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Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Gauge group SU(N)"

1

LEE, JULIAN, and SANG-JIN SIN. "DUALITY IN SU(N) × SU(N′) PRODUCT GROUP FROM M THEORY." Modern Physics Letters A 14, no. 07 (March 7, 1999): 527–38. http://dx.doi.org/10.1142/s0217732399000584.

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Анотація:
We generalize the M-theoretic duality of Schmaltz and Sundrum to the product group SU (N) × SU (N′) case. We show that the type IIA brane configurations for dual gauge theories are in fact two special limits of the same M-theory five-brane, just as in the case of the simple SU (N) group.
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2

Koorambas, E. "Vector Gauge Boson Dark Matter for the SU(N) Gauge Group Model." International Journal of Theoretical Physics 52, no. 12 (August 23, 2013): 4374–88. http://dx.doi.org/10.1007/s10773-013-1756-3.

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3

Hamanaka, Hiroaki, and Akira Kono. "Unstable K1-group and homotopy type of certain gauge groups." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 136, no. 1 (February 2006): 149–55. http://dx.doi.org/10.1017/s0308210500004480.

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We denote the group of homotopy set [X, U(n)] by the unstable K1-group of X. In this paper, using the unstable K1-group of the multi-suspended CP2, we give a necessary condition for two principal SU(n)-bundles over §4 to have the associated gauge group of the same homotopy type, which is an improvement of the result of Sutherland and, particularly, show the complete classification of homotopy types of SU(3)-gauge groups over S4.
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4

Labastida, J. M. F., and Carlos Lozano. "The Vafa–Witten theory for gauge group $SU(N)$." Advances in Theoretical and Mathematical Physics 3, no. 5 (1999): 1201–25. http://dx.doi.org/10.4310/atmp.1999.v3.n5.a1.

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5

KETOV, SERGEI V., and SHIN SASAKI. "SU(2)×U(1) NONANTICOMMUTATIVE N = 2 SUPERSYMMETRIC GAUGE THEORY." International Journal of Modern Physics A 20, no. 17 (July 10, 2005): 4021–34. http://dx.doi.org/10.1142/s0217751x05020963.

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We derive the master function governing the component action of the four-dimensional nonanticommutative (NAC) and fully N = 2 supersymmetric gauge field theory with a nonsimple gauge group U (2) = SU (2) × U (1). The new NAC master function is a nontrivial generalization of the known master functions in the NAC, N = 2 supersymmetric gauge theories with the U(1) and SU(2) gauge groups. We use a Lorentz-singlet NAC-deformation parameter and an N = 2 supersymmetric star (Moyal) product, which do not break any of the fundamental symmetries of the undeformed N = 2 gauge theory. The scalar potential in the NAC-deformed theory is calculated. We also propose the non-Abelian BPS-type equations in the case of the NAC-deformed N = 2 gauge theory with the SU(2) gauge group, and comment on the SU(3) case too. The NAC-deformed field theories can be thought of as the effective (nonperturbative) N = 2 gauge field theories in a certain (scalar only) N = 2 supergravity background.
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6

Sakai, Tadakatsu. "Duality in Supersymmetric SU(N) Gauge Theory with a Symmetric Tensor." Modern Physics Letters A 12, no. 14 (May 10, 1997): 1025–34. http://dx.doi.org/10.1142/s0217732397001047.

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Duality in supersymmetric SU(N) gauge theory with a symmetric tensor is studied using the technique of deconfining and Seiberg's duality. By construction, the gauge group of the dual theory necessarily becomes a product group. In order to check the duality, several nontrivial consistency conditions are examined. In particular we find that by deforming along a flat direction, the duality flows to the Seiberg's duality of SO(N) gauge theory.
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7

SUN, WEI-MIN, and FAN WANG. "A NOTE ON THE AVERAGING TECHNIQUE IN SU(N) GAUGE THEORY." Modern Physics Letters A 17, no. 19 (June 21, 2002): 1277–80. http://dx.doi.org/10.1142/s0217732302007405.

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Анотація:
In this paper we apply the averaging technique (using a right-invariant local gauge group measure) to local polynomials of the SU (N) gauge potential [Formula: see text] and show that the results are divergent and ill-defined.
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8

Tanimura, N., W. Scheid, and O. Tanimura. "SU (N) lattice-gauge theory in the Migdal renormalization group model." Physics Letters B 264, no. 3-4 (August 1991): 401–6. http://dx.doi.org/10.1016/0370-2693(91)90368-z.

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9

Doria, Renato. "Non-abelian whole gauge symmetry." JOURNAL OF ADVANCES IN PHYSICS 10, no. 3 (October 6, 2015): 2834–70. http://dx.doi.org/10.24297/jap.v10i3.1323.

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Анотація:
The wholeness principle is analysed for non-abelian gauge symmetry. This principle states that nature acts through grouping. It says that physical laws should be derived from elds associations. At this work, we consider on the possibility of introducting a non-abelian elds set fAaIg under a common gauge parameter.A Yang-Mills extension is studied. Taking the SU(N) symmetry group with different potential elds rotating under a same group, new elds strengths are developed. They express covariant entities which are granular, collective, correlated, and not necessarily Lie algebra valued. They yield new scalars and a Lagrangian beyond Yang-Mills is obtained. Classical equations are derived and (2N + 7) equations are developed. A further step is on how such non-abelian whole symmetry is implemented at SU(N) gauge group. For this, it is studied on the algebra closure and Jacobi identities, Bianchi identities, Noether theorem, gauge xing, BRST symmetry, conservation laws, covariance, charges algebra. As result, one notices that it is installed at SU(N) symmetry independentlyon the number of involved elds. Given this consistency, Yang-Mills should not more be considered as the unique Lagrangian performed from SU(N).Introducting the BRST symmetry an invariant Leff is stablished. The BRST charge associated to the N-potential elds system is calculated and its nilpotency property obtained.Others conservations laws involving ghost scale, global charges are evalued showing that this whole symmetry extension preserve the original Yang-Mills algebra. Also the ghost number is conserved. These results imply that Yang-Mills should be understood as a pattern and not as a specic Lagrangian.Concluding, an extended Lagrangian can be constructed. It is possible to implement a non-abelian whole gauge symmetry based on a elds set fAaIg. Its physical feature is a systemic interpretation for the physical processes. Understand complexity from whole gauge symmetry.
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10

JUNGMAN, GERARD. "FURTHER TOPOLOGICAL PROOFS OF GRIBOV AMBIGUITIES." Modern Physics Letters A 07, no. 10 (March 28, 1992): 849–53. http://dx.doi.org/10.1142/s0217732392003487.

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We show the existence of Gribov ambiguity for gauge group SU (N) and large classes of space-time manifolds with dimension less than or equal to four, working in the continuous category, extending previous results of Singer. In lower dimensions, and in four dimensions with gauge group SU (N), N≥3, we require only that the manifold be compact and orientable. In four dimensions with gauge group SU (2) there is a slight complification due to the fact that π4( SU (2)) does not vanish, though we are still able to state a useful result for that case. Some discussion of motivation is presented, in particular as regards to recent gauge-fixing proposals which arise in work that attempts to relate the Gribov ambiguity to confinement.
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Дисертації з теми "Gauge group SU(N)"

1

Vairinhos, Hélvio. "Large-N reduced models of SU(N) lattice guage theories." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670101.

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2

Bursa, Francis. "Phase transitions in SU(N) lattice gauge theory." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437179.

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3

Pomeroy, Neil B. "Multi-instantons and supersymmetric SU(N) gauge theories." Thesis, Durham University, 2002. http://etheses.dur.ac.uk/3757/.

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In this thesis the proposed exact results for low energy effective N = 2 supersymmetric SU(N) Yang-Mills gauge theory coupled to Nf fundamental matter multiplets in four dimensions are considered. The proposed exact results are based upon the work of Seiberg and Witten for low energy effective four dimensional M = 2 supersymmetric SU[2) Yang-Mills gauge theory coupled to Nf fundamental matter multiplets. The testing and matching of the proposed exact results via supersymmetric instanton calculus are the motivation for two studies. Firstly, we study the ADHM construction of instantons for gauge groups U(N) and SU(2) and for topological charge two and three. The ADHM constraints which implicitly specify instanton gauge field configurations are solved for the explicit exact general form of instantons with topological charge two and gauge group U[N). This is the first explicit and general multi-instanton configuration for the unitary gauge groups. The U[N) ADHM two-instanton configuration may be used in further tests and matching of the proposed exact results in low energy effective M =2 supersymmetric SU(iV) Yang-Mills gauge theories by comparison with direct instanton calculations. Secondly, a one-instanton level test is performed for the reparameterization scheme proposed by Argyres and Pelland matching the conjectured exact low energy results and instanton predictions for the instanton contributions to the prepotential of low energy effective M = 2 supersymmetric SU [N) Yang-Mills gauge theory with Nf = 2N mass-less fundamental matter multiplets. The constants within the reparameterization scheme which ensure agreement between the exact results and the instanton predictions for general N > 1 are derived for the entire quantum moduli space. This constitutes a non-trivial test of the proposed reparameterization scheme, which eliminates the discrepancies arising when the two sets of results are compared.
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4

Slater, Matthew J. "Instanton effects in supersymmetric SU(N) gauge theories." Thesis, Durham University, 1998. http://etheses.dur.ac.uk/4812/.

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We investigate nonperturbative effects due to instantons in N = 2 supersymmetric SU(N) Yang-Mills models, with the aim of testing the exact results predicted for these models. In two separate semiclassical calculations we obtain the one-instanton contribution to the Higgs condensate u(_3) = (TrA(^3)) and to the prepotential F. Comparing our results with the exact predictions, we find complete agreement except when the number of flavours of fundamental matter hypermultiplets, N(_f), takes certain values. The source of the u(_3) discrepancy is an ambiguity in the parameterization of the hyperelliptic curves from which the exact predictions are derived when N(_f) ≥ N. This ambiguity can easily be fixed using the results of instanton calculations. The discrepancy associated with T appears in the finite N(_f) = 2N models. For these models we are unable to modify the curves to agree with the instanton calculations when N > 3. Our one-instanton calculation of the prepotential is facilitated by a multi-instanton calculus which we construct, starting from the general solution of Atiyah, Drinfeld, Hitchin and Manin. Our calculus comprises: (i) the super-multi-instanton background, (ii) the su persymmetric multi-instanton action and (iii) the supersymmetric semiclassical collective coordinate measure. Our calculus has application to supersymmetric Yang-Mills theory with gauge group U(N) or SU(_N). We employ our instanton calculus to derive results at arbitrary k-instanton levels. In N =2 supersymmetric SU(N) Yang-Mills theory, we derive a closed form expression for the A;-instanton contribution to the prepotential. This amounts to a solution, in quadratures, of the low-energy physics of the theory, obtained from first principles. In supersymmetric SU(2) Yang-Mills theory, we use our calculus to investigate multi-instanton contributions to higher-derivative terms in the Wilsonian effective action. Using a scaling argument, based on general properties of the SU(2) k-instanton action and measure, we show that in the finite, massless N = 2 and N = 4 models, all k-instanton contributions to the next-to- leading higher-derivative terms vanish. This confirms a nonperturbative nonrenormalization theorem due to Dine and Seiberg.
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5

Pickup, Thomas. "Investigating the conformal window of SU(N) gauge theories." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:79a22d60-86b2-4e53-abd6-50edbc979e42.

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In this thesis we are concerned with the existence of infrared fixed points and the conformal window for gauge theories with fermions. We are particularly interested in those theories that are candidates for walking technicolor. We discuss the background of technicolor and the techniques relevant to a theoretical understanding of the conformal window. Following this we extend the ideas of metric confinement and causal analyticity to theories with fermions in non-fundamental representations. We use these techniques to, respectively, provide a lower bound on the lower end of the conformal window and to provide a measure of perturbativity. As well as analytic calculations we use lattice techniques to investigate two particular candidate theories for walking technicolor - SU(2) with two adjoint fermions and with six fundamental fermions. We use Schrodinger Functional techniques to investigate the running of the theory across a wide range of scales. We measure both the running of the coupling and an estimator for the fermion mass anomalous dimension, $gamma$. We find that both theories are consistent with an infrared fixed-point. However, paying particular attention to our error estimates, we are unable to absolutely confirm their existence. This is a not unexpected result for SU(2) with two adjoint fermions but is rather surprising for SU(2) with only six fundamental fermions. In the region where we are consistent with a fixed point we find $0.05
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6

García, Vera Miguel Francisco. "Investigating the large N limit of SU(N) Yang-Mills gauge theories on the lattice." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18123.

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In dieser Arbeit praesentieren wir Resultate der topologischen Suszeptibilitaet “chi” und untersuchen die Faktorisierung der reinen SU(N) Yang-Mills Eichtheorie im 't Hooft'schen Grenzwert grosser N. Ein entscheidender Teil der Berechnung von chi in der Gittereichtheorie ist die Abschaetzung des topologischen Ladungsdichtekorrelators, die durch ein schlechtes Signal-Rausch- Verhaeltnis beeintraechtigt ist. Um dieses Problem abzuschwaechen, fuehren wir einen neuen, auf einem mehrstufigen Vorgehen beruhenden Algorithmus ein, um die Korrelationsfunktion von Observablen zu berechnen, die mit dem Yang-Mills Gradientenfluss geglaettet wurden. Angewandt auf unsere Observablen, erhalten wir Ergebnisse, deren Fehlerskalierung besser ist, als die von herkoemmlichen Monte-Carlo Simulationen. Wir bestimmen die topologische Suszeptibilitaet in der reinen Yang-Mills Eichtheorie fuer Eichgruppen mit N = 4,5,6 und drei verschiedenen Gitterabstaenden. Um das Einfrieren der Topologie zu umgehen, wenden wir offene Randbedingungen an. Zusaetzlich wenden wir die korrekte Definition der topologischen Ladungsdichte durch den Gradientenfluss an. Unser Endresultat im des Grenzfalls von grossen N repraesentiert eine neue Qualitaet in der Verifikation der Witten-Veneziano Formel. Schliesslich benutzen wir die Gitterformulierung, um die Erwartungswertfaktorisierung des Produkts eichinvarianter Operatoren im Grenzwert grosser N zu verifizieren. Wir arbeiten mit durch den Yang-Mills Grandientenfluss geglaetteten Wilsonschleifen und Simulationen bis zur Eichgruppe SU(8). Die Extrapolationen zu grossen N sind in Ueberstimmung mit der Faktorisierung sowohl fuer endlichen Gitterabstand als auch in Kontinnumslimes. Unsere Daten erlauben uns nicht nur die Verifizierung der Faktorisierung, sondern auch einen hochpraezisen Test des 1/N Skalierungsverhaltens. Hier konnten wir das quadratische Skalierungsverhalten in 1/N finden, welches von 't Hooft vorhergesagt wurde.
In this thesis we present results for the topological susceptibility “chi”, and investigate the property of factorization in the 't Hooft large N limit of SU(N) pure Yang-Mills gauge theory. A key component in the lattice gauge theory computation of chi is the estimation of the topological charge density correlator, which is affected by a severe signal to noise problem. To alleviate this problem, we introduce a novel algorithm that uses a multilevel type approach to compute the correlation function of observables smoothed with the Yang-Mills gradient flow. When applied to our observables, the results show an scaling of the error which is better than the one of standard Monte-Carlo simulations. We compute the topological susceptibility in the pure Yang-Mills gauge theory for the gauge groups with N = 4, 5, 6 and three different lattice spacings. In order to deal with the freezing of topology, we use open boundary conditions. In addition, we employ the theoretically sound definition of the topological charge density through the gradient flow. Our final result in the limit N to infinity, represents a new quality in the verification of the Witten-Veneziano formula. Lastly, we use the lattice formulation to verify the factorization of the expectation value of the product of gauge invariant operators in the large N limit. We work with Wilson loops smoothed with the Yang-Mills gradient flow and simulations up to the gauge group SU(8). The large N extrapolations at finite lattice spacing and in the continuum are compatible with factorization. Our data allow us not only to verify factorization, but also to test the 1/N scaling up to very high precision, where we find it to agree very well with a quadratic series in 1/N as predicted originally by 't Hooft for the case of the pure Yang-Mills gauge theory.
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7

Tighe, John Francis. "Derivative expansions of the exact renormalisation group and SU(NN) gauge theory." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368120.

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8

COCCIA, LORENZO. "On the planar limit of 3d T_rho^sigma[SU(N)] theories." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/364338.

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In questa tesi discutiamo un limite di particolari teorie di gauge 3d, le teorie T^sigma_rho[SU(N)], che ammetono una descrizione in termini di da quiver. Nel limite considerato, il numero di nodi è grande e i ranghi scalano quadraticamente con la lunghezza del quiver. Le energie libere sulla sfera e il topologically twisted index sono ottenuti usando la procedura della localizzazione supersimmetrica. Entrambi scalano quarticamente con la lunghezza del quiver e quadraticamente con N, con funzioni trilogaritmiche dipendenti dai dati del quiver come coefficienti. Le teorie precedentemente discusse con scaling N^2 \ln N sorgono come casi limite. Le SCFTs IR hanno duali di supergravità ben definiti in Tipo IIB: le energie libere corrispondono esattamente ai risultati olografici e gli indici, nel caso di un twist universale, riproducono correttamente l'entropia di un buco nero universale che può essere immerso nelle soluzioni olograficamente duali. Ogni teoria 3d descritta da un quiver bilanciato è legata ad una 5d, il cui modello matriciale è dominato dallo stesso punto di sella. Ciò conduce a strette relazioni tra osservabili BPS. In particolare, calcoliamo il valore di aspettazione dei Wilson loop in rappresentazioni antisimmetriche, trovando un perfetto accordo con il lato di gravità in un particolare esempio.
In this thesis we discuss a limit of 3d T^sigma _rho[SU(N)] quiver gauge theories in which the number of nodes is large and the ranks scale quadratically with the length of the quiver. The sphere free energies and topologically twisted indices are obtained using supersymmetric localization. Both scale quartically with the length of the quiver and quadratically with $N$, with trilogarithm functions depending on the quiver data as coefficients. Previously discussed theories with $N^2 \ln N$ scaling arise as limiting cases. The IR SCFTs have well-behaved supergravity duals in Type IIB: the free energies match precisely with holographic results and the indices, in case of a universal twist, correctly reproduce the entropy of an universal black hole which can be embedded in the holographically dual solutions. Each balanced 3d quiver theory is linked to a 5d parent, whose matrix model is related and dominated by the same saddle point, leading to close relations between BPS observables. In particular, we compute the expectation value of Wilson loops in antisymmetric representations, finding perfect agreement with the gravity side in a particular example.
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9

Liebgott, Paulo Juliano. "Monopolos magnéticos Z2 em teorias de Yang-Mills-Higgs com simetria de gauge SU(n)." Florianópolis, SC, 2009. http://repositorio.ufsc.br/xmlui/handle/123456789/93224.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-graduação em Física
Made available in DSpace on 2012-10-24T18:37:40Z (GMT). No. of bitstreams: 1 263132.pdf: 526017 bytes, checksum: 5840fcf1dc0e49a55cf108092da716f2 (MD5)
Monopolos magnéticos têm sido objetos de grande interesse nos últimos anos, principalmente por serem previstos em algumas teorias de grande unificação e por, possivelmente, serem relevantes no fenômeno do confinamento em QCD. Consideramos uma teoria de Yang-Mills-Higgs com simetria de gauge SU(n) quebrada espontaneamente em SO(n) que apresenta condições topológicas necessárias para a existência de monopolos Z2. Construímos as formas assintóticas desses monopolos, considerando duas quebras distintas do SU(n) em SO(n), e verificamos que os monopolos fundamentais estão associados aos pesos da representação definidora da álgebra so(n)v.
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10

Sommer, Rainer [Gutachter], Ulrich [Gutachter] Wolff, and Biagio [Gutachter] Lucini. "Investigating the large N limit of SU(N) Yang-Mills gauge theories on the lattice / Gutachter: Rainer Sommer, Ulrich Wolff, Biagio Lucini." Berlin : Humboldt-Universität zu Berlin, 2017. http://d-nb.info/1189328984/34.

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Книги з теми "Gauge group SU(N)"

1

Boudreau, Joseph F., and Eric S. Swanson. Quantum field theory. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198708636.003.0024.

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Markov chain Monte Carlo techniques are developed to compute properties of a variety of quantum field theories. The method is introduced with a simple scalar field theory and used to evaluate the particle spectrum and phase diagram for parity symmetry breaking. The technique of micorcanonical updating is introduced to increase efficiency. The important topic of gauge theory is then introduced via the gauged Z2 model. Development of the gauge theory formalism continues with Abelian gauge theory in two dimensions. The interaction between static charges is computed and compared to the exact result. The string tension in nonableian SU(2) gauge theory is explored with the aid of the renormalization group, which gives an entrée to a discussion of the Higgs mechanism. Finally, the formalism for including fermions is briefly reviewed.
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2

Mercati, Flavio. Best Matching: Technical Details. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789475.003.0005.

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The best matching procedure described in Chapter 4 is equivalent to the introduction of a principal fibre bundle in configuration space. Essentially one introduces a one-dimensional gauge connection on the time axis, which is a representation of the Euclidean group of rotations and translations (or, possibly, the similarity group which includes dilatations). To accommodate temporal relationalism, the variational principle needs to be invariant under reparametrizations. The simplest way to realize this in point–particle mechanics is to use Jacobi’s reformulation of Mapertuis’ principle. The chapter concludes with the relational reformulation of the Newtonian N-body problem (and its scale-invariant variant).
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3

Integrability, Quantization, and Geometry. American Mathematical Society, 2021.

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Частини книг з теми "Gauge group SU(N)"

1

Grabovsky, Andrey. "SU(N) Group." In Introduction to Strong Interactions, 1–38. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003272403-1.

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2

Cline, James M. "Nonperturbative Aspects of SU(N) Gauge Theory." In SpringerBriefs in Physics, 131–44. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56168-0_14.

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3

Zeidler, Eberhard. "The Noncommutative Yang–Mills SU(N)-Gauge Theory." In Quantum Field Theory III: Gauge Theory, 843–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22421-8_16.

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4

de Forcrand, Philippe, and Oliver Jahn. "Monte Carlo Overrelaxation for SU(N) Gauge Theories." In Lecture Notes in Computational Science and Engineering, 67–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-28504-0_6.

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5

Testard, D. "Representations of the group of equivariant loops in SU(N)." In Lecture Notes in Mathematics, 326–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/bfb0077365.

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Struckmeier, Jürgen, Horst Stöcker, and David Vasak. "Covariant Hamiltonian Representation of Noether’s Theorem and Its Application to SU(N) Gauge Theories." In New Horizons in Fundamental Physics, 317–31. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44165-8_24.

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7

Molchanov, V. F. "Maximal Degenerate Series Representations of the Universal Covering of the Group SU(n,n)." In Lie Groups and Lie Algebras, 313–36. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5258-7_20.

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8

Menges, Uta, Jonas Hielscher, Annalina Buckmann, Annette Kluge, M. Angela Sasse, and Imogen Verret. "Why IT Security Needs Therapy." In Computer Security. ESORICS 2021 International Workshops, 335–56. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95484-0_20.

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Анотація:
AbstractOver the past decade, researchers investigating IT security from a socio-technical perspective have identified the importance of trust and collaboration between different stakeholders in an organisation as the basis for successful defence. Yet, when employees do not follow security rules, many security practitioners attribute this to them being “weak” or “careless”; many employees in turn hide current practices or planned development because they see security as “killjoys” who “come and kill our baby”. Negative language and blaming others for problems are indicators of dysfunctional relationships. We collected a small set of statements from security experts’ about employees to gauge how widespread this blaming is. To understand how employees view IT security staff, we performed a prolific survey with 100 employees (n = 92) from the US & UK, asking them about their perceptions of, and emotions towards, IT security staff. Our findings indicate that security relationships are indeed often dysfunctional. Psychology offers frameworks for identifying relationship and communication flows that are dysfunctional, and a range of interventions for transforming them into functional ones. We present common examples of dysfunctionality, show how organisations can apply those interventions to rebuild trust and collaboration, and establish a positive approach to security in organisations that seizes human potential instead of blaming the human element. We propose Transactional Analysis (TA) and the OLaF questionnaire as measurement tools to assess how organisations deal with error, blame and guilt. We continue to consider possible interventions inspired by therapy such as conditions from individual and group therapy which can be implemented, for example, in security dialogues or the use of humour and clowns.
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9

"SU(N) Compact Lie Groups." In Lattice Quantum Field Theory of the Dirac and Gauge Fields, 9–28. WORLD SCIENTIFIC, 2020. http://dx.doi.org/10.1142/9789811209703_0002.

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Novikov, V. A. "Instantons in SU(N) supergluodynamics." In Instantons in Gauge Theories, 366–73. WORLD SCIENTIFIC, 1994. http://dx.doi.org/10.1142/9789812794345_0040.

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Тези доповідей конференцій з теми "Gauge group SU(N)"

1

LUCINI, B., M. TEPER, and U. WENGER. "FEATURES OF SU(N) GAUGE THEORIES." In Proceedings of the International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702845_0039.

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2

Doria, Renato, and Mario Junior de Oliveira Neves. "Feynman rules for an intrinsic gauge model SU(N) x SU(N)." In 5th International School on Field Theory and Gravitation. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.081.0022.

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3

Velytsky, Alexander. "Entanglement entropy in SU(N) gauge theory." In The XXVI International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.066.0256.

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4

Lau, Richard, and Michael Teper. "SO(2N) and SU(N) gauge theories." In 31st International Symposium on Lattice Field Theory LATTICE 2013. Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.187.0187.

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5

Koshelkin, Andrey. "Hadronization in SU(N) Gauge Field Theory." In Sixth International Conference on Quarks and Nuclear Physics. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.157.0124.

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6

Lau, Richard, and Michael Teper. "Deconfining temperatures in SO(N) and SU(N) gauge theories." In The 32nd International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2015. http://dx.doi.org/10.22323/1.214.0228.

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7

Rafibakhsh, Shahnoosh, Mojtaba Eshraghi, and Mohammad Javad Kahnemuii. "Magnetic monopoles and Abelian gauge fixing in SU(4) gauge group." In XITH CONFERENCE ON QUARK CONFINEMENT AND HADRON SPECTRUM. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4938725.

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8

Ogilvie, Michael, and Peter N. Meisinger. "High Temperature Confinement in SU(N) Gauge Theories." In The XXVI International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.066.0202.

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9

Teper, Michael J. "Lattice Field Theory and SU(N) Gauge Theories." In Proceedings of the International School of Subnuclear Physics. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812796653_0001.

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10

Sannino, Francesco. "Chiral phase transition for SU(N) gauge theories." In New directions in quantum chromodynamics. AIP, 1999. http://dx.doi.org/10.1063/1.1301680.

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