Добірка наукової літератури з теми "TlCuCl3"

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Статті в журналах з теми "TlCuCl3"

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CAVADINI, N., CH RüEGG, A. FURRER, H. U. GüDEL, K. KRäMER, H. MUTKA, A. WILDES, K. HABICHT, and P. VORDERWISCH. "TRIPLET MODES IN A QUANTUM SPIN LIQUID ACROSS THE CRITICAL FIELD." International Journal of Modern Physics B 16, no. 20n22 (August 30, 2002): 3302–5. http://dx.doi.org/10.1142/s0217979202014243.

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Анотація:
S = 1/2 TlCuCl3 is a magnetic insulator with a singlet ground state and a finite spin gap to triplet excited states. At finite fields, the degeneracy of the triplet states is lifted according to the Zeeman interaction term. Field-induced magnetic ordering occurs in TlCuCl3 at the critical field Hc ~ 6 T , when the Zeeman interaction overcomes the spin gap at the antiferromagnetic zone center. A detailed characterization of the elementary excitations realized at H > Hc is obtained by means of inelastic neutron scattering on single crystals. The general framework of field-induced quantum criticality in a three-dimensional spin liquid is illustrated on the complete dynamic range for the first time.
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Sirker, Jesko, Alexander Weiße, and Oleg P. Sushkov. "The Field-Induced Magnetic Ordering Transition in TlCuCl3." Journal of the Physical Society of Japan 74, Suppl (January 2005): 129–34. http://dx.doi.org/10.1143/jpsjs.74s.129.

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Johannsen, N., A. Oosawa, H. Tanaka, A. Vasiliev, and T. Lorenz. "Uniaxial pressure dependencies of the phase boundary of TlCuCl3." Physica B: Condensed Matter 378-380 (May 2006): 1043–44. http://dx.doi.org/10.1016/j.physb.2006.01.526.

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Kato, T., A. Oosawa, K. Takatsu, H. Tanaka, W. Shiramura, K. Nakajima, and K. Kakurai. "Magnetic excitations in the spin gap system KCuCl3 and TlCuCl3." Journal of Physics and Chemistry of Solids 60, no. 8-9 (September 1999): 1125–28. http://dx.doi.org/10.1016/s0022-3697(99)00072-4.

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Kudo, K., M. Yamazaki, T. Kawamata, T. Noji, Y. Koike, T. Nishizaki, N. Kobayashi, and H. Tanaka. "Thermal conductivity in the Bose–Einstein condensed state of TlCuCl3." Journal of Magnetism and Magnetic Materials 272-276 (May 2004): 214–15. http://dx.doi.org/10.1016/j.jmmm.2003.12.419.

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Takatsu, K., W. Shiramura, H. Tanaka, T. Kambe, H. Nojiri, and M. Motokawa. "ESR of quantum double-spin-chain systems KCuCl3 and TlCuCl3." Journal of Magnetism and Magnetic Materials 177-181 (January 1998): 697–98. http://dx.doi.org/10.1016/s0304-8853(97)00442-3.

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Normand, B., M. Matsumoto, O. Nohadani, S. Wessel, S. Haas, T. M. Rice, and M. Sigrist. "Pressure- and field-induced magnetic quantum phase transitions in TlCuCl3." Journal of Physics: Condensed Matter 16, no. 11 (March 4, 2004): S867—S873. http://dx.doi.org/10.1088/0953-8984/16/11/042.

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TANAKA, H. "Magnetic ordering under high pressure in the quantum spin system TlCuCl3." Physica B: Condensed Matter 329-333 (May 2003): 697–98. http://dx.doi.org/10.1016/s0921-4526(02)02009-4.

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Rüegg, Ch, N. Cavadini, A. Furrer, H. U. Güdel, K. Krämer, H. Mutka, A. Wildes, K. Habicht, and P. Vorderwisch. "Bose–Einstein condensation of the triplet states in the magnetic insulator TlCuCl3." Nature 423, no. 6935 (May 2003): 62–65. http://dx.doi.org/10.1038/nature01617.

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Oosawa, A., H. Tanaka, T. Takamasu, H. Abe, N. Tsujii, and G. Kido. "Field-induced Néel ordering in the spin gap systems TlCuCl3 and KCuCl3." Physica B: Condensed Matter 294-295 (January 2001): 34–38. http://dx.doi.org/10.1016/s0921-4526(00)00602-5.

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Дисертації з теми "TlCuCl3"

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Zabel, Thomas. "Aufbau eines Tieftemperatur-Kalorimeters und kalorische Messungen an TlCuCl3 und Ca2-xSrxRuO4." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=973396288.

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Zabel, Thomas [Verfasser]. "Aufbau eines Tieftemperatur-Kalorimeters und kalorische Messungen an TlCuCl3 und Ca2-xSrxRuO4 / vorgelegt von Thomas Zabel." 2004. http://d-nb.info/973396288/34.

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Gupta, Gaurav Kumar. "Interplay of Interaction and Topology From Topological Band Theory to Topological Field Theory." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4892.

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Анотація:
Classification of phases of matter has long been a central point of interest in the research community in condensed matter physics. Over the past several decades mainly two kinds of classification schemes have emerged, namely, one related to spontaneous symmetry breaking and the other to symmetry invariant topological classification. Although the latter one is fairly new, a lot of progress has been made over the past couple of decades, but still these two classification schemes are generally treated separately. In this thesis, I discuss systems where both the classification schemes need to be invoked due to the interplay of interaction and topology and their effect on each other. In the first piece of work, I present the theory of a new type of topological quantum order which is driven by the spin-orbit density wave order parameter and distinguished by Z2 topological invariant. The resulting quantum order parameters break translational symmetry but preserve time-reversal symmetry. Consequently, the system is inherently associated with a Z2 topological invariant along each density wave propagation direction which makes it a weak topological insulator in two dimensions, with an even number of spin-polarized boundary states. In the second work, I discuss the effect of the parent topological ground state on the local order. In particular, I focus on a well-studied (experimentally) material TlCuCl3 and show that it has unique unexplored topological properties which arise when a time-reversal breaking antiferromagnetic order parameter sets into the system and how they can explain the uncanny properties of this material such as unconventional paramagnon lifetime, finite Higgs mass across the phase transition, among other. In the last work, I discuss our attempt to confirm the presence of bosonic integer and fractional quantum hall effect in an interacting lattice model. The model consists of bosons spread over the honeycomb lattice with the nearest neighbour and next nearest correlated hopping with flux per hexagon. I provide evidence for the presence of integer as well as fractional quantum Hall states and also a superfluid state, for different fillings and tuning parameters. I have used mean-field theory and path integral methods as the theoretical tools to study the above problems. Furthermore, I have also used numerical methods such as Density Functional Theory (DFT, as implemented in VASP) and exact diagonalization (using Lanczos algorithm) where appropriate. As I have shown in the thesis, a large number of interesting results emerge from these studies, leading to a better understanding of the problems and uncovering some interesting underlying physics. Overall, this thesis brings forth some notable and interesting possibilities in understanding the physics of topological state of mater. An idea that stands out is that effect of topological phase onto the symmetry breaking phase and vice-versa. This will have an important impact on the future studies in the related area and to find a unified theory of phase transitions which incorporate both symmetry breaking and topological transition together along with more sophisticated like inclusion of Gaussian fluctuations on the top of the mean-field.
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Тези доповідей конференцій з теми "TlCuCl3"

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Goto, K., T. Ono, H. Tanaka, A. Oosawa, Y. Uwatoko, K. Kakurai, and T. Osakabe. "Pressure-Induced Magnetic Quantum Phase Transition in TlCuCl3 and KCuCl3." In LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. AIP, 2006. http://dx.doi.org/10.1063/1.2355068.

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