Bibliographies thématiques / Entanglement monogamy

Littérature scientifique sur le sujet « Entanglement monogamy »

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Publié le 14 mars 2023

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Articles de revues sur le sujet "Entanglement monogamy"

Seevinck, M. P. « Monogamy of correlations versus monogamy of entanglement ». Quantum Information Processing 9, n^o 2 (16 janvier 2010) : 273–94. http://dx.doi.org/10.1007/s11128-009-0161-6.

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CHEN, LIN, et MASAHITO HAYASHI. « NONDISTILLABLE ENTANGLEMENT GUARANTEES DISTILLABLE ENTANGLEMENT ». International Journal of Modern Physics B 26, n^o 27n28 (18 septembre 2012) : 1243008. http://dx.doi.org/10.1142/s0217979212430084.

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The monogamy of entanglement is one of the basic quantum mechanical features, which says that when two partners Alice and Bob are more entangled then either of them has to be less entangled with the third party. Here we qualitatively present the converse monogamy of entanglement: given a tripartite pure system and when Alice and Bob are entangled and nondistillable, then either of them is distillable with the third party. Our result leads to the classification of tripartite pure states based on bipartite reduced density operators, which is a novel and effective way to this long-standing problem compared to the means by stochastic local operations and classical communications. Furthermore we systematically indicate the structure of the classified states and generate them. We also extend our results to multipartite states.

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Zhang, Meiming, et Naihuan Jing. « Tighter monogamy relations of entanglement measures based on fidelity ». Laser Physics Letters 19, n^o 8 (11 juillet 2022) : 085205. http://dx.doi.org/10.1088/1612-202x/ac772e.

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Abstract We study the Bures measure of entanglement and the geometric measure of entanglement as special cases of entanglement measures based on fidelity, and find their tighter monogamy inequalities over tri-qubit systems as well as multi-qubit systems. Furthermore, we derive the monogamy inequality of concurrence for qudit quantum systems by projecting higher-dimensional states to qubit substates.

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Gour, Gilad, et Yu Guo. « Monogamy of entanglement without inequalities ». Quantum 2 (13 août 2018) : 81. http://dx.doi.org/10.22331/q-2018-08-13-81.

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We provide a fine-grained definition for monogamous measure of entanglement that does not invoke any particular monogamy relation. Our definition is given in terms an equality, as oppose to inequality, that we call the "disentangling condition". We relate our definition to the more traditional one, by showing that it generates standard monogamy relations. We then show that all quantum Markov states satisfy the disentangling condition for any entanglement monotone. In addition, we demonstrate that entanglement monotones that are given in terms of a convex roof extension are monogamous if they are monogamous on pure states, and show that for any quantum state that satisfies the disentangling condition, its entanglement of formation equals the entanglement of assistance. We characterize all bipartite mixed states with this property, and use it to show that the G-concurrence is monogamous. In the case of two qubits, we show that the equality between entanglement of formation and assistance holds if and only if the state is a rank 2 bipartite state that can be expressed as the marginal of a pure 3-qubit state in the W class.

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Tao, Yuan-Hong, Kai Zheng, Zhi-Xiang Jin et Shao-Ming Fei. « Tighter Monogamy Relations for Concurrence and Negativity in Multiqubit Systems ». Mathematics 11, n^o 5 (26 février 2023) : 1159. http://dx.doi.org/10.3390/math11051159.

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The entanglement in multipartite quantum system is hard to characterize and quantify, although it has been intensively studied in bipartite systems. The monogamy of entanglement, as a special property of multipartite systems, shows the distribution of entanglement in the system. In this paper, we investigate the monogamy relations for multi-qubit systems. By using two entangled measures, namely the concurrence C and the negativity Nc, we establish tighter monogamy inequalities for their α-th power than those in all the existing ones. We also illustrate the tightness of our results for some classes of quantum states.

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Gao, Li-Min, Feng-Li Yan et Ting Gao. « Monogamy of nonconvex entanglement measures ». Results in Physics 31 (décembre 2021) : 104983. http://dx.doi.org/10.1016/j.rinp.2021.104983.

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Gour, Gilad, Somshubhro Bandyopadhyay et Barry C. Sanders. « Dual monogamy inequality for entanglement ». Journal of Mathematical Physics 48, n^o 1 (janvier 2007) : 012108. http://dx.doi.org/10.1063/1.2435088.

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WEI, TZU-CHIEH. « MONOGAMY OF ENTANGLEMENT, N-REPRESENTABILITY PROBLEMS AND GROUND STATES ». International Journal of Modern Physics B 26, n^o 27n28 (18 septembre 2012) : 1243014. http://dx.doi.org/10.1142/s021797921243014x.

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Monogamy of entanglement is a quantum mechanical property that limits quantum correlations shared among many parties. In an example strongly interacting spin system we examine approaches for approximating the ground state energy both from above and below by mean-field and N-representability methods, respectively. Due to strong competition among the terms in the Hamiltonian, the resulting ground-state wavefunction, although is entangled, does not possess entanglement that is proportional to the system size, thus obeying the monogamy of entanglement.

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Liu, Feng. « Monogamy Relations for Squared Entanglement Negativity ». Communications in Theoretical Physics 66, n^o 4 (1 octobre 2016) : 407–10. http://dx.doi.org/10.1088/0253-6102/66/4/407.

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Kim, Jeong San, et Barry C. Sanders. « Unified entropy, entanglement measures and monogamy of multi-party entanglement ». Journal of Physics A : Mathematical and Theoretical 44, n^o 29 (20 juin 2011) : 295303. http://dx.doi.org/10.1088/1751-8113/44/29/295303.

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Livres sur le sujet "Entanglement monogamy"

Sanchez, Melissa E. Queer Faith. NYU Press, 2019. http://dx.doi.org/10.18574/nyu/9781479871872.001.0001.

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It is a common observation that dominant US secular culture retains the stamp of seventeenth-century Protestantism. Nowhere is this more apparent than in the veneration of monogamous coupledom, an ideal that has been entrenched rather than challenged by the recent extension of marriage rights to LGBTQ couples. But what if this narrative of “history and tradition” turns out to suppress the queerness of its own foundational texts? Queer Faith reassesses key texts of the prehistory of monogamy—from Paul to Luther, Petrarch to Shakespeare—to show that writing assumed to promote fidelity in fact articulates the affordances of promiscuity, both in its sexual sense and in its larger designation of all that is impure and disorderly. At the same time, this book resists casting promiscuity as the ethical, queer alternative to monogamy, tracing instead how ideals of sexual liberation are themselves attached to nascent racial and economic hierarchies. Because discourses of erotic fidelity and freedom are also discourses on racial and sexual positionality, excavating the long and complex historical entanglement of concepts of faith, race, and secular love is urgent to contemporary debates about normativity, agency, and subjectivity. Queer Faith puts Christian theology and Renaissance lyric poetry in dialogue with contemporary theory and politics. Deliberately unfaithful to disciplinary norms and national boundaries, this book assembles new conceptual frameworks at the juncture of secular and religious thought, political and aesthetic form. It thereby enlarges the contexts, objects, and authorized genealogies of queer theory and scholarship.

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Chapitres de livres sur le sujet "Entanglement monogamy"

Kim, Jeong San, et Barry C. Sanders. « Monogamy of Multi-qubit Entanglement in Terms of Rényi and Tsallis Entropies ». Dans Theory of Quantum Computation, Communication, and Cryptography, 159–67. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18073-6_13.

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WEI, TZU-CHIEH. « MONOGAMY OF ENTANGLEMENT, N-REPRESENTABILITY PROBLEMS AND GROUND STATES ». Dans The Korepin Festschrift : From Statistical Mechanics to Quantum Information Science, 203–9. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814460323_0014.

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« The Monogamy Hormone ». Dans Entanglements. The MIT Press, 2020. http://dx.doi.org/10.7551/mitpress/11809.003.0012.

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