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pro vyhledávání: '"Pereira, Emmanuel"'
In this article, to study the heat flow behavior, we perform analytical investigations in a rotor chain type model (involving inner stochastic noises) with next and next-nearest-neighbor interactions. It is known in the literature that the chain roto
Externí odkaz:
http://arxiv.org/abs/2309.03328
In order to reveal mechanisms to control and manipulate spin currents, we perform a detailed investigation of the dephasing effects in the open XX model with a Lindblad dynamics involving global dissipators and thermal baths. Specifically, we conside
Externí odkaz:
http://arxiv.org/abs/2207.02693
Publikováno v:
Phys. Rev. E 102, 062146 (2020)
In order to better understand the minimal ingredients for thermal rectification, we perform a detailed investigation of a simple spin chain, namely, the open XX model with a Lindblad dynamics involving global dissipators. We use a Jordan-Wigner trans
Externí odkaz:
http://arxiv.org/abs/2012.04811
Publikováno v:
Phys. Rev. E 103, 032108 (2021)
We address the role of geometrical asymmetry in the occurrence of spin rectification in two-dimensional quantum spin chains subject to two reservoirs at the boundaries, modeled by quantum master equations. We discuss the differences in the rectificat
Externí odkaz:
http://arxiv.org/abs/2012.01368
Publikováno v:
2020 J. Phys. A: Math. Theor. 53 375007
We study transport properties in boundary-driven asymmetric quantum spin chains given by $\mathit{XXZ}$ and $\mathit{XXX}$ Heisenberg models. Our approach exploits symmetry transformations in the Lindblad master equation associated to the dynamics of
Externí odkaz:
http://arxiv.org/abs/2008.09447
We consider the accurate investigation of the energy current and its components, heat and work, in some boundary driven quantum spin systems. The expressions for the currents, as well as the associated Lindblad master equation, are obtained via a rep
Externí odkaz:
http://arxiv.org/abs/2005.11755
Publikováno v:
EPL (EUROPHYSICS LETTERS), v. 129, p. 10001, 2020
Focusing on the description of nontrivial properties of the energy transport at quantum scale, we investigate asymmetrical quantum spin chains described by boundary-driven $\mathit{XXZ}$ and $\mathit{XXX}$ Heisenberg models. We search for symmetries
Externí odkaz:
http://arxiv.org/abs/2002.01463
Akademický článek
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Akademický článek
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Autor:
Farias, Verlânia Fabíola de Sousa, da Silva, Toshik Iarley, Cruz, Renata Ranielly Pedroza, Sales, Giuliana Nayara Barros, da Costa, Franciscleudo Bezerra, Pereira, Emmanuel Moreira, da Silva, Maria José Silveira, da Rocha, Thayse Cavalcante, de Souza, Pahlevi Augusto, Ribeiro, Wellington Souto
Publikováno v:
In Scientia Horticulturae 1 September 2023 319
