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pro vyhledávání: '"Reslen, Jose"'
Autor:
Reslen, Jose
A many-body Fourier transformation with logarithmic scaling in the number of necessary two-site gates is implemented. The protocol is applied to study the Bethe chain as a prototype of a translationally invariant system. The resulting band diagram fe
Externí odkaz:
http://arxiv.org/abs/2410.19597
Autor:
Reslen, Jose
The issue of thermalization in open quantum systems is explored from the perspective of fermion models with quadratic couplings and linear baths. Both the thermodynamic state and the stationary solution of the Lindblad equation are rendered as a matr
Externí odkaz:
http://arxiv.org/abs/2310.09140
Autor:
Reslen, Jose
The tensor network representation of the ground state of a Bethe chain is analytically obtained and studied in relation to its entanglement distribution. Block entanglement displays a maximum at the interplay between single- and many-bodyness. In sys
Externí odkaz:
http://arxiv.org/abs/2209.04287
Autor:
Alvarez, Miguel, Reslen, Jose
The grand canonical thermodynamics of a bosonic system is studied in order to identify the footprint of its own high-density quantum phase transition. The phases displayed by the system at zero temperature establish recognizable patterns at finite te
Externí odkaz:
http://arxiv.org/abs/2106.13298
Autor:
Jimenez, Kevin, Reslen, Jose
Publikováno v:
J. Phys. Commun. 5 045001 (2021)
The bulk conductivity of a two-dimensional system is studied assuming that quantum interference effects break time-reversal symmetry in the presence of strong spin-orbit interaction and strong lattice potential. The study is carried out by direct dia
Externí odkaz:
http://arxiv.org/abs/2009.10001
Autor:
Reslen, Jose
Publikováno v:
Journal of Physics: Condensed Matter 32 (2020) 405601
A decomposition of the non-equilibrium stationary state of a quadratic Fermi system influenced by linear baths is obtained and used to establish a simulation protocol in terms of tensor states. The scheme is then applied to examine the occurrence of
Externí odkaz:
http://arxiv.org/abs/2002.11160
Autor:
Reslen, Jose
Publikováno v:
J. Phys. Commun. 2 105006 (2018)
The interdependence between long range correlations and topological signatures in fermionic arrays is examined. End-to-end correlations, in particular classical correlations, maintain a characteristic pattern in the presence of delocalized excitation
Externí odkaz:
http://arxiv.org/abs/1804.10584
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Autor:
Jimenez, Kevin, Reslen, Jose
Publikováno v:
Physics Letters A 380, 2603 (2016)
The grand canonical formalism is employed to study the thermodynamic structure of a model displaying a quantum phase transition when studied with respect to the canonical formalism. A numerical survey shows that the grand partition function diverges
Externí odkaz:
http://arxiv.org/abs/1602.05988
Autor:
Reslen, Jose
Publikováno v:
J. Phys. A: Math. Theor. 48 (2015) 175301
An approach to the simulation of locally interacting systems is demonstrated and assayed. The proposal is built upon the concept of folding of bosonic modes previously introduced in the context of linear dynamics and can be seen as an alternative to
Externí odkaz:
http://arxiv.org/abs/1408.2251