Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Brenes, Marlon"'
We numerically investigate the robustness against various perturbations of measurement-induced phase transition in monitored quantum Ising models in the no-click limit, where the dynamics is described by a non-Hermitian Hamiltonian. We study perturba
Externí odkaz:
http://arxiv.org/abs/2407.08703
Publikováno v:
J. Chem. Phys. 160, 244106 (2024)
Understanding the dynamics of dissipative quantum systems, particularly beyond the weak coupling approximation, is central to various quantum applications. While numerically exact methods provide accurate solutions, they often lack the analytical ins
Externí odkaz:
http://arxiv.org/abs/2403.03386
Publikováno v:
Phys. Rev. Lett. 132, 266701 (2024)
Dissipative processes can drive different magnetic orders in quantum spin chains. Using a non-perturbative analytic mapping framework, we systematically show how to structure different magnetic orders in spin systems by controlling the locality of th
Externí odkaz:
http://arxiv.org/abs/2401.06227
Autor:
Lacerda, Artur M., Kewming, Michael J., Brenes, Marlon, Jackson, Conor, Clark, Stephen R., Mitchison, Mark T., Goold, John
Publikováno v:
Phys. Rev. E 110, 014125 (2024)
Understanding the entropy production of systems strongly coupled to thermal baths is a core problem of both quantum thermodynamics and mesoscopic physics. While there exist many techniques to accurately study entropy production in such systems, they
Externí odkaz:
http://arxiv.org/abs/2312.12513
Publikováno v:
Phys. Rev. B 108, 115437 (2023)
We extend and benchmark the recently-developed Effective-Hamiltonian (EFFH) method [PRX Quantum $\bf{4}$, 020307 (2023)] as an approximation to the equilibrium state ("mean-force Gibbs state") of a quantum system at strong coupling to a thermal bath.
Externí odkaz:
http://arxiv.org/abs/2307.14330
Autor:
Brenes, Marlon, Segal, Dvira
Publikováno v:
Phys. Rev. A 108, 032220 (2023)
We study the sensitivity of thermometric probes that are composed of $N$ spins coupled to a sample prepared at temperature $T$. Our analysis extends beyond the weak-coupling limit into the strong sample-probe coupling regime. In particular, sample-in
Externí odkaz:
http://arxiv.org/abs/2307.04232
Autor:
Brenes, Marlon, Guarnieri, Giacomo, Purkayastha, Archak, Eisert, Jens, Segal, Dvira, Landi, Gabriel
Publikováno v:
Phys. Rev. B 108, L081119 (2023)
We propose a highly-scalable method to compute the statistics of charge transfer in driven conductors. The framework can be applied in situations of non-zero temperature, strong coupling to terminals and in the presence of non-periodic light-matter i
Externí odkaz:
http://arxiv.org/abs/2211.13832
Autor:
Brenes, Marlon
Technological and scientific advances have given rise to an era in which coherent quantum-mechanical phenomena can be probed and experimentally-realised over unprecedented timescales in condensed matter physics. In turn, scientific interest in non-eq
Externí odkaz:
http://arxiv.org/abs/2112.11493
Publikováno v:
Phys. Rev. A 105, L030201 (2022)
Temperature is a deceptively simple concept that still raises deep questions at the forefront of quantum physics research. The observation of thermalisation in completely isolated quantum systems, such as cold-atom quantum simulators, implies that a
Externí odkaz:
http://arxiv.org/abs/2103.16601
Publikováno v:
Phys. Rev. E 104, 034120 (2021)
Out-of-time-order correlators (OTOCs) have become established as a tool to characterise quantum information dynamics and thermalisation in interacting quantum many-body systems. It was recently argued that the expected exponential growth of the OTOC
Externí odkaz:
http://arxiv.org/abs/2103.01161