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pro vyhledávání: '"Heat bath"'
We numerically investigate the effect of coupling a two-dimensional many-body localized system to a finite heat bath, using shallow quantum circuits as a variational ansatz. Specifically, we simulate optical lattice experiments with two components of
Externí odkaz:
http://arxiv.org/abs/2410.14652
Autor:
Pekola, Jukka P.1 (AUTHOR) bayan.karimi@aalto.fi, Karimi, Bayan1,2 (AUTHOR)
Publikováno v:
Entropy. May2024, Vol. 26 Issue 5, p429. 8p.
Dynamics of the sub-Ohmic spin-boson model under polarized initial conditions at finite temperature is investigated by employing both analytical tools and the numerically accurate hierarchical equations of motion-tensor train method. By analyzing the
Externí odkaz:
http://arxiv.org/abs/2402.02138
Publikováno v:
Entropy 2023, 25(12), 1615
Using a single-site mean-field approximation (MFA) and Monte Carlo simulations, we examine Ising-like models on directed regular random graphs. The models are directed-network implementations of the Ising model, Ising model with absorbing states, and
Externí odkaz:
http://arxiv.org/abs/2312.02398
Autor:
Pekola, Jukka P., Karimi, Bayan
Publikováno v:
Entropy 46, 429 (2024)
We discuss the concept and realization of a heat bath in solid state quantum systems. First we demonstrate that, unlike a true resistor, a finite one-dimensional Josephson junction array or analogously a transmission line with non-vanishing frequency
Externí odkaz:
http://arxiv.org/abs/2310.01246
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Autor:
Mandal, Koushik, Bhattacharjee, Suraka
In this paper, the moderately long-time behaviours of the correlation functions for two charged coupled harmonic oscillators connected to a common heat bath are analyzed in the presence of a magnetic field via the Quantum Langevin dynamics. Interesti
Externí odkaz:
http://arxiv.org/abs/2308.12668
Autor:
Tran, Henry K., Berkelbach, Timothy C.
Vibrational heat-bath configuration interaction (VHCI) -- a selected configuration interaction technique for vibrational structure theory -- has recently been developed in two independent works [J. Chem. Phys. 154, 074104 (2021); Mol. Phys. 119, e193
Externí odkaz:
http://arxiv.org/abs/2307.13246
Autor:
Takata, Shigeru
The thermal relaxation of a dense gas described by the modified Enskog equation is studied for a closed system in contact with a heat bath. As in the case of the Boltzmann equation, the Helmholtz free energy $\mathcal{F}$ that decreases monotonically
Externí odkaz:
http://arxiv.org/abs/2305.11401
Publikováno v:
Physical Review APPLIED 21, 024017 (2024)
In this work, we experimentally demonstrate the implementation of a recently proposed robust and state-independent heat-bath algorithmic cooling (HBAC) method [1] on an NMR quantum processor. While HBAC methods improve the purity of a quantum system
Externí odkaz:
http://arxiv.org/abs/2303.09087