Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Schirò, M."'
The Sachdev-Ye-Kitaev (SYK$_{4}$) model has attracted attention for its fast scrambling properties and its thermalization rate that is set only by the temperature. In this work we ask the question of whether the SYK$_{4}$ model is also a good thermal
Externí odkaz:
http://arxiv.org/abs/2204.06434
Autor:
Thomson, S. J., Schiró, M.
Publikováno v:
SciPost Phys. 14, 125 (2023)
Local integrals of motion play a central role in the understanding of many-body localization in many-body quantum systems in one dimension subject to a random external potential, but the question of how these local integrals of motion change in a det
Externí odkaz:
http://arxiv.org/abs/2110.02906
Publikováno v:
SciPost Phys. 11, 028 (2021)
In this work, we present a new approach to disordered, periodically driven (Floquet) quantum many-body systems based on flow equations. Specifically, we introduce a continuous unitary flow of Floquet operators in an extended Hilbert space, whose fixe
Externí odkaz:
http://arxiv.org/abs/2009.03186
Autor:
Thomson, S. J., Schiró, M.
Publikováno v:
Phys. Rev. Research 2, 043368 (2020)
A number of experimental platforms for quantum simulations of disordered quantum matter, from dipolar systems to trapped ions, involve degrees of freedom which are coupled by power-law decaying hoppings or interactions, yet the interplay of disorder
Externí odkaz:
http://arxiv.org/abs/2004.11844
Autor:
Thomson, S. J., Schiró, M.
Publikováno v:
Eur. Phys. J. B (2020) 93: 22
In this manuscript, we show how flow equation methods can be used to study localisation in disordered quantum systems, and particularly how to use this approach to obtain the non-equilibrium dynamical evolution of observables. We review the formalism
Externí odkaz:
http://arxiv.org/abs/1909.13856
Publikováno v:
Phys. Rev. Lett. 125, 120602 (2020)
In this work, we address the question of how a closed quantum system thermalises in the presence of a random external potential. By investigating the quench dynamics of the isolated quantum spherical $p$-spin model, a paradigmatic model of a mean-fie
Externí odkaz:
http://arxiv.org/abs/1904.03147
Publikováno v:
Phys. Rev. Lett. 121, 035301 (2018)
In this work we introduce {\it boundary time-crystals}. Here {\it continuous} time-translation symmetry breaking occurs only in a macroscopic fraction of a many-body quantum system. After introducing their definition and properties, we analyse in det
Externí odkaz:
http://arxiv.org/abs/1708.05014
Autor:
Thomson, S. J., Schiró, M.
Publikováno v:
Phys. Rev. B 97, 060201 (2018)
The interplay between interactions and quenched disorder can result in rich dynamical quantum phenomena far from equilibrium, particularly when many-body localization prevents the system from full thermalization. With the aim of tackling this interes
Externí odkaz:
http://arxiv.org/abs/1707.06981
Publikováno v:
Phys. Rev. Lett. 116, 143603 (2016)
We explore the phase diagram of the dissipative Rabi-Hubbard model, as could be realized by a Raman-pumping scheme applied to a coupled cavity array. There exist various exotic attractors, including ferroelectric, antiferroelectric, and inccomensurat
Externí odkaz:
http://arxiv.org/abs/1503.04456
Publikováno v:
J. Phys. B: At. Mol. Opt. Phys. 46 224021(2013)
We discuss the physics of the Rabi-Hubbard model describing large arrays of coupled cavities interacting with two level atoms via a Rabi non-linearity. We show that the inclusion of counter-rotating terms in the light-matter interaction, often neglec
Externí odkaz:
http://arxiv.org/abs/1309.7339