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Strongly correlated non-equilibrium steady states with currents - quantum and classical picture
Buča, Berislav (Avtor), Prosen, Tomaž (Avtor)

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Izvleček
In this minireview we will discuss recent progress in the analytical study of current-carrying non-equilibrium steady states (NESS) that can be constructed in terms of a matrix product ansatz. We will focus on one-dimensional exactly solvable strongly correlated cases, and will study both quantum models, and classical models which are deterministic in the bulk. The only source of classical stochasticity in the time-evolution will come from the boundaries of the system. Physically, these boundaries may be understood as Markovian baths, which drive the current through the system. The examples studied include the open XXZ Heisenberg spin chain, the open Hubbard model, and a classical integrable reversible cellular automaton, namely the Rule 54 of A. Bobenko et al. [A. Bobenko et al., Commun. Math. Phys. 158, 127 (1993)] with stochastic boundaries. The quantum NESS can be at least partially understood through the Yang–Baxter integrability structure of the underlying integrable bulk Hamiltonian, whereas for the Rule 54 model NESS seems to come from a seemingly unrelated integrability theory. In both the quantum and the classical case, the underlying matrix product ansatz defining the NESS also allows for construction of novel conservation laws of the bulk models themselves. In the classical case, a modification of the matrix product ansatz also allows for construction of states beyond the steady state (i.e., some of the decay modes – Liouvillian eigenvectors of the model). We hope that this article will help further the quest to unite different perspectives of integrability of NESS (of both quantum and classical models) into a single unified framework.

Jezik:Angleški jezik
Ključne besede:quantum mechanics, classical models, strongly correlated systems, non-equilibrium systems
Tipologija:1.02 - Pregledni znanstveni članek
Organizacija:FMF - Fakulteta za matematiko in fiziko
Leto izida:2018
Št. strani:str. 421-444
Številčenje:Vol. 227, iss. 3/4
UDK:530.145
ISSN pri članku:1951-6355
DOI:10.1140/epjst/e2018-00100-9 Povezava se odpre v novem oknu
COBISS.SI-ID:3249252 Povezava se odpre v novem oknu
Število ogledov:317
Število prenosov:171
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:The European physical journal
Skrajšan naslov:Eur. phys. j., spec. top.
Založnik:EDP Sciences, Springer
ISSN:1951-6355
COBISS.SI-ID:852475 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:EC - European Commission
Program financ.:H2020
Številka projekta:694544
Naslov:Open many-body non-equilibrium systems
Akronim:OMNES

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:kvantna mehanika, klasični modeli, močno korelirani sistemi, neravnovesni sistemi

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