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Dynamical phase diagram of a quantum Ising chain with long-range interactions
ID Piccitto, Giulia (Author), ID Žunkovič, Bojan (Author), ID Silva, Alessandro (Author)

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Abstract
We investigate the effect of short-range correlations on the dynamical phase diagram of quantum many-body systems with long-range interactions. Focusing on Ising spin chains with power-law decaying interactions and accounting for short-range correlations by a cluster mean field theory we show that short-range correlations are responsible for the emergence of a chaotic dynamical region. Analyzing the fine details of the phase diagram, we show that the resulting chaotic dynamics bears close analogies with that of a tossed coin.

Language:English
Keywords:quantum mechanics, statistical mechanics
Typology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Publication status:Published
Publication version:Author Accepted Manuscript
Year:2019
Number of pages:Str. 180402-1-180402-5
Numbering:Vol. 100, iss. 18
PID:20.500.12556/RUL-113074 This link opens in a new window
UDC:536.93
ISSN on article:2469-9950
DOI:10.1103/PhysRevB.100.180402 This link opens in a new window
COBISS.SI-ID:3389796 This link opens in a new window
Publication date in RUL:02.12.2019
Views:866
Downloads:519
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Record is a part of a journal

Title:Physical review
Publisher:American Physical Society
ISSN:2469-9950
COBISS.SI-ID:2997348 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:kvantna mehanika, statistična mehanika

Projects

Funder:EC - European Commission
Funding programme:H2020
Project number:694544
Name:Open many-body non-equilibrium systems
Acronym:OMNES

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