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Impenetrable SU(N) fermions in one-dimensional lattices
ID Zhang, Yicheng (Author), ID Vidmar, Lev (Author), ID Rigol, Marcos (Author)

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Abstract
We study SU(N) fermions in the limit of infinite on-site repulsion between all species. We focus on states in which every pair of consecutive fermions carries a different spin flavor. Since the particle order cannot be changed (because of the infinite on-site repulsion) and contiguous fermions have a different spin flavor, we refer to the corresponding constrained model as the model of distinguishable quantum particles. We introduce an exact numerical method to calculate equilibrium one-body correlations of distinguishable quantum particles based on a mapping onto noninteracting spinless fermions. In contrast to most many-body systems in one dimension, which usually exhibit either power-law or exponential decay of off-diagonal one-body correlations with distance, distinguishable quantum particles exhibit a Gaussian decay of one-body correlations in the ground state, while finite-temperature correlations are well described by stretched exponential decay.

Language:English
Typology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Publication status:Published
Publication version:Author Accepted Manuscript
Year:2018
Number of pages:Str. 042129-1-042129-12
Numbering:Vol. 98, no. 4
PID:20.500.12556/RUL-107410 This link opens in a new window
UDC:53
ISSN on article:2469-9926
DOI:10.1103/PhysRevA.98.042129 This link opens in a new window
COBISS.SI-ID:32045863 This link opens in a new window
Publication date in RUL:11.04.2019
Views:1384
Downloads:602
Metadata:XML DC-XML DC-RDF
:
ZHANG, Yicheng, VIDMAR, Lev and RIGOL, Marcos, 2018, Impenetrable SU(N) fermions in one-dimensional lattices. Physical review [online]. 2018. Vol. 98, no. 4, p. 042129-1- 042129–12. [Accessed 5 July 2025]. DOI 10.1103/PhysRevA.98.042129. Retrieved from: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=eng&id=107410
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Record is a part of a journal

Title:Physical review
Publisher:American Physical Society
ISSN:2469-9926
COBISS.SI-ID:2996836 This link opens in a new window

Projects

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

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