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Nonlocal pair correlations in Lieb-Liniger gases: A unified nonperturbative approach from weak degeneracy to high temperatures

Geiger, Benjamin , Hummel, Quirin, Urbina, Juan Diego and Richter, Klaus (2018) Nonlocal pair correlations in Lieb-Liniger gases: A unified nonperturbative approach from weak degeneracy to high temperatures. Physical Review A (PRA) 97 (6), 063612.

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Abstract

We present analytical results for the nonlocal pair correlations in one-dimensional bosonic systems with repulsive contact interactions that are uniformly valid from the classical regime of high temperatures down to weak quantum degeneracy entering the regime of ultralow temperatures. By using the information contained in the short-time approximations of the full many-body propagator, we derive ...

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Item type:Article
Date:15 June 2018
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:SFB 1277: Emergente relativistische Effekte in der Kondensierten Materie: Von grundlegenden Aspekten zu elektronischer Funktionalität
Identification Number:
ValueType
10.1103/PhysRevA.97.063612DOI
1801.07666arXiv ID
Keywords:few-body systems, pair-correlation, semiclassical physics, Lieb-Liniger model, cluster expansion
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:37414

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