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Gruneisen parameters for the Lieb-Liniger and Yang-Gaudin models

Peng, Li; Yu, Yi-Cong; Guan, Xi-Wen

Description

Using the Bethe ansatz solution, we analytically study expansionary, magnetic, and interacting Grüneisen parameters (GPs) for one-dimensional (1D) Lieb-Liniger and Yang-Gaudin models. These different GPs elegantly quantify the dependence of characteristic energy scales of these quantum gases on the volume, the magnetic field, and the interaction strength, revealing the caloric effects resulting from the variations of these potentials. The obtained GPs further confirm an identity which is...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/213574
Source: Physical Review B
DOI: 10.1103/PhysRevB.100.245435
Access Rights: Open Access

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