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Unified description of pairing, trionic and quarteting states for one-dimensional SU(4) attractive fermions

Guan, Xi-Wen; Batchelor, Murray; Li (Lee), Chaohong; Lee, Jen

Description

Paired states, trions and quarteting states in one-dimensional SU(4) attractive fermions are investigated via exact Bethe ansatz calculations. In particular, quantum phase transitions are identified and calculated from the quarteting phase into normal Fermi liquid, trionic states and spin-2 paired states which belong to the universality class of linear field-dependent magnetization in the vicinity of critical points. Moreover, unified exact results for the ground-state energy, chemical...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/39744
Source: Europhysics Letters
DOI: 10.1209/0295-5075/86/50003

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