Magnetism and quantum phase transitions in spin-1/2 attractive fermions with polarization
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He, J S; Foerster, Angela; Guan, Xi-Wen; Batchelor, Murray T
Description
An extensive investigation is given for magnetic properties and phase transitions in one-dimensional (1D) Bethe ansatz integrable spin-1/2 attractive fermions with polarization by means of the dressed energy formalism. An iteration method is presented to derive higher order corrections for the ground-state energy, critical fields and magnetic properties. Numerical solutions of the dressed energy equations confirm that the analytic expressions for these physical quantities and resulting phase...[Show more]
Collections | ANU Research Publications |
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Date published: | 2009-07-03 |
Type: | Journal article |
URI: | http://hdl.handle.net/10440/964 http://digitalcollections.anu.edu.au/handle/10440/964 |
Source: | New Journal of Physics |
DOI: | 10.1088/1367-2630/11/7/073009 |
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