Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-03-16
New J. Phys. 11 (2009) 073009
Physics
Condensed Matter
Statistical Mechanics
21 pages, 7 figures, some clarifications added, with some new and updated references
Scientific paper
10.1088/1367-2630/11/7/073009
An extensive investigation is given for magnetic properties and phase transitions in one-dimensional 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 diagrams are highly accurate in the weak and strong coupling regimes, capturing the precise nature of magnetic effects and quantum phase transitions in one-dimensional interacting fermions with population imbalance. Moreover, it is shown that the universality class of linear field-dependent behaviour of the magnetization holds throughout the whole attractive regime.
Batchelor Murray T.
Foerster Angela
Guan X.-W.
He Jian-Sen
No associations
LandOfFree
Magnetism and quantum phase transitions in spin-1/2 attractive fermions with polarization does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Magnetism and quantum phase transitions in spin-1/2 attractive fermions with polarization, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetism and quantum phase transitions in spin-1/2 attractive fermions with polarization will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-224106