Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition

Details Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition

2005-07-26

arxiv.org/abs/cond-mat/0507608v2

Phys. Rev. B 72, 184404 (2005).

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 7 figures; we have changed our choice of the ultraviolet cutoff, as suggested by a referee. Phase transition occurs n

Scientific paper

10.1103/PhysRevB.72.184404

We calculate the Gibbs potential Gamma (M) of a one-dimensional metal at constant magnetization M to second order in the screened electron-electron interaction U. At zero temperature we find that Gamma (M) contains non-analytic corrections proportional to M^2 \ln | M| and | M |^3, implying that a possible paramagnetic-ferromagnetic quantum phase transition in one-dimensional metals must be first order.

Affiliated with

Also associated with

No associations

Rating

Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition 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 Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ferromagnetism in one-dimensional metals: breakdown of the Hartree-Fock approximation and possible first order phase transition will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-208532