Odd-frequency density waves: Non-Fermi-liquid metals with an order parameter
Journal Article
·
· Physical Review B
We consider states with a charge- or spin-density wave order parameter which is odd in frequency so that the order parameter vanishes at zero frequency and there is a conventional Fermi surface. Such states break translational symmetry and, therefore, are not conventional Fermi liquids. In the odd-frequency spin-density wave case, there are Goldstone bosons and the low-energy spectrum is manifestly different from that of a Fermi liquid. We discuss a simple model that gives rise to such ordered states. The frequency dependence of the gap leads to an unusual temperature dependence for various thermodynamic and transport properties, notably the resistivity.
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FG03-ER-40701
- OSTI ID:
- 40277094
- Journal Information:
- Physical Review B, Vol. 64, Issue 3; Other Information: DOI: 10.1103/PhysRevB.64.035107; Othernumber: PRBMDO000064000003035107000001; 082127PRB; PBD: 15 Jul 2001; ISSN 0163-1829
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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