Unconventional spin density wave in Bechgaard salt (TMTSF)2NO3
arXiv:cond-mat/0610065 · doi:10.1103/PhysRevB.75.052409
Abstract
Among many Bechgaard salts, TMTSF2NO3 exhibits very anomalous low temperature properties. Unlike conventional spin density wave (SDW), TMTSF2NO3 undergoes the SDW transition at $\T_SDW\approx 9.5$ K and the low temperature quasiparticle excitations are gapless. Also, it is known that TMTSF2NO3 does not exhibit superconductivity even under pressure, while FISDW is found in TMTSF2NO3 only for P=8.5 kbar and B>20 T. Here we shall show that both the angle dependent magnetoresistance data and the nonlinear Hall resistance of TMTSF2NO3 at ambient pressure are interpreted satisfactory in terms of unconventional spin density wave (USDW). Based on these facts, we propose a new phase diagram for Bechgaards salts.
4 pages, 4 figs, RevTeX
References in corpus (9)
- Heavy fermion superconductivity and magnetic order in non-centrosymmetric
- Superconducting 2D system with lifted spin degeneracy: Mixed singlet-triplet state
- Spin susceptibility in superconductors without inversion symmetry
- Impurity controlled Superconductivity/Spin Density Wave interplay in the organic superconductor : (TMTSF)\_2ClO\_4
- Unconventional charge density wave in the organic conductor alpha-(BEDT-TTF)_2KHg(SCN)_4
- Recent Advances in Unconventional Density Waves
- The angular dependent magnetoresistance in alpha-(BEDT-TTF)_2KHg(SCN)_4
- Unconventional spin density wave in (TMTSF)2PF6 below T* ~ 4K
- Field-induced spin density wave in (TMTSF)NO