Superconductor to spin-density-wave transition in quasi-one-dimensional metals with Ising anisotropy
A. V. Rozhkov, A. J. Millis
DOI 10.1103/PhysRevB.66.134509 · Physical Review B
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Abstract
We study a mechanism for superconductivity in quasi-one-dimensional materials with Ising anisotropy. In an isolated chain Ising anisotropy opens a spin gap; if interchain coupling is sufficiently weak, single particle hopping is suppressed and the physics of coupled chains is controlled by a competition between pair hopping and exchange interaction. Spin-density-wave and triplet superconductivity phases are found separated by a first-order phase transition. For particular parameter values a second-order transition described by SO(4) symmetry is found.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (TMTSF)2X Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| (TMTTF)2X Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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