Effect of the Vortices on the Nuclear Spin Relaxation Rate in the Unconventional Pairing States of the Organic Superconductor (TMTSF)2PF6
M. Takigawa, M. Ichioka, K. Kuroki, Y. Asano, Y. Tanaka
DOI 10.1103/PhysRevLett.97.187002 · Physical Review Letters
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Abstract
This Letter theoretically discusses quasiparticle states and nuclear spin relaxation rates T1−1 in the quasi-one-dimensional superconductor (TMTSF)2PF6 under a magnetic field applied parallel to the conduction chains. We study the effects of Josephson-type vortices on T1−1 by solving the Bogoliubov–de Gennes equation for p-, d- or f-wave pairing interactions. In the presence of line nodes in pairing functions, T1−1 is proportional to T in sufficiently low temperatures because quasiparticles induced by vortices at the Fermi energy relax spins. We also try to identify the pairing symmetry of (TMTSF)2PF6.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (TMTSF)2PF6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| (TMTSF)2ClO4 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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