Spin Density Wave and Superconductiveity in Highly Anisotropic Materials. III. Energy Gap Structure and Non-Magnetic Impurity Effects
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Based on a simple anisotropic electron band model within the Hartree-Fockapproximation the coexistence problem of the spin density wave and superconduc-tivity is further investigated theoretically. It is demonstrated that (l) the energygap structure is quite different from an ordinary superconductor in the coexistentregion, and (2) non-magnetic impurities substantially alter the energy gap structure,giving rise to a bound state inside the energy gap and raise the superconductingtransition temperature. Discussions on the electron tunneling experiment of(TMTSF).PF5 under pressure are given.
- 社団法人日本物理学会の論文
- 1982-05-15
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