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Effective Lagrangians for BCS superconductors at T=0
We show that the low frequency, long wavelength dynamics of the phase of the pair field for a BCS-type s-wave superconductor at T=0 is equivalent to that of a time-dependent non-linear Schr\"odinger Lagrangian (TDNLSL), when terms required by Galilean invariance are included. If the modulus of...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevB.51.6531 http://cds.cern.ch/record/271948 |