Gradient expansion for the free energy of a clean superconductor
Apr 1, 199912 pages
Published in:
- Phys.Rev.B 59 (1999) 9545-9557
e-Print:
- cond-mat/9809182 [cond-mat.supr-con]
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Abstract: (APS)
We describe a method for obtaining the gradient expansion for the free energy of a clean BCS superconductor. We present explicit results up to fourth order in the gradients of the order parameter.Note:
- 33 pages, LateX
- 74.20.Fg
- 74.80.-g
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