Abstract
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.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 9545-9557 |
| Number of pages | 13 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 59 |
| Issue number | 14 |
| DOIs | |
| State | Published - 1999 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics