Abstract
We develop a theory beyond the Hartree-Fock-Bogoliubov approximation for neutral BCS superconductors at T = 0 K. The self-energy correction due to the interaction between the Goldstone boson and the fermions is calculated. The superconducting order is enhanced by this interaction.
Original language | English |
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Pages (from-to) | 162-167 |
Number of pages | 6 |
Journal | Physica C: Superconductivity and its applications |
Volume | 437-438 |
Issue number | SPEC. ISS. |
DOIs | |
Publication status | Published - 2006 May 15 |
Keywords
- Goldstone boson
- Neutral BCS superconductors
- One-loop approximation
- Strong coupling effect
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering