Speaker
Dr
Dragos-Victor Anghel
(IFIN-HH)
Description
The BCS model is revisited and it is shown that the phenomenology predicted by it is much richer than it was thought before. I will show in realistic situations that the phase transition from the superconducting state to the normal (metal) state may be of the first order (the energy gap may have a jump at the phase transition), there may be two solutions for the energy gap equation, etc.
I show both, zero temperature [1] and finite temperature results [2].
[1] D. V. Anghel, arXiv:1609.07931.
[2] D. V. Anghel and G. A. Nemnes, Physica A 464, 74 (2016).
| Topic: | Topic: Quantum Physics, Quantum Optics and Quantum Information |
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Author
Dr
Dragos-Victor Anghel
(IFIN-HH)
