Superconductivity from four Fermion complexes
classification
❄️ cond-mat.supr-con
keywords
complexessuperconductivitytemperaturetransitionapplyingapproachattractivecalculated
read the original abstract
Superconductivity is studied for a fermionic system with attractive four-body interaction. Applying a Green function approach, the gap equation is derived. From the solution, the transition temperature is calculated. Under the condition that the respective coupling constants are comparable, the transition temperature of four-fermion complexes is considerably larger than the corresponding BCS value.
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