Cooper pairs as low-energy excitations in the normal state
O. Tchernyshyov, Y. J. Uemura
TL;DR
This paper explores how stable Cooper pairs in a fermionic system's normal state create a pseudogap and exhibit Bose-like condensation behavior near two dimensions, revealing novel low-energy excitations.
Contribution
It introduces the concept of stable Cooper pairs as low-energy excitations in the normal state within a pseudogap regime, highlighting Bose-like condensation phenomena.
Findings
Cooper pairs induce a pseudogap in the fermion spectrum.
Near two dimensions, the system shows Bose-like condensation.
Stable Cooper pairs exist as low-energy excitations in the normal state.
Abstract
We discuss the normal state of a fermionic system in an idealized PSEUDOGAP REGIME, . Stable Cooper pairs induce a pseudogap of width in the fermion energy spectrum. Near two dimensions, we find a Bose-like condensation temperature in this predominantly fermionic system.
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