Nature of spectral gaps due to pair formation in superconductors
T. Micklitz, M. R. Norman
DOI 10.1103/PhysRevB.80.220513 · Physical Review B
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Abstract
Several phenomenological self-energies have been presented to describe the pseudogap in cuprates. Here, we offer a derivation of the self-energy in two dimensions due to pair formation and compare it to photoemission data. We then use our results to address several questions of interest, including the existence of magneto-oscillations in the presence of the pseudogap and the two-length-scale nature of vortices in underdoped cuprates.
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