Ward identities for anisotropic Cooper pairs
Osamu Narikiyo
TL;DR
This paper derives Ward identities for anisotropic Cooper pairs, showing that nonlocal pairs share the same form as local pairs when using the pair propagator with the form factor, advancing understanding of pairing symmetries.
Contribution
It introduces Ward identities specific to anisotropic, nonlocal Cooper pairs, extending theoretical tools for analyzing unconventional superconductivity.
Findings
Ward identities for anisotropic pairs are derived.
Nonlocal pairs' Ward identities match local pairs when using the pair propagator.
Provides a theoretical framework for anisotropic pairing analysis.
Abstract
Ward identities for anisotropic Cooper pairs are derived. These for nonlocal pairs have the same form as those for local pairs by employing the pair propagator with the form factor.
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Taxonomy
TopicsElectromagnetic Scattering and Analysis · Wireless Communication Networks Research · Matrix Theory and Algorithms