Title

Fate of Quasiparticles in the Superconducting State

Document Type

Article

Publication Date

Fall 11-17-2014

Abstract

Quasiparticle properties in the superconducting state are masked by the superfluid and are not directly accessible to infrared spectroscopy. We show how one can use a Kramers-Kronig transformation to separate the quasiparticle from superfluid response and extract intrinsic quasiparticle properties in the superconducting state. We also address the issue of a narrow quasiparticle peak observed in microwave measurements, and demonstrate how it can be combined with infrared measurements to obtain a unified picture of electrodynamic properties of cuprate superconductors.

Publication Title

Physical Review B

Volume

90

Issue

17

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