PIRSA:12110071 Scientific Series Condensed Matter

DOI10.48660/12110071

Series: Quantum Matter

Baskaran, G. (2012). Superradiant Superconductivity. Perimeter Institute. https://pirsa.org/12110071

Baskaran, Ganapathy. Superradiant Superconductivity. Perimeter Institute, Nov. 16, 2012, https://pirsa.org/12110071 

@misc{ pirsa_PIRSA:12110071,
  doi = {10.48660/12110071},
  url = {https://pirsa.org/12110071},
  author = {Baskaran, Ganapathy},
  keywords = {Condensed Matter},
  language = {en},
  title = {Superradiant Superconductivity},
  publisher = {Perimeter Institute},
  year = {2012},
  month = {nov},
  note = {PIRSA:12110071 see, \url{https://pirsa.org}}
}

Abstract

In Dicke Superradiance, a collection of 2-level atoms interacting with a single boson mode acquires, through quantum coherence, an enhanced emission property and a rich dynamics. We suggest possibility of Dicke superradiance in a BCS superconductor. The necessary 2-level atoms are identified with  Anderson pseudo spins seeing a self consistent mean field in k-space.  A way to couple these 2-level bose atoms to an external boson mode and create a novel non equilibrium superradiant superconductivity (SRSC) is suggested. Our mechanism offers a hope to realize transient superconductivity, even at room temperatures, in the pseudo gap phase of certain underdoped cuprates. Recent experiments are briefly discussed in this light. Further SRSC exhibits interesting quantum entanglement and superfluorescence properties.

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