Higgs Mode in Superconductors

  title={Higgs Mode in Superconductors},
  author={Ryo Shimano and Naoto Tsuji},
  journal={Annual Review of Condensed Matter Physics},
  • R. Shimano, N. Tsuji
  • Published 22 June 2019
  • Physics
  • Annual Review of Condensed Matter Physics
When the continuous symmetry of a physical system is spontaneously broken, two types of collective modes typically emerge: the amplitude and the phase modes of the order-parameter fluctuation. For superconductors, the amplitude mode is referred to most recently as the Higgs mode as it is a condensed-matter analog of a Higgs boson in particle physics. Higgs mode is a scalar excitation of the order parameter, distinct from charge or spin fluctuations, and thus does not couple to electromagnetic… 

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