Superconductivity-induced features in electronic Raman spectrum of monolayer graphene

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Abstract

Using the continuum model, we investigate theoretically the contribution of the low-energy electronic excitations to the Raman spectrum of superconducting monolayer graphene.We consider superconducting phases characterised by an isotropic order parameter in a single valley and find a Raman peak at a shift set by the size of the superconducting gap. The height of this peak is proportional to the square root of the gap and the third power of the Fermi level, and we estimate its quantum efficiency as I~10^-14.
LanguageEnglish
Article number155405
Number of pages7
JournalPhysical Review B
Volume97
DOIs
StatusPublished - 5 Apr 2018

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Superconductivity
Fermi level
Quantum efficiency
electronic spectra
Graphene
Raman scattering
Monolayers
graphene
superconductivity
Raman spectra
valleys
quantum efficiency
continuums
shift
estimates
electronics
excitation
energy

Keywords

  • cond-mat.mes-hall

Cite this

Superconductivity-induced features in electronic Raman spectrum of monolayer graphene. / Garcia-Ruiz, Aitor; Mucha-Kruczynski, Marcin; Falko, V.I.

In: Physical Review B, Vol. 97, 155405, 05.04.2018.

Research output: Contribution to journalArticle

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