Spin-phonon coupling in Kitaev systems produces Fano lineshapes in Raman spectra whose temperature evolution and magnetic-field dependence encode the presence of Majorana fermions and Z2 gauge fluxes.
However, their main ef- fects mainly appear at energies below J, so they will not change much physics at the energy scale above J
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Footprints of the Kitaev spin liquid in the Fano lineshapes of the Raman active optical phonons
Spin-phonon coupling in Kitaev systems produces Fano lineshapes in Raman spectra whose temperature evolution and magnetic-field dependence encode the presence of Majorana fermions and Z2 gauge fluxes.