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1 paper

cond-mat.str-el2009★ 1 cited

Strong phonon softening without Fermi surface nesting

D. Lamago, M. Hoesch, M. Krisch +4

Interactions with electronic excitations can soften and/or broaden phonons. They are greatly amplified at wavevectors Q+- that connect parallel (nested) sheets of the Fermi surface…