Persistent order due to transiently enhanced nesting in an electronically excited charge density wave.

Abstract

Non-equilibrium conditions may lead to novel properties of materials with broken symmetry ground states not accessible in equilibrium as vividly demonstrated by non-linearly driven mid-infrared active phonon excitation. Potential energy surfaces of electronically excited states also allow to direct nuclear motion, but relaxation of the excess energy… (More)
DOI: 10.1038/ncomms10459

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