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cond-mat.str-el2024★ 2 cited
Anomalous amplitude mode dynamics below the expected charge-density-wave transition in 1-VSe
Charles J. Sayers, Giovanni Marini, Matteo Calandra +6
A charge-density-wave (CDW) is characterized by a dynamical order parameter consisting of a time-dependent amplitude and phase, which manifest as optically-active collective modes…
cond-mat.str-el2022★ 12 cited
Spectrally resolving the phase and amplitude of coherent phonons in the charge density wave state of 1-TaSe
Charles J. Sayers, Stefano Dal Conte, Daniel Wolverson +4
The excitation and detection of coherent phonons has given unique insights into condensed matter, in particular for materials with strong electron-phonon coupling. We report a stud…