Doublon-like excitations and their phononic coupling in a Mott charge-density-wave system
C. J. Butler,
M. Yoshida,
T. Hanaguri
et al.
Abstract:Electron-phonon-driven charge density waves can in some circumstances allow electronic correlations to become predominant, driving a system into a Mott insulating state. New insights into both the Mott state and preceding charge density wave may result from observations of the coupled dynamics of their underlying degrees of freedom. Here, tunneling injection of single electrons into the upper Hubbard band of the Mott charge-density-wave material 1T -TaS2 reveals extraordinarily narrow electronic excitations wh… Show more
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