A New Low-Energy Excitation in Charge Density Wave Ordered YBa2Cu3O6.5
Raman spectroscopy performed on the charge density wave (CDW) ordered underdoped YBa2Cu3O6.5 (YBCO) has demonstrated the existence of a novel excitation associated with the superconducting state and/or the CDW order. At present, the nature of this excitation is unclear, however, there are some interesting possibilities: It may be the Higgs (or amplitude) mode of the superconducting condensate. Here we propose to study the mode by inelastic neutron scattering to determine its dispersion and the effect of magnetic field
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HAYDEN Stephen M.; BUHOT Jonathan; IVANOV Alexandre and A. N. Petsch. (2021). A New Low-Energy Excitation in Charge Density Wave Ordered YBa2Cu3O6.5. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-01-525
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