Photoemission spectroscopy and the unusually robust one-dimensional physics of lithium purple bronze.
作者： A Sekiyama , J D Denlinger , D Hitchcock , S Suga , J He
DOI: 10.1088/0953-8984/25/1/014007
关键词:
摘要: Temperature-dependent photoemission spectroscopy in Li0.9Mo6O17 contributes to evidence for one-dimensional (1D) physics that is unusually robust. Three generic characteristics of the Luttinger liquid are observed: power law behavior k-integrated spectral function down temperatures just above superconducting transition, k-resolved lineshapes show holon and spinon features, quantum critical (QC) scaling lineshapes. Departures from expectations Tomonaga?Luttinger model can be partially described by a phenomenological momentum broadening presented discussed. The possibility some form 1D obtains even transition temperature assessed.
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