Polarization dependence of angle-resolved photoemission with submicron spatial resolution reveals emerging one-dimensionality of electrons in NbSe3

Article

关键词: X-RAY;    CHARGE;    SUPERCONDUCTIVITY;    NEMATICITY;    STATE;    PHOTOIONIZATION;    FLUCTUATIONS;    MODULATIONS;    SYMMETRY;    PHASES;   

DOI  :  10.1103/PhysRevB.99.075118

来源: SCIE

【 摘 要 】

In materials with nearly commensurate band filling the electron liquid may spontaneously separate into components with distinct properties, yielding complex intra- and interunit cell ordering patterns and a reduced dimensionality. Polarization-dependent angle-resolved photoemission data with submicron spatial resolution demonstrate such an electronic self-organization in NbSe3, a compound considered to be a paradigm of charge order. The new data indicate the emergence of a novel order, and reveal the one-dimensional (1D) physics hidden in a material which naively could be considered the most three dimensional of all columnar chalcogenides. The 1D physics is evidenced by a new selection rule-in two polarizations we observe two strikingly different dispersions each closely resembling apparently contradicting results of previous studies of this material.

【 授权许可】

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