Multiband One-Dimensional Electronic Structure and Spectroscopic Signature of Tomonaga-Luttinger Liquid Behavior in K2Cr3As3

M. D. Watson; Y. Feng; C. W. Nicholson; C. Monney; J. M. Riley; H. Iwasawa; K. Refson; V. Sacksteder; D. T. Adroja; J. Zhao; M. Hoesch

doi:10.1103/PhysRevLett.118.097002

Multiband One-Dimensional Electronic Structure and Spectroscopic Signature of Tomonaga-Luttinger Liquid Behavior in K2Cr3As3

M. D. Watson, Y. Feng, C. W. Nicholson, C. Monney, J. M. Riley, H. Iwasawa, K. Refson, V. Sacksteder, D. T. Adroja, J. Zhao, M. Hoesch

Physics

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

We present angle-resolved photoemission spectroscopy measurements of the quasi-one-dimensional superconductor K2Cr3As3. We find that the Fermi surface contains two Fermi surface sheets, with linearly dispersing bands not displaying any significant band renormalizations. The one-dimensional band dispersions display a suppression of spectral intensity approaching the Fermi level according to a linear power law, over an energy range of ∼200 meV. This is interpreted as a signature of Tomonoga-Luttinger liquid physics, which provides a new perspective on the possibly unconventional superconductivity in this family of compounds.

Original language	English
Article number	097002
Journal	Physical Review Letters
Volume	118
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.118.097002
Publication status	Published - 1 Mar 2017

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.118.097002

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Watson, M. D., Feng, Y., Nicholson, C. W., Monney, C., Riley, J. M., Iwasawa, H., Refson, K., Sacksteder, V., Adroja, D. T., Zhao, J., & Hoesch, M. (2017). Multiband One-Dimensional Electronic Structure and Spectroscopic Signature of Tomonaga-Luttinger Liquid Behavior in K2Cr3As3. Physical Review Letters, 118(9), Article 097002. https://doi.org/10.1103/PhysRevLett.118.097002

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abstract = "We present angle-resolved photoemission spectroscopy measurements of the quasi-one-dimensional superconductor K2Cr3As3. We find that the Fermi surface contains two Fermi surface sheets, with linearly dispersing bands not displaying any significant band renormalizations. The one-dimensional band dispersions display a suppression of spectral intensity approaching the Fermi level according to a linear power law, over an energy range of ∼200 meV. This is interpreted as a signature of Tomonoga-Luttinger liquid physics, which provides a new perspective on the possibly unconventional superconductivity in this family of compounds.",

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AU - Monney, C.

AU - Riley, J. M.

AU - Iwasawa, H.

AU - Refson, K.

AU - Sacksteder, V.

AU - Adroja, D. T.

AU - Zhao, J.

AU - Hoesch, M.

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Multiband One-Dimensional Electronic Structure and Spectroscopic Signature of Tomonaga-Luttinger Liquid Behavior in K2Cr3As3

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