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

School of Physics and Astronomy

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

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
Number of pages	6
Journal	Physical Review Letters
Volume	118
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.118.097002
Publication status	Published - 3 Mar 2017

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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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title = "Multiband one-dimensional electronic structure and spectroscopic signature of Tomonaga-Luttinger liquid behavior in K2Cr3As3",

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.",

author = "Watson, \{M. D.\} and Y. Feng and Nicholson, \{C. W.\} and C. Monney and Riley, \{J. M.\} and H. Iwasawa and K. Refson and V. Sacksteder and Adroja, \{D. T.\} and J. Zhao and M. Hoesch",

year = "2017",

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doi = "10.1103/PhysRevLett.118.097002",

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T1 - Multiband one-dimensional electronic structure and spectroscopic signature of Tomonaga-Luttinger liquid behavior in K2Cr3As3

AU - Watson, M. D.

AU - Feng, Y.

AU - Nicholson, C. W.

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.

PY - 2017/3/3

Y1 - 2017/3/3

N2 - 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.

AB - 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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JO - Physical Review Letters

JF - Physical Review Letters

IS - 9

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ER -

Multiband one-dimensional electronic structure and spectroscopic signature of Tomonaga-Luttinger liquid behavior in K₂Cr₃As₃

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