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Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy

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Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy. / Singh, R.P.; Adrian D., Hillier; Mazidian, Bayan; Quintanilla, J; Annett, James F; Lees, Martin; Paul, DMCK; Balakrishnan, G.

In: Physical Review Letters, Vol. 112, No. 107002, 13.03.2014.

Research output: Contribution to specialist publicationArticle

Harvard

Singh, RP, Adrian D., H, Mazidian, B, Quintanilla, J, Annett, JF, Lees, M, Paul, DMCK & Balakrishnan, G 2014, 'Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy' Physical Review Letters, vol. 112, no. 107002. https://doi.org/10.1103/PhysRevLett.112.107002

APA

Singh, R. P., Adrian D., H., Mazidian, B., Quintanilla, J., Annett, J. F., Lees, M., ... Balakrishnan, G. (2014). Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy. Physical Review Letters, 112(107002). https://doi.org/10.1103/PhysRevLett.112.107002

Vancouver

Author

Singh, R.P. ; Adrian D., Hillier ; Mazidian, Bayan ; Quintanilla, J ; Annett, James F ; Lees, Martin ; Paul, DMCK ; Balakrishnan, G. / Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy. In: Physical Review Letters. 2014 ; Vol. 112, No. 107002.

Bibtex

@misc{6147634b81614b2e9d0645e227689bbe,
title = "Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy",
abstract = "We have investigated the superconducting state of the noncentrosymmetric compound Re6Zr using magnetization, heat capacity, and muon-spin relaxation or rotation (μSR) measurements. Re6Zr has a superconducting transition temperature, Tc=6.75±0.05  K. Transverse-field μSR experiments, used to probe the superfluid density, suggest an s-wave character for the superconducting gap. However, zero and longitudinal-field μSR data reveal the presence of spontaneous static magnetic fields below Tc indicating that time-reversal symmetry is broken in the superconducting state and an unconventional pairing mechanism. An analysis of the pairing symmetries identifies the ground states compatible with time-reversal symmetry breaking.",
author = "R.P. Singh and {Adrian D.}, Hillier and Bayan Mazidian and J Quintanilla and Annett, {James F} and Martin Lees and DMCK Paul and G Balakrishnan",
year = "2014",
month = "3",
day = "13",
doi = "10.1103/PhysRevLett.112.107002",
language = "English",
volume = "112",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society (APS)",

}

RIS - suitable for import to EndNote

TY - GEN

T1 - Detection of Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor Re6Zr Using Muon-Spin Spectroscopy

AU - Singh, R.P.

AU - Adrian D., Hillier

AU - Mazidian, Bayan

AU - Quintanilla, J

AU - Annett, James F

AU - Lees, Martin

AU - Paul, DMCK

AU - Balakrishnan, G

PY - 2014/3/13

Y1 - 2014/3/13

N2 - We have investigated the superconducting state of the noncentrosymmetric compound Re6Zr using magnetization, heat capacity, and muon-spin relaxation or rotation (μSR) measurements. Re6Zr has a superconducting transition temperature, Tc=6.75±0.05  K. Transverse-field μSR experiments, used to probe the superfluid density, suggest an s-wave character for the superconducting gap. However, zero and longitudinal-field μSR data reveal the presence of spontaneous static magnetic fields below Tc indicating that time-reversal symmetry is broken in the superconducting state and an unconventional pairing mechanism. An analysis of the pairing symmetries identifies the ground states compatible with time-reversal symmetry breaking.

AB - We have investigated the superconducting state of the noncentrosymmetric compound Re6Zr using magnetization, heat capacity, and muon-spin relaxation or rotation (μSR) measurements. Re6Zr has a superconducting transition temperature, Tc=6.75±0.05  K. Transverse-field μSR experiments, used to probe the superfluid density, suggest an s-wave character for the superconducting gap. However, zero and longitudinal-field μSR data reveal the presence of spontaneous static magnetic fields below Tc indicating that time-reversal symmetry is broken in the superconducting state and an unconventional pairing mechanism. An analysis of the pairing symmetries identifies the ground states compatible with time-reversal symmetry breaking.

U2 - 10.1103/PhysRevLett.112.107002

DO - 10.1103/PhysRevLett.112.107002

M3 - Article

VL - 112

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

ER -