Unconventional Superconductivity in La7Ir3 Revealed by Muon Spin Relaxation. Barker, J., A., T., Singh, D., Thamizhavel, A., Hillier, A., D., Lees, M., R., Balakrishnan, G., Paul, D., M., & Singh, R., P. Physical Review Letters, 115(26):267001, 12, 2015.
Paper
Website abstract bibtex The superconductivity of the noncentrosymmetric compound La7Ir3 is investigated using muon spin rotation and relaxation. Zero-field measurements reveal the presence of spontaneous static or quasi static magnetic fields below the superconducting transition temperature T c = 2.25 K—a clear indication that the superconducting state breaks time-reversal symmetry. Furthermore, transverse-field rotation measurements suggest that the superconducting gap is isotropic and that the pairing symmetry of the superconducting electrons is predominantly s wave with an enhanced binding strength. The results indicate that the superconductivity in La 7 Ir 3 may be unconventional and paves the way for further studies of this family of materials.
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title = {Unconventional Superconductivity in La7Ir3 Revealed by Muon Spin Relaxation},
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year = {2015},
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abstract = {The superconductivity of the noncentrosymmetric compound La7Ir3 is investigated using muon spin rotation and relaxation. Zero-field measurements reveal the presence of spontaneous static or quasi static magnetic fields below the superconducting transition temperature T c = 2.25 K—a clear indication that the superconducting state breaks time-reversal symmetry. Furthermore, transverse-field rotation measurements suggest that the superconducting gap is isotropic and that the pairing symmetry of the superconducting electrons is predominantly s wave with an enhanced binding strength. The results indicate that the superconductivity in La 7 Ir 3 may be unconventional and paves the way for further studies of this family of materials.},
bibtype = {article},
author = {Barker, J. A. T. and Singh, D. and Thamizhavel, A and Hillier, A. D. and Lees, M. R. and Balakrishnan, G and Paul, D. McK. and Singh, R. P.},
journal = {Physical Review Letters},
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