Spontaneous magnetization and Hall effect in superconductors with broken time-reversal symmetry

B. Horovitz; A. Golub

doi:10.1209/epl/i2002-00594-y

Spontaneous magnetization and Hall effect in superconductors with broken time-reversal symmetry

Department of Physics

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Abstract

Broken time reversal symmetry (BTRS) in d-wave superconductors is studied and is shown to yield current-carrying surface states. The corresponding spontaneous magnetization φ is temperature independent near the critical temperature T_c for weak BTRS, in accord with recent data. For strong BTRS and thin films we expect a temperature-dependent φ with a paramagnetic anomaly near T_c. The Hall conductance is found to vanish at zero wave vector q and finite frequency ω, however at finite q, ω it has an unusual structure.

Original language	English
Pages (from-to)	892-897
Number of pages	6
Journal	Europhysics Letters
Volume	57
Issue number	6
DOIs	https://doi.org/10.1209/epl/i2002-00594-y
State	Published - 20 Aug 2002

ASJC Scopus subject areas

General Physics and Astronomy

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10.1209/epl/i2002-00594-y

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abstract = "Broken time reversal symmetry (BTRS) in d-wave superconductors is studied and is shown to yield current-carrying surface states. The corresponding spontaneous magnetization φ is temperature independent near the critical temperature Tc for weak BTRS, in accord with recent data. For strong BTRS and thin films we expect a temperature-dependent φ with a paramagnetic anomaly near Tc. The Hall conductance is found to vanish at zero wave vector q and finite frequency ω, however at finite q, ω it has an unusual structure.",

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N2 - Broken time reversal symmetry (BTRS) in d-wave superconductors is studied and is shown to yield current-carrying surface states. The corresponding spontaneous magnetization φ is temperature independent near the critical temperature Tc for weak BTRS, in accord with recent data. For strong BTRS and thin films we expect a temperature-dependent φ with a paramagnetic anomaly near Tc. The Hall conductance is found to vanish at zero wave vector q and finite frequency ω, however at finite q, ω it has an unusual structure.

AB - Broken time reversal symmetry (BTRS) in d-wave superconductors is studied and is shown to yield current-carrying surface states. The corresponding spontaneous magnetization φ is temperature independent near the critical temperature Tc for weak BTRS, in accord with recent data. For strong BTRS and thin films we expect a temperature-dependent φ with a paramagnetic anomaly near Tc. The Hall conductance is found to vanish at zero wave vector q and finite frequency ω, however at finite q, ω it has an unusual structure.

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JF - Europhysics Letters

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Spontaneous magnetization and Hall effect in superconductors with broken time-reversal symmetry

Abstract

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