scholarly journals Consequences of time-reversal-symmetry breaking in the light-matter interaction: Berry curvature, quantum metric, and diabatic motion

2020 ◽  
Vol 2 (3) ◽  
Author(s):  
Tobias Holder ◽  
Daniel Kaplan ◽  
Binghai Yan
Keyword(s):  
Symmetry Breaking ◽  
Time Reversal ◽  
Time Reversal Symmetry ◽  
Berry Curvature ◽  
Matter Interaction ◽  
Light Matter Interaction

scholarly journals Evidence for the coexistence of time-reversal symmetry breaking and Bardeen-Cooper-Schrieffer-like superconductivity in La7Pd3

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
D. A. Mayoh ◽  
A. D. Hillier ◽  
G. Balakrishnan ◽  
M. R. Lees
Keyword(s):  
Symmetry Breaking ◽  
Time Reversal ◽  
Time Reversal Symmetry

scholarly journals Unsplit superconducting and time reversal symmetry breaking transitions in Sr2RuO4 under hydrostatic pressure and disorder

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Vadim Grinenko ◽  
Debarchan Das ◽  
Ritu Gupta ◽  
Bastian Zinkl ◽  
Naoki Kikugawa ◽  
...  
Keyword(s):  
Hydrostatic Pressure ◽  
Symmetry Breaking ◽  
Time Reversal ◽  
Order Parameter ◽  
Muon Spin Rotation ◽  
Horizontal Line ◽  
Time Reversal Symmetry ◽  
Zero Field ◽  
Symmetry Protected ◽  
Line Node

AbstractThere is considerable evidence that the superconducting state of Sr2RuO4 breaks time reversal symmetry. In the experiments showing time reversal symmetry breaking, its onset temperature, TTRSB, is generally found to match the critical temperature, Tc, within resolution. In combination with evidence for even parity, this result has led to consideration of a dxz ± idyz order parameter. The degeneracy of the two components of this order parameter is protected by symmetry, yielding TTRSB = Tc, but it has a hard-to-explain horizontal line node at kz = 0. Therefore, s ± id and d ± ig order parameters are also under consideration. These avoid the horizontal line node, but require tuning to obtain TTRSB ≈ Tc. To obtain evidence distinguishing these two possible scenarios (of symmetry-protected versus accidental degeneracy), we employ zero-field muon spin rotation/relaxation to study pure Sr2RuO4 under hydrostatic pressure, and Sr1.98La0.02RuO4 at zero pressure. Both hydrostatic pressure and La substitution alter Tc without lifting the tetragonal lattice symmetry, so if the degeneracy is symmetry-protected, TTRSB should track changes in Tc, while if it is accidental, these transition temperatures should generally separate. We observe TTRSB to track Tc, supporting the hypothesis of dxz ± idyz order.

scholarly journals Time-reversal symmetry breaking and spontaneous currents ins-wave/normal-metal/d-wave superconductor sandwiches

1997 ◽  
Vol 56 (21) ◽  
pp. 14163-14167 ◽  
Author(s):  
Andrea Huck ◽  
Anne van Otterlo ◽  
Manfred Sigrist
Keyword(s):  
Symmetry Breaking ◽  
Time Reversal ◽  
Normal Metal ◽  
Time Reversal Symmetry ◽  
Wave Normal ◽  
D Wave

scholarly journals Time-reversal symmetry breaking superconducting ground state in the doped Mott insulator on the honeycomb lattice

2013 ◽  
Vol 88 (15) ◽  
Author(s):  
Zheng-Cheng Gu ◽  
Hong-Chen Jiang ◽  
D. N. Sheng ◽  
Hong Yao ◽  
Leon Balents ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Ground State ◽  
Time Reversal ◽  
Mott Insulator ◽  
Honeycomb Lattice ◽  
Time Reversal Symmetry ◽  
Doped Mott Insulator

scholarly journals Fission barriers of two odd-neutron actinide nuclei taking into account the time-reversal symmetry breaking at the mean-field level

2017 ◽  
Vol 95 (1) ◽  
Author(s):  
Meng-Hock Koh ◽  
L. Bonneau ◽  
P. Quentin ◽  
T. V. Nhan Hao ◽  
Husin Wagiran
Keyword(s):  
Symmetry Breaking ◽  
Time Reversal ◽  
Mean Field ◽  
Time Reversal Symmetry ◽  
Field Level ◽  
Fission Barriers ◽  
The Mean

scholarly journals Gauge fields emerging from time-reversal symmetry breaking for spin-5/2 fermions in a honeycomb lattice

2011 ◽  
Vol 84 (1) ◽  
Author(s):  
G. Szirmai ◽  
E. Szirmai ◽  
A. Zamora ◽  
M. Lewenstein
Keyword(s):  
Symmetry Breaking ◽  
Time Reversal ◽  
Gauge Fields ◽  
Honeycomb Lattice ◽  
Time Reversal Symmetry
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