Table 1 Symmetry operations U protecting H(φ) = H(−φ) from ref. 3

From: Spin-Orbit induced phase-shift in Bi2Se3 Josephson junctions

UH(φ)U† = H(−φ)

Broken by

P y P x

α, Vx, Vy

σ z P y P x

Bx, B, Vx, Vy

σ x P y T

Bx, α, Vy

σ y P y T

By, Vy

  1. The symmetry operations on the left column are broken by one of the parameters on the right column. These parameters include the in-plane magnetic fields Bx, By, the asymmetric disorder potentials Vx, Vy and the spin-orbit term α which is the consequence of the structural inversion asymmetry (Rashba). To generate an anomalous phase φ0, each symmetry operator, one per line of the table, must be broken. For example, the combination of the magnetic field By and the spin-orbit coupling α is enough to break all symmetries.
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