Magnetic parity violation and parity-time-reversal-symmetric magnets

Hikaru Watanabe, Youichi Yanase

Parity-time-reversal symmetry ($\mathcal{P}\mathcal{T}$ symmetry), a symmetry for the combined operations of space inversion ($\mathcal{P}$) and time reversal ($\mathcal{T}$), is a fundament…