
${ \mathcal P }{ \mathcal T }$-symmetry berry phases, topology and ${ \mathcal P }{ \mathcal T }$-symmetry breaking
Jinghui Pi,NingNing Sun,Rong Lü
Communications in Theoretical Physics ›› 2020, Vol. 72 ›› Issue (4) : 45102.
${ \mathcal P }{ \mathcal T }$-symmetry berry phases, topology and ${ \mathcal P }{ \mathcal T }$-symmetry breaking
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