Periodic square-well potential and spontaneous breakdown of PT-symmetry
arXiv:quant-ph/0408189 · doi:10.1023/B:CJOP.0000044010.18569.bd
Abstract
A particle moving on a circle in a purely imaginary one-step potential is studied in both the exact and broken -symmetric regime.
2nd Int. Workshop "Pseudo-Hermitian Hamiltonians in Quantum Physics"