PT-symmetric quantum oscillator in an optical cavity
arXiv:1608.08921 · doi:10.1209/0295-5075/115/61001
Abstract
The quantum harmonic oscillator with parity-time () symmetry, obtained from the ordinary (Hermitian) quantum harmonic oscillator by an imaginary displacement of the spatial coordinate, provides an important and exactly-solvable model to investigate non-Hermitian extension of the Ehrenfest theorem. Here it is shown that transverse light dynamics in an optical resonator with off-axis longitudinal pumping can emulate a -symmetric quantum harmonic oscillator, providing an experimentally accessible system to investigate non-Hermitian coherent state propagation.
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