PT-symmetric quantum oscillator in an optical cavity

被引：14
|
作者：
Longhi, S. [1 ,2 ]
机构：
[1] Politecn Milan, Dipartimento Fis, Piazza L da Vinci 32, I-20133 Milan, Italy
[2] CNR, Ist Foton & Nanotecnol, Sez Milano, Piazza L da Vinci 32, I-20133 Milan, Italy
来源：
EPL | 2016年 / 115卷 / 06期
关键词：
PARITY-TIME SYMMETRY; NOISE FACTOR; LASER; PROPAGATION; REALIZATION; SCATTERING; EVOLUTION; BEAMS;
D O I：
10.1209/0295-5075/115/61001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The quantum harmonic oscillator with parity-time (PT) 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 PT-symmetric quantum harmonic oscillator, providing an experimentally accessible system to investigate non-Hermitian coherent state propagation. Copyright (C) EPLA, 2016
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页数：7
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