Quantum-optical implementation of non-Hermitian potentials for asymmetric scattering

被引：4

作者：

Ruschhaupt, A. ^{[1
]}

Kiely, A. ^{[2
]}

Simon, M. A. ^{[3
]}

Muga, J. G. ^{[3
]}

机构：

[1] Univ Coll Cork, Dept Phys, Cork, Ireland

[2] Univ Coll Dublin, Sch Phys, Belfield 4, Ireland

[3] Univ Basque Country, Dept Quim Fis, Apdo 644, Bilbao 48080, Spain

来源：

PHYSICAL REVIEW A | 2020年 / 102卷 / 05期

基金：

爱尔兰科学基金会;

关键词：

UNIFIED THEORY; TIME; RECIPROCITY;

D O I：

10.1103/PhysRevA.102.053705

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Non-Hermitian, one-dimensional potentials which are also nonlocal, allow for scattering asymmetries, namely, asymmetric transmission or reflection responses to the incidence of a particle from left or right. The symmetries of the potential imply selection rules for transmission and reflection. In particular, parity-time (PT) symmetry or the symmetry of any local potential do not allow for asymmetric transmission. We put forward a feasible quantum-optical implementation of non-Hermitian, nonlocal, non-PT potentials to implement different scattering asymmetries, including transmission asymmetries.

引用

页数：10

共 54 条

[1] Symmetries of (NxN) non-Hermitian Hamiltonian matrices [J].