Non-hermitian physics

Y Ashida, Z Gong, M Ueda - Advances in Physics, 2020 - Taylor & Francis
A review is given on the foundations and applications of non-Hermitian classical and
quantum physics. First, key theorems and central concepts in non-Hermitian linear algebra …

Non-Hermitian photonics based on parity–time symmetry

L Feng, R El-Ganainy, L Ge - Nature Photonics, 2017 - nature.com
Nearly one century after the birth of quantum mechanics, parity–time symmetry is
revolutionizing and extending quantum theories to include a unique family of non-Hermitian …

Prediction and dynamical evolution of multipole soliton families in fractional Schrödinger equation with the PT-symmetric potential and saturable nonlinearity

WB Bo, RR Wang, Y Fang, YY Wang, CQ Dai - Nonlinear Dynamics, 2023 - Springer
The first good prediction of the multipole soliton solution for the non-integrable equation, ie,
the saturable nonlinear Schrödinger equation under the PT-symmetric potential, is achieved …

Nonlinear waves in -symmetric systems

VV Konotop, J Yang, DA Zezyulin - Reviews of Modern Physics, 2016 - APS
Recent progress on nonlinear properties of parity-time (PT)-symmetric systems is
comprehensively reviewed in this article. PT symmetry started out in non-Hermitian quantum …

[PDF][PDF] Nonlinear waves in optical and matter-wave media: a topical survey of recent theoretical and experimental results

BA Malomed, D Mihalache - Rom. J. Phys, 2019 - rjp.nipne.ro
We present a survey of some recent theoretical and experimental studies on nonlinear
waves that form and propagate in a broad class of optical and matterwave media. The article …

New topological invariants in non-Hermitian systems

A Ghatak, T Das - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Both theoretical and experimental studies of topological phases in non-Hermitian systems
have made a remarkable progress in the last few years of research. In this article, we review …

Nonlinear switching and solitons in PT‐symmetric photonic systems

SV Suchkov, AA Sukhorukov, J Huang… - Laser & Photonics …, 2016 - Wiley Online Library
One of the challenges of the modern photonics is to develop all‐optical devices enabling
increased speed and energy efficiency for transmitting and processing information on an …

Observation of optical solitons in PT-symmetric lattices

M Wimmer, A Regensburger, MA Miri, C Bersch… - Nature …, 2015 - nature.com
Controlling light transport in nonlinear active environments is a topic of considerable interest
in the field of optics. In such complex arrangements, of particular importance is to devise …

Stability analysis for solitons in -symmetric optical lattices

S Nixon, L Ge, J Yang - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
Stability of solitons in parity-time (PT)-symmetric periodic potentials (optical lattices) is
analyzed in both one-and two-dimensional systems. First we show analytically that when the …

Continuous and discrete Schrödinger systems with parity-time-symmetric nonlinearities

AK Sarma, MA Miri, ZH Musslimani… - Physical Review E, 2014 - APS
We investigate the dynamical behavior of continuous and discrete Schrödinger systems
exhibiting parity-time (PT) invariant nonlinearities. We show that such equations behave in a …