① μ>γ,PT对称相(PT symmetric phase),两个实数本征值。 ② μ<γ,PT破缺相(PT broken phase),一对复共轭本征值, 分别对应非平衡系统中指数放大和指数衰减的本征态。 ③ \mu=\gamma ,奇异点,PT对称两种相态的分界点,两个本征值简并。 3. 什么是非厄米光学? ※ 封闭系统只是一种理想情况,现实中难...
这篇文章将Kane-Mele model进行相应的修改,往在位能里加入了gain and loss,从而将厄米系统变成了相应的非厄米系统,以得到复本征值,并就非厄米系统进行相应的一些研究,The resulting complex-eigenvalued edge state is robust against defects due to the topological protection.此外,In photonics, such an effect ...
New examples of (2 脳 2)-matrix quasi-exactly solvable operators are constructed with the emphasis set on PT-symmetric Hamiltonians.Yves BrihayeAncilla NininahazweBhabani PrasadJournal of Physics: A Mathematical & TheoreticalBrihaye, Y., Nininahazwe, A. and Prasad Mandal, B. (2007) PT-...
PT-Symmetric Eigenvalue Problems PT-Symmetric Quantum Mechanics PT-Symmetric Classical Mechanics PT-Symmetric Quantum Field Theory Advanced Topics in PT Symmetry: Proof of Reality for Some Simple Examples Exactly Solvable PT-Symmetric Models Kreĭn-Space Theory and PTQM PT-Symmetric Deformations of No...
Dynamics and manipulation of Airy beam in fractional system with diffraction modulation and PT-symmetric potential 作者:白小琴 指导教师:杨荣草 培养单位:物理电子工程学院 专业:无线电物理 读博感言:路虽远,行则将至。事虽难,...
Recently, Wei and his colleagues reported on a breakthrough of the asymmetric polarization switching in an anti-PT symmetric system, and applied this phenomenon as an on-chip chiral polarizer[12]. The research group makes ...
The optical properties of PT-symmetric periodic stack of the layers with balanced loss and gain are examined. We demonstrate that tunnelling phenomenon in periodic structures is connected with excitation of surface waves at the boundaries separating gain and loss regions within each unit cell and ...
By applying the higher order Darboux algorithm to an exactly solvable non-Hermitian PT symmetric potential, we obtain a hierarchy of new exactly solvable non-Hermitian PT symmetric potentials with real spectra. It is shown that the symmetry underlying the potentials so generated and the original one...
Integrable models from PT-symmetric deformations - Assis, Fring - 2009 () Citation Context ...l energies can be adapted to classical systems as well and has been used to formulate various complex extensions of nonlinear wave equations, such as the Korteweg-de Vries (KdV) and Burgers equations...
该工作以“Light-Assisted Néel Spin Currents inPT-symmetric Antiferromagnetic Semiconductors“ 发表在Physical Reviews B。 图1。a,奈尔自旋流的示意图。b, 电激发奈尔自旋流。c, 光激发反平行自旋流。d, 光激发交错自旋流。 图2。双层反铁磁CrSBr中的光激发奈尔自旋流,此时由于镜面对称性系统只保留了PT-odd...