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The ${\cal PT}$ symmetric version of the generalised Ginocchio potential, a member of the general exactly solvable Natanzon potential class is analysed and its properties are compared with those of ${\cal PT}$ symmetric potentials from the…

Quantum Physics · Physics 2007-05-23 G. Levai , A. Sinha , P. Roy

A conditionally exactly solvable potential, the supersymmetric partner of the harmonic oscillator is investigated in the PT-symmetric setting. It is shown that a number of properties characterizing shape-invariant and Natanzon-class…

Quantum Physics · Physics 2009-11-10 Anjana Sinha , Geza Levai , Pinaki Roy

A recurrence relation of Riccati-type differential equations known in supersymmetric quantum mechanics is investigated to find exactly solvable potentials. Taking some simple {\it ans\"atze}, we find new classes of solvable potentials as…

High Energy Physics - Theory · Physics 2007-05-23 Dong Sup Soh , Kyung Hyun Cho , Sang Pyo Kim

Non-hermitian, $\mathcal{PT}$-symmetric Hamiltonians, experimentally realized in optical systems, accurately model the properties of open, bosonic systems with balanced, spatially separated gain and loss. We present a family of exactly…

Quantum Physics · Physics 2015-12-17 Kaustubh S. Agarwal , Rajeev K. Pathak , Yogesh N. Joglekar

The family of complex PT-symmetric sextic potentials is studied to show that for various cases the system is essentially quasi-solvable and possesses real, discrete energy eigenvalues. For a particular choice of parameters, we find that…

Quantum Physics · Physics 2009-11-06 B. Bagchi , F. Cannata , C. Quesne

In this paper, we discuss the parametric symmetries in different exactly solvable systems characterized by real or complex P T symmetric potentials. We focus our at- tention on the conventional potentials such as the generalized Poschl…

Quantum Physics · Physics 2023-07-05 Rajesh Kumar Yadav , Avinash Khare , Bijan Bagchi , Nisha Kumari , Bhabani Prasad Mandal

The generalized Sinh-Gordon potential is solved within quantum Hamiltonian Jacobi approach in the framework of PT symmetry. The quasi exact solutions of energy eigenvalues and eigenfunctions of the generalized Sinh-Gordon potential are…

Quantum Physics · Physics 2009-11-13 Ozlem Yesiltas , S. Bilge Ocak

We review recent work on the generalization of PT symmetry. We show that, in addition to PT-symmetric complex potentials, there are also large classes of non-PT-symmetric complex potentials which also feature all-real spectra. In addition,…

Mathematical Physics · Physics 2018-12-27 Jianke Yang

The recently proposed PT-symmetric quantum mechanics works with complex potentials which possess, roughly speaking, a symmetric real part and an anti-symmetric imaginary part. We propose and describe a new exactly solvable model of this…

Quantum Physics · Physics 2009-10-31 Miloslav Znojil

Multi-dimensional complex optical potentials with partial parity-time (PT) symmetry are proposed. The usual PT symmetry requires that the potential is invariant under complex conjugation and simultaneous reflection in all spatial…

Pattern Formation and Solitons · Physics 2015-06-18 Jianke Yang

We complexify one of the Natanzon's exactly solvable potentials in PT symmetric manner and discover that it supports the pairs of bound states with the same number of nodal zeros. This could indicate that the Sturm Liouville oscillation…

Quantum Physics · Physics 2009-11-07 Miloslav Znojil , Geza Levai , Pinaki Roy , Rajkumar Roychoudhury

A particle moving on a circle in a purely imaginary one-step potential is studied in both the exact and broken $PT$-symmetric regime.

Quantum Physics · Physics 2009-11-10 V. Jakubsky , M. Znojil

Closed expressions are derived for the pseudo-norm, norm and orthogonality relations for arbitrary bound states of the PT symmetric and the Hermitian Scarf II potential for the first time. The pseudo-norm is found to have indefinite sign in…

Quantum Physics · Physics 2009-11-07 G. Levai , F. Cannata , A. Ventura

A new exact analytically solvable Eckart-type potential is presented, a generalisation of the Hulthen potential. The study through Supersymmetric Quantum Mechanics is presented together with the hierarchy of Hamiltonians and the shape…

High Energy Physics - Theory · Physics 2007-05-23 Elso Drigo Filho , Regina Maria Ricotta

The fourth, missing example of an exactly solvable complex potential with PT symmetry V(x) = [V(-x)]^* defined on a bent contour and leading, at the real energies, to the Jacobi polynomial wave functions is found in a generalized Hulthen…

Mathematical Physics · Physics 2007-05-23 Miloslav Znojil

We obtained a new class of exactly-solvable potentials by means of the hypergeometric equation for Schrodinger equation, which different from the exactly-solvable potentials introduced by Bose and Natanzon. Using the new class of solvable…

Quantum Physics · Physics 2022-10-26 Wei Yang

One-dimensional PT-symmetric quantum-mechanical Hamiltonians having continuous spectra are studied. The Hamiltonians considered have the form $H=p^2+V(x)$, where $V(x)$ is odd in $x$, pure imaginary, and vanishes as $|x|\to\infty$. Five…

Quantum Physics · Physics 2020-02-12 Zichao Wen , Carl M. Bender

We develop a systematic approach to construct novel completely solvable rational potentials. Second-order supersymmetric quantum mechanics dictates the latter to be isospectral to some well-studied quantum systems. $\cal PT$ symmetry may…

Quantum Physics · Physics 2015-05-13 B. Bagchi , C. Quesne , R. Roychoudhury

We introduce the one-dimensional PT-symmetric Schrodinger equation, with complex potentials in the form of the canonical superoscillatory and suboscillatory functions known in quantum mechanics and optics. While the suboscillatory-like…

Optics · Physics 2018-11-14 Yaniv Eliezer , Alon Bahabad , Boris A. Malomed

The Parity-Time ($\mathcal{PT}$) symmetric potentials are derived by non-Hermitian supersymmetric quantum mechanics for square well and barrier. These $\mathcal{PT}$-supersymmetric square well and barrier. The partners have complex…

Quantum Physics · Physics 2020-01-28 Taha Koohrokhi
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