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We investigate the focusing coupled PT-symmetric nonlocal nonlinear Schrodinger equation employing Darboux transformation approach. We find a family of exact solutions including pairs of Bright-Bright, Dark-Dark and Bright-Dark solitons in…

Exactly Solvable and Integrable Systems · Physics 2017-05-24 P. S. Vinayagam , R. Radha , U. Al Khawaja , Liming Ling

In the present investigation, the solutions on the periodic and double-periodic background are successfully constructed by Darboux transformation using a plane wave seed solution. Firstly, the Darboux transformation for the…

Exactly Solvable and Integrable Systems · Physics 2021-11-30 H. J. Zhou , Y. Chen

We study the stability issue in the inverse problem of determining the magnetic field and the time-dependent electric potential appearing in the Schr\"odinger equation, from boundary observations. We prove in dimension 3 or greater, that…

Analysis of PDEs · Mathematics 2017-09-13 Ibtissem Ben Aicha

To describe two-place events, Alice-Bob systems have been established by means of the shifted parity and delayed time reversal in Ref. [1]. In this paper, we mainly study exact solutions of the integrable Alice-Bob modified Korteweg…

Exactly Solvable and Integrable Systems · Physics 2024-06-04 Congcong Li , S. Y. Lou , Man Jia

A nonlocal quantum model is presented for calculating the atomic dielectric response to a strong laser electric field. By replacing the Coulomb potential with a nonlocal potential in the Schrodinger equation, a 3+1D calculation of the…

Atomic Physics · Physics 2015-06-18 T. C. Rensink , T. M. Antonsen , J. P. Palastro , D. Gordon

A new type of solution for the full 3+1 dimensional space-time Schroedinger equation is presented here. We consider elegant presentation of the exact solution in a spherical coordinate system, along with the assuming of separation of the…

General Physics · Physics 2015-12-09 Sergey V. Ershkov

We propose a procedure based on phase equivalent chains of Darboux transformations to generate local potentials satisfying the radial Schr\"odinger equation and sharing the same scattering data. For potentials related by a chain of…

Quantum Physics · Physics 2009-11-07 Boris F. Samsonov , Fl. Stancu

We study low-rank tensor methods for the numerical solution of Schr\"odinger's equation with time-independent and explicitly time-dependent Hamiltonians, motivated by large-scale simulations of many-body quantum systems and quantum…

Quantum Physics · Physics 2026-05-05 N. Anders Petersson , Chase Hodges-Heilmann , Stefanie Günther

In [1], a generalized type of Darboux transformations defined in terms of a twisted derivation was constructed in a unified form. Such twisted derivations include regular derivations, difference operators, superderivatives and…

Exactly Solvable and Integrable Systems · Physics 2014-06-06 Chun-Xia Li , Jonathan Nimmo , Shou-Feng Shen

The key questions of uniqueness and existence in time-dependent density functional theory are usually formulated only for potentials and densities that are analytic in time. Simple examples, standard in quantum mechanics, lead however to…

Materials Science · Physics 2015-05-14 Neepa T. Maitra , Tchavdar N. Todorov , Chris Woodward , Kieron Burke

The global existence of the solution for the second-type derivative nonlinear Schr\"odinger (DNLSII) equation with solitons is presented for the first time on the line with weighted Sobolev initial data in $H^2( \mathbb{R}) \cap…

Analysis of PDEs · Mathematics 2023-11-21 Xuedong Chai , Yufeng Zhang

We investigate wavepacket solutions for time-dependent Schoedinger equation in the presence of an exponentially decaying potential. Assuming for travelling wave solutions the phase to be a linear combination of the space and time…

Quantum Physics · Physics 2012-09-11 Babur M. Mirza

We present a microscopic derivation of the defocusing two-dimensional cubic nonlinear Schr\"odinger equation as a mean field equation starting from an interacting $N$-particle system of Bosons. We consider the interaction potential to be…

Mathematical Physics · Physics 2021-04-27 Maximilian Jeblick , Nikolai Leopold , Peter Pickl

We deal with the exact solutions of Schrodinger equation characterized by position-dependent effective mass via point canonical transformations. The Morse, Poschl-Teller and Hulthen type potentials are considered respectively. With the…

Quantum Physics · Physics 2007-12-27 Metin Aktas , Ramazan Sever

In this work, we extend the time-dependent conformable Schr\"odinger equation for a fractional dimensional system of N spatial coordinates to be used as an effective description of anisotropic and confined systems. A specific example is…

Quantum Physics · Physics 2025-02-11 Eqab. M. Rabei , Mohamed Ghaleb Al-Masaeed , Sami I. Muslih , Dumitru Baleanu

We study symmetry properties of the Schr\"odinger equation with the potential as a new dependent variable, i.e., the transformations which do not change the form of the class of equations. We also consider systems of the Schr\"odinger…

Mathematical Physics · Physics 2015-06-26 Wilhelm Fushchych , Zoya Symenoh , Ivan Tsyfra

By means of certain limit technique, two kinds of generalized Darboux transformations are constructed for the derivative nonlinear Sch\"odinger equation (DNLS). These transformations are shown to lead to two solution formulas for DNLS in…

Exactly Solvable and Integrable Systems · Physics 2013-08-16 Boling Guo , Liming Ling , Q. P. Liu

Algebraic Bargmann and Darboux transformations for equations of a more general form than the Schr\"odinger ones with an additional functional dependence h(r) in the right-hand side of equations are constructed. The suggested generalized…

Quantum Physics · Physics 2015-06-26 A. A. Suzko

We consider, on a trivial vector bundle over a Riemannian manifold with boundary, the inverse problem of uniquely recovering time- and space-dependent coefficients of the dynamic, vector-valued Schr\"odinger equation from the knowledge of…

Analysis of PDEs · Mathematics 2021-03-16 Alexander Tetlow

Using the algebraic approach Lie symmetries of time dependent Schroedinger equations for charged particles interacting with superpositions of scalar and vector potentials are classified. Namely, all the inequivalent equations admitting…

Mathematical Physics · Physics 2021-01-20 A. G. Nikitin