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We consider the cubic defocusing nonlinear Schr\"odinger equation in one dimension with the nonlinearity concentrated at a single point. We prove global well-posedness in the scaling-critical space $L^2(\mathbb{R})$ and scattering for all…

Analysis of PDEs · Mathematics 2025-07-22 Benjamin Harrop-Griffiths , Rowan Killip , Monica Visan

In this paper, we consider the energy critical nonlinear Schr\"odinger equation with a repulsive inverse square potential. In particular, we deal with radial initial data, whose energy is equal to the energy of static solution to the…

Analysis of PDEs · Mathematics 2023-02-13 Masaru Hamano , Masahiro Ikeda

We solved the one-dimensional position-dependent mass Dirac equation in the presence of the cusp potential and reported the solutions in terms of the Whittaker functions. We have derived the reflection and transmission coefficients by…

Nuclear Theory · Physics 2016-10-25 M. Chabab , A. El Batoul , H. Hassanabadi , M. Oulne , S. Zare

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 paper, we consider the existence and the asymptotic completeness of the wave operators for Schrodinger equations with time-dependent potentials which are short-range in space.

Analysis of PDEs · Mathematics 2015-02-26 Taisuke Yoneyama , Keiichi Kato

A solution of the scattering problem is obtained for the Schr\"odinger equation with the potential of induced dipole interaction, which decreases as the inverse square of the distance. Such a potential arises in the collision of an incident…

Atomic Physics · Physics 2023-08-23 V. A. Gradusov , S. L. Yakovlev

We build an efficient and unitary (hence stable) method for the solution of the semi-classical Schr\"odinger equation subject with explicitly time-dependent potentials. The method is based on a combination of the Zassenhaus decomposition…

Numerical Analysis · Mathematics 2016-02-12 Philipp Bader , Arieh Iserles , Karolina Kropielnicka , Pranav Singh

Effective mass Klein-Gordon equation for the asymmetric Hulth{\'e}n potential is solved in terms of hypergeometric functions. Results are obtained for the scattering and bound states with the position dependent mass and constant mass, as a…

Mathematical Physics · Physics 2015-06-11 Oktay Aydoğdu , Altug Arda , Ramazan Sever

We consider a class of nonlinear Schr\"odinger equations with potential \[ i\partial_t u +\Delta u - Vu = \pm |u|^\alpha u, \quad (t,x) \in \mathbb{R} \times \mathbb{R}^3, \] where $\frac{4}{3}<\alpha<4$ and $V$ is a Kato-type potential. We…

Analysis of PDEs · Mathematics 2020-10-20 Van Duong Dinh

In this paper, we search the dependence of some statistical quantities such as the free energy, the mean energy, the entropy, and the specific heat for the Schr\"odinger equation on the temperature, particularly the case of a non-central…

Quantum Physics · Physics 2016-09-27 Altug Arda , Cevdet Tezcan , Ramazan Sever

In this paper, we consider the defocusing mass-supercritical, energy-subcritical nonlinear Schr\"odinger equation, $$ i\partial_{t}u+\Delta u= |u|^p u, \quad (t,x)\in \mathbb R^{d+1}, $$ with $p\in (\frac4d,\frac4{d-2})$. We prove that…

Analysis of PDEs · Mathematics 2021-03-04 Marius Beceanu , Qingquan Deng , Avy Soffer , Yifei Wu

The study of the Schr\"{o}dinger equation with the position-dependent effective mass has attracted a lot of attention, due to its applications in many fields of physics, including the properties of the semiconductors, semiconductor…

Quantum Physics · Physics 2021-03-22 Tiberiu Harko , Man Kwong Mak

This is the third part of a paper about non-relativistic Schroedinger theory on q-deformed quantum spaces like the braided line or the three-dimensional q-deformed Euclidean space. Propagators for the free q-deformed particle are derived…

Quantum Physics · Physics 2007-05-23 Hartmut Wachter

We investigate an energy-subcritical defocusing nonlinear Schr\"odinger equation in $\mathbb R^3$ subject to a lower order nonlinear trapping potential and a spatially dependent nonlinear damping: \begin{equation*} i\partial_t u + \Delta u…

Analysis of PDEs · Mathematics 2026-03-13 David Lafontaine , Boris Shakarov

Using a generalized transfer matrix method we exactly solve the Schr\"odinger equation in a time periodic potential, with discretized Euclidean space-time. The ground state wave function propagates in space and time with an oscillating…

Condensed Matter · Physics 2009-10-28 Stefano Galluccio , Yi-Cheng Zhang

By minimizing the difference between the left- and the right-hand sides of the many-body time-dependent Schr\"{o}dinger equation with the Slater-determinant wave-function, we derive a non-adiabatic and self-interaction free time-dependent…

Quantum Physics · Physics 2013-04-26 V. U. Nazarov

In a recent paper by Jafarov, Nagiyev, Oste and Van der Jeugt (2020 {\sl J.\ Phys.\ A} {\bf 53} 485301), a confined model of the non-relativistic quantum harmonic oscillator, where the effective mass and the angular frequency are dependent…

Quantum Physics · Physics 2021-08-19 C. Quesne

This paper is concerned with the final state problem for the homogeneous type nonlinear Schr\"odinger equation with time-decaying harmonic potential. The nonlinearity has the critical order and is not necessarily the form of a polynomial.…

Analysis of PDEs · Mathematics 2024-03-07 Masaki Kawamoto , Hayato Miyazaki

In this paper, we consider a class of the defocusing inhomogeneous nonlinear Schr\"odinger equation \[ i\partial_t u + \Delta u - |x|^{-b} |u|^\alpha u = 0, \quad u(0)=u_0 \in H^1, \] with $b, \alpha>0$. We firstly study the decaying…

Analysis of PDEs · Mathematics 2017-10-17 Van Duong Dinh

We show how the Laplace transform can be used to give a solution of the time-dependent Schr\"odinger equation for an arbitrary initial wave packet if the solution of the stationary equation is known. The solution is obtained without summing…

Quantum Physics · Physics 2016-08-01 Natascha Riahi