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Related papers: Bilinear virial identities and applications

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Strichartz estimates are derived from $\ell^2$-decoupling for phase functions satisfying a curvature condition. Bilinear refinements without loss in the high frequency are discussed. Estimates are established from uniform curvature…

Analysis of PDEs · Mathematics 2021-06-15 Robert Schippa

The nonlinear Schrodinger equation on the half line with mixed boundary condition is investigated. After a brief introduction to the corresponding classical boundary value problem, the exact second quantized solution of the system is…

High Energy Physics - Theory · Physics 2009-10-31 M. Gattobigio , A. Liguori , M. Mintchev

The intertwining operator technique is applied to difference Schroedinger equations with operator-valued coefficients. It is shown that these equations appear naturally when a discrete basis is used for solving a multichannel Schroedinger…

Quantum Physics · Physics 2009-11-10 L. M. Nieto , B. F. Samsonov , A. A. Suzko

We study the properties of the ground state of Nonlinear Schr\"odinger Equations with spatially inhomogeneous interactions and show that it experiences a strong localization on the spatial region where the interactions vanish. At the same…

Pattern Formation and Solitons · Physics 2015-05-13 Victor M. Perez-Garcia , Rosa Pardo

In this paper we establish of the Wiener criterion for solution the mixed boundary problem for nonlinear elliptic equation of second order.

Mathematical Physics · Physics 2009-06-11 Tair Gadjiev , Sardar Aliev , Rafig Rasulov

Binary symmetry constraints are applied to the nonlinearization of spectral problems and adjoint spectral problems into so-called binary constrained flows, which provide candidates for finite-dimensional Liouville integrable Hamiltonian…

Exactly Solvable and Integrable Systems · Physics 2009-09-25 Wen-Xiu Ma

In this note, we generalize the nonlinearity-recovery result in [7] for classical cubic nonlinear Schr\"odinger equations to higher-order Schr\"odinger equations with a more general nonlinearity. More precisely, we consider a…

Analysis of PDEs · Mathematics 2023-10-23 Zachary Lee , Xueying Yu

We analyze the dispersive properties of a Dirac system perturbed with a magnetic field. We prove a general virial identity; as applications, we obtain smoothing and endpoint Strichartz estimates which are optimal from the decay point of…

Analysis of PDEs · Mathematics 2009-12-18 Nabile Boussaid , Piero D'Ancona , Luca Fanelli

We study the defocusing nonlinear Schr\"odinger equation in three space dimensions. We prove that any radial solution that remains bounded in the critical Sobolev space must be global and scatter. In the energy-supercritical setting, we…

Analysis of PDEs · Mathematics 2015-01-16 Jason Murphy

Necessary and sufficient conditions for existence of boundary value problem of Schrodinger equation are obtained in linear and nonlinear cases. Periodic analytical solutions are represented using generalized Green's operator

Mathematical Physics · Physics 2012-09-04 A. A. Boichuk , A. A. Pokutnyi

In this paper, we prove new Strichartz estimates for linear Schrodinger equations posed on d-dimensional irrational tori. Then, we use these estimates to prove subcritical and critical local well-posedness results for nonlinear Schrodinger…

Analysis of PDEs · Mathematics 2014-03-11 Zihua Guo , Tadahiro Oh , Yuzhao Wang

In this note, we present two new identities for derangements. As a corollary, we have a combinatorial proof of the irreducibility of the standard representation of symmetric groups.

Combinatorics · Mathematics 2007-05-23 Le Anh Vinh

We report the first application of complex symmetric wavelets to the numerical simulation of a nonlinear signal propagation model. This model is the so-called nonlinear Schrodinger equation that describes, for instance, the evolution of the…

comp-gas · Physics 2008-02-03 L. Gagnon , J. M. Lina , B. Goulard

In this paper, we acquire the soliton solutions of the nonlinear Schrodinger's equation with dual power-law nonlinearity. Primiraly, we use the extended trial equation method to find exact solutions of this equation. Then, we attain some…

Mathematical Physics · Physics 2016-06-29 Hasan Bulut , Yusuf Pandir , Seyma Tuluce Demiray

We establish the existence of a nontrivial weak solution to strongly indefinite asymptotically linear and superlinear Schr\"odinger equations. The novelty is to identify the essential relation between the spectrum of the operator and the…

Analysis of PDEs · Mathematics 2019-02-22 Mayra Soares Costa Rodrigues , Liliane A. Maia

We study the quantum mechanics of the derivative nonlinear Schrodinger equation which has appeared in many areas of physics and is known to be classically integrable. We find that the N-body quantum problem is exactly solvable with both…

Statistical Mechanics · Physics 2008-02-03 Diptiman Sen

The virial theorem is a nice property for the linear Schrodinger equation in atomic and molecular physics as it gives an elegant ratio between the kinetic and potential energies and is useful in assessing the quality of numerically computed…

Analysis of PDEs · Mathematics 2016-08-23 Tai-Chia Lin , Milivoj R. Belic , Milan S. Petrovic , Hichem Hajaiej , Goong Chen

We discuss the existence of solutions of nonlinear problem involving,two critical Sobolev exponents. we will ll out the su cient conditions to nd solutions for the problem in presence of a nonlinear Neumann boundary data with a critical…

Analysis of PDEs · Mathematics 2014-01-21 Rejeb Hadiji , Habib Yazidi

A method is presented to construct exactly solvable nonlinear extensions of the Schr\"odinger equation. The method explores a correspondence which can be established under certain conditions between exactly solvable ordinary Schr\"odinger…

Quantum Physics · Physics 2023-04-04 Tom Dodge , Peter Schweitzer

In this paper we solve combinatorial and algebraic problems associated with a multivariate identity first considered by S. Sherman wich he called an analog to the Witt identity. We extend previous results obtained for the univariante case.

Combinatorics · Mathematics 2013-02-19 G. A. T. F. da Costa , G. A. Zimmermann