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Related papers: Cubic Dirac equations with a class of large data

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We are interested in the cubic Dirac equation with mass $m \in [0, 1]$ in two space dimensions, which is also known as the Soler model. We conduct a thorough study on this model with initial data sufficiently small in high regularity…

Analysis of PDEs · Mathematics 2021-11-09 Shijie Dong , Kuijie Li

We study the spectral stability of solitary wave solutions to the nonlinear Dirac equation in one dimension. We focus on the Dirac equation with cubic nonlinearity, known as the Soler model in (1+1) dimensions and also as the massive…

Mathematical Physics · Physics 2013-03-06 Gregory Berkolaiko , Andrew Comech

In the present work, we consider the existence, stability, and dynamics of solitary waves in the nonlinear Dirac equation. We start by introducing the Soler model of self-interacting spinors, and discuss its localized waveforms in one, two,…

Pattern Formation and Solitons · Physics 2018-12-10 J. Cuevas-Maraver , N. Boussaïd , A. Comech , R. Lan , P. G. Kevrekidis , A. Saxena

We are interested in the cubic Dirac equation in two space dimensions. We establish the small data global existence and sharp pointwise decay results for general cubic nonlinearities without additional structure. We also prove the…

Analysis of PDEs · Mathematics 2023-03-14 Qian Zhang

This paper is devoted to the investigation of long-time behaviour of solutions to wave equations with quadratic nonlinearity and cubic Dirac equations with Hartree-type nonlinearity. We consider the nonlinearity here with enough simplicity…

Analysis of PDEs · Mathematics 2022-07-07 Seokchang Hong

This paper studies a class of nonlinear Dirac equations with cubic terms in $R^{1+1}$, which include the equations for the massive Thirring model and the massive Gross-Neveu model. Under the assumptions that the initial data has small…

Analysis of PDEs · Mathematics 2013-04-09 Yongqian Zhang

For the nonlinear Dirac equation with scalar self-interaction (the Soler model) in three spatial dimensions, we consider the linearization at solitary wave solutions and find the invariant spaces which correspond to different spherical…

Analysis of PDEs · Mathematics 2024-12-31 Nabile Boussaïd , Andrew Comech , Niranjana Kulkarni

This paper studies a class of nonlinear Dirac equations with cubic terms in $R^{1+1}$, which include the equations for the massive Thirring model and the massive Gross-Neveu model. Under the assumption that the initial data has bounded…

Analysis of PDEs · Mathematics 2014-07-17 Yongqian Zhang , Qin Zhao

Massive and massless Dirac equations with Lorentz-covariant cubic nonlinearities are considered in spatial dimension $d=2,3$. Global well-posedness of the Cauchy problem for small initial data in scale-invariant Sobolev spaces and…

Analysis of PDEs · Mathematics 2023-08-24 Timothy Candy , Sebastian Herr

We are interested in coupled semi-linear wave equations satisfying the null condition in two space dimensions, a basic model in nonlinear wave equations. Our aim is to establish global existence of smooth solutions to this system with large…

Analysis of PDEs · Mathematics 2025-07-21 Bingbing Ding , Shijie Dong , Gang Xu

In this paper, we are interested in the two-dimensional Dirac-Klein-Gordon system, which is a basic model in particle physics. We investigate the global behaviors of small data solutions to this system in the case of a massive scalar field…

Analysis of PDEs · Mathematics 2022-05-25 Shijie Dong , Kuijie Li , Yue Ma , Xu Yuan

This paper studies the large time behavior of solution for a class of nonlinear massless Dirac equations in $R^{1+1}$. It is shown that the solution will tend to travelling wave solution when time tends to infinity.

Analysis of PDEs · Mathematics 2018-08-10 Yongqian Zhang , Qin Zhao

We present some results obtained in collaboration with prof. Piero D'Ancona concerning global existence for the 3D cubic non linear massless Dirac equation with a potential for small initial data in $H^1$ with slight additional assumptions.…

Analysis of PDEs · Mathematics 2013-01-30 Federico Cacciafesta

We study the long-time behavior of small and large solutions to a broad class of nonlinear Dirac-type equations. Our results are classified in 1D massless and massive cases, 3D general and $n$ dimensional in generality. In the 1D massless…

Analysis of PDEs · Mathematics 2026-04-09 Sebastian Herr , Christopher Maulén , Claudio Muñoz

We consider semilinear wave equations with small initial data in two space dimensions. For a class of wave equations with cubic nonlinearity, we show the global existence of small amplitude solutions, and give an asymptotic description of…

Analysis of PDEs · Mathematics 2011-11-21 Soichiro Katayama , Daisuke Murotani , Hideaki Sunagawa

For arbitrarily large initial data in an open set defined by an approximate Majorana condition, global existence and scattering results for solutions to the Dirac equation with Soler-type nonlinearity and the Dirac-Klein-Gordon system in…

Analysis of PDEs · Mathematics 2018-09-17 Timothy Candy , Sebastian Herr

The two-body Dirac equation with general local potential is reduced to the pair of ordinary second-order differential equations for radial components of a wave function. The class of linear + Coulomb potentials with complicated spin-angular…

High Energy Physics - Phenomenology · Physics 2008-12-19 Askold Duviryak

The aim of this article is to prove the existence of a new class of solutions of 1D cubic NLS with an initial data related to a sum of Dirac masses, of critical regularity $F(L^\infty)$, and belonging to $\dot H^s$ for any $s <-1/2$. This…

Analysis of PDEs · Mathematics 2025-11-27 Anatole Guérin

We consider the nonlinear Dirac equation in one dimension, also known as the Soler model in (1+1) dimensions, or the massive Gross-Neveu model: $i\partial_t\psi=-i\alpha\partial_x\psi+m\beta\psi-f(\psi^\ast\beta\psi)\beta\psi$,…

Analysis of PDEs · Mathematics 2012-07-17 Andrew Comech

We study solutions to the Dirac equation in Minkowski space $\mathbb{R}^{1,d+1}$ that transform as $d$-dimensional conformal primary spinors under the Lorentz group $SO(1,d+1)$. Such solutions are parameterized by a point in $\mathbb{R}^d$…

High Energy Physics - Theory · Physics 2020-11-26 Lorenzo Iacobacci , Wolfgang Mück
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