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We are interested in massless cubic Dirac equations in two and three space dimensions, known as the Soler model. The solution to this model is known as a wave function, which has the unit $L^2$ norm. We aim to show global existence and…

Analysis of PDEs · Mathematics 2023-12-27 Shijie Dong , Kuijie Li , Jingya Zhao

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

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

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

We show that the cubic Dirac equation with zero mass is globally well-posed for small data in the scale invariant space H^{\frac{n-1}{2}}(R^n) for n=2, 3. The proof proceeds by using the Fierz identities to rewrite the equation in a form…

Analysis of PDEs · Mathematics 2015-02-25 Nikolaos Bournaveas , Timothy Candy

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 this paper we study global nonlinear stability for the Dirac-Klein-Gordon system in two and three space dimensions for small and regular initial data. In the case of two space dimensions, we consider the Dirac-Klein-Gordon system with a…

Analysis of PDEs · Mathematics 2023-03-16 Qian Zhang

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

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

In this paper we show the existence of infinitely many symmetric solutions for a cubic Dirac equation in two dimensions, which appears as effective model in systems related to honeycomb structures. Such equation is critical for the Sobolev…

Analysis of PDEs · Mathematics 2021-02-09 William Borrelli

This paper studies a class of nonlinear massless Dirac equations in one dimension, which include the equations for massless Thirring model and massless Gross-Neveu model. Under the assumptions that the initial data has small charge and is…

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

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

We are interested in four-dimensional Dirac-Klein-Gordon equations, a fundamental model in particle physics. The main goal of this paper is to establish global existence of solutions to the coupled system and to explore their long-time…

Analysis of PDEs · Mathematics 2024-07-09 Jingya Zhao

This paper investigates the \emph{massive} Maxwell-Dirac system under the Lorenz gauge condition in (4+1) dimensional Minkowski space. The focus is on establishing global existence and scattering results for small solutions on the weighted…

Analysis of PDEs · Mathematics 2023-12-22 Kiyeon Lee

Recently low-regularity behaviour of solutions to cubic Dirac equations with the Hartree-type nonlinearity has been extensively studied in somewhat a specific assumption on the structure of the nonlinearity. The key approach of previous…

Analysis of PDEs · Mathematics 2022-09-02 Seokchang Hong

We consider the porous medium equation with a power-like reaction term, posed on Riemannian manifolds. Under certain assumptions on $p$ and $m$ in (1.1), and for small enough nonnegative initial data, we prove existence of global in time…

Analysis of PDEs · Mathematics 2020-12-07 Gabriele Grillo , Giulia Meglioli , Fabio Punzo

In this work, the general form of $2\times2$ Dirac matrices for 2+1 dimension is found. In order to find this general representation, all relations among the elements of the matrices and matrices themselves are found,and the generalized…

Quantum Physics · Physics 2021-04-02 H. Moaiery , A. Chenani , A. Hakimifard , N. Tahmasebi

We show that the cubic Dirac equation, also known as the Thirring model, scatters at infinity to a linear solution modulo a phase correction.

Analysis of PDEs · Mathematics 2016-09-29 Timothy Candy , Hans Lindblad

We study the initial value problem of the Einstein-Dirac system, and show the stability of the Minkowski solution in the massless case with the use of generalized wave coordinates. This requires the understanding of the Dirac equation in…

General Relativity and Quantum Cosmology · Physics 2025-07-18 Xuantao Chen

We consider the nonlinear Dirac equations in one dimension and review various results on global existence of solutions in H1. Depending on the character of the nonlinear terms, existence of the large-norm solutions can be extended for all…

Mathematical Physics · Physics 2010-11-30 Dmitry Pelinovsky
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