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Related papers: Soliton pair creation in classical wave scattering

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We propose general semiclassical method for computing the probability of soliton-antisoliton pair production in particle collisions. The method is illustrated by explicit numerical calculations in (1+1)-dimensional scalar field model. We…

High Energy Physics - Theory · Physics 2011-08-22 S. V. Demidov , D. G. Levkov

We develop a consistent semiclassical method to calculate the probability of topological soliton-antisoliton pair production in collisions of elementary particles. In our method one adds an auxiliary external field pulling the soliton and…

High Energy Physics - Theory · Physics 2015-11-18 S. V. Demidov , D. G. Levkov

We study the creation of solitons from particles, using the $\lambda \phi^4$ model as a prototype. We consider the scattering of small, identical, wave pulses, that are equivalent to a sequence of particles, and find that kink-antikink…

High Energy Physics - Theory · Physics 2008-11-26 Sourish Dutta , D. A. Steer , Tanmay Vachaspati

We study numerically classical collisions of waves in $\lambda\phi^4$ theory. These processes correspond to multiparticle scattering in the semiclassical regime. Parametrizing initial and final wavepackets by energy $E$ and particle numbers…

High Energy Physics - Phenomenology · Physics 2018-12-10 S. V. Demidov , B. R. Farkhtdinov

We use wave packet mode quantization to compute the creation of massless scalar quantum particles in a colliding plane wave spacetime. The background spacetime represents the collision of two gravitational shock waves followed by trailing…

General Relativity and Quantum Cosmology · Physics 2009-10-22 Miquel Dorca , Enric Verdaguer

It is an open fundamental question how the classical appearance of our environment arises from the underlying quantum many-body theory. We propose that phenomena involved in the quantum-to-classical transition can be probed in collisions of…

Quantum Physics · Physics 2024-04-02 A. Sreedharan , S Kuriyattil , S. Choudhury , R. Mukherjee , A. Streltsov , S. Wüster

The collective production of electron-positron pairs by electrostatic waves in quantum plasmas is investigated. In particular, a semi-classical governing set of equation for a self-consistent treatment of pair creation by the Schwinger…

Quantum Physics · Physics 2007-05-23 M. Marklund , B. Eliasson , P. K. Shukla , L. Stenflo , M. E. Dieckmann , M. Parviainen

It is well known that massive black holes may form through the gravitational collapse of a massive astrophysical body. Less known is the fact that a black hole can be produced by the quantum process of pair creation in external fields.…

General Relativity and Quantum Cosmology · Physics 2017-08-23 Oscar J. C. Dias

The one-dimensional Klein-Gordon equation is investigated with the most general Lorentz structure for the external potentials. The analysis of the scattering of particles in a step potential with an arbitrary mixing of vector and scalar…

Quantum Physics · Physics 2008-11-26 Tatiana R. Cardoso , Antonio S. de Castro

The exact solutions of the wave equation for arbitrary spin particles in the field of the soliton-like electric impulse were obtained. The differential probability of pair production of particles by electromagnetic fields has been evaluated…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. I. Kruglov

The process of nonlinear electron-positron pair production by an electron colliding with an arbitrary plane wave electromagnetic field (nonlinear trident pair production) is studied analytically and numerically. Special emphasis is put on…

High Energy Physics - Phenomenology · Physics 2018-12-19 F. Mackenroth , A. Di Piazza

The three-wave resonant interaction equations are a non-dispersive system of partial differential equations with quadratic coupling describing the time evolution of the complex amplitudes of three resonant wave modes. Collisions of wave…

Mathematical Physics · Physics 2017-06-28 Robert J. Buckingham , Robert M. Jenkins , Peter D. Miller

A large body of experimental evidence suggests that the decay of the false vacuum, accompanied by quantum pair creation of soliton domain walls, can occur in a variety of condensed matter systems. Examples include nucleation of charge…

Strongly Correlated Electrons · Physics 2008-11-26 J. H. Miller , G. Cardenas , A. Garcia-Perez , W. More , A. W. Beckwith

We explore the classical production of solitons in the easy axis O(3) model in 1+1 dimensions, for a wide range of initial conditions that correspond to the scattering of small breathers. We characterize the fractal nature of the region in…

High Energy Physics - Theory · Physics 2013-06-11 Henry Lamm , Tanmay Vachaspati

We examine the phenomenon of electron-positron pair production from vacuum in a combination of two counterpropagating electromagnetic pulses having a duration of the order of the Compton time. We show that in this extreme short-time domain,…

High Energy Physics - Phenomenology · Physics 2024-11-19 I. A. Aleksandrov , N. N. Rosanov

Electron-positron pair production is considered in the relativistic collision of a nucleus and an anti-nucleus, in which both leptons are created in bound states of the corresponding nucleus-lepton system. Compared to free and bound-free…

Atomic Physics · Physics 2014-11-20 A. B. Voitkiv , B. Najjari , A. Di Piazza

We employ the recently developed worldline numerics, which combines string-inspired field theory methods with Monte-Carlo techniques, to develop an algorithm for the computation of pair-production rates in scalar QED for inhomogeneous…

High Energy Physics - Phenomenology · Physics 2009-11-11 Holger Gies , Klaus Klingmuller

Dynamical process of the formation of a soliton pair from a photogenerated electron-hole pair in polyacetylene is studied numerically by adopting the SSH Hamiltonian. A weak local disorder is introduced in order to trigger the formation.…

Condensed Matter · Physics 2009-10-31 Yukio Hirano , Yoshiyuki Ono

Ultra strong electromagnetic fields can lead to spontaneous creation of single or multiple electron-positron pairs. A quantum field theoretical treatment of the pair creation process combined with numerical methods provides a description of…

Quantum Physics · Physics 2016-07-26 Anton Wöllert , Heiko Bauke , Christoph H. Keitel

Electron-positron pair production in an oscillating Sauter potential is investigated in the framework of the computational quantum field theory. It is found that for a Sauter potential well with oscillating width and depth simultaneously,…

Quantum Physics · Physics 2019-09-04 Li Wang , Binbing Wu , Baisong Xie
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