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A first order electroweak phase transition probes physics beyond the Standard Model on multiple frontiers and therefore is of immense interest for theoretical exploration. We conduct a model-independent study of the effects of relevant…

High Energy Physics - Phenomenology · Physics 2024-08-20 Upalaparna Banerjee , Sabyasachi Chakraborty , Suraj Prakash , Shakeel Ur Rahaman

A discussion of the influence of boundaries and scalar field interactions in the non-perturbative dynamics of fermions in an external magnetic field, along with their possible applications to condensed matter and cosmology, is briefly…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vivian de la Incera

In 2+1 dimensions, the evolution of flow under the influence of an external electromagnetic field is simulated. The external electromagnetic field is exponentially decaying with time. Under the same initial conditions, flow evolution with…

Nuclear Theory · Physics 2017-05-24 Bohao Feng , Zeyan Wang

We study a theory less explored in the literature, that of a massive abelian gauge boson interacting with a massless fermion. In this framework we calculate the electromagnetic potentials created by a point like massless charge. We…

High Energy Physics - Phenomenology · Physics 2020-06-25 Renata Jora

The high-temperature plasma above the electroweak scale $\sim 100$ GeV may have contained a primordial hypercharge magnetic field whose anomalous coupling to the fermions induces a transformation of the hypermagnetic energy density into…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Giovannini , M. E. Shaposhnikov

We have considered the possibility of a slowly rotating wormhole surrounded by a cloud of charged particles. Due to slow rotation of the wormhole, the charged particles are dragged thereby producing an electromagnetic field. We have…

Astrophysics · Physics 2014-11-18 Mubasher Jamil

Primordial magnetic fields may be created in collisions of expanding bubbles in a first-order cosmological phase transition and later serve as seed fields for galactic magnetic fields. Here I present results from numerical and analytical…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ola Tornkvist

We present the results of our large scale 4-dimensional (4d) lattice simulations for the MSSM electroweak phase transition (EWPT). We carried out infinite volume and continuum limit extrapolations and found a transition whose strength…

High Energy Physics - Phenomenology · Physics 2017-08-23 F. Csikor , Z. Fodor , P. Hegedus , A. Jakovac , S. D. Katz , A. Piroth

The dependences between the parameters of the Lightning discharge in the leader phase and the return stroke phase are obtained. It is shown that the peak values of the electric field created by lightning are determined by the parameters of…

Plasma Physics · Physics 2019-09-17 N. I. Petrov , G. N. Petrova

At electromagnetic interactions of particles there arises defect of masses, i.e. the energy is liberated since the particles of the different charges are attracted. It is shown that this change of the effective mass of a particle in the…

Quantum Physics · Physics 2007-05-23 Kh. M. Beshtoev

We study particle - antiparticle pair production under action of a strong time dependent space homogeneous electric field at the presence of a collinear constant magnetic field. We derive the kinetic equation for a such field configuration…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. V. Tarakanov , A. V. Reichel , S. A. Smolyansky , S. M. Schmidt , D. V. Vinnik

We show that in the presence of large scale primordial hypermagnetic fields, it is possible to generate an axial asymmetry for a first order electroweak phase transition. This happens during the reflection and transmission of fermions off…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Ayala , J. Besprosvany , G. Pallares , G. Piccinelli

Using lattice techniques we investigate the generation of long range cosmological magnetic fields during a cold electroweak transition. We will show how magnetic fields arise, during bubble collisions, in the form of magnetic strings. We…

High Energy Physics - Lattice · Physics 2009-04-14 A. Diaz-Gil , J. Garcia-Bellido , M. Garcia Perez , A. Gonzalez-Arroyo

It is shown that there are exact solutions of the free Maxwell equations (FME) in vacuum allowing an existence of stable spherical formations of the free magnetic field and ring-like formations of the free electric field. It is detected…

General Physics · Physics 2009-11-11 Andrew E. Chubykalo , Augusto Espinoza

One mechanism for generating a baryon asymmetry at the electroweak phase transition involves propagation of particle asymmetries generated by reflection from the bubble walls into the unbroken phase. Hitherto attention has focussed on top…

High Energy Physics - Phenomenology · Physics 2010-11-01 Michael Joyce , Tomislav Prokopec , Neil Turok

In this Letter we reanalyse the question of the origin of magnetic fields during the electroweak phase transition. We show that their formation is intimately connected to some semiclassical configurations of the gauge fields, such as…

High Energy Physics - Phenomenology · Physics 2009-10-30 Dario Grasso , Antonio Riotto

We compute the electromagnetic field created by an ultrarelativistic charged particle in vacuum at distances comparable to the particle Compton wavelength. The wave function of the particle is governed by the Klein-Gordon equation, for a…

Nuclear Theory · Physics 2018-03-14 Balthazar Peroutka , Kirill Tuchin

We review the motivation for, lattice results on, and some implications of, external magnetic fields present at the time of the cosmological electroweak phase transition.

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Laine

A new geometrical perturbation scheme is developed in order to calculate the electromagnetic fields produced by charged sources in prescribed motion moving in a non-straight perfectly conducting beam pipe. The pipe is regarded as a…

Accelerator Physics · Physics 2015-05-13 Shin-itiro Goto , Robin W Tucker

We compute the electromagnetic fields generated in relativistic heavy-ion collisions using the iEBE-VISHNU framework. We calculated the incremental drift velocity from the possible four sources of the electric force (coulomb, Lorentz,…

Nuclear Theory · Physics 2021-07-06 Tewodros Gezhagn , A. K. Chaubey