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We have evaluated the electromagnetic spectral function and its spectral properties by computing the one-loop photon polarization tensor in presence of magnetic field, particularly in a strong field approximation compared to the thermal…

High Energy Physics - Phenomenology · Physics 2026-04-28 Aritra Bandyopadhyay , Chowdhury Aminul Islam , Munshi G. Mustafa

We study the baryon asymmetry of the universe in the supersymmetric standard model (SSM). At the electroweak phase transition, the fermionic partners of the charged SU(2) gauge bosons and Higgs bosons are reflected from or transmitted to…

High Energy Physics - Phenomenology · Physics 2009-10-30 Mayumi Aoki , Noriyuki Oshimo , Akio Sugamoto

We report a series of Lattice-Boltzmann simulations of the sedimentation velocity of charged disks. In these simulations, we explicitly account for the hydrodynamic and electrostatic forces on disks and on their electrical double layer. By…

Soft Condensed Matter · Physics 2009-11-11 Fabrizio Capuani , Ignacio Pagonabarraga , Daan Frenkel

We investigate electroweak baryogenesis from domain walls with electroweak-symmetric cores moving through the electroweak-broken plasma. In the thick-wall regime, CP-violating semiclassical forces generate chiral asymmetries that source…

High Energy Physics - Phenomenology · Physics 2026-04-21 Jacopo Azzola , Oleksii Matsedonskyi , Andreas Weiler

It has been recently shown that the electroweak baryogenesis mechanism is feasible in Standard Model extensions containing extra fermions with large Yukawa couplings. We show here that the lightest of these fermionic fields can naturally be…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. Provenza , M. Quiros , P. Ullio

Many fundamental processes of structural changes at surfaces occur on a pico- or femtosecond time scale. In order to study such ultra-fast processes, we have combined modern surface science techniques with fs-laser pulses in a pump-probe…

Mesoscale and Nanoscale Physics · Physics 2023-12-01 Michael Horn von Hoegen

The Standard Model extended by a real scalar singlet $S$ with an approximate $\mathbb{Z}_2$ symmetry offers a minimal framework for realizing electroweak baryogenesis (EWBG) during a first-order electroweak phase transition. In this work,…

High Energy Physics - Phenomenology · Physics 2025-04-17 Jacopo Azzola , Oleksii Matsedonskyi , Andreas Weiler

Axionic domain walls, as they move through the early universe plasma during their collapse, can generate a net baryon and lepton number through the mechanism of spontaneous baryogenesis, provided that there is a coupling between the axion…

High Energy Physics - Phenomenology · Physics 2024-11-21 Alberto Mariotti , Xander Nagels , Aäron Rase , Miguel Vanvlasselaer

We calculate the baryon asymmetry produced at the electroweak phase transition by quasi-degenerate third generation sfermions in the minimal supersymmetric extension of the Standard Model. We evaluate constraints from Higgs searches, from…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jonathan Kozaczuk , Stefano Profumo , Michael J. Ramsey-Musolf , Carroll L. Wainwright

We calculate the baryon asymmetry generated at the electroweak phase transition in the minimal supersymmetric standard model, treating the particles in a WKB approximation in the bubble wall background. A set of diffusion equations for the…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. Cline , M. Joyce , K. Kainulainen

We study the effect of the domain wall on electronic transport properties in wire of ferromagnetic 3$d$ transition metals based on the linear response theory. We considered the exchange interaction between the conduction electron and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Gen Tatara

Ultrafast diffraction is the cutting-edge technique to extract the atomic temperature at femtosecond timescales, and further related quantities - in particular, electron-phonon coupling strength at elevated electronic temperatures. The…

Materials Science · Physics 2026-05-15 N. Medvedev , M. Kopecky , J. Chalupsky , L. Juha

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

Sensitive biomarker detection in physiological fluids is often limited by Debye screening, which suppresses electrostatic signals at sensor surfaces. Here we report a sensing approach based on flexoelectric resonance in silicon nanowire…

Materials Science · Physics 2026-05-01 Ang Liu , Jingsong Shang , Jiangang J. Du , Shyamsunder Erramilli , Pritiraj Mohanty

In this study we examine post-inflationary cosmologies dominated by a scalar field with the equation of state: p_phi=w_phi rho_phi (0 leq w_phi leq 1) in order to facilitate baryogenesis at the electroweak scale. We take a more conventional…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tomislav Prokopec

Polycrystalline solids can exhibit material properties that differ significantly from those of equivalent single-crystal samples, in part, because of a spontaneous redistribution of mobile point defects into so-called space-charge regions…

Computing the properties of the bubble wall of a cosmological first order phase transition at electroweak scale is of paramount importance for the correct prediction of the baryon asymmetry of the universe and the spectrum of gravitational…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-23 Marek Lewicki , Marco Merchand , Mateusz Zych

We study the dynamics of electroweak phase transition in a simple extension of the Standard Model where the Higgs sector is extended by adding an $SU(2)_L$-triplet with hypercharge Y=2. By making random scans over the parameters of the…

High Energy Physics - Phenomenology · Physics 2021-04-21 Mohammad Javad Kazemi , Shehu AbdusSalam

We investigate the effect on biomembrane mechanical properties due to the presence an external potential for a non-conductive non-compressible membrane surrounded by different electrolytes. By solving the Debye-Huckel and Laplace equations…

Soft Condensed Matter · Physics 2007-06-13 Tobias Ambjornsson , Michael A. Lomholt , Per Lyngs Hansen

The Debye-Falkenhagen differential equation is commonly used as a mean-field macroscopic model for describing electrochemical ionic drift and diffusion in dilute binary electrolytes when subjected to a suddenly applied potential smaller…

Classical Physics · Physics 2023-08-02 Anis Allagui , Georgii Paradezhenko , Anastasiia Pervishko , Dmitry Yudin , Hachemi Benaoum
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