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Related papers: The Yukawa potential under weak magnetic field

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The existence of plasma oscillations at multiples of the magnetoplasmon frequency in a strongly coupled two-dimensional magnetized Yukawa plasma is reported, based on extensive molecular dynamics simulations. These modes are the analogues…

Plasma Physics · Physics 2015-05-18 M. Bonitz , Z. Donko , T. Ott , H. Kaehlert , P. Hartmann

By solving the gap equation in the quenched, ladder approximation for an Abelian gauge model with Yukawa interaction in the presence of a constant magnetic field, we show that the Yukawa interactions enhance the dynamical generation of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Efrain J. Ferrer , Vivian de la Incera

We investigate the modification of the pion self-energy at finite temperature due to its interaction with a low-density, isospin-symmetric nuclear medium embedded in a constant magnetic background. To one loop, for fixed temperature and…

Nuclear Theory · Physics 2013-12-10 Giuseppe Colucci , Eduardo S. Fraga , Armen Sedrakian

We obtain constraints on parameters of the Yukawa-type corrections to Newton's gravitational law from measurements of the gradient of the Casimir force between surfaces coated with ferromagnetic metal Ni and from measurements of the Casimir…

General Relativity and Quantum Cosmology · Physics 2013-07-17 G. L. Klimchitskaya , U. Mohideen , V. M. Mostepanenko

The recent ideas that the gravitational and gauge interactions become united at the weak scale lead to Yukawa-type corrections to the Newtonian gravitational law at small distances. We briefly summarize the best constraints on these…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. M. Mostepanenko , M. Novello

We study electric potential of a charge placed in a strong magnetic field B>>4.4x10^{13}G, as modified by the vacuum polarization. In such field the electron Larmour radius is much less than its Compton length. At the Larmour distances a…

Astrophysics · Physics 2009-06-23 Anatoly E. Shabad , Vladimir V. Usov

Thermally excited phonon spectra of 2D Yukawa solids and liquids in the presence of an external magnetic field are studied using computer simulations. Special attention is paid to the variation of wave spectra in terms of several key…

Plasma Physics · Physics 2009-07-21 L. J. Hou , P. K. Shukla , A. Piel , Z. L. Miskovic

We analyze the acoustic collective excitations in two- and three-dimensional binary Yukawa systems, consisting of two components with different masses. Theoretical analysis reveals a profound difference between the weakly and strongly…

Plasma Physics · Physics 2012-08-07 Gabor J. Kalman , Zoltán Donkó , Peter Hartmann , Kenneth I. Golden

We use the assumption of electric-magnetic duality to express the heavy quark potential in QCD in terms of a Wilson Loop $W_{eff}(\Gamma)$ determined by the dynamics of a dual theory which is weakly coupled at long distances. The classical…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Baker

In the framework of Nambu--Jona-Lasinio model beyond mean field approximation, the effects of pion fluctuations on (inverse) magnetic catalysis and magnetic susceptibility are studied. The negative magnetic susceptibility at low temperature…

High Energy Physics - Phenomenology · Physics 2024-09-10 Jie Mei , Rui Wen , Shijun Mao , Mei Huang , Kun Xu

We obtain constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constant of axionlike particles to nucleons following from the experiment on measuring the Casimir force between an Au-coated microsphere…

High Energy Physics - Phenomenology · Physics 2020-06-05 G. L. Klimchitskaya , P. Kuusk , V. M. Mostepanenko

Constraints for the constants of hypothetical Yukawa-type corrections to the Newtonian gravitational potential are obtained from analysis of neutron scattering experiments. Restrictions are obtained for the interaction range between…

High Energy Physics - Phenomenology · Physics 2009-11-11 Yu. N. Pokotilovski

A number of modified gravity theories (e.g., $f(R)$-gravity) lead to a Yukawa-like metric in the weak field limit which can be described by two Yukawa parameters, i.e., the strength $\kappa$ and the length scale $\lambda$. The S-stars,…

General Relativity and Quantum Cosmology · Physics 2024-02-05 Yuan Tan , Youjun Lu

A detailed discussion of the long-range one-pion exchange (Yukawa potential) contribution to the 2S hyperfine splitting in muonic hydrogen which had, until recently, been disregarded is presented. We evaluate the relevant vertex amplitudes,…

High Energy Physics - Phenomenology · Physics 2016-06-15 Nguyen Thu Huong , Emi Kou , Bachir Moussallam

A universal mechanism for strong magnetic-field effects of nonmagnetic organic semiconductors is presented. A weak magnetic field (less than hundreds mT) can substantially change the charge carrier hopping coefficient between two…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 X. R. Wang , S. J. Xie

The theoretical implications of an electron Yukawa modification are considered in the context of a possible Higgs pole run at FCC-ee, aimed at bounding this coupling. We start from an effective field theory viewpoint, considering the impact…

High Energy Physics - Phenomenology · Physics 2025-11-05 Lukas Allwicher , Matthew McCullough , Sophie Renner , Duncan Rocha , Benjamin Smith

In its weak field limit, Scalar-tensor-vector gravity theory introduces a Yukawa-correction to the gravitational potential. Such a correction depends on the two parameters, $\alpha$ which accounts for the modification of the gravitational…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-30 Ivan De Martino , Mariafelicia De Laurentis

Many alternative theories of gravity screens a Yukawa-type potential. This article shows Keplerian-type parametrization as a solution of Yukawa type potential accurate equations of motion for two non-spinning compact objects moving in an…

General Relativity and Quantum Cosmology · Physics 2022-08-02 David Benisty

The possibility of radiatively generated fermion masses arising from chiral flavor violation in soft supersymmetry-breaking terms is explored. Vacuum stability constraints are considered in various classes of models, and allow in principle…

High Energy Physics - Phenomenology · Physics 2010-04-06 Francesca Borzumati , Glennys R. Farrar , Nir Polonsky , Scott Thomas

In this work we study the dynamical generation of a fermion mass induced by a constant and uniform external magnetic field in an Abelian gauge model with a Yukawa term. We show that the Yukawa coupling not only enhances the dynamical…

High Energy Physics - Theory · Physics 2009-10-31 Efrain J. Ferrer , Vivian de la Incera