English
Related papers

Related papers: DC vacuum breakdown in an external magnetic field

200 papers

Vacuum polarization effects in the cosmic string background are considered. We find that a current is induced in the vacuum of the quantized massive scalar field and that the current circulates around the string which is generalized to a…

High Energy Physics - Theory · Physics 2009-11-18 Yu. A. Sitenko , N. D. Vlasii

Neutrino-pair exchange induces a neutrino force that can drive dark matter (DM) self-interactions and impact small-scale structure formation. In the presence of the cosmic neutrino background (C$\nu$B), this force can be modified, with…

High Energy Physics - Phenomenology · Physics 2026-05-27 Pawin Ittisamai , Chakrit Pongkitivanichkul , Muhammaddaniya Sutwilai , Nakorn Thongyoi , Patipan Uttayarat

The paper investigates the influence of the magnetic field on the behavior of 180-degree domain boundaries in a uniaxial ferromagnetic film with inhomogeneous magnetoelectric interaction. It is shown that, depending on the magnitude and…

Materials Science · Physics 2023-05-24 Robert Vakhitov , Rostislav Solonetskiy , Alina Nizyamova

The influence of a uniform external magnetic field on the dynamical spin response of cuprate superconductors in the superconducting state is studied based on the kinetic energy driven superconducting mechanism. It is shown that the magnetic…

Superconductivity · Physics 2008-11-05 Jingge Zhang , Li Cheng , Huaiming Guo , Shiping Feng

The consequences of the vacuum polarization effect in magnetic fields around a Schwarzschild Black Hole on the motion of charged particles are investigated in this work. Using the weak electromagnetic field approximation, we discuss the…

General Relativity and Quantum Cosmology · Physics 2019-10-17 Petar Pavlović , Andrey Saveliev , Marko Sossich

We present and study a possible mechanism of extracting energies from the vacuum by external classical fields. Taking a constant magnetic field as an example, we discuss why and how the vacuum energy can be released in the context of…

High Energy Physics - Phenomenology · Physics 2009-10-31 She-Sheng Xue

We study the effect of an applied magnetic field on sub-10nm wide MoGe and Nb superconducting wires. We find that magnetic fields can enhance the critical supercurrent at low temperatures, and does so more strongly for narrower wires. We…

Superconductivity · Physics 2009-11-11 A. Rogachev , T. -C. Wei , D. Pekker , A. T. Bollinger , P. M. Goldbart , A. Bezryadin

An experimental study to investigate the effect of an external magnetic field on the propagation of ion-acoustic waves (IAWs) has been carried out in hydrogen plasma containing two-temperature electrons and dust grains. A low-pressure hot…

Plasma Physics · Physics 2022-04-01 K. Deka , R. Paul , G. Sharma , N. Das , S. Adhikari , R. Moulick , S. S. Kausik , B. K. Saikia , O. H. Chin , C. S. Wong

We study the interaction of an electron/hole with inhomogeneous magnetic field in the presence of a screw dislocation. We consider the internal structure of the defect, i.e., we consider the core that gives rise to a finite size to the…

Quantum Physics · Physics 2022-04-13 K. Bakke , C. Furtado

Since a long time the application of small electric potentials on biological membranes (iontophoresis) proved enabling control and improvement of transdermal delivery of substances across this barrier. In spite of a large experimental data,…

Tissues and Organs · Quantitative Biology 2019-05-07 Neila Machado , Clarissa Callegaro , Marcelo Augusto Christoffolete , Herculano Martinho

Neutrino-photon processes, forbidden in vacuum, can take place in presence of a thermal medium or an external electro-magnetic field, mediated by the corresponding charged leptons (real or virtual). The effect of a medium or an…

High Energy Physics - Phenomenology · Physics 2014-11-17 Kaushik Bhattacharya , Avijit K. Ganguly , Sushan Konar

Very large DC and AC electric fields cannot be sustained between conducting electrodes because of volume gas breakdown and/or surface field emission. However, very large potential fields are now routinely generated in plasma structures such…

Plasma Physics · Physics 2023-07-26 Jean-Marcel Rax , Renaud Gueroult , Nathaniel J. Fisch

We use particle-in-cell, fully electromagnetic, plasma kinetic simulation to study the effect of external magnetic field on electron scale Kelvin-Helmholtz instability (ESKHI). The results are applicable to collisionless plasmas when e.g.…

Plasma Physics · Physics 2024-09-19 D. Tsiklauri

We discuss the Gupta-Bleuler quantization of the free electromagnetic field outside static black holes in the Boulware vacuum. We use a gauge which reduces to the Feynman gauge in Minkowski spacetime. We also discuss its relation with…

General Relativity and Quantum Cosmology · Physics 2014-11-17 L. C. B. Crispino , A. Higuchi , G. E. A. Matsas

We explore the effect of the magnetic field on the QCD phase transition through AdS/CFT correspondence. By introducing an anisotropic magnetic field in the Einstein-Maxwell-Scalar system, a family of analytic solutions is obtained by the…

High Energy Physics - Theory · Physics 2020-05-05 Song He , Yi Yang , Pei-Hung Yuan

In this work we study the effects of non-minimal coupling between electromagnetism and gravity, which are motivated by quantum effects such as vacuum polarization. We investigate the modification of both asymptotically dipole and uniform…

General Relativity and Quantum Cosmology · Physics 2023-03-20 Kumar Ravi , Petar Pavlović , Andrey Saveliev

First I emphasize the magnetospheric loop current system induced by the wind activity. Next, I address the formation of the field-aligned electric field. An interesting aspect is the reaction of the inner magnetosphere to an induced…

Astrophysics · Physics 2007-05-23 Shinpei Shibata

An influence of a strong external magnetic field on the neutrino self-energy operator is investigated. The width of the neutrino decay into the electron and W boson, and the mean free path of an ultra-high energy neutrino in a strong…

High Energy Physics - Phenomenology · Physics 2010-10-05 A. V. Kuznetsov , N. V. Mikheev , A. V. Serghienko

The current associated with field emission is greatly dependent on the electric field at the emitting electrode. This field is a combination of the electric field in vacuum and the space charge created by the current. The latter becomes…

Mathematical Physics · Physics 2015-05-14 Alex Rokhlenko , Kevin Jensen , Joel L. Lebowitz

If dark matter consists of cold, neutral particles with a non-zero magnetic moment, then, in the presence of an external magnetic field, a measurable gyromagnetic Faraday effect becomes possible. This enables direct constraints on the…

Astrophysics · Physics 2008-11-26 S. Gardner