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The anomalous magnetic field dependence of dielectric properties of insulating glasses in the temperature interval $10mK<T<50mK$ is considered. In this temperature range, the dielectric permittivity is defined by the resonant contribution…

Disordered Systems and Neural Networks · Physics 2009-11-11 Y. Sereda , I. Ya. Polishchuk , A. L. Burin

By combining the linear theory and numerical simulations, we study the response of a radially bounded axisymmetric plasma to relativistic charged particle beams in a wide range of plasma densities. We present analytical expressions for the…

Plasma Physics · Physics 2018-07-04 A. A. Gorn , P. V. Tuev , A. V. Petrenko , A. P. Sosedkin , K. V. Lotov

We have studied the large scale dynamo process forced with helical magnetic energy. The magnetically driven dynamo is not so well studied as kinetically forced dynamo. It has been thought to represent the amplification of magnetic field in…

Plasma Physics · Physics 2021-09-21 Kiwan Park , Myung-Ki Cheoun

An influence of a magnetic field on beta-processes is investigated under conditions of a core-collapse supernova. For realistic magnetic fields reachable in astrophysical objects we obtain simple analytical expressions for reaction rates of…

High Energy Astrophysical Phenomena · Physics 2020-04-08 Alexandra Dobrynina , Igor Ognev

A new electronic structure principle, viz. the minimum magnetizability principle (MMP) has been proposed and also has been verified through ab initio calculations, to extend the domain of applicability of the conceptual density functional…

Chemical Physics · Physics 2009-11-11 Akhilesh Tanwar , Debesh Ranjan Roy , Sourav Pal , Pratim Kumar Chattaraj

We study the generation of strong magnetic fields in magnetars and in the early universe. For this purpose we calculate the antisymmetric contribution to the photon polarization tensor in a medium consisting of an electron-positron plasma…

High Energy Physics - Phenomenology · Physics 2016-08-10 Maxim Dvornikov

We give an overview of the magnetic catalysis phenomenon. In the framework of quantum field theory, magnetic catalysis is broadly defined as an enhancement of dynamical symmetry breaking by an external magnetic field. We start from a brief…

High Energy Physics - Phenomenology · Physics 2013-07-18 Igor A. Shovkovy

For a single potential barrier, the barrier penetrability can be inverted based on the WKB approximation to yield the barrier thickness. We apply this method to heavy-ion fusion reactions at energies well below the Coulomb barrier and…

Nuclear Theory · Physics 2009-11-13 K. Hagino , N. Rowley

The behavior of a non-conductive quasi-planar lipid membrane in an electrolyte and in a static (DC) electric field is investigated theoretically in the nonlinear (Poisson-Boltzmann) regime. Electrostatic effects due to charges in the…

Soft Condensed Matter · Physics 2015-05-18 Falko Ziebert , David Lacoste

In this work we explore the effects of a weak magnetic field and a thermal bath on the decay process of a neutral scalar boson into two charged scalar bosons. Our findings indicate that magnetic field inhibits while temperature enhances the…

High Energy Physics - Phenomenology · Physics 2017-11-01 Gabriella Piccinelli , Angel Sanchez

We use the perturbative method to study the influence of the magnetic field on the weak deflection angle of charged signals in magnetized stationary and axisymmetric spacetimes within general electromagnetic potentials. The deflection angle…

General Relativity and Quantum Cosmology · Physics 2025-01-08 Qianchuan Wang , Junji Jia

Plasma energization through magnetic reconnection in the magnetically-dominated regime featured by low plasma beta ($\beta = 8 \pi nkT_0/B^2 \ll 1$) and/or high magnetization ($\sigma = B^2/(4 \pi nmc^2) \gg 1$) is important in a series of…

High Energy Astrophysical Phenomena · Physics 2016-05-25 Fan Guo , Hui Li , William Daughton , Xiaocan Li , Yi-Hsin Liu

The dynamics of wave-particle interactions in magnetized plasmas restricts the wave amplitude to moderate values for particle beam acceleration from rest energy. We analyze how a perturbing invariant robust barrier modifies the phase space…

Accelerator Physics · Physics 2018-05-11 M. C. de Sousa , I. L. Caldas

We consider the translocation of a neutral (uncharged) nanoparticle through a pore in a thin membrane with constant surface charge density. If the concomitant Debye screening layer is sufficiently thin, the resulting forces experienced by…

Soft Condensed Matter · Physics 2014-01-09 Sebastian Getfert , Thomas Töws , Peter Reimann

Generating a powerful and quasistatic magnetic field within the confines of a tabletop laboratory experiment has proven to be a persistent challenge. The creation of magnetized high-energy-density plasma through such experiments presents…

We consider active-sterile neutrino conversions in the early universe hot plasma in the presence of a random magnetic field generated at the electroweak phase transition. Within a random field domain the magnetization asymmetry of the…

High Energy Physics - Phenomenology · Physics 2009-09-25 V. B. Semikoz , J. W. F. Valle

In this paper within a field-theoretical approach taking into account explicitly a co-solvent with a nonzero dipole and a polarizability tensor, we derive a modified Poisson-Boltzmann equation. Applying the modified Poisson-Boltzmann…

Soft Condensed Matter · Physics 2015-09-02 Y. A. Budkov , A. L. Kolesnikov , M. G. Kiselev

We present a rectifying manganite-titanate heterojunction exhibiting a magnetic field tunable depletion layer. This creates a large positive magnetocapacitance, a direct measure of the field-induced reduction of the effective depletion…

Strongly Correlated Electrons · Physics 2009-11-10 N. Nakagawa , M. Asai , Y. Mukunoki , T. Susaki , H. Y. Hwang

A new generation mechanism of the magnetic field in an inhomogeneous collisionless plasma with a beam component is proposed. We show that even though the current and charge neutralities are initially satisfied, the current neutrality is…

High Energy Astrophysical Phenomena · Physics 2020-06-17 Yutaka Ohira

The possible manifestations of magnetic screening effects were theoretically investigated for a particle with a ferromagnetic single-domain core and a magnetically soft shell. The exact solution of the Laplace equation gave analytical…

Materials Science · Physics 2025-03-26 Vladimir P. Savin , Yury A. Koksharov