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The time-evolution and space-distribution of internal electromagnetic fields in heavy-ion reactions at beam energies between 200 and 2000 MeV/nucleon are studied within an Isospin-dependent Boltzmann-Uhling-Uhlenbeck transport model IBUU11.…

Nuclear Theory · Physics 2015-05-28 Li Ou , Bao-An Li

We report on a heretofore unnoted giant negative magnetocapacitance (>20%) in non-magnetic Au/GaAs:Si Schottky barriers that we attribute to a magnetic field in-duced increase in the binding energy of the shallow donor Si impurity atoms.…

Materials Science · Physics 2015-05-13 S. Tongay , A. F. Hebard , Y. Hikita , H. Y. Hwang

We discuss the effect of a strong magnetic field in the behavior of the symmetry of an electrically neutral electroweak plasma. We analyze the case of a strong field and low temperatures as compared with the W rest energy. If the magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Rodriguez Querts , H. Perez Rojas , A. Perez Martinez

The reversibility of the transfer of energy from the magnetic field to the surrounding plasma during magnetic reconnection is examined. Trajectories of test particles in an analytic model of the fields demonstrate that irreversibility is…

Plasma Physics · Physics 2021-09-22 M. Xuan , M. Swisdak , J. F. Drake

Recent laboratory experiments with laser-produced plasmas have observed and studied a number of fundamental physical processes relevant to magnetized astrophysical plasmas, including magnetic reconnection, collisionless shocks, and magnetic…

Plasma Physics · Physics 2018-10-17 W. Fox , J. Matteucci , C. Moissard , D. B. Schaeffer , A. Bhattacharjee , K. Germaschewski , S. X. Hu

Total and energy-angle differential probabilities of positrons created in slow collisions of two identical nuclei are calculated within relativistic two-center approach. The time-dependent Dirac equation is solved in the rotating frame…

High Energy Physics - Phenomenology · Physics 2025-09-10 N. K. Dulaev , D. A. Telnov , V. M. Shabaev , Y. S. Kozhedub , X. Ma , I. A. Maltsev , R. V. Popov , I. I. Tupitsyn

The Prototypical magnetic memory shape alloy Ni$_2$MnGa undergoes various phase transitions as a function of temperature, pressure, and doping. In the low-temperature phases below 260 K, an incommensurate structural modulation occurs along…

Strongly Correlated Electrons · Physics 2017-12-06 G. Lantz , M. J. Neugebauer , M. Kubli , M. Savoini , E. Abreu , K. Tasca , C. Dornes , V. Esposito , J. Rittmann , Y. W. Windsor , P. Beaud , G. Ingold , S. L. Johnson

We study the effect of Debye screening of hypercharge when a net fermion number is reflected from a domain wall during a first order phase transition, which may be relevant for electroweak baryogenesis. We give a simple method for computing…

High Energy Physics - Phenomenology · Physics 2009-10-28 James M. Cline , Kimmo Kainulainen

The magnetic field created in proton-proton and nucleus-nucleus collisions at ultra high energies are studied with models of point-like charges and hard sphere for distribution of the constituents for vacuum conditions. The various beam…

Nuclear Theory · Physics 2019-07-03 V. A. Okorokov

The paper examines the prospects of using laser plasmas for studying novel regimes of the magnetic field line reconnection and charged particle acceleration. Basic features of plasma dynamics in the three-dimensional configurations relevant…

Plasma Physics · Physics 2016-11-23 S. V. Bulanov

The effect of a strongly magnetized cold plasma on the Compton-like photoproduction of a neutrino-antineutrino pair on an electron, $\gamma e \to e \nu \bar \nu$, has been considered. The contribution of this process to the neutrino…

High Energy Physics - Phenomenology · Physics 2014-10-22 M. V. Chistyakov , A. V. Kuznetsov , N. V. Mikheev , D. A. Rumyantsev , D. M. Shlenev

The radial characteristics of plasma potential and density around an insulating disc obstacle, placed inside a partially magnetized plasma flow created in cylindrical chamber by hot cathode filament are presented. In the absence of…

Plasma Physics · Physics 2019-09-20 Satadal Das , S. K. Karkari

Capacitance of a nanoscale system is usually thought of having two contributions, a classical electrostatic contribution and a quantum contribution dependent on the density of states and/or molecular orbitals close to the Fermi energy. In…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Yu-Ning Wu , Xiao-Guang Zhang , Hai-Ping Cheng

We consider a test particle moving in a random distribution of obstacles in the plane, under the action of a uniform magnetic field, orthogonal to the plane. We show that, in a weak coupling limit, the particle distribution behaves…

Mathematical Physics · Physics 2016-08-30 Matteo Marcozzi , Alessia Nota

Magnetic reconnection is thought to be the driver for many explosive phenomena in the universe. The energy release and particle acceleration during reconnection have been proposed as a mechanism for producing high-energy emissions and…

High Energy Astrophysical Phenomena · Physics 2015-04-10 Fan Guo , Yi-Hsin Liu , William Daughton , Hui Li

We perform an analysis of the combined effects of geometry and a magnetic field for the case of a charged particle on a helicoid. The effective quantum potentials for a charged spinless particle confined on a helicoid for two simple…

Mesoscale and Nanoscale Physics · Physics 2012-11-28 Miguel Antonio Sulangi , Quirino M. Sugon

Big bang nucleosynthesis (BBN) is affected by the energy density of a primordial magnetic field (PMF). For an easy derivation of constraints on models for PMF generations, we assume a PMF with a power law (PL) distribution in wave number…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-14 Dai G. Yamazaki , Motohiko Kusakabe

The influence of strongly magnetized electron-positron plasma on the radiative neutrino transition $\nng$ is investigated. The probability and mean losses of the neutrino energy and momentum are calculated taking account of the photon…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. V. Chistyakov , N. V. Mikheev

Magnetic reconnection is a fundamental plasma process associated with conversion of the embedded magnetic field energy into kinetic and thermal plasma energy, via bulk acceleration and Ohmic dissipation. In many high-energy astrophysical…

Plasma Physics · Physics 2018-05-09 Longqing Yi , Baifei Shen , Alexander Pukhov , Tünde Fülöp

We investigate in a relativistic Hartree theory the gross properties of cold symmetric nuclear matter and nuclear matter in beta equilibrium under the influence of strong magnetic fields. If the field strengths are above the critical values…

Astrophysics · Physics 2009-10-30 Somenath Chakrabarty , Debades Bandyopadhyay , Subrata Pal