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Related papers: Magnetic Induced Axion Mass

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The effective Hamiltonian describing the motion of an exciton in an external non-homogeneous magnetic field is derived. The magnetic field plays the role of an effective potential for the exciton motion, results into an increment of the…

Condensed Matter · Physics 2009-10-31 J. A. K. Freire , A. Matulis , F. M. Peeters , V. N. Freire , G. A. Farias

The coupling between axions and photons modifies Maxwell's equations, introducing a dynamo term in the magnetic induction equation. In neutron stars, for critical values of the axion decay constant and axion mass, the magnetic dynamo…

High Energy Astrophysical Phenomena · Physics 2023-03-01 Filippo Anzuini , José A. Pons , Antonio Gómez-Bañón , Paul D. Lasky , Federico Bianchini , Andrew Melatos

The classical laws of physics are usually invariant under time reversal. Here, we reveal a novel class of magnetomechanical effects rigorously breaking time-reversal symmetry. The effect is based on the mechanical rotation of a hard magnet…

Mesoscale and Nanoscale Physics · Physics 2022-02-08 Elena Y. Vedmedenko , Roland Wiesendanger

Collisionless shocks are ubiquitous in the Universe and often associated with strong magnetic field. Here we use large-scale particle-in-cell simulations of non-relativistic perpendicular shocks in the high-Mach-number regime to study the…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Artem Bohdan , Martin Pohl , Jacek Niemiec , Paul J. Morris , Yosuke Matsumoto , Takanobu Amano , Masahiro Hoshino , Ali Sulaiman

The groundstate energy and binding energy of an exciton, confined in a^M quantum disk, are calculated as a function of an external magnetic field. The confinement potential is a hard wall of finite height. The diamagnetic shift is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 K. L. Janssens , F. M. Peeters , V. A. Schweigert

The effects of an external time-dependent magnetic field in the conversion probability of photon-to-axion-like particles are studied. Our findings show that for a certain time regime, the amplitude of the produced axion-like field can be…

High Energy Physics - Phenomenology · Physics 2016-12-21 Paola Arias , Ariel Arza and , Jorge Gamboa

The mechanical effects in finite two-dimensional electron systems (quantum dots or droplets) in a strong perpendicular magnetic field are studied. It is shown that, due to asymmetry of the cyclotron dynamics, an additional in-plane electric…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Lucjan Jacak , Jurij Krasnyj , Dorota Jacak , Arkadiusz Wojs

In the framework of the simplified stochastic model the critical values of an induction of the external magnetic field leading to sharp increase of fluctuations of a casual current of biologically important ions in different blood vessels…

Medical Physics · Physics 2013-05-24 Zakirjon Kanokov , Shakhnoza Z. Kanokova

The exact Foldy-Wouthuysen Hamiltonian is derived for a pointlike spin-1 particle with a normal magnetic moment in a nonuniform magnetic field. For a uniform magnetic field, it is exactly separated into terms linear and quadratic in spin.…

Quantum Physics · Physics 2014-06-10 Alexander J. Silenko

Magnetic field plays a crucial role in various novel phenomena in heavy-ion collisions. We solve the Maxwell equations numerically in a medium with time-dependent electric conductivity by using the Finite-Difference Time-Domain (FDTD)…

Nuclear Theory · Physics 2023-06-06 Hui Li , Xiao-Liang Xia , Xu-Guang Huang , Huan Zhong Huang

Axions are pseudo-scalar particles, those arise because of breaking of Peccei Queen (PQ) symmetry. Axions have a tree level coupling to two photons. As a consequence there exists a tree level coupling of axion to photon in a magnetic field.…

High Energy Physics - Phenomenology · Physics 2013-08-21 Avijit K. Ganguly

This paper considers various fermion pairings of interest for the QCD phases. The effects of an external magnetic field on the pairing mechanisms, on the realization of new condensates, and on the properties of the magnetized phases are all…

Nuclear Theory · Physics 2013-07-30 Vivian de la Incera

The axial magnetic field, which couples to left- and right-handed fermions with opposite signs, may generate an equilibrium dissipationless energy flow of fermions in the direction of the field even in the presence of interactions. We…

High Energy Physics - Lattice · Physics 2013-10-30 V. Braguta , M. N. Chernodub , K. Landsteiner , M. I. Polikarpov , M. V. Ulybyshev

The fully kinetic simulations of magnetic nozzle acceleration are conducted to investigate the axial momentum gains of ions and electrons with the electrostatic and Lorentz forces. Axial momentum gains per ion and electron are directly…

Plasma Physics · Physics 2021-12-02 Kazuma Emoto , Kazunori Takahashi , Yoshinori Takao

This work studies the influence of an external magnetic field on hadron yields and fluctuations in a hadron resonance gas by performing calculations within an updated version of the open-source Thermal-FIST package. The presence of the…

High Energy Physics - Phenomenology · Physics 2024-10-02 Volodymyr Vovchenko

When Peccei-Quinn (PQ) symmetry breaking happens after inflation, the axion field takes random values in causally disconnected regions. This leads to fluctuations of order one in the axion energy density around the QCD epoch. These…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-09 Jonas Enander , Andreas Pargner , Thomas Schwetz

We compute the neutral pion mass dependence on a magnetic field in the weak field approximation at one-loop order. The calculation is carried out within the linear sigma model coupled to quarks and using Schwinger's proper-time…

High Energy Physics - Phenomenology · Physics 2018-12-19 Alejandro Ayala , Ricardo L. S. Farias , S. Hernandez-Ortiz , Luis A. Hernandez , D. Manreza Paret , R. Zamora

We construct a gauge-mediated SUSY breaking model with vector-like matters combined with the Peccei-Quinn mechanism to solve the strong CP problem. The Peccei-Quinn symmetry plays an essential role for generating sizable masses for the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Kazunori Nakayama , Norimi Yokozaki

We present a reformulation of axion modified electrodynamics with all modifications redefined within the constitutive relations between the D,H,B and E fields. This allows the interpretation of the axion induced background bound charge,…

High Energy Physics - Phenomenology · Physics 2019-08-02 Michael Edmund Tobar , Ben T. McAllister , Maxim Goryachev

A simple physical insight into the origin of the magnetic moment anomaly of electron is presented. This approach is based on the assumption that the electromagnetic mass of the electron due to the electric field generated by electron charge…

General Physics · Physics 2013-07-09 N. B. Mandache