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We summarize some predictions from the model of supermassive object with magnetic monopoles which match up with recent astronomical observations quantitatively. They may be the signals for existence of magnetic monopoles in the supermassive…

High Energy Astrophysical Phenomena · Physics 2017-07-19 Qiu-He Peng , Jing-Jing Liu , Zhong-Qi Ma

The magnetic charges of monopoles arising in ultraviolet completions of the Standard Model are constrained by the global structure of the gauge group. After electroweak symmetry breaking, a subset of the ultraviolet monopoles carrying…

High Energy Physics - Phenomenology · Physics 2025-12-23 Yunji Ha

Earth's magnetosphere, beyond protecting the ozone layer, is a natural phenomena which allows to study the interaction between charged particles from solar activity and electromagnetic fields. In this paper we studied trajectories of…

Space Physics · Physics 2024-03-05 Jorge Enrique García-Farieta , Alejandro Hurtado

We demonstrate that Debye shielding cannot be employed to constrain the cosmological abundance of magnetic monopoles, contrary to what is stated in the previous literature. Current model-independent bounds on the monopole abundance are then…

High Energy Physics - Phenomenology · Physics 2024-08-30 Chen Zhang , Shi-Hao Zhang , Bowen Fu , Jing-Fei Zhang , Xin Zhang

We present a gauge and Lorentz invariant model for the scattering of matter off magnetic poles, which justifies the presence of velocity-dependent magnetic charges as an effective description of either the behaviour of monopoles in…

High Energy Physics - Phenomenology · Physics 2019-11-20 Jean Alexandre , Nick E. Mavromatos

Data from the complete MACRO detector have been used to search for magnetic monopoles (MMs) of all expected velocities. Scintillator, streamer tube (instrumented with specialized electronics) and nuclear track detectors have been used to…

High Energy Physics - Experiment · Physics 2019-08-14 B. C. Choudhary

Grand unified theories of fundamental forces predict that magnetic monopoles are inevitable in the Universe because the second homotopy group of the order parameter manifold is $\mathbb{Z}$. We point out that monopoles can annihilate in…

High Energy Physics - Phenomenology · Physics 2010-07-29 Shingo Kobayashi. Michikazu Kobayashi , Yuki Kawaguchi , Muneto Nitta , Masahito Ueda

We review the observational and theoretical constraints on extragalactic magnetic fields across cosmic environment. In the next decade, the combination of sophisticated numerical simulations and various observational probes might succeed in…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-02 Franco Vazza

Primordial magnetic fields may be created in collisions of expanding bubbles in a first-order cosmological phase transition and later serve as seed fields for galactic magnetic fields. Here I present results from numerical and analytical…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ola Tornkvist

The topological defect scenario of origin of the observed highest energy cosmic rays is reviewed. Under a variety of circumstances, topological defects formed in the early Universe can be sources of very massive particles in the Universe…

Astrophysics · Physics 2009-10-30 Pijushpani Bhattacharjee

The present theory is closely related to Dirac's equation of the electron, but not to his magnetic monopole theory, except for his relation between electric and magnetic charge. The theory is based on the fact, that the massless Dirac…

Quantum Physics · Physics 2008-11-26 Georges Lochak

High-energy particles enter the solar atmosphere from Galactic or solar coronal sources, producing an "albedo'' source from the quiet Sun, now observable across a wide range of photon energies. The interaction of high-energy particles in a…

Solar and Stellar Astrophysics · Physics 2020-01-08 Hugh Hudson , Alec MacKinnon , Mikolaj Szydlarski , Mats Carlsson

It has been suggested that superheavy charged particles might have been born in primordial bound pairs at the end of cosmic inflation. Such pairs have been proposed as a source of ultra-high energy cosmic rays (UHECR). We show that…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Dmitry R. Gulevich

Spontaneous symmetry breaking in grand unified theories is thought to have produced an exceedingly large number of magnetic monopoles in the early Universe. In the absence of suppression or annihilation, these very massive particles should…

High Energy Physics - Phenomenology · Physics 2023-11-16 Fulvio Melia

The origin of intergalactic magnetic fields is still a mystery and several scenarios have been proposed so far: among them, primordial phase transitions, structure formation shocks and galactic outflows. In this work we investigate how…

Astrophysics · Physics 2009-11-11 Serena Bertone , Corina Vogt , Torsten Ensslin

In this work we investigate the interaction between spin-zero and spin-one monopoles by making use of an effective field theory based on two-body and four-body interaction parts. In particular, we analyze the formation of bound state of…

High Energy Physics - Theory · Physics 2020-07-08 L. M. Abreu , M. de Montigny , P. P. A. Ouimet

The derivation of the Maxwell equations is reproduced whereby magnetic charges are included. This ansatz yields the results: 1) Longitudinal Ampere forces in a differential magnetostatic force law are improbable. Otherwise an electric…

General Physics · Physics 2007-05-23 W. D. Bauer

Mechanisms of generation of magnetic fields in the early universe which could seed the present-day large scale galactic magnetic fields, are briefly reviewed. Three possible ways to create large scale magnetic fields are discussed: breaking…

High Energy Physics - Phenomenology · Physics 2016-11-23 A. D. Dolgov

A large number of well motivated searches for permanent Electric Dipole Moments are presently under way which have a robust discovery potential. The field has seen a number of novel ideas concerning both possible experimental and…

High Energy Physics - Experiment · Physics 2008-11-26 Klaus Jungmann

Recently, we suggested a model of magnetic monopoles (hep-ph/9708394). Here we will propose a tabletop experiment to test this model. The verification of the predicted effect would have far-reaching consequences.

High Energy Physics - Experiment · Physics 2007-05-23 R. W. Kuhne
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