نتایج جستجو برای: magnetic monopole

تعداد نتایج: 342521  

Journal: :Physical review. D, Particles and fields 1995
Peng Haymaker

We calculate the solenoidal magnetic monopole current and electric flux distributions at finite temperature in the presence of a static quark-antiquark pair. The simulation was performed using SU(2) lattice gauge theory in the maximal Abelian gauge. We find that the monopole current and electric flux distributions are quite different below and above the finite temperature deconfining phase tran...

2015
N. R. Indira A. Thenmozhi

In this review article, different structures of monopole antennas based on metamaterial concepts which have been developed for various wireless applications are presented. The antennas designed for wireless applications must be broad band, low profile, small size and have better performance. Monopole antennas embedded with Artificial magnetic conductors (AMC), Electromagnetic band gap structure...

1998
R. C. Brower D. Chen

Although many qualitative features of QCD are well described by a vacuum state dominated by an instanton “liquid’, confinement appears to be an exception [1]. Instead, magnetic monopoles are thought to be the crucial ingredient. This raises the question of how magnetic degrees of freedom can be incorporated into (or reconciled with) an instanton “liquid”. A recent step in this direction was tak...

1998
I. V. Kolokolov

Introduction A concept of a magnetic monopole has been introduced into modern physics in 1931 by Paul Dirac [1]. He postulated existence of an isolated magnetic charge g. Using general principles of quantum mechanics, he has related the electric and magnetic charge values: ge = n 2 h̄c, where e is the electron electric charge, h̄ is the Plank constant, c is the speed of light, n = ±1, 2... is an ...

2005
Ion I. Cotăescu

A method is proposed for generalizing the Euclidean Taub-NUT space, regarded as the appropriate background of the Dirac magnetic monopole, to non-Abelian Kaluza-Klein theories involving potentials of generalized monopoles. Usual geometrical methods combined with a recent theory of the induced representations governing the TaubNUT isometries lead to a general conjecture where the potentials of t...

2003
Ya. Shnir

This paper is concerned with magnetic monopole solutions of SU (3) Yang-Mills-Higgs system beyond the Bogomol'nyi-Prasad-Sommerfield limit. The different SU (2) embeddings, which correspond to the fundamental monopoles, as well the embedding along composite root are studied. The interaction of two different fundamental monopoles is considered. Dissolution of a single fundamental non-BPS SU (3) ...

Journal: :Physical review 2023

Magnetic monopoles have been realized as emergent quasiparticles in both condensed matter and ultracold atomic platforms, with growing interest the coupling effects between monopole different magnetic quasiparticles. In this work, interaction magnons are investigated for an pseudospin chain. We reveal that can excite a virtual magnon cloud paramagnetic chain, thereby giving rise to unconvention...

2009
Akihiro Shibata Seikou Kato Shoichi Ito Toru Shinohara Takeharu Murakami

We propose a new description of the SU(N) Yang-Mills theory on a lattice, which enables one to explain quark confinement based on the dual superconductivity picture in a gauge independent way. This is because we can define gauge-invariant magnetic monopoles which are inherent in the Wilson loop operator. For SU(3) there are two options: the minimal option with a single type of non-Abelian magne...

Journal: :Physical review letters 1994
Lee Weinberg

The existence of nonsingular classical magnetic monopole solutions is usually understood in terms of topologically nontrivial Higgs field configurations. We show that finite energy magnetic monopole solutions also exist within a class of purely Abelian gauge theories containing charged vector mesons, even though the possibility of nontrivial topology does not even arise. provided that certain r...

Journal: :European Physical Journal C 2023

The angular momentum of any quantum system should be {\it unambiguously} quantized. We show that such a quantization fails for pure Dirac monopole due to previously overlooked field from the monopole-electric charge coming magnetic string and electric charge. Applying point-splitting method monopole-charge yields total which obeys standard algebra, but is gauge variant}. In contrast it possible...

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