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Using Seiberg's definition for the geometric charge in SU(2) lattice gauge theory, we have managed to apply it also to the Chern-Simons term. We checked the periodic structure and determined the Chern-Simons density on small lattices $L^4$…

High Energy Physics - Lattice · Physics 2009-10-22 F. Karsch , M. L. Laursen , T. Neuhaus , B. Plache

Using a geometric definition for the lattice Chern-Simons term in even dimensions, we have studied the distribution of Chern-Simons numbers for the 2d-U(1) and the 4d-SU(2) lattice Higgs models. The periodic structure of the distributions…

High Energy Physics - Lattice · Physics 2009-10-22 F. Karsch , M. L. Laursen , T. Neuhaus , B. Plache

We study the temperature dependence of the Chern-Simons number fluctuations in the SU(2) Higgs Model on Euclidean lattices with spatial sizes up to 20^3. Temperatures well above the Higgs phase transition $T_H$ are achieved on anisotropic…

High Energy Physics - Lattice · Physics 2008-12-18 F. Karsch , M. L. Laursen , T. Neuhaus , B. Plache

We examine the claim that the effective action of four-dimensional SU(2)_L gauge theory at high and low temperature contains a three-dimensional Chern-Simons term with coefficient being the chemical potential for baryon number. We perform…

High Energy Physics - Theory · Physics 2009-09-11 Jim McCarthy , Andy Wilkins

We develop a topological method of measuring Chern-Simons number change in the real time evolution of classical lattice SU(2) and SU(2) Higgs theory. We find that the Chern-Simons number diffusion rate per physical 4-volume is very heavily…

High Energy Physics - Phenomenology · Physics 2014-11-17 Guy D. Moore , Neil G. Turok

In a somewhat overlooked work by Seiberg, a definition of the topological charge for SU(N) lattice fields was given. Here, it is shown that Seibergs and L\"{u}schers charge definition are related up to the section of the bundle. With the…

High Energy Physics - Lattice · Physics 2007-05-23 M. L. Laursen

By means of the geometric algebra the general decomposition of SU(2) gauge potential on the sphere bundle of a compact and oriented 4-dimensional manifold is given. Using this decomposition theory the SU(2) Chern density has been studied in…

High Energy Physics - Theory · Physics 2009-10-31 Yishi Duan , Libin Fu

By taking into account the effect of the would be Chern-Simons term, we calculate the quantum correction to the Chern-Simons coefficient in supersymmetric Chern-Simons Higgs theories with matter fields in the fundamental representation of…

High Energy Physics - Theory · Physics 2009-10-31 Hsien-chung Kao

We investigate SU(2) gauge fields topology using new approach, which exploits the well known connection between SU(2) gauge theory and quaternionic projective sigma-models and allows to formulate the topological charge density entirely in…

High Energy Physics - Lattice · Physics 2009-11-11 F. V. Gubarev , S. M. Morozov

In this paper, we examine the viability of inflation models with a spectator axion field coupled to both gravitational and SU(2) gauge fields via Chern-Simons couplings. Requiring phenomenological success of the axion-SU(2) sector…

General Relativity and Quantum Cosmology · Physics 2020-06-17 Leila Mirzagholi , Eiichiro Komatsu , Kaloian D. Lozanov , Yuki Watanabe

In this work the generation of generalized Chern-Simons terms in three dimensional quantum electrodynamics with high spatial derivatives is studied. We analyze the self-energy corrections to the gauge field propagator by considering an…

High Energy Physics - Theory · Physics 2013-10-03 Van Sérgio Alves , B. Charneski , M. Gomes , Leonardo Nascimento , Francisco Peña

We study the Chern-Simons number diffusion rate in the (1+1)-dimensional latticeAbelian Higgs model at temperatures much higher than, as well as comparable to, the sphaleron energy. It is found that in the high-temperature limit the rate is…

High Energy Physics - Phenomenology · Physics 2010-11-01 Ph. de Forcrand , A. Krasnitz , R. Potting

We compute the mass spectrum of the SU(2) adjoint Higgs model in 2+1 dimensions at several points located in the (metastable) confinement region of its phase diagram. We find a dense spectrum consisting of an almost unaltered repetition of…

High Energy Physics - Lattice · Physics 2009-10-31 A. Hart , O. Philipsen

We develop some techniques which allow an analytic evaluation of space-like observables in high temperature lattice gauge theories. We show that such variables are described extremely well by dimensional reduction. In particular, by using…

High Energy Physics - Lattice · Physics 2009-10-22 M. Caselle , A. D'Adda

The topological supersymmetry of the pure Chern-Simons model in three dimensions is established in the case where the theory is defined in the axial gauge.

High Energy Physics - Theory · Physics 2009-10-22 A. Brandhuber , M. Langer , M. Schweda , O. Piguet , S. P. Sorella

We comment on the calculation of the Chern-Simons coefficient in (2+1)-dimensional gauge theories at finite chemical potential made by A.N.Sissakian, O.Yu.Shevchenko and S.B.Solganik (hep-th/9608159 and hep-th/9612140).

High Energy Physics - Theory · Physics 2007-05-23 Vadim Zeitlin

Chern-Simons gauge theories in 2+1 dimensions with multiple gauge fields exhibit novel properties that are analysed here in some detail. A striking feature is the possibility of a non-propagating Chern-Simons field acquiring a massless…

High Energy Physics - Theory · Physics 2015-05-30 Sunil Mukhi

The classical transitions between topologically distinct vacua in a SU(2)-Higgs model, using a Higgs field of mass approximately 120 GeV, is examined to probe the crossover region between the symmetric and broken phase. Assuming the Higgs…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. P. Shanahan , A. C. Davis

In 5-dimensional models with gauge-Higgs unification, the F-term vacuum expectation value of the radion provides, in close analogy to the Giudice-Masiero mechanism, a natural source for the mu and B mu term. Both the leading order gauge…

High Energy Physics - Phenomenology · Physics 2009-08-24 Arthur Hebecker , John March-Russell , Robert Ziegler

The vortex-like solution to the non-linear field equations in a two-dimensional SU(2) gauge theory with the Chern-Simons mass term is found at high temperature. It is derived from the effective Lagrangian including the leading order finite…

High Energy Physics - Theory · Physics 2007-05-23 Vladimir Skalozub , Alexander Zaslavsky
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