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Related papers: Surface operator study in SU(2) gauge field theory

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We investigate SU(2) lattice gauge theory in four dimensions in the maximally abelian projection. Studying the effects on different lattice sizes we show that the deconfinement transition of the fields and the percolation transition of the…

High Energy Physics - Lattice · Physics 2009-10-30 G. Damm , W. Kerler

We study vacuum dynamics of SU(3) lattice gauge theory at finite temperature. Using the lattice Schr\"odinger functional, SU(3) vacuum is probed by means of an external constant Abelian chromomagnetic field. Our preliminary numerical data…

High Energy Physics - Lattice · Physics 2007-05-23 Paolo Cea , Leonardo Cosmai

We analyze Regge quantum gravity coupled to SU(2) gauge theory on $4^3\times 2$, $6^{3}\times 4$ and $8^{3}\times 4$ simplicial lattices. It turns out that the window of the well-defined phase of the gravity sector where geometrical…

High Energy Physics - Lattice · Physics 2011-09-09 B. A. Berg , W. Beirl , B. Krishnan , H. Markum , J. Riedler

We derive the master function governing the component action of the four-dimensional non-anticommutative (NAC) and fully N=2 supersymmetric gauge field theory with a non-simple gauge group U(2)=SU(2)xU(1). We use a Lorentz singlet…

High Energy Physics - Theory · Physics 2016-09-06 Sergei V. Ketov , Shin Sasaki

We study half-BPS surface operators in N=2supersymmetric asymptotically conformal gauge theories in four dimensions with SU(N) gauge group and 2N fundamental flavours using localization methods and coupled 2d/4d quiver gauge theories. We…

High Energy Physics - Theory · Physics 2019-08-09 Sujay K. Ashok , Sourav Ballav , Marialuisa Frau , Renjan Rajan John

U(1), SU(2), and SU(3) lattice gauge theories in presence of external fields are investigated both in (3+1) and (2+1) dimensions. The free energy of gauge systems has been measured. While the phase transition in compact U(1) is not…

High Energy Physics - Lattice · Physics 2009-11-10 P. Cea , L. Cosmai

According to the preceding studies, the lattice SU(2) gauge-scalar model with a single scalar field in the fundamental representation of the gauge group has a single confinement-Higgs phase where confinement and Higgs regions are subregions…

High Energy Physics - Lattice · Physics 2024-03-26 Ryu Ikeda , Seikou Kato , Kei-Ichi Kondo , Akihiro Shibata

We exploit the strength of the superspace (SUSP) unitary operator to obtain the results of the application of the horizontality condition (HC) within the framework of augmented version of superfield formalism that is applied to the…

High Energy Physics - Theory · Physics 2015-10-23 D. Shukla , T. Bhanja , R. P. Malik

We consider the quantum mechanics of a particle on a noncommutative two-sphere with the coordinates obeying an SU(2)-algebra. The momentum operator can be constructed in terms of an $SU(2)\times SU(2)$-extension and the Heisenberg algebra…

High Energy Physics - Theory · Physics 2016-09-06 V. P. Nair

The dual Meissner effect scenario of confinement is discussed by studying the low energy regime of SU(2) Yang-Mills in a maximal Abelian gauge. The Abelian projected effective action is computed perturbatively. This serves as an input for a…

High Energy Physics - Theory · Physics 2016-09-06 Filipe Freire

In Ref. [arXiv:1005.4469], Alday and Tachikawa observed that the Nekrasov partition function of N=2 SU(2) superconformal gauge theories in the presence of fundamental surface operators can be associated to conformal blocks of a 2D CFT with…

High Energy Physics - Theory · Physics 2013-10-22 Juan Pablo Babaro , Gaston Giribet

We review the string representations of Abelian-projected SU(2)- and SU(3)-gauge theories and their application to the evaluation of bilocal field strength correlators. The large distance asymptotic behaviours of the latter ones are shown…

High Energy Physics - Theory · Physics 2009-10-31 Dmitri Antonov , Dietmar Ebert

We construct smooth asymptotically AdS_5xS^5 solutions of Type IIB supergravity corresponding to all the half-BPS surface operators in N=4 SYM. All the parameters labeling a half-BPS surface operator are identified in the corresponding…

High Energy Physics - Theory · Physics 2009-11-13 Jaume Gomis , Shunji Matsuura

Adopting the cooling technique to smooth the discontinuous Z(2) lattice gauge field, we found that on SU(2) gauge configurations obtained by this smoothing there exists clear discontinuity of the topological property at almost the same…

High Energy Physics - Lattice · Physics 2008-11-26 Shinji Hioki

For SU(2) gauge theory on the three-sphere we implement the influence of the boundary of the fundamental domain, and in particular the $\theta$-dependence, on a subspace of low-energy modes of the gauge field. We construct a basis of…

High Energy Physics - Lattice · Physics 2009-10-28 Bas van den Heuvel

The one-dimensional spin-orbital model is studied by means of Abelian bosonization. We derive the low-energy effective theory which enables us to study small deviations from the SU(4) symmetric point. We show that there exists a massless…

Strongly Correlated Electrons · Physics 2007-05-23 P. Azaria , A. O. Gogolin , P. Lecheminant , A. A. Nersesyan

We derive a new version of SU(3) non-Abelian Stokes theorem by making use of the coherent state representation on the coset space $SU(3)/(U(1)\times U(1))=F_2$, the flag space. Then we outline a derivation of the area law of the Wilson loop…

High Energy Physics - Theory · Physics 2009-10-31 K. -I. Kondo , Y. Taira

A monopole creation operator is constructed: its vacuum expectation value is an order parameter for dual superconductivity in that, if different from zero it signals spontaneous breaking of the U(1) symmetry corresponding to monopole charge…

High Energy Physics - Lattice · Physics 2007-05-23 L. Del Debbio A. Di Giacomo G. Paffuti P. Pieri

The vacuum dynamics of SU(2) and SU(3) lattice gauge theories is studied by means of a gauge-invariant effective action defined using the lattice Schr\"odinger functional at finite temperature. In the case of the SU(3) gauge theory…

High Energy Physics - Lattice · Physics 2007-05-23 P. Cea , L. Cosmai

We present a theoretically consistent definition of the topological charge operator based on renormalization group arguments. Results of the measurement of the topological susceptibility at zero and finite temperature for SU(2) gauge theory…

High Energy Physics - Lattice · Physics 2016-09-01 Thomas A. DeGrand , Anna Hasenfratz , Decai Zhu