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In view of extending gauge/gravity dualities with flavour beyond the probe approximation, we establish the gravity dual description of mesons for a three-dimensional super Yang-Mills theory with fundamental matter. For this purpose we…

High Energy Physics - Theory · Physics 2008-11-26 Johanna Erdmenger , Ingo Kirsch

At zero temperature the Coulomb Branch of ${\cal N}=4$ super Yang-Mills theory is described in supergravity by multi-center solutions with D3-brane charge. At finite temperature and chemical potential the vacuum degeneracy is lifted, and…

High Energy Physics - Theory · Physics 2009-10-31 Per Kraus , Finn Larsen , Sandip P. Trivedi

The variational approach to the Hamilton formulation of Yang-Mills theory in Coulomb gauge developed by the present authors previously is applied to Yang-Mills theory in 2+1 dimensions and is confronted with the existing lattice data. We…

High Energy Physics - Theory · Physics 2008-11-26 C. Feuchter , H. Reinhardt

We present a quantitative analysis of Yang-Mills thermodynamics in 4D flat spacetime. The focus is on the gauge group SU(2). Results for SU(3) are mentioned in passing. Although all essential arguments and results were reported elsewhere we…

High Energy Physics - Theory · Physics 2009-11-05 Ralf Hofmann

In the first part of this talk we review some prerequisites for and essential arguments involved in the construction of the thermal-ground-state estimate for the deconfining phase in the thermodynamics of SU(2) Quantum Yang-Mills theory and…

General Physics · Physics 2018-11-27 Ralf Hofmann

Precanonical quantization of pure Yang-Mills fields, which is based on the covariant De Donder-Weyl (DW) Hamiltonian formalism, and its connection with the functional Schrodinger representation in the temporal gauge are discussed. The YM…

High Energy Physics - Theory · Physics 2015-06-26 I. V. Kanatchikov

Yang Mills theory in 2+1 dimensions can be expressed as an array of coupled (1+1)-dimensional principal chiral sigma models. The $SU(N)\times SU(N)$ principal chiral sigma model in 1+1 dimensions is integrable, asymptotically free and has…

High Energy Physics - Theory · Physics 2014-10-01 Axel Cortés Cubero

The one-loop energy density of an infinitely thin static magnetic vortex in SU(2) Yang-Mills theory is evaluated using the Schroedinger picture. Both the gluonic fluctuations as well as the quarks in the vortex background are included. The…

High Energy Physics - Theory · Physics 2009-11-10 J. D. Laenge , M. Engelhardt , H. Reinhardt

This is a pedagogical and extended version of the results published in Refs. [1,2] and presented by the authors in various talks during the last year. We discuss the type II D-branes (both regular and fractional) of the orbifold…

High Energy Physics - Theory · Physics 2013-02-27 M. Bertolini , P. Di Vecchia , R. Marotta

In this review we consider the Hamiltonian analysis of Yang-Mills theory and some variants of it in three spacetime dimensions using the Schr\"odinger representation. This representation, although technically more involved than the usual…

High Energy Physics - Theory · Physics 2023-08-29 V. P. Nair

We find explicit solutions of Type IIB string theory on R^4/Z_2 corresponding to the classical geometry of fractional D1-branes. From the supergravity solution obtained, we capture perturbative information about the running of the coupling…

High Energy Physics - Theory · Physics 2016-08-16 Daniel Bundzik , Anna Tollstén

The multi-band Gutzwiller method, combined with calculations based on density functional theory, is employed to study total energy curves of the ferromagnetic ground state of Ni. A new method is presented which allows flow of charge between…

Condensed Matter · Physics 2007-05-23 T. Ohm , S. Weiser , R. Umstätter , W. Weber , J. Bünemann

Perturbation theory for non-Abelian gauge theories at finite temperature is plagued by infrared divergences caused by magnetic soft modes $\sim g^2T$, which correspond to the fields of a 3d Yang-Mills theory. We revisit a gauge invariant…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. Bieletzki , K. Lessmeier , O. Philipsen , Y. Schroder

We consider pure SU(2) Yang-Mills theory on four-dimensional de Sitter space dS$_4$ and construct a smooth and spatially homogeneous magnetic solution to the Yang-Mills equations. Slicing dS$_4$ as ${\mathbb R}\times S^3$, via an…

High Energy Physics - Theory · Physics 2017-08-16 Tatiana A. Ivanova , Olaf Lechtenfeld , Alexander D. Popov

The free energy in the weak-coupling phase of two-dimensional Yang-Mills theory on a sphere for SO(N) and Sp(N) is evaluated in the 1/N expansion using the techniques of Gross and Matytsin. Many features of Yang-Mills theory are universal…

High Energy Physics - Theory · Physics 2009-10-30 M. Crescimanno , S. G. Naculich , H. J. Schnitzer

An elementary introduction to the 2d/4d correspondences is given. After quickly reviewing the 2d q-deformed Yang-Mills theory and the Liouville theory, we will introduce 4d theories obtained by coupling trifundamentals to SU(2) gauge…

High Energy Physics - Theory · Physics 2017-10-25 Yuji Tachikawa

We describe a ten dimensional supergravity geometry which is dual to a gauge theory that is non-supersymmetric Yang Mills in the infra-red but reverts to $N$=4 super Yang Mills in the ultra-violet. A brane probe of the geometry shows that…

High Energy Physics - Theory · Physics 2017-08-23 David E. Crooks , Nick Evans

Recent progress in the nonperturbative solution of (3+1)-dimensional Yukawa theory and quantum electrodynamics and (1+1)-dimensional super Yang--Mills theory is summarized.

High Energy Physics - Phenomenology · Physics 2009-11-10 J. R. Hiller

We point out that canonical quantization of the two-body problem in 2+1-Gravity is related to the high-energy equation in Yang-Mills theory by a proper ordering of the relevant operators. This feature arises from expanding the Hamiltonian…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Ciafaloni , S. Munier

We give a comparison of the spectrum of Yang-Mills theory in $D=3+1$, recently derived with a strong coupling expansion, with lattice data. We verify excellent agreement also for 2$^{++}$ glueball. A deep analogy with the $D=2+1$ case is…

High Energy Physics - Theory · Physics 2007-06-28 Marco Frasca