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The holographic formalism is applied to the calculation of the effective potential for the scalar glueball operator. Three different versions of this operator are defined, and for each we compute the associated effective potential and…

High Energy Physics - Theory · Physics 2015-05-20 Elias Kiritsis , Wenliang Li , Francesco Nitti

In (3+1)-dimensional SU(Nc) Yang-Mills (YM) theory, the Chern-Simons diffusion rate, Gamma_{CS}, is determined by the zero-momentum, zero-frequency limit of the retarded two-point function of the CP-odd operator tr[F ^ F], with F the YM…

High Energy Physics - Theory · Physics 2015-06-12 Umut Gursoy , Ioannis Iatrakis , Elias Kiritsis , Francesco Nitti , Andy O'Bannon

Gluodynamics and two-flavor QCD at non-zero temperature are studied with the so-called overimproved cooling technique under which caloron solutions may remain stable. We consider topological configurations either at the first occuring…

High Energy Physics - Lattice · Physics 2013-06-21 V. G. Bornyakov , E. -M. Ilgenfritz , B. V. Martemyanov , V. K. Mitrjushkin , M. Muller-Preussker

The continued development of models that propose the existence of fractional topological objects in the Yang-Mills vacuum has called for a quantitative method to study the topological structure of $\mathrm{SU}(N)$ gauge theory. We present…

High Energy Physics - Lattice · Physics 2024-05-21 Jackson A. Mickley , Waseem Kamleh , Derek B. Leinweber

The behavior of supersymmetric theories at finite temperatures differs from that of other theories in certain aspects. Due to the different thermal statistics of bosons and fermions, supersymmetry is explicitly broken for any non-zero value…

High Energy Physics - Lattice · Physics 2015-01-13 G. Bergner , P. Giudice , G. Münster , S. Piemonte , D. Sandbrink

Finite 't Hooft coupling corrections to multiple physical observables in strongly coupled $N=4$ supersymmetric Yang-Mills plasma are examined, in an attempt to assess the stability of the expansion in inverse powers of the 't Hooft coupling…

High Energy Physics - Theory · Physics 2016-01-20 Sebastian Waeber , Andreas Schaefer , Aleksi Vuorinen , Laurence G. Yaffe

We review construction of the improved holographic models for QCD-like confining gauge theories and their applications to the physics of the Quark-gluon plasma. We also review recent progress in this area of research. The lecture notes…

High Energy Physics - Theory · Physics 2017-03-08 Umut Gursoy

A simple holographic model is presented and analyzed that describes chiral symmetry breaking and the physics of the meson sector in QCD. This is a bottom-up model that incorporates string theory ingredients like tachyon condensation which…

High Energy Physics - Phenomenology · Physics 2010-12-09 Ioannis Iatrakis , Elias Kiritsis , Angel Paredes

Following a series of similar calculations in simpler non-conformal holographic setups, we determine the quasinormal mode spectrum for an operator dual to a gauge-invariant scalar field within the Improved Holographic QCD framework. At…

High Energy Physics - Phenomenology · Physics 2020-06-04 Timo Alho , Jere Remes , Kimmo Tuominen , Aleksi Vuorinen

We present an extended version of a recently proposed semi-holographic model for heavy-ion collisions, which includes self-consistent couplings between the Yang-Mills fields of the Color Glass Condensate framework and an infrared AdS/CFT…

High Energy Physics - Theory · Physics 2016-05-23 Ayan Mukhopadhyay , Florian Preis , Anton Rebhan , Stefan A. Stricker

A finite temperature extension of the effective holographic models for QCD (EHQCD), proposed in Ref.[1], is investigated in the present work. EHQCD models are characterized by two parameters, the conformal dimension of the relevant operator…

High Energy Physics - Theory · Physics 2021-08-25 Alfonso Ballon-Bayona , Luis A. H. Mamani , Alex S. Miranda , Vilson T. Zanchin

We construct the supergravity dual of the hot quark-gluon plasma in the mass-deformed ${\cal N}=4$ Super-Yang-Mills theory (also known as ${\cal N}=1^*$). The full ten-dimensional type IIB holographic dual is described by 20 functions of…

High Energy Physics - Theory · Physics 2019-10-02 Iosif Bena , Oscar J. C. Dias , Gavin S. Hartnett , Benjamin E. Niehoff , Jorge E. Santos

We derive and systematically analyze scalar glueball correlation functions in both the hard-wall and dilaton soft-wall approximations to holographic QCD. The dynamical content of the holographic correlators is uncovered by examining their…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hilmar Forkel

We review the construction and basic properties of a three-dimensional effective field theory for high-temperature SU(3) Yang-Mills theory, which respects its center symmetry and was introduced in hep-ph/0604100. We explain why the phase…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Vuorinen

In this article, we study the finite temperature properties of a 10-D version of a hardwall model for QCD. Introducing fundamental matter via probe D7-branes and separate cutoffs for the branes and the bulk, we present a detailed…

High Energy Physics - Theory · Physics 2023-03-22 Akash Singh , K. P. Yogendran

The massive screened expansion for pure SU(3) Yang-Mills theory is extended to finite temperature in the Landau gauge. All thermal integrals are evaluated analytically up to an external one-dimensional integration, yielding explicit…

High Energy Physics - Theory · Physics 2021-04-21 Fabio Siringo , Giorgio Comitini

This paper is a continuation of ArXiv:0707.1324 where improved holographic theories for QCD were set up and explored. Here, the IR confining geometries are classified and analyzed. They all end in a "good" (repulsive) singularity in the IR.…

High Energy Physics - Theory · Physics 2009-01-06 U. Gursoy , E. Kiritsis , F. Nitti

Using (2+1)-flavor lattice QCD data, we refine the parameters of an analytical holographic model via gradient descent optimization to precisely locate the critical endpoint in the $T-\mu$ plane. Specifically, we calibrate the model using…

High Energy Physics - Phenomenology · Physics 2025-12-02 Xun Chen , Floriana Giannuzzi , Stefano Nicotri

Holographic models in the T=0 universality class of QCD in the limit of large number N_c of colors and N_f massless fermion flavors, but constant ratio x_f=N_f/N_c, are analyzed at finite temperature. The models contain a 5-dimensional…

High Energy Physics - Phenomenology · Physics 2015-06-11 T. Alho , M. Jarvinen , K. Kajantie , E. Kiritsis , K. Tuominen

It is expected that incorporating the center symmetry in the conventional dimensionally reduced effective theory for high-temperature SU(N) Yang-Mills theory, EQCD, will considerably extend its applicability towards the deconfinement…

High Energy Physics - Lattice · Physics 2010-01-21 A. Kurkela