Large-<i>N</i><sub>c</sub> QCD meets Regge theory: the example of spin-one two-point functions

Golterman, Maarten; Peris, Santiago

doi:10.1088/1126-6708/2001/01/028

Cited by 82 publications

(99 citation statements)

References 11 publications

(26 reference statements)

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“…The speed of the convergence is best visible 21 The question whether the slopes should be the same in QCD is unsettled [131][132][133][134][135][136][137][138][139], but usually they are assumed to be, which can be obtained for potentials I by changing the IR asymptotics of w(λ) [42].…”

Section: Convergence Of the Spectral Representationmentioning

confidence: 99%

Massive holographic QCD in the Veneziano limit

Järvinen

2015

J. High Energ. Phys.

104

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QCD at finite, flavor independent quark mass is analyzed by using bottom-up holography in the Veneziano limit, where the backreaction of quarks to the gluon dynamics is fully included. The dependence on the quark mass of observables such as the bound state masses, the chiral condensate, the S-parameter, and the critical temperatures is studied. Many of the results are argued to be universal, i.e., independent of the details of the holographic model, and compared to explicit computations in the V-QCD models. The effect of adding four-fermion operators in QCD is also discussed.

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Section: Convergence Of the Spectral Representationmentioning

confidence: 99%

Massive holographic QCD in the Veneziano limit

Järvinen

2015

J. High Energ. Phys.

104

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“…Let us give a brief and incomplete overview about the debate regarding this issue. For instance, in [90], a model with Λ V = Λ A was put forward. Later, in [91], it was claimed that this model was inconsistent with the OPEs, but the arguments of [91] were called into question in [92], due to subtleties in the regularization of infinite sums like (4.21).…”

Section: On the Opes And The Slope Of The Regge Trajectoriesmentioning

confidence: 99%

Thermodynamics of SU(N) Yang-Mills theories in 2 + 1 dimensions II — The deconfined phase

Caselle

Castagnini

Feo

et al. 2012

J. High Energ. Phys.

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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 is expected to be the main manifestation of chiral symmetry breaking in the holographic context. As a model for glue the Kuperstein-Sonnenschein background is used. The structure of the flavor vacuum is analyzed in the quenched approximation. Chiral symmetry breaking is shown at zero temperature. Above the deconfinement transition chiral symmetry is restored. A complete holographic renormalization is performed and the chiral condensate is calculated for different quark masses both at zero and non-zero temperatures. The 0 ++ , 0 −+ , 1 ++ , 1 −− meson trajectories are analyzed and their masses and decay constants are computed. The asymptotic trajectories are linear. The model has one phenomenological parameter beyond those of QCD that affects the 1 ++ , 0 −+ sectors. Fitting this parameter we obtain very good agreement with data. The model improves in several ways the popular hard-wall and soft wall bottom-up models.

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“…(This relation a V = a A is not fulfilled in [16,20] where such analysis for the LTA was performed.) Then one concludes that F V = F A .…”

Section: Linear Trajectories For Vector and Axial-vector Resonancesmentioning

confidence: 99%

“…An example of such a calculation for the LTA was provided in [16]. Besides, in the scalar sector we can calculate the chiral constant L 8 [46] (parameterizing the ratio of current quark masses).…”

Section: D-wave Vector Mesonsmentioning

confidence: 99%

Matching Regge Theory to the OPE

Afonin

Andrianov

et al. 2007

Nuclear Physics B - Proceedings Supplements

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Large-N_c QCD meets Regge theory: the example of spin-one two-point functions

Abstract: We discuss the phenomenological implications of assuming a Veneziano-type spectrum for the vector and axial-vector two-point functions in QCD at large N c . We also compare the phenomenological results with those of Lowest-Meson Dominance, and find that they agree.

Cited by 82 publications

References 11 publications

Massive holographic QCD in the Veneziano limit

Massive holographic QCD in the Veneziano limit

Thermodynamics of SU(N) Yang-Mills theories in 2 + 1 dimensions II — The deconfined phase

Matching Regge Theory to the OPE

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Large-Nc QCD meets Regge theory: the example of spin-one two-point functions

Abstract: We discuss the phenomenological implications of assuming a Veneziano-type spectrum for the vector and axial-vector two-point functions in QCD at large N c . We also compare the phenomenological results with those of Lowest-Meson Dominance, and find that they agree.

Cited by 82 publications

References 11 publications

Massive holographic QCD in the Veneziano limit

Massive holographic QCD in the Veneziano limit

Thermodynamics of SU(N) Yang-Mills theories in 2 + 1 dimensions II — The deconfined phase

Matching Regge Theory to the OPE

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Large-N_c QCD meets Regge theory: the example of spin-one two-point functions