English
Related papers

Related papers: Dispersion Relations and Pole-Skipping in a Hologr…

200 papers

Recent investigations show that the thermal spectral function of heavy $ {b \bar b } $ and $ {c \bar c} $ vector mesons can be described using holography. These studies consider a bottom up model that captures the heavy flavour spectroscopy…

High Energy Physics - Phenomenology · Physics 2019-01-30 Nelson R. F. Braga , Luiz F. Ferreira

We study the properties of charmonium in a strongly coupled QCD-like plasma at finite momentum. As a basis for this study, a "bottom-up" holographic model is used which has been previously shown to reproduce charmonium phenomenology in…

Nuclear Theory · Physics 2013-10-29 Paul M. Hohler , Yi Yin

Heavy vector mesons detected after a heavy ion collision are important sources of information about the quark gluon plasma. The fraction of such particles that survive the plasma phase and reach the detectors is related to the dissociation…

High Energy Physics - Phenomenology · Physics 2019-07-24 Nelson R. F. Braga , Luiz F. Ferreira

We present a holographic bottom up model for the thermal behavior of $ c \bar c$ vector mesons in a finite temperature and density plasma. There is a clear physical interpretation for the three imput energy parameters of the model. Two of…

High Energy Physics - Phenomenology · Physics 2017-11-22 Nelson R. F. Braga , Luiz F. Ferreira , Alfredo Vega

In this work, we investigate the melting of charmonium states within a holographic QCD model in the context of Einstein-Maxwell-Dilaton (EMD) theory. In the dual field theory, the model describes the heavy mesons inside a finite temperature…

High Energy Physics - Phenomenology · Physics 2022-07-13 Luis A. H. Mamani , Defu Hou , Nelson R. F. Braga

The real-time dissociation of the heavy quarkonium in a strongly coupled boost-invariant non-Abelian plasma relaxing towards equilibrium is analyzed in a holographic framework. The effects driving the plasma out of equilibrium are described…

High Energy Physics - Phenomenology · Physics 2017-09-08 L. Bellantuono , P. Colangelo , F. De Fazio , F. Giannuzzi , S. Nicotri

We build a "bottom-up" holographic model of charmonium by matching the essential spectral data. We argue that this data must include not only the masses but also the decay constants of the J/psi and psi' mesons. Relative to the "soft-wall"…

High Energy Physics - Phenomenology · Physics 2011-02-22 Hovhannes R. Grigoryan , Paul M. Hohler , Mikhail A. Stephanov

Recent experiments have found spin alignment of $J/\psi$ with respect to event plane in heavy ion collisions, suggesting a medium effect that is spin dependent. We propose a possible mechanism with polarized dissociation from the motion of…

High Energy Physics - Phenomenology · Physics 2025-04-10 Zhishun Chen , Shu Lin

Recently, a direct signature of chaos in many body system has been realized from the energy density retarded Green's function using the phenomenon of `pole skipping'. Moreover, special locations in the complex frequency and momentum plane…

High Energy Physics - Theory · Physics 2021-04-07 Karunava Sil

Rotation affects the transition temperature between confined (hadronic) and deconfined (quark-gluon plasma) phases of the strongly interacting matter produced in non-central heavy ion collisions. A holographic description of this effect was…

High Energy Physics - Theory · Physics 2023-12-19 Nelson R. F. Braga , Octavio C. Junqueira

Heavy vector mesons provide important information about the quark gluon plasma (QGP) formed in heavy ion collisions. This happens because the fraction of quarkonium states that are produced depends on the properties of the medium. The…

High Energy Physics - Phenomenology · Physics 2023-09-22 Nelson R. F. Braga , Yan F. Ferreira

A relativistic diffusion model with cylindrical symmetry, which propagates an initial state based on quantum chromodynamics in time towards a thermal equilibrium limit, is derived from nonequilibrium-statistical considerations: Adapting an…

High Energy Physics - Phenomenology · Physics 2024-03-29 Johannes Hoelck , Georg Wolschin

We present the results of a holographic model for heavy vector mesons inside a plasma at finite temperature and density. The spectral function shows a nice description of the dissociation of the mesons in the medium, corresponding to the…

High Energy Physics - Phenomenology · Physics 2017-10-20 Nelson R. F. Braga , Luiz F. Ferreira

We study the dynamics and the relaxation of bulk plasmons in strongly coupled and quantum critical systems using the holographic framework. We analyze the dispersion relation of the plasmonic modes in detail for an illustrative class of…

High Energy Physics - Theory · Physics 2019-10-02 Matteo Baggioli , Ulf Gran , Amadeo Jimenez Alba , Marcus Tornsö , Tobias Zingg

We consider the recently suggested model for some resonances near the open charm threshold as bound states of charmonium inside excited light mesons. It is argued in the soft-wall holographic model of QCD that such states of heavy…

High Energy Physics - Theory · Physics 2009-01-16 S. Dubynskiy , A. Gorsky , M. B. Voloshin

For strongly interacting systems holographic duality is a powerful framework for computing e.g. dispersion relations to all orders in perturbation theory. Using the standard Reissner-Nordst\"om black hole as a holographic model for a…

High Energy Physics - Theory · Physics 2019-02-20 Ulf Gran , Marcus Tornsö , Tobias Zingg

We investigate the combined effect of rotation and finite chemical potential in the confinement/deconfinement transition of strongly interacting matter. The holographic description consists of a five-dimensional geometry that contains a…

High Energy Physics - Theory · Physics 2025-07-02 Nelson R. F. Braga , Octavio C. Junqueira

We discuss the physics of sound propagation and charge diffusion in a plasma with non-vanishing charge density. Our analysis culminates the program initiated in arXiv:2108.03244 to construct an open effective field theory of low-lying modes…

High Energy Physics - Theory · Physics 2023-04-18 Temple He , R. Loganayagam , Mukund Rangamani , Julio Virrueta

There are strong indications that ultra-relativistic heavy ion collisions, produced in accelarators, lead to the formation of a new state of matter: the quark gluon plasma (QGP). This deconfined QCD matter is expected to exist just for very…

High Energy Physics - Phenomenology · Physics 2020-03-24 Nelson R. F. Braga , Rodrigo da Mata

Exploring heavy vector mesons of the $ J / \psi$ and $ \Upsilon ( 1 S )$ is crucial for understanding the quark gluon plasma (QGP) formed in heavy ion collisions. The influences of rotational effect on the properties of the $ J / \psi$ and…

High Energy Physics - Phenomenology · Physics 2024-12-10 Xiao-Long Wang , Sheng-Qin Feng
‹ Prev 1 2 3 10 Next ›