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Related papers: Nonequilibrium evolution of quarkonium in medium

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We review recent progress in understanding quarkonium dynamics inside the quark-gluon plasma as an open quantum system with a focus on the definition and nonperturbative calculations of relevant transport coefficients and generalized gluon…

High Energy Physics - Phenomenology · Physics 2024-01-08 Bruno Scheihing Hitschfeld , Xiaojun Yao

We use the open quantum system formalism to study the dynamical in-medium evolution of quarkonium. The system of quarkonium is described by potential non-relativistic QCD while the environment is a weakly coupled quark-gluon plasma in local…

High Energy Physics - Phenomenology · Physics 2019-06-04 Xiaojun Yao , Thomas Mehen

In this proceedings contribution, I review recent work that aims to provide a more comprehensive and systematic understanding of bottomonium dynamics in the quark-gluon plasma using an open quantum system (OQS) approach that is applied in…

High Energy Physics - Phenomenology · Physics 2023-01-11 Michael Strickland

Quarkonium suppression in relativistic heavy ion collisions has been studied experimentally for decades to probe the properties of the quark-gluon plasma. For this purpose, complete theoretical understanding of the time evolution of…

High Energy Physics - Phenomenology · Physics 2022-01-20 Xiaojun Yao

We study the properties of the Lindbladian quantum mechanical evolution of quarkonia with non-Abelian charges (color-singlet and octet) in the quark-gluon plasma. We confirm that heavy quark recoils in the Lindblad equation correctly…

Nuclear Theory · Physics 2022-10-19 Takahiro Miura , Yukinao Akamatsu , Masayuki Asakawa , Yukana Kaida

In this paper we study the real-time evolution of heavy quarkonium in the quark-gluon plasma (QGP) on the basis of the open quantum systems approach. In particular, we shed light on how quantum dissipation affects the dynamics of the…

Nuclear Theory · Physics 2020-02-19 Takahiro Miura , Yukinao Akamatsu , Masayuki Asakawa , Alexander Rothkopf

I review recent applications of the open quantum system framework in the understanding of quarkonium suppression in heavy-ion collisions, which has been used as a probe of the quark-gluon plasma for decades. The derivation of the Lindblad…

High Energy Physics - Phenomenology · Physics 2021-08-10 Xiaojun Yao

We address the evolution of heavy-quarkonium states in an expanding quark-gluon plasma by implementing effective field theory techniques in the framework of open quantum systems. In this setting we compute the nuclear modification factors…

High Energy Physics - Phenomenology · Physics 2017-08-30 Nora Brambilla , Miguel A. Escobedo , Joan Soto , Antonio Vairo

We investigate some consequences of the possibility that heavy quarkonia in a quark-gluon plasma possess different (quasi-) bound states, between which transitions are possible. In particular, we show that the time-evolution eigenstates in…

High Energy Physics - Phenomenology · Physics 2011-03-16 Nicolas Borghini , Clement Gombeaud

The evolution of quarkonia in the QGP medium can be described through the formalism of Open Quantum Systems (OQS). In previous works with OQS, the quarkonium evolution was studied by working in either quantum Brownian or optical regime. In…

High Energy Physics - Phenomenology · Physics 2026-01-01 Vyshakh B R , Rishi Sharma

We calculate the dissociation and recombination rates of $\Upsilon(1S)$ in quark-gluon plasma by using potential non-relativistic QCD. We then study the dynamical in-medium evolution of the $b\bar{b}-\Upsilon$ system in a periodic box via…

High Energy Physics - Phenomenology · Physics 2018-04-10 Xiaojun Yao , Berndt Müller

Transport equations have been applied successfully to describe the quarkonium evolution inside the quark-gluon plasma, which include both plasma screening effects and recombination. We demonstrate how the quarkonium transport equation is…

High Energy Physics - Phenomenology · Physics 2020-09-03 Xiaojun Yao , Weiyao Ke , Yingru Xu , Steffen Bass , Thomas Mehen , Berndt Müller

The problem of the evolution of a heavy quarkonium in a medium can be recast as that of a quantum dissipative system. Within the framework of the master-equation approach to open quantum systems, we consider the real-time dynamics of…

Nuclear Theory · Physics 2012-05-17 Nicolas Borghini , Clement Gombeaud

Dissociation of quarkonium in quark-gluon plasma (QGP) is a long standing topic in relativistic heavy-ion collisions because it has been believed to signal one of the fundamental natures of the QGP -- Debye screening due to the liberation…

Nuclear Theory · Physics 2021-12-20 Yukinao Akamatsu

We perform a comprehensive study of the time evolution of heavy-quarkonium states in an expanding hot QCD medium by implementing effective field theory techniques in the framework of open quantum systems. The formalism incorporates…

High Energy Physics - Phenomenology · Physics 2018-04-18 Nora Brambilla , Miguel A. Escobedo , Joan Soto , Antonio Vairo

We present numerical solutions in a one-dimensional setting of quantum master equations that have been recently derived. We focus on the dynamics of a single heavy quark-antiquark pair in a Quark-Gluon Plasma in thermal equilibrium, in the…

High Energy Physics - Phenomenology · Physics 2024-11-05 Stéphane Delorme , Roland Katz , Thierry Gousset , Pol Bernard Gossiaux , Jean-Paul Blaizot

What is the dynamics of heavy quarks and antiquarks in a quark gluon plasma? Can heavy-quark bound states dissociate? Can they (re)combine? These questions are addressed by investigating a Lindblad equation that describes the quantum…

High Energy Physics - Phenomenology · Physics 2017-08-29 Davide De Boni

Plasma instabilities are parametrically the dominant nonequilibrium dynamics of a weakly coupled quark-gluon plasma. In recent years the time evolution of the corresponding collective colour fields has been studied in stationary anisotropic…

High Energy Physics - Phenomenology · Physics 2009-11-13 Anton Rebhan

We study the production of the conventional quarkonium states in ultrarelativistic heavy-ion collisions using an open quantum system framework based on the Lindblad equation. Starting from the complex-valued in-medium potential, we derive…

High Energy Physics - Phenomenology · Physics 2026-05-20 Néstor Armesto , Miguel Ángel Escobedo , Elena G. Ferreiro , Víctor López-Pardo

By employing the potential non-relativistic quantum chromodynamics (pNRQCD) effective field theory within an open quantum system framework, we derive a Lindblad equation governing the evolution of the heavy-quarkonium reduced density…

High Energy Physics - Phenomenology · Physics 2025-03-31 Ajaharul Islam , Nora Brambilla , Miguel Ángel Escobedo , Michael Strickland , Antonio Vairo , Peter Vander Griend
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