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Title: Quarkonium in-medium transport equation derived from first principles

Journal Article · · Physical Review. D.
 [1];  [1]
  1. Duke Univ., Durham, NC (United States)

We use the open quantum system formalism to study the dynamical in-medium evolution of quarkonium. The system of quarkonium is described by potential nonrelativistic QCD while the environment is a weakly coupled quark-gluon plasma in local thermal equilibrium below the melting temperature of the quarkonium. Under the Markovian approximation, it is shown that the Lindblad equation leads to a Boltzmann transport equation if a Wigner transform is applied to the system density matrix. Our derivation illuminates how the microscopic time reversibility of QCD is consistent with the time-irreversible in-medium evolution of quarkonium states. Static screening, dissociation, and recombination of quarkonium are treated in the same theoretical framework. In addition, quarkonium annihilation is included in a similar way, although the effect is negligible for the phenomenology of the current heavy ion collision experiments. The methods used here can be extended to study quarkonium dynamical evolution inside a strongly coupled QGP, a hot medium out of equilibrium, or cold nuclear matter, which is important to studying quarkonium production in heavy ion, proton-ion, and electron-ion collisions.

Research Organization:
Duke Univ., Durham, NC (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
FG02-05ER41367; FG02-05ER41368
OSTI ID:
1523685
Alternate ID(s):
OSTI ID: 1609635
Journal Information:
Physical Review. D., Vol. 99, Issue 9; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 66 works
Citation information provided by
Web of Science

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  • Yao, Xiaojun; Ke, Weiyao; Xu, Yingru
  • Proceedings of International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions — PoS(HardProbes2018) https://doi.org/10.22323/1.345.0157
conference April 2019
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Cited By (12)

Finite volume effects on the quarkonium dissociation temperature in an impenetrable QGP sphere journal July 2019
Quantum Brownian motion of a heavy quark pair in the quark-gluon plasma journal February 2020
Quarkonium inside the quark-gluon plasma: Diffusion, dissociation, recombination, and energy loss journal July 2019
An Effective Theory of Quarkonia in QCD Matter journal January 2021
An effective theory of quarkonia in QCD matter journal October 2019
Quarkonium inside Quark-Gluon Plasma: Diffusion, Dissociation, Recombination and Energy Loss text January 2018
Quantum Brownian motion of a heavy quark pair in the quark-gluon plasma text January 2019
Second law of thermodynamics for relativistic fluids formulated with relative entropy journal November 2020
Quarkonium Production in the QGP journal May 2019
Improved Gauss law model and in-medium heavy quarkonium at finite density and velocity text January 2019
Dark Matter bound-state formation at higher order: a non-equilibrium quantum field theory approach text January 2020
Bottomonium suppression and elliptic flow from real-time quantum evolution text January 2020

Figures / Tables (1)