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Title: Holographic entropy and real-time dynamics of quarkonium dissociation in non-Abelian plasma

Journal Article · · Physical Review D
 [1];  [2]
  1. Stony Brook Univ., Stony Brook, NY (United States); Utrecht Univ., Utrecht (The Netherlands)
  2. Stony Brook Univ., Stony Brook, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
+ Show Author Affiliations

The peak of the heavy quark pair entropy at the deconfinement transition, observed in lattice QCD, suggests that the transition is effectively driven by the increase of the entropy of bound states. The growth of the entropy with the interquark distance leads to the emergent entropic force that induces dissociation of quarkonium states. Since the quark-gluon plasma around the transition point is a strongly coupled system, we use the gauge-gravity duality to study the entropy of heavy quarkonium and the real-time dynamics of its dissociation. In particular, we employ the improved holographic QCD model as a dual description of large Nc Yang-Mills theory. Studying the dynamics of the fundamental string between the quarks placed on the boundary, we find that the entropy peaks at the transition point. We also study the real-time dynamics of the system by considering the holographic string falling in the black hole horizon where it equilibrates. As a result, in the vicinity of the deconfinement transition, the dissociation time is found to be less than a fermi, suggesting that the entropic destruction is the dominant dissociation mechanism in this temperature region.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC00112704; FG-88ER40388; SC0012704
OSTI ID:
1295211
Alternate ID(s):
OSTI ID: 1249744
Report Number(s):
BNL-112401-2016-JA
Journal Information:
Physical Review D, Vol. 93, Issue 8; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Cited By (5)

Free energy of a heavy quark-antiquark pair in a thermal medium from AdS/CFT journal March 2018
Entropic destruction of a moving heavy quarkonium journal July 2016
Free energy of a heavy quark-antiquark pair in a thermal medium from AdS/CFT text January 2018
Entropic destruction of a moving heavy quarkonium text January 2015
Free Energy of a Heavy Quark-Antiquark Pair in a Thermal Medium from AdS/CFT text January 2016

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS