From Complex to Stochastic Potential: Heavy Quarkonia in the Quark-Gluon Plasma

Rothkopf, Alexander (2013). From Complex to Stochastic Potential: Heavy Quarkonia in the Quark-Gluon Plasma. Modern Physics Letters A, 28(8), p. 1330005. World Scientific Publishing 10.1142/S021773231330005X

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The in-medium physics of heavy quarkonium is an ideal proving ground for our ability to connect knowledge about the fundamental laws of physics to phenomenological predictions. One possible route to take is to attempt a description of heavy quark bound states at finite temperature through a Schrödinger equation with an instantaneous potential. Here we review recent progress in devising a comprehensive approach to define such a potential from first principles QCD and extract its, in general complex, values from non-perturbative lattice QCD simulations. Based on the theory of open quantum systems we will show how to interpret the role of the imaginary part in terms of spatial decoherence by introducing the concept of a stochastic potential. Shortcomings as well as possible paths for improvement are discussed.

Item Type:

Journal Article (Original Article)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Institute of Theoretical Physics

UniBE Contributor:

Rothkopf, Alexander Karl

Subjects:

500 Science > 530 Physics

ISSN:

0217-7323

Publisher:

World Scientific Publishing

Language:

English

Submitter:

Esther Fiechter

Date Deposited:

12 Mar 2014 11:09

Last Modified:

16 Sep 2017 10:52

Publisher DOI:

10.1142/S021773231330005X

BORIS DOI:

10.7892/boris.43768

URI:

https://boris.unibe.ch/id/eprint/43768

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