Baryon number diffusion with critical fluctuations

doi:10.1016/j.nuclphysa.2017.04.021

Title: Baryon number diffusion with critical fluctuations

Abstract

The description of dynamical fluctuations near the QCD critical point in heavy-ion collisions is crucial for understanding the existing and upcoming experimental data from the beam energy scan programs. In this talk we discuss the evolution of fluctuations of the net-baryon density as given by a stochastic diffusion equation. In conclusion we study equilibrium as well as dynamical systems for which we can show the impact of nonequilibrium effects on the second-order moment.

Authors:

Nahrgang, Marlene ^[1]; Bluhm, Marcus ^[2]; Schafer, Thomas ^[3]; Bass, Steffen A. ^[4]

SUBATECH UMR 6457 (IMT Atlantique, Univ. de Nantes, IN2P3/CNRS), Nantes (France)
Univ. of Wroclaw, Wroclaw (Poland)
North Carolina State Univ., Raleigh, NC (United States)
Duke Univ., Durham, NC (United States)

Publication Date:: 2017-09-25

Research Org.:: North Carolina State Univ., Raleigh, NC (United States); Duke Univ., Durham, NC (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1502400

Grant/Contract Number:: FG02-03ER41260; FG02-05ER41367

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Physics. A

Additional Journal Information:: Journal Volume: 967; Journal Issue: C; Journal ID: ISSN 0375-9474

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; QCD phase diagram; QCD critical point; critical fluctuations; stochastic baryon number diffusion; real-time dynamics

Citation Formats


                    Nahrgang, Marlene, Bluhm, Marcus, Schafer, Thomas, and Bass, Steffen A. Baryon number diffusion with critical fluctuations.  United States: N. p., 2017. 
        Web.  doi:10.1016/j.nuclphysa.2017.04.021.

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                    Nahrgang, Marlene, Bluhm, Marcus, Schafer, Thomas, & Bass, Steffen A. Baryon number diffusion with critical fluctuations.  United States.  doi:https://doi.org/10.1016/j.nuclphysa.2017.04.021

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                    Nahrgang, Marlene, Bluhm, Marcus, Schafer, Thomas, and Bass, Steffen A. Mon .  
        "Baryon number diffusion with critical fluctuations".  United States.  doi:https://doi.org/10.1016/j.nuclphysa.2017.04.021.  https://www.osti.gov/servlets/purl/1502400.

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@article{osti_1502400,

  title        = {Baryon number diffusion with critical fluctuations},

  author       = {Nahrgang, Marlene and Bluhm, Marcus and Schafer, Thomas and Bass, Steffen A.},

  abstractNote = {The description of dynamical fluctuations near the QCD critical point in heavy-ion collisions is crucial for understanding the existing and upcoming experimental data from the beam energy scan programs. In this talk we discuss the evolution of fluctuations of the net-baryon density as given by a stochastic diffusion equation. In conclusion we study equilibrium as well as dynamical systems for which we can show the impact of nonequilibrium effects on the second-order moment.},

  doi          = {10.1016/j.nuclphysa.2017.04.021},

  journal      = {Nuclear Physics. A},

  number       = C,

  volume       = 967,

  place        = {United States},

  year         = {2017},

  month        = {9}

}

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Journal Article:

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DOI: https://doi.org/10.1016/j.nuclphysa.2017.04.021

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Cited by: 2 works

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Figures / Tables:

Fig. 1. : Left: Temperature dependence of ξ and $m$² considered in this study, $T$_c = 0.15 GeV and ξ₀ = 0.479 fm. Right: Static structure factor $S$_$k$ as a function of momentum $k$ for $T$ = $T$_$c$ and $T$ = 0.5 GeV for different Δx (L = 10 fmmore »

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