Longitudinal hydrodynamics from event-by-event Landau initial conditions
Abstract
Here we investigate three-dimensional ideal hydrodynamic evolution, with Landau initial conditions, incorporating event-by-event variation with many events and transverse density inhomogeneities. We show that the transition to boost-invariant flow occurs too late for realistic setups, with corrections of θ (20%-30%) expected at freeze-out for most scenarios. Moreover, the deviation from boost invariance is correlated with both transverse flow and elliptic flow, with the more highly transversely flowing regions also showing the most violation of boost invariance. Therefore, if longitudinal flow is not fully developed at the early stages of heavy ion collisions, hydrodynamics where boost invariance holds at midrapidity is inadequate to extract transport coefficients of the quark-gluon plasma. We conclude by arguing that developing experimental probes of boost invariance is necessary, and suggest some promising directions in this regard.
- Authors:
-
- Univ. of Tennessee, Knoxville, TN (United States)
- Frankfurt Inst. for Advanced Studies (FIAS), Frankfurt (Germany)
- Univ. of Campinas, Sao Paulo (Brazil)
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1261410
- Alternate Identifier(s):
- OSTI ID: 1181590
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 2; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Sen, Abhisek, Gerhard, Jochen, Torrieri, Giorgio, Read, Kenneth, and Wong, Cheuk-Yin. Longitudinal hydrodynamics from event-by-event Landau initial conditions. United States: N. p., 2015.
Web. doi:10.1103/PhysRevC.91.024901.
Sen, Abhisek, Gerhard, Jochen, Torrieri, Giorgio, Read, Kenneth, & Wong, Cheuk-Yin. Longitudinal hydrodynamics from event-by-event Landau initial conditions. United States. https://doi.org/10.1103/PhysRevC.91.024901
Sen, Abhisek, Gerhard, Jochen, Torrieri, Giorgio, Read, Kenneth, and Wong, Cheuk-Yin. Mon .
"Longitudinal hydrodynamics from event-by-event Landau initial conditions". United States. https://doi.org/10.1103/PhysRevC.91.024901. https://www.osti.gov/servlets/purl/1261410.
@article{osti_1261410,
title = {Longitudinal hydrodynamics from event-by-event Landau initial conditions},
author = {Sen, Abhisek and Gerhard, Jochen and Torrieri, Giorgio and Read, Kenneth and Wong, Cheuk-Yin},
abstractNote = {Here we investigate three-dimensional ideal hydrodynamic evolution, with Landau initial conditions, incorporating event-by-event variation with many events and transverse density inhomogeneities. We show that the transition to boost-invariant flow occurs too late for realistic setups, with corrections of θ (20%-30%) expected at freeze-out for most scenarios. Moreover, the deviation from boost invariance is correlated with both transverse flow and elliptic flow, with the more highly transversely flowing regions also showing the most violation of boost invariance. Therefore, if longitudinal flow is not fully developed at the early stages of heavy ion collisions, hydrodynamics where boost invariance holds at midrapidity is inadequate to extract transport coefficients of the quark-gluon plasma. We conclude by arguing that developing experimental probes of boost invariance is necessary, and suggest some promising directions in this regard.},
doi = {10.1103/PhysRevC.91.024901},
journal = {Physical Review C, Nuclear Physics},
number = 2,
volume = 91,
place = {United States},
year = {Mon Feb 02 00:00:00 EST 2015},
month = {Mon Feb 02 00:00:00 EST 2015}
}
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