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Titolo:
RELATIVISTIC HYDRODYNAMICS FOR HEAVY-ION COLLISIONS .1. GENERAL-ASPECTS AND EXPANSION INTO VACUUM
Autore:
RISCHKE DH; BERNARD S; MARUHN JA;
Indirizzi:
COLUMBIA UNIV,DEPT PHYS,PUPIN PHYS LABS,538 W 120TH ST NEW YORK NY 10027 UNIV FRANKFURT,INST THEORET PHYS D-60054 FRANKFURT GERMANY
Titolo Testata:
Nuclear physics. A
fascicolo: 3, volume: 595, anno: 1995,
pagine: 346 - 382
SICI:
0375-9474(1995)595:3<346:RHFHC.>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
NUCLEUS-NUCLEUS COLLISIONS; FLUX-CORRECTED TRANSPORT; PHASE-TRANSITIONS; SHOCK-WAVES; DYNAMICS; MATTER; MODEL; EQUILIBRATION; ALGORITHMS; EQUATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
75
Recensione:
Indirizzi per estratti:
Citazione:
D.H. Rischke et al., "RELATIVISTIC HYDRODYNAMICS FOR HEAVY-ION COLLISIONS .1. GENERAL-ASPECTS AND EXPANSION INTO VACUUM", Nuclear physics. A, 595(3), 1995, pp. 346-382

Abstract

We present algorithms to solve relativistic hydrodynamics in (3+1)-dimensional situations without apparent symmetry to simplify the solution. In simulations of heavy-ion collisions, these numerical schemes have to deal with the physical vacuum and with equations of state with a first order phase transition between hadron matter and a quark-gluon plasma, i.e. rather special conditions fluid-dynamical algorithms are usually not confronted with. Therefore, prior to applying them directlyto the simulation of heavy-ion collisions, one should investigate their performance in well-controlled situations. We consider here the one-dimensional expansion of baryon-free nuclear matter into the vacuum, which is an analytically solvable test problem that incorporates both the aspect of the vacuum as well as that of a phase transition in the equation of state. The dependence of the lifetime of the mixed phase on the initial energy density is discussed.

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Documento generato il 09/07/20 alle ore 14:11:42