| Issue |
EPJ Web Conf.
Volume 137, 2017
XIIth Quark Confinement and the Hadron Spectrum
|
|
|---|---|---|
| Article Number | 09007 | |
| Number of page(s) | 8 | |
| Section | Section F: Nuclear and Astroparticle Physics | |
| DOI | https://doi.org/10.1051/epjconf/201713709007 | |
| Published online | 22 March 2017 | |
https://doi.org/10.1051/epjconf/201713709007
Effects of Induced Surface Tension in Nuclear and Hadron Matter
1 Bogolyubov Institute for Theoretical Physics, Metrologichna str. 14 B, Kiev 03680, Ukraine
2 FIAS, Goethe-University, Ruth-Moufang Str. 1, 60438 Frankfurt upon Main, Germany
3 Kurchatov Institute, Russian Research Center, Akademika Kurchatova Sqr., Moscow, 123182, Russia
a e-mail: sagun@bitp.kiev.ua
Published online: 22 March 2017
Short range particle repulsion is rather important property of the hadronic and nuclear matter equations of state. We present a novel equation of state which is based on the virial expansion for the multicomponent mixtures with hard-core repulsion. In addition to the hard-core repulsion taken into account by the proper volumes of particles, this equation of state explicitly contains the surface tension which is induced by another part of the hard-core repulsion between particles. At high densities the induced surface tension vanishes and the excluded volume treatment of hard-core repulsion is switched to its proper volume treatment. Possible applications of this equation of state to a description of hadronic multiplicities measured in A+A collisions, to an investigation of the nuclear matter phase diagram properties and to the neutron star interior modeling are discussed.
© The Authors, published by EDP Sciences, 2017
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