Colliding solitary waves in quark gluon plasmas

Azam Rafiei and Kurosh Javidan
Phys. Rev. C 94, 034904 – Published 20 September 2016

Abstract

We study the head-on collision of propagating waves due to perturbations in quark gluon plasmas. We use the Massachusetts Institute of Technology bag model, hydrodynamics equation, and suitable equation of state for describing the time evolution of such localized waves. A nonlinear differential equation is derived for the propagation of small amplitude localized waves using the reductive perturbation method. We show that these waves are unstable and amplitude of the left-moving (right-moving) wave increases (decreases) after the collision, and so they reach the borders of a quark gluon plasma fireball with different amplitudes. Indeed we show that such arrangements are created because of the geometrical symmetries of the medium.

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  • Received 28 April 2016
  • Revised 12 August 2016

DOI:https://doi.org/10.1103/PhysRevC.94.034904

©2016 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Azam Rafiei and Kurosh Javidan*

  • Department of Physics, Faculty of Science, Ferdowsi University of Mashhad, 91775-1436 Mashhad, Iran

  • *javidan@um.ac.ir

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Issue

Vol. 94, Iss. 3 — September 2016

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