12-18 August 2012
US/Eastern timezone

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New relativistic dissipative fluid dynamics from kinetic theory

16 Aug 2012, 16:00
2h
Regency 1/3 and Ambassador ()

Regency 1/3 and Ambassador

Poster New theoretical developments Poster Session Reception

Speaker

Amaresh Jaiswal (Tata Institute of Fundamental research, Mumbai)

Description

Starting with the relativistic Boltzmann equation where the collision term is generalized to include nonlocal effects, and using Grad's 14-moment approximation for the single-particle distribution function, we derive equations for the relativistic dissipative fluid dynamics. We compare them with the corresponding equations obtained in the standard Israel-Stewart and related approaches. Our method generates all the second-order terms that are allowed by symmetry, some of which have been missed by the traditional approaches, and the coefficients of other terms are altered. The first-order or Navier-Stokes equations too get modified. Significance of these findings is demonstrated in the framework of one-dimensional Bjorken scaling expansion of the matter formed in relativistic heavy-ion collisions.

Primary author

Amaresh Jaiswal (Tata Institute of Fundamental research, Mumbai)

Co-authors

Rajeev Bhalerao (TIFR) Subrata Pal (Tata Institute of Fundamental Research, Mumbai, India)

Presentation Materials

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