Relativistic Dissipative Hydrodynamics: A Minimal Causal Theory
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We present a new formalism for the theory of relativistic dissipative hydrodynamics. Here, we look for the minimal structure of such a theory which satisfies the covariance and causality by introducing the memory effect in irreversible currents. Our theory has a much simpler structure and thus has several advantages for practical purposes compared to the Israel-Stewart theory (IS). It can readily be applied to the full three-dimensional hydrodynamical calculations. We apply our formalism to the Bjorken model and the results are shown to be analogous to the IS.
25 pages, 2 figures, Phys. Rev. C in press
25 pages, 2 figures, Phys. Rev. C in press