Variational Approach to Hydrodynamics - from QGP to General Relativity
Elze, H. -Th. · Kodama, T. · Hama, Y. · Makler, M. · Rafelski, J.
الأصل · EN
We derive the special and general relativistic hydrodynamic equations of motion for ideal fluids from a variational principle. Our approach allows to find approximate solutions, whenever physically motivated trial functions can be used. Illustrating this, a Rayleigh-Plesset type equation for the relativistic motion of a spherical (QGP) droplet is obtained. Also the corresponding general relativistic effective Lagrangian for spherically symmetric systems is presented.
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