The interfacial surface tension of a quark-gluon plasma fireball in a hadronic medium |
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| Authors: | R Ramanathan K K Gupta Agam K Jha S S Singh |
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| Institution: | (1) Department of Physics, University of Delhi, Delhi, 110 007, India;(2) Department of Physics, Ramjas College, University of Delhi, Delhi, 110 007, India |
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| Abstract: | We calculate the interfacial surface tension of a QGP-fireball in a hadronic medium in the Ramanathan et al statistical model. The constancy of the ratio of the surface tension with the cube of the critical transition temperature
is in overall accordance with lattice QCD findings. It is in complete agreement with a recent MIT bag model calculation of
surface tension. The velocity of sound in the QGP droplet is predicted to be in the range (0.27 ± 0.02) times the velocity
of light in vacuum and this value is independent of both the value of the transition temperature and the model parameters.
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| Keywords: | Quark-gluon plasma quark-hadron phase transition |
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