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Title of Journal: Astrophys Space Sci

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Abbravation: Astrophysics and Space Science

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Springer Netherlands

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DOI

10.1002/chin.200924265

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1572-946X

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Lee yang theory for cosmological many body problem

Authors: Mohammad S Khan Manzoor A Malik
Publish Date: 2013/07/04
Volume: 348, Issue: 1, Pages: 211-215
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Abstract

We study the phase transition in a gravitating system by analyzing grand canonical partition function as a function of complex fugacity We extend the YangLee theory to study phase transitions in the gravitational galaxy clustering of galaxies having a variety of masses This generalizes our previous work based on the same theory for the singlecomponent system to a multicomponent system We find that galaxy clustering is sensitive to masses and number densities of individual galaxies at early stages while at later stages collective behavior of the particles is more pronounced This validates our earlier work obtained from different considerations

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