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Chaplygin gas with field-dependent Poincare symmetry

The relativistic generalization of the Chaplygin gas, put forward by Jackiw and Polychronakos, is derived in Duval's Kaluza-Klein framework, using a universal quadratic Lagrangian. Our framework yields a simplified proof of the field-dependent Poincaré symmetry Our action is related to the usual Nambu-Goto action [world volume] of $d$-branes in the same way as the Polyakov and the Nambu action are in strings theory.

preprint2002arXivOpen access
M. HassaïneP. A. Horváthy
hep-th
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M. HassaïneP. A. Horváthy

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