Abstract
Supersymmetry is spontaneously broken when the field theory stress-energy tensor has a non-zero vacuum expectation value. In local supersymmetric field theories the massless gravitino and goldstino combine via the super-Higgs mechanism to a massive gravitino. We study this mechanism in four-dimensional fluids, where the vacuum expectation value of the stress-energy tensor breaks spontaneously both supersymmetry and Lorentz symmetry. We consider both constant as well as space-time dependent ideal fluids. We derive a formula for the gravitino mass in terms of the fluid velocity, energy density and pressure. We discuss some of the phenomenological implications.
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ArXiv ePrint: 1310.5002
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Benakli, K., Oz, Y. & Policastro, G. The super-Higgs mechanism in fluids. J. High Energ. Phys. 2014, 15 (2014). https://doi.org/10.1007/JHEP02(2014)015
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DOI: https://doi.org/10.1007/JHEP02(2014)015