Friday, June 15, 2012

1206.2958 (Carlos Hoyos et al.)

Supersymmetric sound in fluids    [PDF]

Carlos Hoyos, Boaz Keren-Zur, Yaron Oz
We consider hydrodynamics in the context of spontaneously broken supersymmetry, which includes a massless fermionic mode, the phonino. We use two complementary approaches to describe the system: First, we construct a generating functional from which we derive the equations of motion of the fluid and of the phonino propagating through the fluid. Second, we use an effective field theory approach which utilizes a non-linear realization of supersymmetry to analyze the interactions between phoninos and phonons, and demonstrate the conservation of entropy in ideal fluids. We comment on possible phenomenological consequences for gravitino physics in the early universe.
View original: http://arxiv.org/abs/1206.2958

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