Supersymmetric hydrodynamics from the AdS/CFT correspondence
classification
✦ hep-th
keywords
modeappearsattenuationcoefficientcomputecorrelatorcorrespondencecoupling
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We compute holographically the dispersion relation for a hydrodynamic mode of fluctuation (the phonino) of the density of supersymmetry current in N = 4 SYM at strong coupling. The mode appears as a pole at low frequency and momentum in the correlator of supercurrents. It has a wave-like propagation, and we find its speed and coefficient of attenuation.
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