33 research outputs found
Spectral function of the supersymmetry current
We continue our study of the retarded Green's function of the universal
fermionic supersymmetry current ("supercurrent") for the most general class of
d=3 N=2 SCFTs with D=10 or D=11 supergravity duals by studying the propagation
of the Dirac gravitino in the electrically charged AdS-Reissner-Nordstr\"om
black-brane background of N=2 minimal gauged supergravity in D=4. We expand
upon results presented in a companion paper, including the absence of a Fermi
surface and the appearance of a soft power-law gap at zero temperature. We also
present the analytic solution of the gravitino equation in the AdS_2 X R^2
background which arises as the near-horizon limit at zero temperature. In
addition we determine the quasinormal mode spectrum.Comment: 65 pages, 6 Figs; version published in journa