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We construct a series of charged dilatonic black holes which share zeroentropy in the zero temperature limit using Einstein-Maxwell-Dilaton theories.In these black holes, the wave functions and the Green's functions of masslessfermions can be solved exactly in terms of special functions in the phase spaceof $(\omega,k)$. We observe that for sufficiently large charge, there are manypoles in the Green's function with vanishing $\omega$, which strongly signifiesthat Fermi surfaces exist in these holographic systems. The new distinguishingproperties of the Green's function arising in these systems were illustratedwith great details. We also study the poles motion of the Green's function forarbitrary (complex) frequency. Our analytic results provide a more realisticand elegant approach to study strongly correlated fermionic systems usinggauge/gravity duality.

Exact fermionic Green's functions from holograpny