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We present a table-top realization of a non-equilibrium quantum systemdescribed by a dynamical gauge field propagating on an effectively curved spaceand time manifold. The system is formed by neutral atoms interacting with botha conservative disordered optical field and a dissipative pumping field. In thepresence of a sufficiently dark state, we demonstrate non-equilibrium behaviorreminiscent of the information paradox in black hole physics. At a well-definedtransition point, the analog of gauge-boson mass is seen to vanish, inducingscale-invariant behavior as a Higgs-like mechanism is removed. The subsequentscaling behavior can be understood using the holographic principle with atunable analog of the Planck length derived from the scaling of disorder. Theseeffects suggest a range of new phenomena in weakly dissipative quantum systems,including the presence of analog forms of emergent gravitation.

Dynamical Gauge Effects and Holographic Scaling of Non-Equilibrium Motion in a Disordered and Dissipative Atomic Gas