Logarithmic entanglement growth in two-dimensional disordered fermionic systems
Abstract
We investigate the growth of the entanglement entropy Sent following global quenches in two-dimensional free fermion models with potential and bond disorder. For the potential disorder case we show that an intermediate weak localization regime exists in which Sent(t) grows logarithmically in time t before Anderson localization sets in. For the case of binary bond disorder near the percolation transition we find additive logarithmic corrections to area and volume laws as well as a scaling at long times which is consistent with an infinite randomness fixed point.
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