Unusual wave-packet spreading and entanglement dynamics in non-Hermitian disordered many-body systems
Unusual wave-packet spreading and entanglement dynamics in non-Hermitian disordered many-body systems
Non-Hermiticity and dephasing, collaborating in an unusual wave-packet dynamics, realize unconventional entanglement evolution in a disordered, interacting, and asymmetric (nonreciprocal) quantum medium. Taking the Hatano-Nelson model as a concrete example, we first consider how wave packet spreads in a non-Hermitian disordered system for demonstrating that it is very different from …