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Long-Range Free Fermions: Lieb-Robinson Bound, Clustering Properties, and Topological Phases
Zongping Gong, Tommaso Guaita, J. Ignacio Cirac
We consider free fermions living on lattices in arbitrary dimensions, where hopping amplitudes follow a power-law decay with respect to the distance. We focus on the regime where t…
Free-fermion Page Curve: Canonical Typicality and Dynamical Emergence
Xie-Hang Yu, Zongping Gong, J. Ignacio Cirac
We provide further analytical insights into the newly established noninteracting (free-fermion) Page curve, focusing on both the kinematic and dynamical aspects. First, we unveil t…
Bound states and photon emission in non-Hermitian nanophotonics
Zongping Gong, Miguel Bello, Daniel Malz +1
We establish a general framework for studying the bound states and the photon-emission dynamics of quantum emitters coupled to structured nanophotonic lattices with engineered diss…
Anomalous Behaviors of Quantum Emitters in Non-Hermitian Baths
Zongping Gong, Miguel Bello, Daniel Malz +1
Both non-Hermitian systems and the behaviour of emitters coupled to structured baths have been studied intensely in recent years. Here we study the interplay of these paradigmatic…
Bounds in Nonequilibrium Quantum Dynamics
Zongping Gong, Ryusuke Hamazaki
We review various bounds concerning out-of-equilibrium dynamics in few-level and many-body quantum systems. We primarily focus on closed quantum systems but will also mention some…