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quant-ph2003
A criterion for testing multi-particle NPT entanglement
B. Zeng, D. L. Zhou, P. Zhang +2
We revisit the criterion of multi-particle entanglement based on the overlaps of a given quantum state with maximally entangled states. For a system of particles, each with…
quant-ph1998
Spatially sequential turn-on of spontaneous emission from an atomic wave packet
Marek Czachor, Li You
We discuss a simple example demonstrating that spontaneous emission from "space-time-superposed" atomic center-of-mass wave packets is nontrivially and time-dependent modified with…