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Showing 2007 · quant-phShow all
3 papers · 2 filters
quant-ph2007★ 10 cited
Extending Bell inequalities to more parties
Yu-Chun Wu, Piotr Badziag, Marcin Wieśniak +1
We describe a method of extending Bell inequalities from to parties and formulate sufficient conditions for our method to produce tight inequalities from tight inequaliti…
quant-ph2007★ 3 cited
Duality relation and joint measurement in a Mach-Zehnder Interferometer
Nai-Le Liu, Li Li, Sixia Yu +1
The Mach-Zehnder interferometric setup quantitatively characterizing the wave-particle duality implements in fact a joint measurement of two unsharp observables. We present a neces…
quant-ph2007★ 14 cited
A Witness of Multipartite Entanglement Strata
Dagomir Kaszlikowski, Alastair Kay
We describe an entanglement witness for -qubit mixed states based on the properties of -point correlation functions. Depending on the degree of violation, this witness can gu…