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quant-ph2010★ 9 cited
Approximating incompatible von Neumann measurements simultaneously
Teiko Heinosaari, Maria Anastasia Jivulescu, Daniel Reitzner +1
We study the problem of performing orthogonal qubit measurements simultaneously. Since these measurements are incompatible, one has to accept additional imprecision. An optimal joi…
quant-ph2007★ 30 cited
Unambiguous coherent state identification: Searching a quantum database
Michal Sedlak, Mario Ziman, Ondrej Pribyla +2
We consider an unambiguous identification of an unknown coherent state with one of two unknown coherent reference states. Specifically, we consider two modes of an electromagnetic…