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Showing 2008 · quant-phShow all
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quant-ph2008★ 39 cited
Realization schemes for quantum instruments in finite dimensions
Giulio Chiribella, Giacomo Mauro D'Ariano, Paolo Perinotti
We present a general dilation scheme for quantum instruments with continuous outcome space in finite dimensions, in terms of an indirect POVM measurement performed on a finite dime…
quant-ph2008★ 25 cited
Robust strategies for lossy quantum interferometry
Lorenzo Maccone, Giovanni De Cillis
We give a simple multiround strategy that permits to beat the shot noise limit when performing interferometric measurements even in the presence of loss. In terms of the average ph…
quant-ph2008★ 317 cited
Architectures for a quantum random access memory
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone
A random access memory, or RAM, is a device that, when interrogated, returns the content of a memory location in a memory array. A quantum RAM, or qRAM, allows one to access superp…