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|Title:||A unified quantum NOT gate||Authors:||Yu, Z.-W.
|Issue Date:||2009||Citation:||Yu, Z.-W., Ni, X.-T., Kwek, L.C., Wang, X.-B. (2009). A unified quantum NOT gate. Journal of Physics A: Mathematical and Theoretical 42 (20) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/1751-8113/42/20/205304||Abstract:||We study the universal quantum NOT machine (approximate) when the quantum state lies between two latitudes on the Bloch sphere and present an analytical formula for the optimized 1-to-M quantum NOT gate. Our result generalizes previous results concerning a quantum NOT gate for a quantum state distributed uniformly on the whole Bloch sphere as well as for the phase-covariant quantum state. We have also shown that such a 1-to-M optimized NOT gate can be implemented using a sequential generation scheme via matrix product states. © 2009 IOP Publishing Ltd.||Source Title:||Journal of Physics A: Mathematical and Theoretical||URI:||http://scholarbank.nus.edu.sg/handle/10635/115571||ISSN:||17518113||DOI:||10.1088/1751-8113/42/20/205304|
|Appears in Collections:||Staff Publications|
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