Abstract
In applications like quantum ciyptography and quantum tomography, it has been shown to be advantageous to use a set of mutualty unbiased bases MUB [1]. Such complete basis sets have the property that if a state is prepared as a basis state in one basis, and subsequently measured by projecting it onto the basis state in a mutualty unbiased basis, the projection probability is N−1 where N is the Hilbert space dimension, or equivalently, the number of basis states.
© 2007 IEEE
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