Weak Measurement and Weak Information |
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Authors: | Boaz Tamir Sergei Masis |
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Affiliation: | (1) Israel Institute for Advanced Research, Rehovot, Israel;(2) Department of physics, Technion, Haifa, Israel |
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Abstract: | Weak measurement devices resemble band pass filters: they strengthen average values in the state space or equivalently filter out some ‘frequencies’ from the conjugate Fourier transformed vector space. We thereby adjust a principle of classical communication theory for the use in quantum computation. We discuss some of the computational benefits and limitations of such an approach, including complexity analysis, some simple examples and a realistic not-so-weak approach. |
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