Optimal eavesdropping in cryptography with three-dimensional quantum states
classification
🪐 quant-ph
keywords
eavesdroppingoptimalquantumcryptographystatesthree-dimensionalaccordingarbitrary
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We study optimal eavesdropping in quantum cryptography with three-dimensional systems, and show that this scheme is more secure than protocols using two-dimensional states. We generalize the according eavesdropping transformation to arbitrary dimensions, and discuss the connection with optimal quantum cloning.
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