Optimal eavesdropping in cryptography with three-dimensional quantum states

Details Optimal eavesdropping in cryptography with three-dimensional quantum states Optimal eavesdropping in cryptography with three-dimensional quantum states

2001-06-22

arxiv.org/abs/quant-ph/0106126v2

Phys. Rev. Lett. 88, 127901 (2002)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.88.127901

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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