Quantum cryptography based on qutrit Bell inequalities
Dagomir Kaszlikowski, Daniel K. L. Oi, Matthias Christandl, Kelken Chang, ARTUR K. EKERT, L. C. Kwek, C. H. Oh · Physical Review A · 2003
We present a cryptographic protocol based upon entangled qutrit pairs. We analyze the scheme under a symmetric incoherent attack and plot the region for which the protocol is secure and compare this with the region of violations of certain Bell inequalities.