title: Quantum clock synchronization based on shared prior entanglement
abstract: We demonstrate that two spatially separated parties (Alice and Bob) can utilize shared prior quantum entanglement, and classical communications, to establish a synchronized pair of atomic clocks. In contrast to classical synchronization schemes, the accuracy of our protocol is independent of Alice's or Bob's knowledge of their relative locations or of the properties of the intervening medium.
authors.affiliation: Department of Computer Science, University of Bristol, Merchant Venturers Building, Woodland Road, Bristol BS8 1UB, United Kingdom.
authors.initials: R
authors.lastname: Jozsa
authors.initials: DS
authors.lastname: Abrams
authors.initials: JP
authors.lastname: Dowling
authors.initials: CP
authors.lastname: Williams