Publications (124)
Quantum Bit String Commitment
Adrian Kent
A bit string commitment protocol securely commits classical bits in such a way that the recipient can extract only bits of information about the string. Classical reasoni…
Dualities and Twins: Reflections on Hapgood
Adrian Kent
These programme notes were written for a production of "Hapgood" at the Hampstead Theatre, London in December 2015. I thank Sir Tom Stoppard for helpful suggestions.
Unconditionally secure device-independent quantum key distribution with only two devices
Jonathan Barrett, Roger Colbeck, Adrian Kent
Device-independent quantum key distribution is the task of using uncharacterized quantum devices to establish a shared key between two users. If a protocol is secure regardless of…
Time and distance constraints for mass and charge interferometry
Adrian Kent
We reanalyse and extend constraints on mass and charge interferometry identified by Mari et al. (2016). We show that their constraint on the time required for coherent interference…
Secure and Robust Transmission and Verification of Unknown Quantum States in Minkowski Space
Adrian Kent, Serge Massar, Jonathan Silman
An important class of cryptographic applications of relativistic quantum information work as follows. B generates a random qudit and supplies it to A at point P. A is supposed to t…
Flexible quantum tokens in spacetime
Adrian Kent, Damián Pitalúa-GarcÃa
S-money [Proc. R. Soc. A 475, 20190170 (2019)] schemes define virtual tokens designed for networks with relativistic or other trusted signalling constraints. The tokens allow near-…