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- Title
Experimental realization of quantum anonymous veto protocols using IBM quantum computer.
- Authors
Kumar, Satish; Pathak, Anirban
- Abstract
Veto is a kind of voting systems in which decisions are taken by consensus with the proposal being rejected even if at least one member disagrees. But, in certain situation, a member using right to veto may prefer to remain anonymous. This need leads to the requirement of the protocols for anonymous veto which can be viewed as a special type of voting. Recently, a few protocols for quantum anonymous veto have been designed which clearly show quantum advantages in ensuring anonymity of the veto. However, none of the efficient protocols for quantum anonymous veto have yet been experimentally realized. Here, we implement 2 of those protocols for quantum anonymous veto using an IBM quantum computer named IBMQ Manila and different quantum resources like Bell, GHZ and cluster states. In this set of proof-of-principle experiments, it is observed that using the present technology, a protocol for quantum anonymous veto can be realized experimentally if the number of parties who can veto remains small as in the case of UN council. Further, it is observed that Bell state-based protocol implemented here performs better than the GHZ/cluster state-based implementation of the other protocol in an ideal scenario as well as in presence of different types of noise (amplitude damping, phase damping, depolarizing and bit-flip noise). In addition, it is observed that based on diminishing impact on fidelity, different noise models studied here can be ordered in ascending order as phase damping, amplitude damping, depolarizing and bit-flip.
- Subjects
INTERNATIONAL Business Machines Corp.; UNITED Nations; VETO; QUANTUM computers
- Publication
Quantum Information Processing, 2022, Vol 21, Issue 9, p1
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-022-03650-2