Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.230501
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Funding
- JSPS
- MEXT
- Leverhulme Trust
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We give a cheat sensitive protocol for blind universal quantum computation that is efficient in terms of computational and communication resources: it allows one party to perform an arbitrary computation on a second party's quantum computer without revealing either which computation is performed, or its input and output. The first party's computational capabilities can be extremely limited: she must only be able to create and measure single-qubit superposition states. The second party is not required to use measurement-based quantum computation. The protocol requires the (optimal) exchange of O(Jlog(2)(N)) single-qubit states, where J is the computational depth and N is the number of qubits needed for the computation.
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