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Trapped Ion Quantum Computing

Continuous-Variable Protocols in the Noisy-Storage Model

arXiv
Authors: Fabian Furrer, Christian Schaffner, Stephanie Wehner

Year

2015

Paper ID

26961

Status

Preprint

Abstract Read

~2 min

Abstract Words

109

Citations

N/A

Abstract

We present the first protocol for oblivious transfer that can be implemented with an optical continuous-variable system, and prove its security in the noisy-storage model. This model allows security to be achieved by sending more quantum signals than an attacker can reliably store at one specific point during the protocol. Concretely, we determine how many signals need to be sent in order to achieve security by establishing a trade-off between quantum uncertainty generated in the protocol and the classical capacity of the memory channel. As our main technical tool, we study and derive new uncertainty relations for continuous-variable systems. Finally, we provide explicit security parameters for realistic memory models.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2015 reference point for readers tracking recent quantum research.
  • We present the first protocol for oblivious transfer that can be implemented with an optical continuous-variable system, and prove its security in the noisy-storage model.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1509.09123 [2] arXiv https://arxiv.org/abs/1509.09123 [3] Publisher https://arxiv.org/abs/1509.09123

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