Towards universal quantum computation through relativistic motion

David E. Bruschi, Carlos Sabín Pieter Kok Göran, Johansson, Per Delsing, and Ivette Fuentes

Scientific Reports 6, 18349 (2016)

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We show how to use relativistic motion and local phase shifts to generate continuous variable Gaussian cluster states within cavity modes. Our results can be demonstrated experimentally using superconducting circuits where tuneable boundary conditions correspond to mirrors moving with velocities close to the speed of light. In particular, we propose the generation of a quadripartite square cluster state as a first example that can be readily implemented in the laboratory. Since cluster states are universal resources for universal one-way quantum computation, our results pave the way for relativistic quantum computation schemes.

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