Holonomic quantum computation in subsystems

Details Holonomic quantum computation in subsystems Holonomic quantum computation in subsystems

2009-05-08

arxiv.org/abs/0905.1249v3

Phys. Rev. Lett. 103, 090502 (2009)

Physics

Quantum Physics

Improved presentation, references added

Scientific paper

10.1103/PhysRevLett.103.090502

We introduce a generalized method of holonomic quantum computation (HQC) based on encoding in subsystems. As an application, we propose a scheme for applying holonomic gates to unencoded qubits by the use of a noisy ancillary qubit. This scheme does not require initialization in a subspace since all dynamical effects factor out as a transformation on the ancilla. We use this approach to show how fault-tolerant HQC can be realized via 2-local Hamiltonians with perturbative gadgets.

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