Nonadiabatic Geometric Quantum Computation Using A Single-loop Scenario

Details Nonadiabatic Geometric Quantum Computation Using A Single-loop Scenario Nonadiabatic Geometric Quantum Computation Using A Single-loop Scenario

2005-02-15

arxiv.org/abs/quant-ph/0502090v1

Phys. Rev. A 71, 014302 (2005)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.71.014302

A single-loop scenario is proposed to realize nonadiabatic geometric quantum computation. Conventionally, a so-called multi-loop approach is used to remove the dynamical phase accumulated in the operation process for geometric quantum gates. More intriguingly, we here illustrate in detail how to use a special single-loop method to remove the dynamical phase and thus to construct a set of universal quantum gates based on the nonadiabatic geometric phase shift. The present scheme is applicable to NMR systems and may be feasible in other physical systems.

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