Universal quantum computation by holonomic and nonlocal gates with imperfections

Details Universal quantum computation by holonomic and nonlocal gates with imperfections Universal quantum computation by holonomic and nonlocal gates with imperfections

2000-09-11

arxiv.org/abs/quant-ph/0009043v2

Phys. Rev. A 64, 022310 (2001)

Physics

Quantum Physics

5 pages, 2 figures, REVTEX, title changed, typos corrected

Scientific paper

10.1103/PhysRevA.64.022310

We present a nonlocal construction of universal gates by means of holonomic (geometric) quantum teleportation. The effect of the errors from imperfect control of the classical parameters, the looping variation of which builds up holonomic gates, is investigated. Additionally, the influence of quantum decoherence on holonomic teleportation used as a computational primitive is studied. Advantages of the holonomic implementation with respect to control errors and dissipation are presented.

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