0304199v1

related topics
{phase, path, phys}
{field, particle, equation}
{qubit, qubits, gate}
{energy, state, states}
{spin, pulse, spins}
{wave, scattering, interference}
{error, code, errors}
{time, decoherence, evolution}
{state, phys, rev}
{state, states, coherent}

Quantum gates with topological phases

Radu Ionicioiu

abstract: We investigate two models for performing topological quantum gates with the Aharonov-Bohm (AB) and Aharonov-Casher (AC) effects. Topological one- and two-qubit Abelian phases can be enacted with the AB effect using charge qubits, whereas the AC effect can be used to perform all single-qubit gates (Abelian and non-Abelian) for spin qubits. Possible experimental setups suitable for a solid state implementation are briefly discussed.

oai_identifier:
oai:arXiv.org:quant-ph/0304199
categories:
quant-ph
comments:
2 figures, RevTex4
doi:
10.1103/PhysRevA.68.034305
arxiv_id:
quant-ph/0304199
journal_ref:
Phys. Rev. A 68, 034305 (2003)
created:
2003-04-29

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