Scaling of decoherence in wide quantum registers

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dc.contributor.authorSuter, Dieter
dc.contributor.authorKrojanski, Hans G.
dc.date.accessioned2008-06-02T07:31:29Z
dc.date.available2008-06-02T07:31:29Z
dc.date.issued2004-08-24
dc.description.abstractAmong the most important parameters for the usefulness of quantum computers are the size of the quantum register and the decoherence time for the quantum information. The decoherence time is expected to get shorter with the number of correlated qubits, but experimental data are only available for small numbers of qubits. Solid-state nuclear magnetic resonance allows one to correlate large numbers of qubits (several hundred) and measure their decoherence rates. We use a modified magnetic dipole-dipole interaction to correlate the proton spins in a solid sample and observe the decay of the resulting highly correlated states. By systematically varying the number of correlated spins, we measure the increase of the decoherence rate with the size of the quantum register.en
dc.identifier.citationKrojanski, Hans G; Suter, Dieter: Scaling of decoherence in wide quantum registers. In: Physical Review Letters Nr. 9, Jg. 93(2004), 090501[4 S.].de
dc.identifier.doi10.1103/PhysRevLett.93.090501
dc.identifier.urihttp://hdl.handle.net/2003/25377
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-9411
dc.identifier.urlhttp://dx.doi.org/10.1103/PhysRevLett.93.090501
dc.language.isoende
dc.publisherThe American Physical Societyen
dc.rights©2004 The American Physical Societyen
dc.subject.ddc530
dc.titleScaling of decoherence in wide quantum registersen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted
eldorado.identifier.urlhttp://e3.physik.tu-dortmund.de/~suter/eprints/Decoherence_Scaling.pdf

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