Adiabatic holonomic quantum gates for a single qubit

A universal set of single qubit holonomic quantum gates using the geometric phase that the qubit wave function acquires after a cyclic evolution is discussed. The proposed scheme utilizes ultrafast linearly chirped pulses and provides a possibility to substantially suppress transient population of t...

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Bibliographic Details
Published in:Physica scripta 2014-04, Vol.T160 (1), p.14029
Main Authors: Malinovsky, Vladimir S, Rudin, Sergey
Format: Article
Language:English
Subjects:
adiabatic dynamics
geometric phase
holonomic quantum gates
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Summary:A universal set of single qubit holonomic quantum gates using the geometric phase that the qubit wave function acquires after a cyclic evolution is discussed. The proposed scheme utilizes ultrafast linearly chirped pulses and provides a possibility to substantially suppress transient population of the ancillary state in a generic three-level system. That provides a possibility to reduce the decoherence effect and achieve a higher fidelity of the quantum gates.
ISSN:0031-8949
1402-4896
DOI:10.1088/0031-8949/2014/T160/014029