An experimental observation of geometric phases for mixed states using NMR interferometry

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dc.creatorDu, Jiangfeng
dc.creatorZou, Ping
dc.creatorShi, Mingjun
dc.creatorKwek, Leong Chuan
dc.creatorPan, Jian-Wei
dc.creatorOh, Choo Hiap
dc.creatorEkert, Artur
dc.creatorOi, Daniel K. L.
dc.creatorEricsson, Marie
dc.date2003-05-09
dc.date.accessioned2026-07-07T06:06:44Z
dc.date.available2026-07-07T06:06:44Z
dc.descriptionExamples of geometric phases abound in many areas of physics. They offer both fundamental insights into many physical phenomena and lead to interesting practical implementations. One of them, as indicated recently, might be an inherently fault-tolerant quantum computation. This, however, requires to deal with geometric phases in the presence of noise and interactions between different physical subsystems. Despite the wealth of literature on the subject of geometric phases very little is known about this very important case. Here we report the first experimental study of geometric phases for mixed quantum states. We show how different they are from the well understood, noiseless, pure-state case.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0305054
dc.identifierhttp://arxiv.org/abs/quant-ph/0305054
dc.identifierPhys. Rev. Lett. 91, 100403 (2003)
dc.identifierdoi:10.1103/PhysRevLett.91.100403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/91081
dc.subjectQuantum Physics
dc.titleAn experimental observation of geometric phases for mixed states using NMR interferometry
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