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Conditioned spin and charge dynamics of a single-electron quantum dot

Abstract:

In this article we describe the incoherent and coherent spin and charge dynamics of a single-electron quantum dot. We use a stochastic master equation to model the state of the system, as inferred by an observer with access to only the current signal through a quantum point contact, acting as a charge sensor. Measurements obtained during an interval of time contribute, by a past quantum state analysis, to our knowledge about the system at any time t within that interval. Such analysis permits...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevA.96.052104

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Oxford college:
St Anne's College
Role:
Author
Villum Fonden More from this funder
Royal Academy of Engineering More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review A Journal website
Volume:
96
Issue:
5
Pages:
052104
Publication date:
2017-11-01
DOI:
EISSN:
2469-9934
ISSN:
2469-9926
Source identifiers:
796308
Keywords:
Pubs id:
pubs:796308
UUID:
uuid:53567cc3-e7fd-4818-87b3-e4284920b67d
Local pid:
pubs:796308
Deposit date:
2018-03-09

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