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Universal Quantum Estimator

Abstract:
We present a simple device based on the controlled-SWAP gate that performs quantum state tomography. It can also be used to determine maximum and minimum eigenvalues, expectation values of arbitrary observables, purity estimation as well as characterizing quantum channels. The advantage of this scheme is that the architecture is fixed and the task performed is determined by the input data.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
Journal:
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION More from this journal
Volume:
3
Issue:
SUPPL. 1
Pages:
123-132
Publication date:
2001-12-12
Event title:
1st Asia-Pacific Conference on Quantum Information Science
DOI:
EISSN:
1793-6918
ISSN:
0219-7499
Keywords:
Pubs id:
pubs:28092
UUID:
uuid:89d45231-2621-46d0-8ff8-bee2bc0a62e3
Local pid:
pubs:28092
Source identifiers:
28092
Deposit date:
2012-12-19

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