# Quantum system

## Papers overview

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Highly Cited

2007

Highly Cited

2007

- SIAM J. Control and Optimization
- 2007

No quantum measurement can give full information on the state of a quantum system; hence any quantum feedback control problem isâ€¦Â (More)

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Highly Cited

2003

Highly Cited

2003

- 2003

A two-dimensional quantum system with anyonic excitations can be considered as a quantum computer. Unitary transformations can beâ€¦Â (More)

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Highly Cited

2003

Highly Cited

2003

- Physical review letters
- 2003

We present a classical protocol to efficiently simulate any pure-state quantum computation that involves only a restricted amountâ€¦Â (More)

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Highly Cited

2001

Highly Cited

2001

- 2001

Decoherence is caused by the interaction with the environment which in effect monitors certain observables of the systemâ€¦Â (More)

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Highly Cited

1999

Highly Cited

1999

- 1999

(Received) We describe a quantum algorithm to compute the density of states and thermal equilibrium properties of quantum manyâ€¦Â (More)

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Highly Cited

1996

Highly Cited

1996

- ArXiv
- 1996

Work on quantum cryptography was started by S. J. Wiesner in a paper written in about 1970, but remained unpublished until 1983â€¦Â (More)

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Highly Cited

1996

Highly Cited

1996

- 1996

A state acting on Hilbert space H1 âŠ— H2 is called separable if it can be approximated in trace norm by convex combinations ofâ€¦Â (More)

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Highly Cited

1985

Highly Cited

1985

- 1985

It is argued that underlying the Church-Turing hypothesis there is an implicit physical assertion. Here, this assertion isâ€¦Â (More)

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Highly Cited

1983

Highly Cited

1983

- 1983

The fundamental mathematical definitions of the controlled feedback Markov dynamics of quantum-mechanical systems are introducedâ€¦Â (More)

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Highly Cited

1982

Highly Cited

1982

- Nature
- 1982

If a photon of definite polarization encounters an excited atom, there is typically some nonvanishing probability that the atomâ€¦Â (More)

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