A quantum depolarizing channel is a model for noise in quantum systems. The d-dimensional depolarizing channel can be viewed as a completely positiveâ€¦Â (More)

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2011

2011

- Hui Qiao, Xiao-yu Chen
- 2011

College of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China xychen@mail.zjgsu.eduâ€¦Â (More)

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2010

2010

- Min-Hsiu Hsieh, Mark M. Wilde
- IEEE Transactions on Information Theory
- 2010

In this paper, we consider the problem of transmitting classical and quantum information reliably over an entanglement-assistedâ€¦Â (More)

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2009

2009

- John Watrous
- Quantum Information & Computation
- 2009

It is proved that every doubly stochastic quantum channel that is properly averaged with the completely depolarizing channel canâ€¦Â (More)

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2007

2007

- Alan W. Leung, Peter W. Shor, Alar Toomre
- 2007

In the first part, we present a family of entanglement purification protocols that generalize four previous methods, namely theâ€¦Â (More)

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2007

2007

- Iyed Ben Slimen, Olfa Trabelsi, Houria Rezig, Ridha BouallÃ¨gue, Ammar BouallÃ¨gue
- 2007

BB84 (Bennett and Brassard 1984) is one of the well known protocols of quantum keys distribution. It is built to allow twoâ€¦Â (More)

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2006

2006

- Grigori G. Amosov
- Probl. Inf. Transm.
- 2006

We consider bistochastic quantum channels generated by unitary representations of the discret group. The proof of the additivityâ€¦Â (More)

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2006

2006

- Mohan Sarovar
- 2006

We explore the task of optimal quantum channel identification, and in particular the estimation of a general one parameterâ€¦Â (More)

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2003

2003

- Christopher L King
- IEEE Trans. Information Theory
- 2003

The information carrying capacity of the d-dimensional depolarizing channel is computed. It is shown that this capacity can beâ€¦Â (More)

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Highly Cited

1998

Highly Cited

1998

We present a family of additive quantum error-correcting codes whose capacities exceeds that of quantum random coding (hashingâ€¦Â (More)

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Highly Cited

1996

Highly Cited

1996

- K R Bennett, DiVincenzo, Smolin, Wootters
- Physical review. A, Atomic, molecular, andâ€¦
- 1996

Entanglement purification protocols (EPP) and quantum errorcorrecting codes (QECC) provide two ways of protecting quantum statesâ€¦Â (More)

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