# How many ebits can be unlocked with one classical bit?

## Abstract

We find an upper bound on the rate at which entanglement can be unlocked by classical bits. In particular, we show that, for quantum information sources that are specified by ensembles of pure bipartite states, one classical bit can unlock at most one ebit.

- Authors:

- Institute for Quantum Information Science and Department of Mathematics and Statistics, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4 (Canada)

- Publication Date:

- OSTI Identifier:
- 20982600

- Resource Type:
- Journal Article

- Resource Relation:
- Journal Name: Physical Review. A; Journal Volume: 75; Journal Issue: 5; Other Information: DOI: 10.1103/PhysRevA.75.054301; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; INFORMATION THEORY; QUANTUM ENTANGLEMENT; QUANTUM INFORMATION; QUANTUM MECHANICS

### Citation Formats

```
Gour, Gilad.
```*How many ebits can be unlocked with one classical bit?*. United States: N. p., 2007.
Web. doi:10.1103/PHYSREVA.75.054301.

```
Gour, Gilad.
```*How many ebits can be unlocked with one classical bit?*. United States. doi:10.1103/PHYSREVA.75.054301.

```
Gour, Gilad. Tue .
"How many ebits can be unlocked with one classical bit?". United States.
doi:10.1103/PHYSREVA.75.054301.
```

```
@article{osti_20982600,
```

title = {How many ebits can be unlocked with one classical bit?},

author = {Gour, Gilad},

abstractNote = {We find an upper bound on the rate at which entanglement can be unlocked by classical bits. In particular, we show that, for quantum information sources that are specified by ensembles of pure bipartite states, one classical bit can unlock at most one ebit.},

doi = {10.1103/PHYSREVA.75.054301},

journal = {Physical Review. A},

number = 5,

volume = 75,

place = {United States},

year = {Tue May 15 00:00:00 EDT 2007},

month = {Tue May 15 00:00:00 EDT 2007}

}

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