Entanglement Generation from Thermal Spin States via Unitary Beam Splitters

Details Entanglement Generation from Thermal Spin States via Unitary Beam Splitters Entanglement Generation from Thermal Spin States via Unitary Beam Splitters

2003-07-20

arxiv.org/abs/quant-ph/0307147v2

Phys. Rev. A 70 (2003) 062312

Physics

Quantum Physics

4 pages, 3 figures. Small changes in accordance with journal advice to make more readable. Improved discussion on implemetabil

Scientific paper

10.1103/PhysRevA.70.062312

We suggest a method of generating distillable entanglement form mixed states unitarily, by utilizing the flexibility of dimension od occupied Hilbert space. We present a model of a thermal spin state entering a beam splitter generating entanglement. It is the truncation of the state that allows for entanglement generation. The output entanglement is investigated for different temperatures and it is found that more randomness - in the form of higher temperature - is better for this set up.

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