Quantum Discord and Maxwell's Demons
Abstract
Quantum discord was proposed as an information theoretic measure of the ``quantumness'' of correlations. I show that discord determines the difference between the efficiency of quantum and classical Maxwell's demons in extracting work from collections of correlated quantum systems.
- Publication:
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arXiv e-prints
- Pub Date:
- February 2002
- DOI:
- 10.48550/arXiv.quant-ph/0202123
- arXiv:
- arXiv:quant-ph/0202123
- Bibcode:
- 2002quant.ph..2123Z
- Keywords:
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- Quantum Physics