Quantifying entanglement in macroscopic systems.
basic_science · Level V
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- Record sourced from PubMed, PMID 18563150.
- Also identified by DOI 10.1038/nature07124.
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Abstract
Traditionally, entanglement was considered to be a quirk of microscopic objects that defied a common-sense explanation. Now, however, entanglement is recognized to be ubiquitous and robust. With the realization that entanglement can occur in macroscopic systems - and with the development of experiments aimed at exploiting this fact - new tools are required to define and quantify entanglement beyond the original microscopic framework.