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Author (up) Martin-Martinez, E.; Menicucci, N.C. openurl 
  Title Cosmological quantum entanglement Type Journal Article
  Year 2012 Publication CLASSICAL AND QUANTUM GRAVITY Abbreviated Journal Class. Quantum Gravity  
  Volume 29 Issue 22 Pages 30 pp  
  Abstract We review recent literature on the connection between quantum entanglement and cosmology, with an emphasis on the context of expanding universes. We discuss recent theoretical results reporting on the production of entanglement in quantum fields due to the expansion of the underlying spacetime. We explore how these results are affected by the statistics of the field (bosonic or fermionic), the type of expansion (de Sitter or asymptotically stationary), and the coupling to spacetime curvature (conformal or minimal). We then consider the extraction of entanglement from a quantum field by coupling to local detectors and how this procedure can be used to distinguish curvature from heating by their entanglement signature. We review the role played by quantum fluctuations in the early universe in nucleating the formation of galaxies and other cosmic structures through their conversion into classical density anisotropies during and after inflation. We report on current literature attempting to account for this transition in a rigorous way and discuss the importance of entanglement and decoherence in this process. We conclude with some prospects for further theoretical and experimental research in this area. These include extensions of current theoretical efforts, possible future observational pursuits, and experimental analogues that emulate these cosmic effects in a laboratory setting.  
  Address [Martin-Martinez, Eduardo] Univ Waterloo, Inst Quantum Comp, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada, Email:;  
  Corporate Author Thesis  
  Publisher IOP PUBLISHING LTD Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0264-9381 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000310533400004 Approved no  
  Call Number IQC @ it @ Serial 2889  
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