4.5 Article

Observations on entanglement entropy in massive QFT's

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP04(2013)017

Keywords

Field Theories in Higher Dimensions; AdS-CFT Correspondence; Holography and condensed matter physics (AdS/CMT)

Funding

  1. Fundacion Caja Madrid
  2. Perimeter Scholars International program
  3. Government of Canada through Industry Canada
  4. Province of Ontario through the Ministry of Research Innovation
  5. NSERC
  6. Canadian Institute for Advanced Research

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We identify various universal contributions to the entanglement entropy for massive free fields. As well as the 'area' terms found in [1], we find other geometric contributions of the form discussed in [2]. We also compute analogous contributions for a strongly coupled field theory using the AdS/CFT correspondence. In this case, we find the results for strong and weak coupling do not agree.

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