Experimental extractable work-based multipartite separability criteria

Mario A. Ciampini*, Luca Mancino, Adeline Orieux, Caterina Vigliar, Paolo Mataloni, Mauro Paternostro, Marco Barbieri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)
202 Downloads (Pure)


A thermodynamic theory of quantum entanglement as well as the establishment of rigorous formal connections between the laws of thermodynamics and the phenomenology of entanglement are currently open areas of investigation. In this quest, a core problem is embodied by the understanding of the role that entanglement plays in processes of work extraction. Here, by considering information thermodynamics-based protocols, we answer the question "Is it possible to infer, quantitatively, quantum correlations by considering work-extraction schemes?". Our experimental settings consist of suitably designed multi-photon optical interferometers able to address the case of both bipartite and multipartite entangled states. We compare the performance of such criteria to that of witnesses of entanglement based on the violation of Bell-like tests, showing their inherently different nature. Our work contributes strongly to the ongoing efforts in establishing photonic systems as a platform for experiments in information thermodynamics.

Original languageEnglish
Article number10
Number of pages6
Journalnpj Quantum Information
Early online date13 Mar 2017
Publication statusPublished - 01 Dec 2017

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Computational Theory and Mathematics
  • Computer Networks and Communications
  • Statistical and Nonlinear Physics


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