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Title: Tripartite entanglement in single-neutron interferometer experiments

We present experimental evidence of the generation of distinct types of genuine multipartite entanglement between the spin, energy, and path degrees of freedom within single-neutron quantum systems. This is achieved via the development of new spin manipulation apparatuses for neutron interferometry and the entanglement is detected via appropriately designed and optimized non-linear witnesses. We demonstrate the extraordinarily high controllability and fidelity of the generated entangled states.
Authors:
;  [1] ;  [2] ;  [3]
  1. Atominstitut, Vienna University of Technology, Stadionallee 2, A-1020 Wien (Austria)
  2. University of Vienna, Faculty of Physics, Boltzmanngasse 5, 1090 Vienna, Austria and University of Bristol, Department of Mathematics, Bristol, BS8 1TW (United Kingdom)
  3. University of Vienna, Faculty of Physics, Boltzmanngasse 5, 1090 Vienna, Austria and Masaryk University, Department of Theoretical Physics and Astrophysics, Kotlárska 2, 61137 Brno (Czech Republic)
Publication Date:
OSTI Identifier:
22390677
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1633; Journal Issue: 1; Conference: 11. International Conference on Quantum Communication, Measurement and Computation, Vienna (Austria), 30 Jul - 3 Aug 2012; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DEGREES OF FREEDOM; INTERFEROMETRY; NEUTRONS; NONLINEAR PROBLEMS; QUANTUM ENTANGLEMENT; QUANTUM STATES; QUANTUM SYSTEMS; SPIN