Measurement Protocol for the Entanglement Spectrum of Cold Atoms

Hannes Pichler, Guanyu Zhu, Alireza Seif, Peter Zoller, and Mohammad Hafezi ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA Physics Department, Harvard University, Cambridge, Massachusetts 02138, USA Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, A-6020 Innsbruck, Austria Joint Quantum Institute, NIST/University of Maryland, College Park, Maryland 20742, USA Institute for Theoretical Physics, University of Innsbruck, A-6020 Innsbruck, Austria Kavli Institute for Theoretical Physics, Santa Barbara, California 93106, USA Department of Electrical and Computer Engineering and Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20742, USA (Received 9 June 2016; revised manuscript received 23 September 2016; published 17 November 2016)