BCS-BEC crossover in bilayers of cold fermionic polar molecules

N. T. Zinner,1,2,3 B. Wunsch,1 D. Pekker,1,4 and D.-W. Wang5,6,7 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA 2Department of Physics and Astronomy, Aarhus University, Aarhus C, DK-8000, Denmark 3The Niels Bohr Institute, University of Copenhagen, Copenhagen Ø, DK-8000, Denmark 4Department of Physics, California Institute of Technology, Pasadena, California 91125, USA 5Physics Department, National Tsing-Hua University, Hsinchu 300, Taiwan 6Physics Division, National Center for Theoretical Sciences, Hsinchu 300, Taiwan 7Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing-Hua University, Hsinchu 300, Taiwan (Received 10 September 2010; revised manuscript received 10 February 2011; published 3 January 2012)