Efficient one-step generation of large cluster states with solid-state circuits

J. Q. You, Xiang-bin Wang, Tetsufumi Tanamoto, and Franco Nori Department of Physics and Surface Physics Laboratory (National Key Laboratory), Fudan University, Shanghai 200433, China Frontier Research System, The Institute of Physical and Chemical Research (RIKEN), Wako-shi 351-0198, Japan CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan Department of Physics, Tsinghua University, Beijing 100084, China Corporate R & D Center, Toshiba Corporation, Saiwai-ku, Kawasaki 212-8582, Japan Center for Theoretical Physics, Physics Department, Center for the Study of Complex Systems, University of Michigan, Ann Arbor, Michigan 48109-1040, USA Received 19 September 2006; published 15 May 2007