Note on the "size" of Schroedinger cats
  We give some arguments to evaluate the "size" of Schrodinger cat for the flux qubit, which has really different results from ref.[1] Korsbakken et al.   [1] J.Korsbakken,F.K.Wilhelm and K.B.Whaley,Physics Scripta T137,014022 (2009) 
Anthony J. Leggett
quant-ph