1994. Zimanyi, G.T., P.A. Crowell, R.T. Scalettar, and G.G. Batrouni. Bose-Hubbard Model and Superfluid Staircases in 4He Films. Physical Review B50:6515-6518. Archive.
1994. Zimanyi, G.T., P.A. Crowell, R.T. Scalettar, and G.G. Batrouni. Bose-Hubbard Model and Superfluid Staircases in 4He Films. Physical Review B50:6515-6518. Archive.