See also: L.S. Levitov, P.A. Lee, V.T. Dolgopolov, B.I. Halperin, Yu.A. Izyumov, S.G. Ovchinnikov
PACS: 72.70.+m, 73.40.Hm, 73.50.Td, 73.40.-c, 74.80.Fp, 71.27.+a, 71.30.+h