See also: V.V. Brazhkin, V.N. Ryzhov, Yu.D. Fomin, E.N. Tsiok, A.G. Lyapin
PACS: 62.10.+s, 62.50.-p, 63.50.-x, 64.60.F-, 64.60.fd, 65.20.De, 66.20.Cy