Nuclear-spin heat capacity of submonolayer solid 3He films.

摘要: The heat capacity of submonolayer solid 3 H films adsorbed on graphite has been measured for temperatures between 2 and 200 mK. Over a very narrow range coverages an anomalously large nuclear-spin exchange is observed. This peak analogous to the more dramatic anomaly previously observed second-layer system when compressed by few overlying fluid layers. implication that proposed indirect involving atoms cannot be responsible mechanism