-
Neutorn Reflection from a 3He layer adsorbed onto liquid 4He
More than four decades ago A. F. Andreev predicted theoretically the existence of quantum statesof 3He atoms on free surface of liquid 4He . In other words, at low temperatures,... -
Nature of the ground state of Dy2Ti2O7 spin ice
Spin ice (SI) is a state of matter characterized by a residual (Pauling) entropy and unusual correlations. The huge interest in SI materials from the magnetism community stems...