Superfluidity in clusters ofp-H2molecules

著者: Philippe Sindzingre, David M. Ceperley, Michael L. Klein - Physical Review Letters 1991 被引用: 235

Path-integral Monte Carlo calculations have been used to study small clusters of ${\mathrm{H}}_{2}$ molecules at low temperatures. Below about 2 K, clusters of 13 and 18 molecules exhibit manifestations of superfluid behavior. However, exchange permutation of molecules is greatly suppressed in a cluster of 33 molecules, even at 1 K.