Robert Hallock is a Distinguished Professor of Physics at the University of Massachusetts in Amherst. His research is in the general area of experimental Condensed Matter Physics, with an emphasis on low temperature phenomena, particularly liquid helium, liquid helium films, and solid helium. Specific research directions and other areas of interest, including teaching, communication information and a vitae, can be accessed by calling forward the individual highlighted items below.
Articles
Mass flux and solid growth in solid 4He: 60 mK - 700 mK (with M Ray), Physical Review Letters (2011)
We use the thermo-mechanical effect to create a chemical potential difference between two liquid reservoirs...
Observation of thermomechanical equilibration in the presence of a solid 4He conduit (with M Ray), Physical Review B (2010)
We observe a thermomechanical effect when a chemical-potential difference is created by a temperature difference...
Observation of mass transport through solid 4He (with M Ray), Physical Review B (2009)
By use of an experimental design that provides for superfluid helium in contact with bulk...
Observation of Unusual Mass Transport in Solid hcp 4He (with M Ray), Physical Review Letters (2008)
Solid 4He has been created off the melting curve by growth at a nearly constant...
Linear Tc Depression in Mg Doped YBa2Cu3O7-x (with W. M. Tiernan), Physical Review B (1991)
We report resistivity-versus-temperature measurements performed on polycrystalline pellets of YBa2(Cu1-xMgx)3O7-δ made using the polymer-metal-complex precursor...
Contributions to Books
Superfluid Onset in 3He-4He Mixture Films (with F. M. Ellis and J. S. Brooks), Ordering in Two Dimensions (1980)
The Decay of Persistent Currents in Unsaturated Superfluid 4He Films (with K. L. Telschow and D. T. Ekholm), Quantum Fluids and Solids (1977)
The Liquid Gas Interface in Helium Near Its Critical Point (with J. A. Northby), Quantum Fluids in Space (1976)
Other
Growth of solid hcp 4He off the melting curve (with M Ray), Physics Department Faculty Publication Series (2010)
We report studies of the growth of solid hcp 4He at pressures higher than the...