Items where Author is "Allum, D. R."

Ellis, T. and McClintock, Peter V. E. and Bowley, R. M. and Allum, D. R. (1980) The breakdown of superfluidity in liquid 4He. II : an investigation of excitation emission from negative ions travelling at extreme supercritical velocities. Philosophical Transactions of the Royal Society of London A, 296 (1425). pp. 581-595. ISSN 0264-3820

Allum, D. R. and McClintock, Peter V. E. (1978) Rings among the rotons : measurements of the vortex nucleation rate for negative ions whose drift velocities are limited by roton emission. Journal de Physique, Colloq. pp. 174-175. ISSN 0302-0738

Allum, D. R. and McClintock, Peter V. E. (1978) Nucleation of negatively charged vortex rings in superfluid Helium-4 near its solidification pressure. Journal of Low Temperature Physics, 31 (3-4). pp. 321-338. ISSN 0022-2291

Allum, D. R. and McClintock, Peter V. E. and Phillips, A. and Bowley, R. M. (1977) The breakdown of superfluidity in liquid 4He : an experimental test of Landau's theory. Philosophical Transactions of the Royal Society of London A, 284 (1320). pp. 179-224. ISSN 0264-3820

Allum, D. R. and McClintock, Peter V. E. (1976) Observation of a second critical field for negative ions in He II. Journal of Physics C: Solid State Physics, 9 (14). L371-L375. ISSN 0022-3719

Allum, D. R. and McClintock, Peter V. E. (1976) Condensation of isotopic impurities on the negative ion in He II. Journal of Physics C: Solid State Physics, 9 (11). L273-L276. ISSN 0022-3719

Allum, D. R. and Bowley, R. M. and McClintock, Peter V. E. (1976) Evidence for roton pair creation in superfluid 4He. Physical review letters, 36 (22). pp. 1313-1316. ISSN 1079-7114

Allum, D. R. and McClintock, Peter V. E. (1976) Field emission in a liquid 3He-4He solution. Physics Letters A, 56 (3). pp. 199-200. ISSN 0375-9601

Allum, D. R. and McClintock, Peter V. E. and Phillips, A. (1975) Anomalous roton-induced drag on negative ions in He II. Physics Letters A, 54 (5). pp. 385-386. ISSN 0375-9601

Allum, D. R. and McClintock, Peter V. E. and Phillips, A. (1975) Non-turbulent breakdown of superfluidity in He II. In: Proceedings of the 14th International Conference on Low Temperature Physics :. North-Holland, Amsterdam, pp. 248-251. ISBN 0 7204 9302 1 (and 0444 10948 X for American Elsevier)