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George Pickett is particularly renowned for his pioneering development of the nuclear refrigeration technique and its application to the investigation of superfluid helium-3 in the ballistic excitation regime below 200 microkelvins. Early heat capacity measurements at Oxford were followed at Helsinki by investigations of rare earth hyperfine heat capacities as well as precision measurements of the lambda point and phase separation anomalies in liquid helium isotopic mixtures. At Lancaster, George and Tony Guénault developed a novel form of nuclear refrigeration, using finely divided copper immersed in liquid helium-3 to overcome thermal boundary resistances. This led, in due course, to the lowest temperatures yet achieved in pure helium-3, in isotopic solutions, and in metals. The vibrating wire viscometer was ingeniously exploited to discover new nonlinear effects in superfluid helium-3 associated with the ballistic propagation of excitations, and satisfying explanations of the phenomena were devised.
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论文共 319 篇作者统计合作学者相似作者
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Journal of Low Temperature Physicspp.1-15, (2024)
Samuli Autti,Andrew Casey, Marie Connelly, Neda Darvishi,Paolo Franchini, James Gorman,Richard P. Haley,Petri J. Heikkinen, Ashlea Kemp, Elizabeth Leason, John March-Russell, Jocelyn Monroe, Theo Noble,George R. Pickett,Jonathan R. Prance,Xavier Rojas, Tineke Salmon,John Saunders, Jack Slater, Robert Smith,Michael D. Thompson,Stephen M. West, Luke Whitehead,Vladislav V. Zavjalov,Kuang Zhang,Dmitry E. Zmeev
arXiv (Cornell University) (2023)
Nature Communicationsno. 1 (2023): 1-10
Samuli Autti,Richard P. Haley, Asher Jennings,George R. Pickett,Malcolm Poole,Roch Schanen, Arkady A. Soldatov,Viktor Tsepelin,Jakub Vonka,Vladislav V. Zavjalov,Dmitry E. Zmeev
Nature communicationsno. 1 (2023): 6819-10
Bulletin of the American Physical Society (2020)
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#Papers: 318
#Citation: 6541
H-Index: 39
G-Index: 66
Sociability: 6
Diversity: 3
Activity: 15
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