Abstract
Torsional oscillator measurements of3He-4He mixtures confined in aerogel show evidence of a well defined phase separation region. This region is detached from the superfluid transition line, opening up a region of miscible superfluid mixture at high3He concentration.
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References
M.H. W. Chan, K. J. Blum, S. Q. Murphy, G. K. S. Wong and J. D. Reppy, Phys. Rev. Letts.61, 1950 (1988).
G. K. S. Wong, P. A. Crowell, H. A. Cho and J. D. Reppy, Phys. Rev. Lett.65, 2410 (1990). Ibid, Phys. Rev. B, to be published.
N. Mulders, R. Mehrotra, L. S. Goldner and G. Ahlers, Phys. Rev. Lett.67, 695 (1991); M. Larson, N. Mulders and G. Ahlers, Phys. Rev. Letts.68, 3896 (1992).
A. P. Y. Wong and M. H. W. Chan, Phys. Rev. Lett.65, 2567 (1990).
A. P. Y. Wong, S. B. Kim, W. I. Goldburg and M. H. W. Chan, Phys. Rev. Lett.70, 954 (1993).
J. Fricke, ed., Aerogels: Proceedings of the First Int. Symp. (Springer-Verlag, Berlin, 1986).
Aerogel with an open volume fraction of higher than 0.95 have been made by L. W. Hrubesh and collaborators with a two step gelation process: T. M. Tillotson, L. W. Hrubesh and I. M. Thomas, Mat. Res. Soc. Proc.121, 685 (1988).
See Ref. 6. Also A. P. Y. Wong and S. B. Kim, private communications.
R. Vacher, T. Woignier, J. Pelons and E. Courtens, Phys. Rev. B37, 6500 (1988); D. W. Schaefer and K. D. Keefer, Phys. Rev. Lett.56, 2199 (1986).
A. B. Weinrib and B. I. Halperin, Phys. Rev. B27, 413 (1983). O. Narayan and D. S. Fisher, Phys. Rev. B42, 7869 (1990).
H. C. Lee and M. H. W. Chan, unpublished.
S. B. Kim, J. Ma and M. H. W. Chan, submitted to Phys. Rev. Lett.
J. Ma, A. P. Y. Wong, L. W. Hrubesh and M. H. W. Chan, unpublished.
D. M. Lee, H. A. Fairbank and E. J. Walker, Phys. Rev.121, 1258 (1961); C. Boghosian, H. Meyer and J. E. Rives, Phys. Rev.146, 110 (1966).
See, for example: G. Agnolet, D. F. McQueeney and J. D. Reppy, Phys. Rev. B39, 8934 (1983); B. C. Crooker, B. Hebral, E. N. Smith, Y. Takano and J. D. Reppy, Phys. Rev. Lett.51, 666 (1983); D. Finotello, K. A. Gillis, A. Wong and M. H. W. Chan, Phys. Rev. Lett.61, 1954 (1988).
J. P. Romagnan, J. P. Laheurte, J. C. Noiray and W. F. Saam, J. Low Temp. Phys.70, 425 (1978); F. M. Ellis, R. B. Hallock, M. D. Miller and R. A. Guyer, Phys. Rev. Lett.46, 1461 (1981); D. McQueeney, G. Agnolet, J. D. Reppy, Phys. Rev. Lett.52, 1324 (1984).