1983
3.
H Haucke, Y Maeno
Phase space analysis of convection in a 3He-superfluid 4He solution Journal Article
In: Physica D: Nonlinear Phenomena, vol. 7, no. 1-3, pp. 69-72, 1983.
@article{Haucke198369,
title = {Phase space analysis of convection in a 3He-superfluid 4He solution},
author = {H Haucke and Y Maeno},
doi = {10.1016/0167-2789(83)90116-1},
year = {1983},
date = {1983-01-01},
journal = {Physica D: Nonlinear Phenomena},
volume = {7},
number = {1-3},
pages = {69-72},
abstract = {Observations have been made on thermal convection below 1 K in a dilute solution of 3He in superfluid 4He contained in a cylindrical cell of aspect ratio Γ=1.20. Complicated oscillatory phenomena were observed with a high degree of reproducibility using two temperature sensors. Phase space analysis suggests a description in terms of strange attractor dynamics. © 1983.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Observations have been made on thermal convection below 1 K in a dilute solution of 3He in superfluid 4He contained in a cylindrical cell of aspect ratio Γ=1.20. Complicated oscillatory phenomena were observed with a high degree of reproducibility using two temperature sensors. Phase space analysis suggests a description in terms of strange attractor dynamics. © 1983.
1981
2.
H Haucke, Y Maeno, P Warkentin, J Wheatley
Time-dependent thermal convection in dilute solutions of 3He in superfluid 4He Journal Article
In: Journal of Low Temperature Physics, vol. 44, no. 5-6, pp. 505-533, 1981.
@article{Haucke1981505,
title = {Time-dependent thermal convection in dilute solutions of 3He in superfluid 4He},
author = {H Haucke and Y Maeno and P Warkentin and J Wheatley},
doi = {10.1007/BF00117841},
year = {1981},
date = {1981-01-01},
journal = {Journal of Low Temperature Physics},
volume = {44},
number = {5-6},
pages = {505-533},
abstract = {Time-dependent thermal convection can occur in a unity-aspect-ratio Rayleigh-Beńard convection cell containing a dilute solution of 3He in superfluid 4He when the fluid is heated from above. Results are presented primarily for a 0.24 mole % He solution at 0.925 K. Means is provided for introducing heat at the top and separately for a central plug and an outer ring such that both are at a constant temperature gD T above the bottom. A critical temperature difference δTcfor convection can be defined above which both steady and time-dependent convection occur. The time-dependent effects include a region of δT. near δTcand characterized only by excessive noise, a region of somewhat higher δT where there are intermittent major changes in the plug heating rate with a time distribution like that for random events, and a region at still higher δT where periodic but nonsinusoidal variation of the heat flow is observed. When a long enough time, several months, has elapsed after cooling down the apparatus, time-dependent states no longer occur, and the heat flow above δTcis limited to steady convection. Briefly raising the temperature of the apparatus to 77 K is sufficient to restore the possibility of time-dependent states. © 1981 Plenum Publishing Corporation.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Time-dependent thermal convection can occur in a unity-aspect-ratio Rayleigh-Beńard convection cell containing a dilute solution of 3He in superfluid 4He when the fluid is heated from above. Results are presented primarily for a 0.24 mole % He solution at 0.925 K. Means is provided for introducing heat at the top and separately for a central plug and an outer ring such that both are at a constant temperature gD T above the bottom. A critical temperature difference δTcfor convection can be defined above which both steady and time-dependent convection occur. The time-dependent effects include a region of δT. near δTcand characterized only by excessive noise, a region of somewhat higher δT where there are intermittent major changes in the plug heating rate with a time distribution like that for random events, and a region at still higher δT where periodic but nonsinusoidal variation of the heat flow is observed. When a long enough time, several months, has elapsed after cooling down the apparatus, time-dependent states no longer occur, and the heat flow above δTcis limited to steady convection. Briefly raising the temperature of the apparatus to 77 K is sufficient to restore the possibility of time-dependent states. © 1981 Plenum Publishing Corporation.
0000
1.
K Kumagai, M Abe, S Tanaka, Y Maeno, T Fujita
Cu-NMR study of antiferromagnetic order and superconductivity of Ln2−xCexCuO4−δ (Ln = Nd, Sm and Pr) Journal Article
In: 0000.
@article{Kumagai1990675,
title = {Cu-NMR study of antiferromagnetic order and superconductivity of Ln2−xCexCuO4−δ (Ln = Nd, Sm and Pr)},
author = {K Kumagai and M Abe and S Tanaka and Y Maeno and T Fujita},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
