1984
7.
R E Ecke, Y Maeno, H Haucke, J C Wheatley
Critical dynamics near the oscillatory instability in Rayleigh- Bénard convection Journal Article
In: Physical Review Letters, vol. 53, no. 16, pp. 1567-1570, 1984.
@article{Ecke19841567,
title = {Critical dynamics near the oscillatory instability in Rayleigh- Bénard convection},
author = {R E Ecke and Y Maeno and H Haucke and J C Wheatley},
doi = {10.1103/PhysRevLett.53.1567},
year = {1984},
date = {1984-01-01},
journal = {Physical Review Letters},
volume = {53},
number = {16},
pages = {1567-1570},
abstract = {The oscillatory temperature amplitude of a low-Prandtl-number fluid in Rayleigh-Bénard convection is shown to exhibit critical slowing down near the onset of oscillatory convection. The data are analyzed in the context of a mean-field Landau-Hopf equation. We find the magnitude of the power-law exponent for the dynamic relaxation to be 1.01±0.02 and 1.00±0.02 above and below onset, respectively, in agreement with the theoretical predictions. © 1984 The American Physical Society.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The oscillatory temperature amplitude of a low-Prandtl-number fluid in Rayleigh-Bénard convection is shown to exhibit critical slowing down near the onset of oscillatory convection. The data are analyzed in the context of a mean-field Landau-Hopf equation. We find the magnitude of the power-law exponent for the dynamic relaxation to be 1.01±0.02 and 1.00±0.02 above and below onset, respectively, in agreement with the theoretical predictions. © 1984 The American Physical Society.
1983
6.
Yoshiteru Maeno, Hans Haucke, John Wheatley
UNDERSTANDING EXPERIMENTALLY THE TRANSITION TO CHAOS IN A CONVECTING DILUTE SOLUTION OF **3He IN SUPERFLUID **4He. Conference
no. 103, 1983.
@conference{Maeno1983412,
title = {UNDERSTANDING EXPERIMENTALLY THE TRANSITION TO CHAOS IN A CONVECTING DILUTE SOLUTION OF **3He IN SUPERFLUID **4He.},
author = {Yoshiteru Maeno and Hans Haucke and John Wheatley},
year = {1983},
date = {1983-01-01},
journal = {AIP Conference Proceedings},
number = {103},
pages = {412-427},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
5.
Yoshiteru Maeno, H Haucke, John Wheatley
SIMPLE DIFFERENTIAL THERMOMETER USING A THERMOCOUPLE WITH A SQUID DETECTOR. Conference
no. 103, 1983.
@conference{Maeno1983467,
title = {SIMPLE DIFFERENTIAL THERMOMETER USING A THERMOCOUPLE WITH A SQUID DETECTOR.},
author = {Yoshiteru Maeno and H Haucke and John Wheatley},
year = {1983},
date = {1983-01-01},
journal = {AIP Conference Proceedings},
number = {103},
pages = {467},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
4.
Y Maeno, H Haucke, J Wheatley
Simple differential thermometer for low temperatures using a thermocouple with a SQUID detector Journal Article
In: Review of Scientific Instruments, vol. 54, no. 8, pp. 946-948, 1983.
@article{Maeno1983946,
title = {Simple differential thermometer for low temperatures using a thermocouple with a SQUID detector},
author = {Y Maeno and H Haucke and J Wheatley},
doi = {10.1063/1.1137507},
year = {1983},
date = {1983-01-01},
journal = {Review of Scientific Instruments},
volume = {54},
number = {8},
pages = {946-948},
abstract = {Details of design and construction of a simple and rugged thermocouple differential thermometer are presented. Gold + 0.03 at % iron wire is used, with niobium leads connected to a SQUID. It is demonstrated that at 1 K the response time is about 15 ms and that the temperature sensitivity of 10- 7 K with a 10-Hz filter is Johnson-noise limited. Additional qualities such as small size, little self-heating, and high reproducibility make this device ideal for differential thermometry at low temperatures.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Details of design and construction of a simple and rugged thermocouple differential thermometer are presented. Gold + 0.03 at % iron wire is used, with niobium leads connected to a SQUID. It is demonstrated that at 1 K the response time is about 15 ms and that the temperature sensitivity of 10- 7 K with a 10-Hz filter is Johnson-noise limited. Additional qualities such as small size, little self-heating, and high reproducibility make this device ideal for differential thermometry at low temperatures.
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}
}
