Search Results - "Guenault, A M"

Probing Bogoliubov Quasiparticles in Superfluid \( reversible reaction \)He with a 'Vibrating-Wire Like' MEMS Device by Defoort, M, Dufresnes, S, Ahlstrom, S L, Bradley, DI, Haley, R P, Guenault, A M, Guise, E A, Pickett, G R, Poole, M, Woods, A J, Tsepelin, V, Fisher, S N, Godfrin, H, Collin, E

“…We have measured the interaction between superfluid \( reversible reaction \)He-B and a micro-machined goalpost-shaped device at temperatures below…”
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Breaking the superfluid speed limit in a fermionic condensate by Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Lawson, C. R., Pickett, G. R., Schanen, R., Skyba, M., Tsepelin, V., Zmeev, D. E.

“…An experiment reports the unexpected behaviour of an object in uniform motion in superfluid helium-3 above the Landau critical velocity — the limit above which…”
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Operating Nanobeams in a Quantum Fluid by Bradley, D. I., George, R., Guénault, A. M., Haley, R. P., Kafanov, S., Noble, M. T., Pashkin, Yu. A., Pickett, G. R., Poole, M., Prance, J. R., Sarsby, M., Schanen, R., Tsepelin, V., Wilcox, T., Zmeev, D. E.

“…Microelectromechanical (MEMS) and nanoelectromechanical systems (NEMS) are ideal candidates for exploring quantum fluids, since they can be manufactured…”
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On-chip magnetic cooling of a nanoelectronic device by Bradley, D. I., Guénault, A. M., Gunnarsson, D., Haley, R. P., Holt, S., Jones, A. T., Pashkin, Yu. A., Penttilä, J., Prance, J. R., Prunnila, M., Roschier, L.

“…We demonstrate significant cooling of electrons in a nanostructure below 10 mK by demagnetisation of thin-film copper on a silicon chip. Our approach overcomes…”
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Direct measurement of the energy dissipated by quantum turbulence by Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Pickett, G. R., Potts, D., Tsepelin, V.

“…It is difficult to measure the turbulent energy in a classical system as the turbulence contributes only a small kinetic energy compared with the enthalpy of…”
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Decay of Pure Quantum Turbulence in Superfluid He 3 − B by Bradley, D. I., Clubb, D. O., Fisher, S. N., Guénault, A. M., Haley, R. P., Matthews, C. J., Pickett, G. R., Tsepelin, V., Zaki, K.

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An advanced dilution refrigerator designed for the new Lancaster microkelvin facility by COUSINS, D. J, FISHER, S. N, GUENAULT, A. M, HALEY, R. P, MILLER, I. E, PICKETT, G. R, PLENDERLEITH, G. N, SKYBA, P, THIBAULT, P. Y. A, WARD, M. G

“…We have constructed a large new dilution refrigerator for use with the new Lancaster nuclear cooling facility. The machine is housed in a purpose-rebuilt suite…”
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Relic topological defects from brane annihilation simulated in superfluid 3He by Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Kopu, J., Martin, H., Pickett, G. R., Roberts, J. E., Tsepelin, V.

“…Although it is widely accepted that to resolve the ‘horizon’ problem the early Universe must have undergone a sudden expansion (cosmic inflation), what…”
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Emission of Discrete Vortex Rings by a Vibrating Grid In Superfluid He 3 − B : A Precursor to Quantum Turbulence by Bradley, D. I., Clubb, D. O., Fisher, S. N., Guénault, A. M., Haley, R. P., Matthews, C. J., Pickett, G. R., Tsepelin, V., Zaki, K.

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The Transition to Turbulent Drag for a Cylinder Oscillating in Superfluid He: A Comparison of Quantum and Classical Behavior by Bradley, D I, Fisher, S N, Guenault, A M, Haley, R P, Tsepelin, V, Pickett, G R, Zaki, K L

“…We have measured the drag and inertial forces on wire resonators in superfluid He at millikelvin temperatures. At low velocities the behavior is dominated by…”
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Hysteresis, Switching and Anomalous Behaviour of a Quartz Tuning Fork in Superfluid 4He by Bradley, D. I., Fear, M. J., Fisher, S. N., Guénault, A. M., Haley, R. P., Lawson, C. R., Pickett, G. R., Schanen, R., Tsepelin, V., Wheatland, L. A.

“…We have been studying the behaviour of commercial quartz tuning forks immersed in superfluid 4 He and driven at resonance. For one of the forks we have…”
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Response of a Mechanical Oscillator in Solid 4He by Ahlstrom, S. L., Bradley, D. I., Človečko, M., Fisher, S. N., Guénault, A. M., Guise, E. A., Haley, R. P., Kolosov, O., Kumar, M., McClintock, P. V. E., Pickett, G. R., Polturak, E., Poole, M., Todoshchenko, I., Tsepelin, V., Woods, A. J.

“…We present the first measurements of the response of a mechanical oscillator in solid 4 He. We use a lithium niobate tuning fork operating in its fundamental…”
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Plastic Properties of Solid 4He Probed by a Moving Wire: Viscoelastic and Stochastic Behavior Under High Stress by Ahlstrom, S. L., Bradley, D. I., Človečko, M., Fisher, S. N., Guénault, A. M., Guise, E. A., Haley, R. P., Kumar, M., McClintock, P. V. E., Pickett, G. R., Polturak, E., Poole, M., Todoshchenko, I., Tsepelin, V., Woods, A. J.

“…We present measurements of a thin wire moving through solid 4 He. Measurements were made over a wide temperature range at pressures close to the melting curve…”
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The Onset of Vortex Production by a Vibrating Wire in Superfluid 3He-B by Bradley, D. I., Fisher, S. N., Ganshin, A., Guénault, A. M., Haley, R. P., Jackson, M. J., Pickett, G. R., Tsepelin, V.

“…We present measurements of the force-velocity response of a vibrating wire resonator in superfluid 3 He-B at very low temperatures. At low velocities the…”
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Anomalous Damping of a Low Frequency Vibrating Wire in Superfluid 3He-B due to Vortex Shielding by Bradley, D. I., Fear, M. J., Fisher, S. N., Guénault, A. M., Haley, R. P., Lawson, C. R., Pickett, G. R., Schanen, R., Tsepelin, V.

“…We have investigated the behaviour of a large vibrating wire resonator in the B-phase of superfluid 3 He at zero pressure and at temperatures below 200 μK. The…”
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Mesoscopic behaviour of the neutral Fermi gas 3He confined in quantum wires by PHILLIPSON, S. L, GUENAULT, A. M, FISHER, S. N, PICKETT, G. R, THIBAULT, P. J. Y

“…The behaviour of electron gases in restricted geometries provides a means to explore the fundamental quantum-mechanical properties of fermion gases at…”
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Thermometry in Normal Liquid 3He Using a Quartz Tuning Fork Viscometer by Bradley, D. I., Človečko, M., Fisher, S. N., Garg, D., Guénault, A. M., Guise, E., Haley, R. P., Pickett, G. R., Poole, M., Tsepelin, V.

“…We have developed the use of quartz tuning forks for thermometry in normal liquid 3 He. We have used a standard 32 kHz tuning fork to measure the viscosity of…”
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Grid Turbulence in Superfluid He-B at Low Temperatures by Bradley, D I, Fisher, S N, Guenault, A M, Haley, R P, Holmes, M, O'Sullivan, S, Pickett, G R, Tsepelin, V

“…Quantum turbulence consists of a tangle of quantised vortex lines which interact via their self induced flow. At very low temperatures there is no normal fluid…”
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The Damping of a Quartz Tuning Fork in Superfluid 3He-B at Low Temperatures by Bradley, D. I., Crookston, P., Fisher, S. N., Ganshin, A., Guénault, A. M., Haley, R. P., Jackson, M. J., Pickett, G. R., Schanen, R., Tsepelin, V.

“…We have measured the damping on a quartz tuning fork in the B-phase of superfluid 3 He at low temperatures, below 0.3 T c . We present extensive measurements…”
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History Dependence of Turbulence Generated by a Vibrating Wire in Superfluid 4He at 1.5 K by Bradley, D. I., Guénault, A. M., Fisher, S. N., Haley, R. P., Jackson, M. J., Nye, D., O’Shea, K., Pickett, G. R., Tsepelin, V.

“…We report on the onset of turbulence in normal and superfluid 4 He using several 13.5 μm diameter vibrating wire resonators placed in a cell, filtered from the…”
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