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Research

Dr David Bradley

Honorary Researcher

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  1. Published

    Viscosity of the 3He-4He dilute phase in the mixing chamber of a dilution refrigerator

    Bradley, DI. & OSWALD, R., 07/1990, In: Journal of Low Temperature Physics. 80, 1-2, p. 89-97 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  2. Published

    Potential dark matter detector? the detection of low energy neutrons by superfluid 3He

    Bradley, DI., Bunkov, YM., Cousins, DJ., Enrico, MP., Fisher, S., Follows, MR., Guénault, A. M., Hayes, WM., Pickett, G. & Sloan, T., 4/09/1995, In: Physical review letters. 75, 10, p. 1887-1890 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    A highly sensitive nuclear recoil detector based on superfluid3He-B

    Bradley, D. I., Bunkov, YM., Cousins, DJ., Enrico, MP., Fisher, SN., Follows, MR., Guénault, A. M., Hayes, WM., Pickett, GR. & Sloan, T., 10/1995, In: Journal of Low Temperature Physics. 101, 1-2, p. 9-16 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    A theoretical simulation of a superfluid He-3-B nuclear recoil detector

    Bradley, D. I., Hayes, WM. & Sloan, T., 1996, In: Czechoslovak Journal of Physics. 46, 5 (supplement), p. 2885-2886 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    The detection of low energy neutrons and gamma-rays by superfluid He-3, a potential dark matter detector

    Bradley, D. I., Follows, MR., Hayes, WM. & Sloan, T., 11/02/1996, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 370, 1, p. 141-143 3 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    Measurements on the generation and subsequent decay of vorticity in superfluid He-3-B

    Bradley, D. I., Fisher, S. & Hayes, WM., 1998, COSMO-97: First International Workshop on Particle Physics and the Early Universe. Roszkowski, L. (ed.). Singapore: World Scientific, p. 432-434 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  7. Published

    Measuring the decay of vorticity in superfluid He-3-B: a progress report

    Bradley, I., Fisher, SN., Hayes, WM. & Bradley, I., 12/1998, In: Journal of Low Temperature Physics. 113, 5-6, p. 687-692 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Repetitive single vortex-loop creation by a vibrating wire in superfluid He-3-B

    Bradley, DI., 7/02/2000, In: Physical review letters. 84, 6, p. 1252-1255 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    An RF-SQUID amplifier system for use with vibrating wire resonators

    Bradley, DI. & Hayes, WM., 06/2000, In: Journal of Low Temperature Physics. 119, 5-6, p. 703-713 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Possible vortex production by a vibrating wire in superfluid He-3-B

    Bradley, DI. & Guénault, A. M., 05/2000, In: Physica B: Condensed Matter. 280, 1-4, p. 128-129 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Hysteresis, switching and anomalous behaviour of a quartz tuning fork in superfluid 4He

    Bradley, I., Fear, M., Fisher, S., Guénault, T., Haley, R., Lawson, C., Pickett, G., Schanen, R., Tsepelin, V. & Wheatland, L., 04/2014, In: Journal of Low Temperature Physics. 175, 1-2, p. 379-384 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Stability of flow and the transition to turbulence around a quartz tuning fork in superfluid He-4 at very low temperatures

    Bradley, D. I., Fear, M. J., Fisher, S., Guenault, A. M., Haley, R. P., Lawson, C. R., Pickett, G. R., Schanen, R., Tsepelin, V. & Wheatland, L. A., 9/06/2014, In: Physical review B. 89, 21, 9 p., 214503.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    Anomalous damping of a low frequency vibrating wire in superfluid He-3-B due to vortex shielding

    Bradley, D. I., Fear, M. J., Fisher, S., Guenault, A. M., Haley, R. P., Lawson, C. R., Pickett, G. R., Schanen, R. & Tsepelin, V., 04/2014, In: Journal of Low Temperature Physics. 175, 1-2, p. 372-378 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  14. Published

    Nanoelectronic primary thermometry below 4 mK

    Bradley, D. I., George, R. E., Gunnarsson, D., Haley, R. P., Heikkinen, H., Pashkin, Y., Penttilä, J., Prance, J. R., Prunnila, M., Roschier, L. & Sarsby, M., 27/01/2016, In: Nature Communications. 7, 6 p., 10455.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Probing liquid 4He with quartz tuning forks using a novel multifrequency lock-in technique

    Bradley, D. I., Haley, R. P., Kafanov, S., Noble, T., Pickett, G. R., Tsepelin, V., Vonka, J. & Wilcox, T., 09/2016, In: Journal of Low Temperature Physics. 184, 5, p. 1080-1091 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    Breaking the superfluid speed limit in a fermionic condensate

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Lawson, C., Pickett, G. R., Schanen, R., Skyba, M., Tsepelin, V. & Zmeev, D., 11/2016, In: Nature Physics. 12, 11, p. 1017-1021 5 p.

    Research output: Contribution to Journal/Magazine › Letter › peer-review

  17. Published

    On-chip magnetic cooling of a nanoelectronic device

    Bradley, D. I., Guénault, A. M., Gunnarsson, D., Haley, R. P., Holt, S., Jones, A. T., Pashkin, Y., Penttilä, J., Prance, J. R., Prunnila, M. & Roschier, L., 4/04/2017, In: Scientific Reports. 7, 9 p., 45566.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    Andreev Reflection in Superfluid He-3: A Probe for Quantum Turbulence

    Bradley, I., Guénault, T., Haley, R. P., Pickett, G. R. & Tsepelin, V., 1/03/2017, In: Annual Review of Condensed Matter Physics. 8, p. 407-430 24 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    Operating nanobeams in a quantum fluid

    Bradley, D. I., George, R. E., Guénault, A. M., Haley, R. P., Kafanov, S., Noble, T., Pashkin, Y., Pickett, G. R., Poole, M., Prance, J. R., Sarsby, M., Schanen, R., Tsepelin, V., Wilcox, T. & Zmeev, D., 7/07/2017, In: Scientific Reports. 7, 4876, 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Erratum: Nanoelectronic primary thermometry below 4 mK (Nature Communications (2016) 7 (10455) DOI: 10.1038/ncomms10455)

    Bradley, D. I., George, R. E., Gunnarsson, D., Haley, R. P., Heikkinen, H., Pashkin, Y. A., Penttilä, J., Prance, J. R., Prunnila, M., Roschier, L. & Sarsby, M., 3/06/2016, In: Nature Communications. 7, 1 p., 11678.

    Research output: Contribution to Journal/Magazine › Comment/debate › peer-review

  21. Published

    A high power, low heat leak dilution refrigerator for use with nuclear cooling

    Bradley, I., Bradshaw, TW., Guénault, T., Keith, V., Lockescobie, BG., Pickett, G. & Pratt, WP., 1981, In: PHYSICA B & C. 107, 1-3, p. 561-562 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Thermoelectric power of palladium-iron alloys

    Bradley, I., Guénault, T., Keith, V., Pickett, G. & Pratt, WP., 1981, In: PHYSICA B & C. 108, 1-3, p. 869-870 2 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Refrigeration and thermometry for millikelvin and sub-millikelvin nanoelectronics.

    Chawner, J., Bradley, I., Guénault, A., Gunnarsson, D., Haley, R., Jones, A., Pashkin, Y., Penttilä, J., Prance, J., Prunnila, M. & Roschier, L., 2019, In: APS March Meeting 2019.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  24. Published

    Probing Bogoliubov Quasiparticles in Superfluid $$^3$$ 3 He with a ‘Vibrating-Wire Like’ MEMS Device

    Defoort, M., Dufresnes, S., Ahlstrom, S. L., Bradley, D. I., Haley, R. P., Guénault, A. M., Guise, E. A., Pickett, G. R., Poole, M., Woods, A. J., Tsepelin, V., Fisher, S. N., Godfrin, H. & Collin, E., 05/2016, In: Journal of Low Temperature Physics. 183, 3, p. 284-291 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Generation, evolution, and decay of pure quantum turbulence: a full Biot-Savart simulation

    Fujiyama, S., Mitani, A., Tsubota, M., Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Pickett, G. R. & Tsepelin, V., 1/05/2010, In: Physical review B. 81, 18, p. - 4 p., 180512.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    Observation of quantum turbulence in superfluid 3He-B using reflection and transmission of ballistic thermal excitations

    Jackson, M., Bradley, D. I., Guénault, A. M., Haley, R. P., Pickett, G. R. & Tsepelin, V., 24/03/2017, In: Physical review B. 6 p., 094518.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. Published

    Nuclear demagnetisation cooling of a nanoelectronic device

    Jones, A., Bradley, I., Guénault, T., Gunnarsson, D., Haley, R., Holt, S., Pashkin, Y., Penttilä, J., Prance, J., Prunnila, M. & Roschier, L., 2017, In: APS March Meeting 2017.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  28. Published

    Producing and imaging quantum turbulence via pair-breaking in superfluid 3 He − B

    Noble, T., Ahlstrom, S., Bradley, I., Guise, E. A., Haley, R., Kafanov, S., Pickett, G., Poole, M., Schanen, R., Wilcox, T., Woods, A., Zmeev, D. & Tsepelin, V., 25/05/2022, In: Physical Review B: Condensed Matter and Materials Physics. 105, 17, 11 p., 174515.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Nanoelectronic thermometers optimised for sub-10 millikelvin operation

    Prance, J. R., Bradley, D. I., George, R. E., Haley, R. P., Pashkin, Y. A., Sarsby, M., Penttilä, J., Roschier, L., Gunnarsson, D., Heikkinen, H. & Prunnila, M., 10/06/2015, In: arxiv.org.

    Research output: Contribution to Journal/Magazine › Journal article

  30. Published

    Nanoelectronic primary thermometry below 4 millikelvin

    Sarsby, M., Haley, R., Bradley, D. I., George, R., Pashkin, Y., Prance, J., Gunnarsson, D., Heikkinen, H., Prunnila, M., Jari, P. & Roschier, L., 2016, In: APS March Meeting 2016.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  31. Published

    Heat pulse studies of quasiparticle dynamics in superconducting tunnel junction photon detectors.

    Steele, A. C., Boyd, P., Kozorezov, A. G., Wigmore, J. K. & Bradley, D. I., 05/2002, In: Physica B: Condensed Matter. 316-31, 1, p. 583-585 3 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Frequency-dependent drag from quantum turbulence produced by quartz tuning forks in superfluid He4

    Tsepelin, V., Ahlstrom, S., Bradley, I., Clovecko, M., Fisher, S., Guénault, T., Guise, E. A., Haley, R., Kolosov, O., McClintock, P. V. E., Pickett, G., Poole, M. & Woods, A., 30/01/2014, In: Physical review B. 89, 1, 10 p., 014515.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Quasiparticle dynamics in a tantalum superconducting tunnel junction photon detector studied using phonon pulses.

    Wigmore, J. K., Boyd, P., Kozorezov, A. G. & Bradley, D. I., 2004, In: Physica Status Solidi C. 1, 11, p. 2791-2794 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  34. Published

    Phonon excitation of quasiparticles in niobium and tantalum superconducting tunnel junction photon detectors.

    Wigmore, J. K., Boyd, P., Steele, A. C., Kozorezov, A. G. & Bradley, D. I., 11/03/2004, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 520, 1-3, p. 263-266 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. Published

    Characterisation of Ta STJ photon detectors using phonon pulses at mK temperatures.

    Wigmore, J. K., Boyd, P., Kozorezov, A. G. & Bradley, D. I., 2004, Proceedings of the 6th European conference on applied superconductivity: EUCAS. Bristol: Institute of Physics, p. 3007-3013 7 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

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