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Dr David Bradley

Honorary Researcher

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  1. Published

    Simple design for dilution refrigerator with base temperature of 2.3 mK

    Bradley, D. I., Follows, M. R., Miller, I., Oswald, R. & Ward, M., 1/01/1994, In: Cryogenics. 34, 6, p. 549-550 2 p.

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

  2. Published

    Response of a mechanical oscillator in solid 4He

    Ahlstrom, S., Bradley, I., Clovecko, M., Guénault, T., Guise, E. A., Haley, R., Kolosov, O., Kumar, M., McClintock, P. V. E., Pickett, G., Polturak, E., Poole, M., Todoshchenko, I. A., Tsepelin, V. & Woods, A., 04/2014, In: Journal of Low Temperature Physics. 175, 1-2, p. 140-146 7 p.

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

  3. 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

  4. Published

    Relic topological defects from brane annihilation simulated in superfluid He-3.

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Kopu, J., Martin, H., Pickett, G. R., Roberts, J. E. & Tsepelin, V., 01/2008, In: Nature Physics. 4, 1, p. 46-49 4 p.

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

  5. Published

    Regular vortex production by a moving wire in superfluid He-3-B.

    Bradley, D. I. & Pickett, G. R., 2000, Topological Defects and the non-equilibrium dynamics of symmetry breaking phase transitions. Bunkov, Y. M. & Godfrin, H. (eds.). Dordrecht: Springer, Vol. 549. p. 345-351 7 p. (NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES C, MATHEMATICAL AND PHYSICAL SCIENCES).

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

  6. 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

  7. 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

  8. Published

    Quantum turbulence in superfluid He-3 illuminated by a beam of quasiparticle excitations.

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Lowe, M. R., Pickett, G. R., Rahm, A. & Whitehead, R. C. V., 12/2004, In: Physical review letters. 93, 23, p. 235302

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

  9. 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

  10. 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

  11. 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

  12. Published

    Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork.

    Bradley, I., Clovecko, M., Gazo, E. & Skyba, P., 09/2008, In: Journal of Low Temperature Physics. 152, 5-6, p. 147-155 9 p.

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

  13. Published

    Preliminary measurements on coupling between superfluid He-3 and Kapton or aerogel in the low temperature limit.

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Mulders, N., Pickett, G. R., Skyba, P. & Whitehead, R. C. V., 01/2005, In: Journal of Low Temperature Physics. 138, 1-2, p. 129-134 6 p.

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

  14. Published

    Preliminary measurements of Andreev reflection of quasiparticles by turbulence in superfluid He-3.

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Lowe, M. R., Pickett, G. R. & Rahm, A., 07/2001, In: Journal of Low Temperature Physics. 124, 1-2, p. 113-122 10 p.

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

  15. 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

  16. 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

  17. Published

    Plastic properties of solid 4He probed by a moving wire: viscoelastic and stochastic behavior under high stress

    Ahlstrom, S., Bradley, I., Clovecko, M., Fisher, S., Guénault, T., Guise, E. A., Haley, R., Kumar, M., McClintock, P. V. E., Pickett, G., Polturak, E., Poole, M., Todoshchenko, I. A., Tsepelin, V. & Woods, A., 04/2014, In: Journal of Low Temperature Physics. 175, 1-2, p. 147-153 7 p.

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

  18. 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

  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

    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

  21. 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

  22. 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

  23. Published

    Non-linear mechanical response of the a-like phase of superfluid He-3 in aerogel.

    Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., Pickett, G. R., Roberts, J. E., O'Sullivan, S. & Tsepelin, V., 09/2007, In: Journal of Low Temperature Physics. 148, 5-6, p. 603-607 5 p.

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

  24. 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

  25. 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

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