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

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

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Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork. / Bradley, Ian; Clovecko, M.; Gazo, E. et al.
In: Journal of Low Temperature Physics, Vol. 152, No. 5-6, 09.2008, p. 147-155.

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

Harvard

Bradley, I, Clovecko, M, Gazo, E & Skyba, P 2008, 'Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork.', Journal of Low Temperature Physics, vol. 152, no. 5-6, pp. 147-155. https://doi.org/10.1007/s10909-008-9815-5

APA

Bradley, I., Clovecko, M., Gazo, E., & Skyba, P. (2008). Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork. Journal of Low Temperature Physics, 152(5-6), 147-155. https://doi.org/10.1007/s10909-008-9815-5

Vancouver

Bradley I, Clovecko M, Gazo E, Skyba P. Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork. Journal of Low Temperature Physics. 2008 Sept;152(5-6):147-155. doi: 10.1007/s10909-008-9815-5

Author

Bradley, Ian ; Clovecko, M. ; Gazo, E. et al. / Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork. In: Journal of Low Temperature Physics. 2008 ; Vol. 152, No. 5-6. pp. 147-155.

Bibtex

@article{04f054acb3ae47f89a0b4410be8641d3,
title = "Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork.",
abstract = "Direct measurements of the Andreev reflection of the quasiparticles excitations in superfluid He-3-B in the ballistic regime at 0.5 bar using a quartz tuning fork are presented. Based on these measurements, we were able to determine the value of the ratio Delta(0)/kT(c) to be 1.71, in reasonable agreement with previous measurements. Moreover, it seems that Andreev reflection of excitations gives a possibility to determine the value of the constant lambda characterizing the velocity field profile. This value for a tuning fork was estimated to be 1.28, different from that for cylindrical wire (lambda similar to 0.95), suggesting that the anti-phase oscillatory motion and the geometry of the tuning prongs lead to an enhancement of the velocity of the superfluid flow.",
keywords = "superfluid He-3-B, Andreev reflection, tuning fork, QUANTUM TURBULENCE, HELIUM LIQUIDS, VIBRATING-WIRE, ENERGY-GAP, PRESSURE",
author = "Ian Bradley and M. Clovecko and E. Gazo and P. Skyba",
year = "2008",
month = sep,
doi = "10.1007/s10909-008-9815-5",
language = "English",
volume = "152",
pages = "147--155",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
publisher = "SPRINGER/PLENUM PUBLISHERS",
number = "5-6",

}

RIS

TY - JOUR

T1 - Probing Andreev reflection in superfluid He-3-B using a quartz tuning fork.

AU - Bradley, Ian

AU - Clovecko, M.

AU - Gazo, E.

AU - Skyba, P.

PY - 2008/9

Y1 - 2008/9

N2 - Direct measurements of the Andreev reflection of the quasiparticles excitations in superfluid He-3-B in the ballistic regime at 0.5 bar using a quartz tuning fork are presented. Based on these measurements, we were able to determine the value of the ratio Delta(0)/kT(c) to be 1.71, in reasonable agreement with previous measurements. Moreover, it seems that Andreev reflection of excitations gives a possibility to determine the value of the constant lambda characterizing the velocity field profile. This value for a tuning fork was estimated to be 1.28, different from that for cylindrical wire (lambda similar to 0.95), suggesting that the anti-phase oscillatory motion and the geometry of the tuning prongs lead to an enhancement of the velocity of the superfluid flow.

AB - Direct measurements of the Andreev reflection of the quasiparticles excitations in superfluid He-3-B in the ballistic regime at 0.5 bar using a quartz tuning fork are presented. Based on these measurements, we were able to determine the value of the ratio Delta(0)/kT(c) to be 1.71, in reasonable agreement with previous measurements. Moreover, it seems that Andreev reflection of excitations gives a possibility to determine the value of the constant lambda characterizing the velocity field profile. This value for a tuning fork was estimated to be 1.28, different from that for cylindrical wire (lambda similar to 0.95), suggesting that the anti-phase oscillatory motion and the geometry of the tuning prongs lead to an enhancement of the velocity of the superfluid flow.

KW - superfluid He-3-B

KW - Andreev reflection

KW - tuning fork

KW - QUANTUM TURBULENCE

KW - HELIUM LIQUIDS

KW - VIBRATING-WIRE

KW - ENERGY-GAP

KW - PRESSURE

UR - http://www.scopus.com/inward/record.url?scp=50549100834&partnerID=8YFLogxK

U2 - 10.1007/s10909-008-9815-5

DO - 10.1007/s10909-008-9815-5

M3 - Journal article

VL - 152

SP - 147

EP - 155

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 5-6

ER -