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The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry.

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The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry. / Bartkowiak, M.; Fisher, Shaun N.; Guénault, A.M. et al.
In: Physica B: Condensed Matter, Vol. 280, No. 1-4, 05.2000, p. 108-111.

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

Harvard

Bartkowiak, M, Fisher, SN, Guénault, AM, Haley, RP, Plenderleith, GN, Pickett, GR & Skyba, P 2000, 'The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry.', Physica B: Condensed Matter, vol. 280, no. 1-4, pp. 108-111. https://doi.org/10.1016/S0921-4526(99)01504-5

APA

Bartkowiak, M., Fisher, S. N., Guénault, A. M., Haley, R. P., Plenderleith, G. N., Pickett, G. R., & Skyba, P. (2000). The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry. Physica B: Condensed Matter, 280(1-4), 108-111. https://doi.org/10.1016/S0921-4526(99)01504-5

Vancouver

Bartkowiak M, Fisher SN, Guénault AM, Haley RP, Plenderleith GN, Pickett GR et al. The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry. Physica B: Condensed Matter. 2000 May;280(1-4):108-111. doi: 10.1016/S0921-4526(99)01504-5

Author

Bartkowiak, M. ; Fisher, Shaun N. ; Guénault, A.M. et al. / The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry. In: Physica B: Condensed Matter. 2000 ; Vol. 280, No. 1-4. pp. 108-111.

Bibtex

@article{bdd985c2ecc245d083331570e8ab7923,
title = "The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry.",
abstract = "We have used a magnetic field gradient to stabilise the phase boundary between the A- and B-phases of superfluid He-3 inside a quasiparticle black body radiator down to 146 mu K; The radiator technique enables us to measure very accurately the density of quasiparticle excitations and therefore the temperature of the B-phase inside the radiator. As we ramp the held through the transition we can observe the cooling (warming) effect when the volume of A-phase is increased (decreased). From these measurements we deduce the temperature dependence of the latent heat, which provides the lowest temperature verification yet of the existence of nodes in the A-phase order parameter.",
keywords = "A-B transition, He-3 superfluid, latent heat, phase transition, ultralow temperatures",
author = "M. Bartkowiak and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Haley, {Richard P.} and Plenderleith, {G. N.} and Pickett, {George R.} and P. Skyba",
year = "2000",
month = may,
doi = "10.1016/S0921-4526(99)01504-5",
language = "English",
volume = "280",
pages = "108--111",
journal = "Physica B: Condensed Matter",
issn = "0921-4526",
publisher = "ELSEVIER SCIENCE BV",
number = "1-4",

}

RIS

TY - JOUR

T1 - The thermodynamics of the A-B transition in superfluid He-3 as a probe of the A-phase gap node geometry.

AU - Bartkowiak, M.

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Haley, Richard P.

AU - Plenderleith, G. N.

AU - Pickett, George R.

AU - Skyba, P.

PY - 2000/5

Y1 - 2000/5

N2 - We have used a magnetic field gradient to stabilise the phase boundary between the A- and B-phases of superfluid He-3 inside a quasiparticle black body radiator down to 146 mu K; The radiator technique enables us to measure very accurately the density of quasiparticle excitations and therefore the temperature of the B-phase inside the radiator. As we ramp the held through the transition we can observe the cooling (warming) effect when the volume of A-phase is increased (decreased). From these measurements we deduce the temperature dependence of the latent heat, which provides the lowest temperature verification yet of the existence of nodes in the A-phase order parameter.

AB - We have used a magnetic field gradient to stabilise the phase boundary between the A- and B-phases of superfluid He-3 inside a quasiparticle black body radiator down to 146 mu K; The radiator technique enables us to measure very accurately the density of quasiparticle excitations and therefore the temperature of the B-phase inside the radiator. As we ramp the held through the transition we can observe the cooling (warming) effect when the volume of A-phase is increased (decreased). From these measurements we deduce the temperature dependence of the latent heat, which provides the lowest temperature verification yet of the existence of nodes in the A-phase order parameter.

KW - A-B transition

KW - He-3 superfluid

KW - latent heat

KW - phase transition

KW - ultralow temperatures

U2 - 10.1016/S0921-4526(99)01504-5

DO - 10.1016/S0921-4526(99)01504-5

M3 - Journal article

VL - 280

SP - 108

EP - 111

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

IS - 1-4

ER -