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Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures

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

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Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures. / Bartkowiak, M.; Daley, S. W. J.; Fisher, Shaun N. et al.
In: Physical review letters, Vol. 83, No. 17, 10.1999, p. 3462-3465.

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

Harvard

Bartkowiak, M, Daley, SWJ, Fisher, SN, Guénault, AM, Plenderleith, GN, Haley, RP, Pickett, GR & Skyba, P 1999, 'Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures', Physical review letters, vol. 83, no. 17, pp. 3462-3465. https://doi.org/10.1103/PhysRevLett.83.3462

APA

Bartkowiak, M., Daley, S. W. J., Fisher, S. N., Guénault, A. M., Plenderleith, G. N., Haley, R. P., Pickett, G. R., & Skyba, P. (1999). Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures. Physical review letters, 83(17), 3462-3465. https://doi.org/10.1103/PhysRevLett.83.3462

Vancouver

Bartkowiak M, Daley SWJ, Fisher SN, Guénault AM, Plenderleith GN, Haley RP et al. Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures. Physical review letters. 1999 Oct;83(17):3462-3465. doi: 10.1103/PhysRevLett.83.3462

Author

Bartkowiak, M. ; Daley, S. W. J. ; Fisher, Shaun N. et al. / Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures. In: Physical review letters. 1999 ; Vol. 83, No. 17. pp. 3462-3465.

Bibtex

@article{f8229772e8454ec3b59826358bbe223d,
title = "Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures",
abstract = "Since the A phase of superfluid He-3 has an energy gap with nodes while the B phase has a uniform gap, the entropies of the two phases are very different at low temperatures. The latent heat of the A-B transition is thus relatively large and provides a convenient probe for examining the structure of the A-phase gap nodes at low temperatures. We report here measurements of the latent heal down to similar to 150 mu K which show that at least to this temperature, the A-phase gap near the nodes is increasing linearly with deviation of the k vector from the nodal line. From the measurements of the latent heat and of the transition field B-AB we can determine the magnetization difference between the two phases.",
keywords = "Superfluid He-3",
author = "M. Bartkowiak and Daley, {S. W. J.} and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Plenderleith, {G. N.} and Haley, {Richard P.} and Pickett, {George R.} and P. Skyba",
year = "1999",
month = oct,
doi = "10.1103/PhysRevLett.83.3462",
language = "English",
volume = "83",
pages = "3462--3465",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "17",

}

RIS

TY - JOUR

T1 - Thermodynamics of the A-B phase transition and the geometry of the A-phase gap nodes in superfluid He-3 at low temperatures

AU - Bartkowiak, M.

AU - Daley, S. W. J.

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Plenderleith, G. N.

AU - Haley, Richard P.

AU - Pickett, George R.

AU - Skyba, P.

PY - 1999/10

Y1 - 1999/10

N2 - Since the A phase of superfluid He-3 has an energy gap with nodes while the B phase has a uniform gap, the entropies of the two phases are very different at low temperatures. The latent heat of the A-B transition is thus relatively large and provides a convenient probe for examining the structure of the A-phase gap nodes at low temperatures. We report here measurements of the latent heal down to similar to 150 mu K which show that at least to this temperature, the A-phase gap near the nodes is increasing linearly with deviation of the k vector from the nodal line. From the measurements of the latent heat and of the transition field B-AB we can determine the magnetization difference between the two phases.

AB - Since the A phase of superfluid He-3 has an energy gap with nodes while the B phase has a uniform gap, the entropies of the two phases are very different at low temperatures. The latent heat of the A-B transition is thus relatively large and provides a convenient probe for examining the structure of the A-phase gap nodes at low temperatures. We report here measurements of the latent heal down to similar to 150 mu K which show that at least to this temperature, the A-phase gap near the nodes is increasing linearly with deviation of the k vector from the nodal line. From the measurements of the latent heat and of the transition field B-AB we can determine the magnetization difference between the two phases.

KW - Superfluid He-3

U2 - 10.1103/PhysRevLett.83.3462

DO - 10.1103/PhysRevLett.83.3462

M3 - Journal article

VL - 83

SP - 3462

EP - 3465

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 17

ER -