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  • Effect of Boundary Condition on Kapitza Resistance

    Rights statement: © 2020 American Physical Society

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Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal

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

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Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal. / Autti, Samuli; Guénault, Tony; Jennings, Ash et al.
In: Physical Review B: Condensed Matter and Materials Physics, Vol. 102, 064508, 25.08.2020.

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

Harvard

Autti, S, Guénault, T, Jennings, A, Haley, R, Pickett, G, Schanen, R, Tsepelin, V, Vonka, J, Zmeev, D & Soldatov, A 2020, 'Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal', Physical Review B: Condensed Matter and Materials Physics, vol. 102, 064508. https://doi.org/10.1103/PhysRevB.102.064508

APA

Autti, S., Guénault, T., Jennings, A., Haley, R., Pickett, G., Schanen, R., Tsepelin, V., Vonka, J., Zmeev, D., & Soldatov, A. (2020). Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal. Physical Review B: Condensed Matter and Materials Physics, 102, Article 064508. https://doi.org/10.1103/PhysRevB.102.064508

Vancouver

Autti S, Guénault T, Jennings A, Haley R, Pickett G, Schanen R et al. Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal. Physical Review B: Condensed Matter and Materials Physics. 2020 Aug 25;102:064508. doi: 10.1103/PhysRevB.102.064508

Author

Autti, Samuli ; Guénault, Tony ; Jennings, Ash et al. / Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal. In: Physical Review B: Condensed Matter and Materials Physics. 2020 ; Vol. 102.

Bibtex

@article{d19eaf5cf0ba48da8515d55444bc526d,
title = "Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal",
abstract = "Understanding the temperature dependence of thermal boundary resistance, or Kapitza resistance, between liquid helium and sintered metal has posed a problem in low temperature physics for decades. In the ballistic regime of superfluid 3He-B, we find the Kapitza resistance can be described via scattering of thermal excitations (quasiparticles) with a macroscopic geometric area, rather than the sintered metal's microscopic area. We estimate that a quasiparticle needs on the order of 1000 collisions to successfully thermalize with the sinter. Finally, we find that the Kapitza resistance is approximately doubled with the addition of two mono-layers of solid 4He on the sinter surface, which we attribute to an extra magnetic channel of heat transfer being closed as the non-magnetic solid 4He replaces the magnetic solid 3He.",
keywords = "Liquid He-3, Low temperature",
author = "Samuli Autti and Tony Gu{\'e}nault and Ash Jennings and Richard Haley and George Pickett and Roch Schanen and Viktor Tsepelin and Jakub Vonka and Dmitry Zmeev and Arkady Soldatov",
note = "{\textcopyright} 2020 American Physical Society ",
year = "2020",
month = aug,
day = "25",
doi = "10.1103/PhysRevB.102.064508",
language = "English",
volume = "102",
journal = "Physical Review B: Condensed Matter and Materials Physics",
issn = "2469-9950",
publisher = "AMER PHYSICAL SOC",

}

RIS

TY - JOUR

T1 - Effect of the boundary condition on the Kapitza resistance between superfluid 3He-B and sintered metal

AU - Autti, Samuli

AU - Guénault, Tony

AU - Jennings, Ash

AU - Haley, Richard

AU - Pickett, George

AU - Schanen, Roch

AU - Tsepelin, Viktor

AU - Vonka, Jakub

AU - Zmeev, Dmitry

AU - Soldatov, Arkady

N1 - © 2020 American Physical Society

PY - 2020/8/25

Y1 - 2020/8/25

N2 - Understanding the temperature dependence of thermal boundary resistance, or Kapitza resistance, between liquid helium and sintered metal has posed a problem in low temperature physics for decades. In the ballistic regime of superfluid 3He-B, we find the Kapitza resistance can be described via scattering of thermal excitations (quasiparticles) with a macroscopic geometric area, rather than the sintered metal's microscopic area. We estimate that a quasiparticle needs on the order of 1000 collisions to successfully thermalize with the sinter. Finally, we find that the Kapitza resistance is approximately doubled with the addition of two mono-layers of solid 4He on the sinter surface, which we attribute to an extra magnetic channel of heat transfer being closed as the non-magnetic solid 4He replaces the magnetic solid 3He.

AB - Understanding the temperature dependence of thermal boundary resistance, or Kapitza resistance, between liquid helium and sintered metal has posed a problem in low temperature physics for decades. In the ballistic regime of superfluid 3He-B, we find the Kapitza resistance can be described via scattering of thermal excitations (quasiparticles) with a macroscopic geometric area, rather than the sintered metal's microscopic area. We estimate that a quasiparticle needs on the order of 1000 collisions to successfully thermalize with the sinter. Finally, we find that the Kapitza resistance is approximately doubled with the addition of two mono-layers of solid 4He on the sinter surface, which we attribute to an extra magnetic channel of heat transfer being closed as the non-magnetic solid 4He replaces the magnetic solid 3He.

KW - Liquid He-3

KW - Low temperature

U2 - 10.1103/PhysRevB.102.064508

DO - 10.1103/PhysRevB.102.064508

M3 - Journal article

VL - 102

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 2469-9950

M1 - 064508

ER -