On the ‘Supersolid’ Response of the Second Layer of 4He on Graphite. / Nyeki, Jan; Phillis, Anastasia; Cowan, Brian; Saunders, John.

In: Journal of Low Temperature Physics, Vol. 187, No. 5-6, 06.2017, p. 475-481.

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On the ‘Supersolid’ Response of the Second Layer of 4He on Graphite. / Nyeki, Jan; Phillis, Anastasia; Cowan, Brian; Saunders, John.

In: Journal of Low Temperature Physics, Vol. 187, No. 5-6, 06.2017, p. 475-481.

Research output: Contribution to journalSpecial issue

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@article{e26bf5fa23e549e4b5dc9e3d07d3db58,
title = "On the {\textquoteleft}Supersolid{\textquoteright} Response of the Second Layer of 4He on Graphite",
abstract = "Recent torsional oscillator measurements on the second layer of 4He adsorbed on graphite have identified an anomalous superfluid response over a coverage range near third layer promotion, with four distinct coverage regimes. Here we present details of the superfluid response in the coverage regime immediately below third layer promotion. A scaling analysis of the inferred superfluid fraction shows the characteristic temperature governing the superfluid response to decrease, approaching zero near the coverage at which simulations predict the second layer to form a conventional incommensurate solid.",
keywords = "Superfluid Helium-4, Helium Film, Supersolid",
author = "Jan Nyeki and Anastasia Phillis and Brian Cowan and John Saunders",
year = "2017",
month = jun,
doi = "10.1007/s10909-017-1779-x",
language = "English",
volume = "187",
pages = "475--481",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
publisher = "Springer New York",
number = "5-6",

}

RIS

TY - JOUR

T1 - On the ‘Supersolid’ Response of the Second Layer of 4He on Graphite

AU - Nyeki, Jan

AU - Phillis, Anastasia

AU - Cowan, Brian

AU - Saunders, John

PY - 2017/6

Y1 - 2017/6

N2 - Recent torsional oscillator measurements on the second layer of 4He adsorbed on graphite have identified an anomalous superfluid response over a coverage range near third layer promotion, with four distinct coverage regimes. Here we present details of the superfluid response in the coverage regime immediately below third layer promotion. A scaling analysis of the inferred superfluid fraction shows the characteristic temperature governing the superfluid response to decrease, approaching zero near the coverage at which simulations predict the second layer to form a conventional incommensurate solid.

AB - Recent torsional oscillator measurements on the second layer of 4He adsorbed on graphite have identified an anomalous superfluid response over a coverage range near third layer promotion, with four distinct coverage regimes. Here we present details of the superfluid response in the coverage regime immediately below third layer promotion. A scaling analysis of the inferred superfluid fraction shows the characteristic temperature governing the superfluid response to decrease, approaching zero near the coverage at which simulations predict the second layer to form a conventional incommensurate solid.

KW - Superfluid Helium-4

KW - Helium Film

KW - Supersolid

U2 - 10.1007/s10909-017-1779-x

DO - 10.1007/s10909-017-1779-x

M3 - Special issue

VL - 187

SP - 475

EP - 481

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 5-6

ER -