Temperature dependence of third sound in helium monolayers

B. E. Clements; E. Krotscheck; H. J. Lauter; M. Saarela

doi:10.1016/0921-4526(94)90658-0

Temperature dependence of third sound in helium monolayers

B. E. Clements
, E. Krotscheck
, H. J. Lauter
, M. Saarela

Physics

Institut Laue-Langevin
University of Oulu

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The temperature dependence of third sound is determined from a variational-density-matrix approach. At zero temperature a liquid ⁴He monolayer, adsorbed to a weakly attractive substrate, supports third sound only within a restricted range of coverages. Elevating the temperature appreciably decreases the value of the minimum stable coverage, increases the maximum sound velocity, and slightly decreases the maximum stable coverage.

Original language	English
Pages (from-to)	657-658
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	194-196
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4526(94)90658-0
State	Published - Feb 2 1994

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title = "Temperature dependence of third sound in helium monolayers",

abstract = "The temperature dependence of third sound is determined from a variational-density-matrix approach. At zero temperature a liquid 4He monolayer, adsorbed to a weakly attractive substrate, supports third sound only within a restricted range of coverages. Elevating the temperature appreciably decreases the value of the minimum stable coverage, increases the maximum sound velocity, and slightly decreases the maximum stable coverage.",

author = "Clements, \{B. E.\} and E. Krotscheck and Lauter, \{H. J.\} and M. Saarela",

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T1 - Temperature dependence of third sound in helium monolayers

AU - Clements, B. E.

AU - Krotscheck, E.

AU - Lauter, H. J.

AU - Saarela, M.

PY - 1994/2/2

Y1 - 1994/2/2

N2 - The temperature dependence of third sound is determined from a variational-density-matrix approach. At zero temperature a liquid 4He monolayer, adsorbed to a weakly attractive substrate, supports third sound only within a restricted range of coverages. Elevating the temperature appreciably decreases the value of the minimum stable coverage, increases the maximum sound velocity, and slightly decreases the maximum stable coverage.

AB - The temperature dependence of third sound is determined from a variational-density-matrix approach. At zero temperature a liquid 4He monolayer, adsorbed to a weakly attractive substrate, supports third sound only within a restricted range of coverages. Elevating the temperature appreciably decreases the value of the minimum stable coverage, increases the maximum sound velocity, and slightly decreases the maximum stable coverage.

UR - https://www.scopus.com/pages/publications/17944397240

U2 - 10.1016/0921-4526(94)90658-0

DO - 10.1016/0921-4526(94)90658-0

M3 - Article

AN - SCOPUS:17944397240

SN - 0921-4526

VL - 194-196

SP - 657

EP - 658

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - PART 1

ER -

Temperature dependence of third sound in helium monolayers

Abstract

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