Time delay of phonon pulses in thin helium films

J. Weber; W. Dietsche; H. Kinder

doi:10.1016/0375-9601(77)90716-2

Time delay of phonon pulses in thin helium films

J. Weber
, W. Dietsche
, H. Kinder

Department of Physics

Technical University of Munich

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

4 Scopus citations

Abstract

Phonons backscattered from surfaces covered by thin helium films were found to be time delayed if detectors sensitive to thermal frequencies were used. With a sample geometry which excluded diffusive reflection we determined a quantitative measure of the delay.

Original language	English
Pages (from-to)	202-204
Number of pages	3
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	64
Issue number	2
DOIs	https://doi.org/10.1016/0375-9601(77)90716-2
State	Published - 12 Dec 1977

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title = "Time delay of phonon pulses in thin helium films",

abstract = "Phonons backscattered from surfaces covered by thin helium films were found to be time delayed if detectors sensitive to thermal frequencies were used. With a sample geometry which excluded diffusive reflection we determined a quantitative measure of the delay.",

author = "J. Weber and W. Dietsche and H. Kinder",

year = "1977",

month = dec,

day = "12",

doi = "10.1016/0375-9601(77)90716-2",

language = "English",

volume = "64",

pages = "202--204",

journal = "Physics Letters, Section A: General, Atomic and Solid State Physics",

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TY - JOUR

T1 - Time delay of phonon pulses in thin helium films

AU - Weber, J.

AU - Dietsche, W.

AU - Kinder, H.

PY - 1977/12/12

Y1 - 1977/12/12

N2 - Phonons backscattered from surfaces covered by thin helium films were found to be time delayed if detectors sensitive to thermal frequencies were used. With a sample geometry which excluded diffusive reflection we determined a quantitative measure of the delay.

AB - Phonons backscattered from surfaces covered by thin helium films were found to be time delayed if detectors sensitive to thermal frequencies were used. With a sample geometry which excluded diffusive reflection we determined a quantitative measure of the delay.

UR - https://www.scopus.com/pages/publications/49449125385

U2 - 10.1016/0375-9601(77)90716-2

DO - 10.1016/0375-9601(77)90716-2

M3 - Article

AN - SCOPUS:49449125385

SN - 0375-9601

VL - 64

SP - 202

EP - 204

JO - Physics Letters, Section A: General, Atomic and Solid State Physics

JF - Physics Letters, Section A: General, Atomic and Solid State Physics

IS - 2

ER -

Time delay of phonon pulses in thin helium films

Abstract

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