Quantitative analysis of observed signatures in phonon reflection experiment

For phonons propagating in a crystal at low temperature, we develop a phonon reflection model and an analysis framework to fully understand reflection peaks from underlying physics principles. Our study shows that the specular reflection structure of peaks contains detailed information about propert...

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Bibliographic Details
Published inJournal of physics. Condensed matter Vol. 33; no. 5; pp. 55901 - 55907
Main Author Li, Jin
Format Journal Article
LanguageEnglish
Published England IOP Publishing 01.12.2020
Subjects
cryogenic detectors
lattice dynamics
phonon
reflection
lattice dynamics
phonon
reflection
cryogenic detectors
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Summary:For phonons propagating in a crystal at low temperature, we develop a phonon reflection model and an analysis framework to fully understand reflection peaks from underlying physics principles. Our study shows that the specular reflection structure of peaks contains detailed information about properties of the crystal material, and provides a solid quantitative link between phonon theory and experimental signals. For both kinds of experiments that either use crystal as a particle detector or as a target material for study, this analysis provides a novel and essential method to understand the experimental signatures.
Bibliography:JPCM-116838.R1
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ISSN:0953-8984
1361-648X
DOI:10.1088/1361-648X/abbf2a