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Elastic wave transmission at an abrupt junction in a thin plate with application to heat transport and vibrations in mesoscopic systems

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Cross, M. C., Lifshitz, Ron·2001·Physical Review B

Abstract

The transmission coefficient for vibrational waves crossing an abrupt junction between two thin elastic plates of different widths is calculated. These calculations are relevant to ballistic phonon thermal transport at low temperatures in mesoscopic systems and the Q for vibrations in mesoscopic oscillators. Complete results are derived in a simple scalar model of the elastic waves, and results for long-wavelength modes are obtained using full elasticity theory. We suggest that thin-plate elasticity theory provides a useful and tractable approximation to the three-dimensional geometry.

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Metadata

Authors
Cross, M. C., & Lifshitz, R.
Venue
Physical Review B
Published
2001-08-08
Volume
64
Issue
8
ISSN
  • 0163-1829 (ISSN-L)
  • 1095-3795
OpenAlex
W2166695689
Cited by
263
References
0
FWCI
5.39
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Elastic wave transmission at an abrupt junction in a thin plate with application to heat transport and vibrations in mesoscopic systems. https://app.cochat.ai/papers/10.1103/physrevb.64.085324
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Cross, M. C., & Lifshitz, R. (2001). Elastic wave transmission at an abrupt junction in a thin plate with application to heat transport and vibrations in mesoscopic systems. Physical Review B. https://doi.org/10.1103/physrevb.64.085324

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.