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Coupling of phonons to a helium atom adsorbed on graphite

Williams, R. D. and Cole, M. W. and Koonin, S. E. (1983) Coupling of phonons to a helium atom adsorbed on graphite. Physical Review B, 28 (2). pp. 1076-1080. ISSN 1098-0121.

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We compute the self-energy for a ^4He atom adsorbed on graphite to second order in the phonon coupling. The phonon contributions amount to several degrees Kelvin. The imaginary part corresponds to a lifetime of some 10^(-11) s.

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Additional Information:© 1983 The American Physical Society. Received 22 February 1983. We are grateful to Flavio Toigo and David Goodstein for useful discussions. This work was supported by National Science Foundation Grants Nos. PHY-79-23638, PHY-82-07332, DMR-81-13262, and U.S. Department of Energy Contract No. DE-AM03-76SF00767.
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Department of Energy (DOE)DE-AM03-76SF00767
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ID Code:32380
Deposited By: Tony Diaz
Deposited On:12 Jul 2012 22:14
Last Modified:26 Dec 2012 15:30

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