Drop a pebble into a pond and the result is quite predictable: A circular wave expands out from the disturbance. Similarly, sound waves in the atmosphere radiate spherically from a point source. Vibrational waves in a solid medium, however, exhibit a much more intriguing behavior.
REFERENCES
1.
See, for example, B. A. Auld, Acoustic Waves and Fields in Solids, vol. 1, Wiley, New York (1973).
2.
3.
For a review of this technique, see L. Bergmann, Ultrasonics and Their Scientific and Technical Applications, Wiley, New York (1938).
4.
See also related work by
A. G.
Every
, W.
Sachse
, K. Y.
Kim
, M. O.
Thompson
, Phys. Rev. Lett.
65
, 1446
(1990
);A. G.
Every
, W.
Sachse
, K. Y.
Kim
, M. O.
Thompson
, J. Ac. Soc. Am.
95
, 1942
(1994
).5.
6.
M. R.
Hauser
, R. L.
Weaver
, J. P.
Wolfe
, Phys. Rev. Lett.
68
, 2604
(1992
).R. L.
Weaver
, M. R.
Hauser
, J. P.
Wolfe
, Zeit. Physik B
90
, 27
(1993
).7.
See also J. Wesner, K. U. Wurz, K. Hillman, W. Grill, in Phonon Scattering in Condensed Matter VII, M. Meissner, R. O. Pohl, eds., Springer, Berlin (1993), p. 68.
8.
R. J.
von Gutfeld
, A. H.
Nethercot
Jr, Phys. Rev. Lett.
12
, 641
(1964
).9.
G. A. Northrop, J. P. Wolfe, in Proc. NATO Advanced Study Institute on Nonequilibrium Phonon Dynamics, W. E. Bron, ed., Plenum, New York (1985), p. 165.
10.
11.
12.
13.
R. E.
Vines
, S.
Tamura
, J. P.
Wolfe
, Phys. Rev. Lett.
74
, 2729
(1995
).14.
C.
Corbel
, F.
Guillois
, D.
Royer
, M.
Fink
, R.
De Mol
, IEEE Trans, on Ultrasonics, Ferroelectrics, and Frequency Control
40
, 710
(1993
).W.
Sachse
, B.
Castagnede
, I.
Grabec
, K. Y.
Kim
, R. L.
Weaver
, Ultrasonics
28
, 97
(1990
).15.
See, for example, S. Hunklinger, W. Ludwig, G. Weiss, eds., Phonons 89, World Scientific, Singapore (1990).
16.
17.
J. Low Temp. Phys.
93
(1993
).
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