Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2010-05-28
Ukr. J. Phys. v. 55, p. 901 (2010)
Physics
Condensed Matter
Other Condensed Matter
9 pages, 1 figure
Scientific paper
We find the distribution of the electromagnetic field inside and outside a dielectric disk resonator placed in He-II. It is shown that this field consists of a collection of "circular" (c-) photons. The wave function \Psi_c of a c-phonon for the He-II + disk system is calculated in the zero-order approximation in interaction. Due to the symmetry of the problem, the structure of \Psi_c is such that a c-phonon possesses, similarly to a c-photon of the resonator, a definite energy and an angular momentum with respect to the disk axis, but it does not possess a definite momentum in the disk plane.
Loktev Vadim M.
Tomchenko Maksim D.
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