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Phys. Rev. A 59, 1662–1666 (1999)

Radiation modes of a cavity with a resonantly oscillating boundary

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Ying Wu1,2,3, K. W. Chan1, M.-C. Chu1, and P. T. Leung1
1Department of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
2Physics Department, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China
3Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, Wuhan 430071, People’s Republic of China

Received 31 August 1998; published in the issue dated February 1999

We present exact analytic solutions to describe the quantum dynamics of the radiation modes in a one-dimensional cavity vibrating at any one of its resonance frequencies. For a cavity vibrating at its mth (m>~2) eigenfrequency, m traveling wave packets emerge in the finite part of the field energy density and their amplitudes grow while their widths shrink in time, representing a large concentration of energy. There also exists a “sub-Casimir” region where the energy density equals m2 times the static Casimir energy density.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.59.1662
DOI:
10.1103/PhysRevA.59.1662
PACS:
42.50.Lc, 03.65.-w, 12.20.Ds, 03.70.+k
 
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