Abstract.
The field within a rectangular waveguide is associated with an electromagnetic four-potential which is used to excite a 3-dimensional (3D) quantum harmonic oscillator/atom within the guide and from the transition probabilities of the oscillators/atoms within the guide, we estimate the mode that has been excited as well as dimension of the guide. Finally, we make a small computation regarding the quantum information transmitted by the waveguide field (both classical and quantum e-m fields) having random phases and amplitudes to the atomic oscillator.
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Kumar, L., Shankar Pandey, V., Parthasarathy, H. et al. Quantum-mechanical estimation of rectangular waveguide parameters with atomic entropy computation. Eur. Phys. J. Plus 132, 285 (2017). https://doi.org/10.1140/epjp/i2017-11558-9
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DOI: https://doi.org/10.1140/epjp/i2017-11558-9