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- Title
Quantum Cherenkov radiation at the relative sliding of two transparent plates.
- Authors
Volokitin, A.; Persson, B.
- Abstract
Quantum Cherenkov radiation and quantum friction at the relative sliding of two transparent plates with the refractive index n have been studied in a fully relativistic theory. Radiation appears at velocities above the threshold value, v > v = 2 nc/( n + 1). The contribution from s-polarized electromagnetic waves dominates near the threshold velocity. However, in the ultrarelativistic case ( v → c), contributions from both polarizations are much larger than those in a nonrelativistic theory and a new contribution from the mixing of waves with different polarizations appears. The numerical results are supplemented by analytical calculations near the threshold velocity and the speed of light.
- Subjects
CHERENKOV radiation; REFRACTIVE index; RELATIVISTIC theorems (Relativity); ELECTROMAGNETIC waves; RELATIVISTIC electrons; SPEED of light
- Publication
JETP Letters, 2016, Vol 103, Issue 4, p223
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364016040159