Radiation from a uniformly accelerating harmonic oscillator

Abstract

We consider a radiation from a uniformly accelerating harmonic oscillator whose minimal coupling to the scalar field changes suddenly. The exact time evolutions of the quantum operators are given in terms of a classical solution of a forced harmonic oscillator. After the jumping of the coupling constant there occurs a fast absorption of energy into the oscillator, and then a slow emission follows. Here the absorbed energy is independent of the acceleration and proportional to the log of a high momentum cutoff of the field. The emitted energy depends on the acceleration and also proportional to the log of the cutoff. Especially, if the coupling is comparable to the natural frequency of the detector ($e^2/(4m)\sim {\omega }_0$) enormous energies are radiated away from the oscillator.

26 pages, 1 eps figure, RevTeX, minor correction in grammar, add a discussion

References in corpus (5)

• On Evolution Laws Taking Pure States to Mixed States in Quantum Field Theory
• Stochastic Theory of Accelerated Detectors in a Quantum Field
• Decoherence, Re-coherence, and the Black Hole Information Paradox
• On the Problem of the Uniformly Accelerated Oscillator
• Heisenberg-picture approach to the exact quantum motion of a time-dependent forced harmonic oscillator

Cited by in corpus (8)

• Einstein-Podolsky-Rosen correlations between two uniformly accelerated oscillators
• Information travels in massless fields in 1+1 dimensions where energy cannot
• Quantum field and uniformly accelerated oscillator
• Fluctuation-dissipation in accelerated frames
• Conformal Vacuum and Fluctuation-Dissipation in de-Sitter Universe and Black Hole Spacetimes
• Fluctuation-Dissipation relation from anomalous stress tensor and Hawking effect
• Chain-mapping methods for relativistic light-matter interactions
• Quantum harmonic oscillators and thermalization