期刊
PARTICLES
卷 3, 期 1, 页码 39-61出版社
MDPI
DOI: 10.3390/particles3010005
关键词
external-field QED; quantum vacuum nonlinearity; all-optical signatures
资金
- Deutsche Forschungsgemeinschaft (DFG) [416607684, FOR2783/1]
These notes provide a pedagogical introduction to the theoretical study of vacuum polarization effects in strong electromagnetic fields as provided by state-of-the-art high-intensity lasers. Quantum vacuum fluctuations give rise to effective couplings between electromagnetic fields, thereby supplementing Maxwell's linear theory of classical electrodynamics with nonlinearities. Resorting to a simplified laser pulse model, allowing for explicit analytical insights, we demonstrate how to efficiently analyze all-optical signatures of these effective interactions in high-intensity laser experiments. Moreover, we highlight several key features relevant for the accurate planning and quantitative theoretical analysis of quantum vacuum nonlinearities in the collision of high-intensity laser pulses.
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