QUANTUM CONFINED INTENSE LIGHT LABORATORY

 

Institute of Applied Physics of RAS

QED Cascades

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Aim: search and study of such configurations of the electromagnetic field, in which due to the strong localization of the energy of pulsed radiation in space and in time, intensities can be achieved that are sufficient to observe the nonlinear properties of the vacuum (for example, generation of electron-positron pairs) at the required energy the level of existing or planned to build laser systems in the near future. Generation of electron-positron pairs requires taking into account quantum-electrodynamic (QED) effects, and the process of generating pairs as a cascade (similarly to gas breakdown) can be started at field intensities that are noticeably lower than the Schwinger field. One of the most promising opportunities considered in modern studies is the use of sharp focusing of radiation in the form of an inverted dipole wave.

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