Keldysh photoionization theory: through the barriers

A.M. Zheltikov^{a, b, c, d}
^aLomonosov Moscow State University, Vorobevy Gory, Moscow, 119991, Russian Federation
^bTexas A&M University, College Station, Texas, USA
^cInternational Center for Quantum Optics and Quantum Technologies (the Russian Quantum Center), Skolkovo Innovation Center, Bolshoi Boulevard, Building 30, Block 1, 3rd floor, sectors G3, G7, Moscow, Moscow Region, 121205, Russian Federation
^dNational Research Centre ‘Kurchatov Institute’, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation

Keldysh photoionization theory is a conceptual cornerstone and a universal framework for the description of a broad class of fundamental effects in light—matter interaction. Here, we provide an overview of the Keldysh theory as a significant milestone in the development of modern optical physics and offer a historical perspective on the fundamental role of this theory, from the early, pioneering work on quantum tunneling to the latest breakthroughs in laser optics, attosecond technologies, and ultrafast optics of high-intensity laser pulses.

Keywords: Keldysh theory of photoionization, light—matter interaction, ultrafast optics
PACS: 32.80.−t, 42.50.−p, 42.65.−k, 78.20.−e (all)
DOI: 10.3367/UFNe.2017.08.038198
URL: https://ufn.ru/en/articles/2017/11/c/
Web of Science

000424395100003
Scopus

2-s2.0-85042165963
ADS NASA

2017PhyU...60.1087Z
Citation: Zheltikov A M "Keldysh photoionization theory: through the barriers" Phys. Usp. 60 1087–1120 (2017)

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Received: 15th, June 2017, revised: 8th, August 2017, accepted: 16th, August 2017

Оригинал: Жёлтиков А М «Теория фотоионизации Келдыша: через барьеры» УФН 187 1169–1204 (2017); DOI: 10.3367/UFNr.2017.08.038198