On the limitations of the semi-classical picture in high harmonic generation

Fuente: arXiv
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Main Author: Stammer, Philipp
Format: Preprint
Published: 2023
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author Stammer, Philipp
author_facet Stammer, Philipp
contents The recent progress in the quantum optical formulation of the process of high harmonic generation has reached a point where the successful semi-classical model shows its limitations. So far the light source which drives the process was considered to be provided by a laser, in agreement with the classical picture. However, quantum optics allows to consider light fields beyond the classical realm, such as bright squeezed vacuum of photon number states. Both field states have vanishing mean electric field amplitudes, but can still lead to the generation of high harmonic radiation for sufficiently high intensities. This poses new questions about the range of validity of the semi-classical picture, and allows to extend the domain of questions which could possibly be asked.
format Preprint
id arxiv_https___arxiv_org_abs_2308_15087
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle On the limitations of the semi-classical picture in high harmonic generation
Stammer, Philipp
Quantum Physics
Atomic Physics
The recent progress in the quantum optical formulation of the process of high harmonic generation has reached a point where the successful semi-classical model shows its limitations. So far the light source which drives the process was considered to be provided by a laser, in agreement with the classical picture. However, quantum optics allows to consider light fields beyond the classical realm, such as bright squeezed vacuum of photon number states. Both field states have vanishing mean electric field amplitudes, but can still lead to the generation of high harmonic radiation for sufficiently high intensities. This poses new questions about the range of validity of the semi-classical picture, and allows to extend the domain of questions which could possibly be asked.
title On the limitations of the semi-classical picture in high harmonic generation
topic Quantum Physics
Atomic Physics
url https://arxiv.org/abs/2308.15087