# The Frequency Fluctuation Model for the van der Waals Broadening

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## Abstract

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## 1. Introduction

## 2. Description of the Method

## 3. The Results of Numerical Calculations

## 4. Conclusions

## Author Contributions

## Funding

## Institutional Review Board Statement

## Informed Consent Statement

## Conflicts of Interest

## Abbreviations

FFM | Frequency Fluctuation Model |

MD | Molecular Dynamics |

CT | Chen and Takeo |

## References

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**Figure 1.**The normalized intensity profile of one spectral component as the function of the reduced energy shift. Comparison of the FFM profile with the Chen and Takeo theory; $\nu =1.5$.

**Figure 2.**The normalized intensity profile of one spectral component as the function of the reduced energy shift. Comparison of the FFM profile with the impact theory; $\nu =100$.

**Figure 3.**The normalized intensity profile of one spectral component as the function of the reduced energy shift. Comparison of the FFM profile with the impact theory; $\nu =1200$.

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**MDPI and ACS Style**

Letunov, A.; Lisitsa, V.; Astapenko, V. The Frequency Fluctuation Model for the van der Waals Broadening. *Foundations* **2021**, *1*, 200-207.
https://doi.org/10.3390/foundations1020015

**AMA Style**

Letunov A, Lisitsa V, Astapenko V. The Frequency Fluctuation Model for the van der Waals Broadening. *Foundations*. 2021; 1(2):200-207.
https://doi.org/10.3390/foundations1020015

**Chicago/Turabian Style**

Letunov, Andrei, Valery Lisitsa, and Valery Astapenko. 2021. "The Frequency Fluctuation Model for the van der Waals Broadening" *Foundations* 1, no. 2: 200-207.
https://doi.org/10.3390/foundations1020015