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2004 | 106 | 1 | 3-12
Article title

Dynamics of Argon Clusters in an Intense Laser Pulse: Bloch-Like Hydrodynamic Model

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EN
Abstracts
EN
The dynamics of small (<55 atoms) argon clusters ionized by an intense, infrared, femtosecond laser pulse is studied using a Bloch-like hydrodynamic model. Evolution of both free electrons and ions formed in the cluster explosion process is examined. Oscillations of the electron cloud in a rare-gas atomic cluster are described as a motion of a fluid obeying Bloch-like hydrodynamic equations. Our theoretical approach includes all possible ionization mechanisms: tunnel (or field) ionization both by an external laser field, and by an internal field due to the space-charge distribution inside the cluster, as well as electron-impact (or collisional) ionization. The results of our simulations are compared both with experimental findings and with predictions of other theoretical models.
Keywords
Year
Volume
106
Issue
1
Pages
3-12
Physical description
Dates
published
2004-07
received
2004-05-07
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv106n105kz
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