Coulomb explosion of a cluster irradiated by a high intensity 
laser pulse

Esirkepov, T. Zh.; Bingham, R.; Bulanov, S. V.; Honda, Tetsuya; Nishihara, Katsunobu; Пегораро, Ф.

doi:10.1017/s0263034600183211

Cited by 22 publications

(14 citation statements)

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“…Theoretical studies have proven useful and capable of elucidating many aspects of the laser-cluster interaction. A wide variety of models, spatially averaged, 4 one-dimensional fluid models, 5,6 particle-in-cell codes, [7][8][9][10][11][12][13][14][15][16][17][18] and Monte Carlo simulations 19 have been developed and applied to a variety of cluster attributes. Particle simulation models, especially three-dimensional ͑3D͒, turned out to be particularly insightful.…”

Section: Introductionmentioning

confidence: 99%

Impact of the laser wavelength on the dynamics of Xe cluster plasma produced by an intense ultrashort laser pulse

Petrov

Davis

2006

Physics of Plasmas

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The dynamics of Xe clusters irradiated by a high intensity subpicosecond laser pulse is investigated through a relativistic time-dependent three-dimensional particle simulation model. In order to explore the effect of transition from underdense to overdense plasma, we performed calculations for laser wavelengths between 100 and 800 nm. The ionization of clusters and charge accumulation was found to be independent of the laser wavelength, while the removal rate of electrons from the cluster into the intercluster space, mean electron and ion energies, and energy absorption increase with the wavelength.

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Section: Introductionmentioning

confidence: 99%

Impact of the laser wavelength on the dynamics of Xe cluster plasma produced by an intense ultrashort laser pulse

Petrov

Davis

2006

Physics of Plasmas

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“…It is worth noting that the electron Debye length of this system, , is ~0.1 nm at solid density in a plasma with T e < 100 eV. This is smaller than both the thickness of our foam ligaments, as well as the interatomic distances at solid density, , which means that the dynamics result from cold ions at solid density rapidly expanding into vacuum 26,27 , rather than being driven via Coulomb explosion 17,28 . Further, in a Coulomb explosion, ions and electrons are completely separated, and the notion of a plasma does not apply.…”

Section: Resultsmentioning

confidence: 84%

Generating keV ion distributions for nuclear reactions at near solid-density using intense short-pulse lasers

et al. 2019

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Our understanding of a large range of astrophysical phenomena depends on a precise knowledge of charged particle nuclear reactions that occur at very low rates, which are difficult to measure under relevant plasma conditions. Here, we describe a method for generating dense plasmas at effective ion temperatures >20 keV, sufficient to induce measurable charged particle nuclear reactions. Our approach uses ultra-intense lasers to drive micron-sized, encapsulated nanofoam targets. Energetic electrons generated in the intense laser interaction pass through the foam, inducing a rapid expansion of the foam ions; this results in a hot, near-solid density plasma. We present the laser and target conditions necessary to achieve these conditions and illustrate the system performance using three-dimensional particle-in-cell simulations, outline potential applications and calculate expected nuclear reaction rates in the D(d,n) and 12C(p,γ) systems assuming CD, or CH aerogel foams.

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“…These articles found that differences in cluster density, cluster diameter, laser amplitude, or electric field gradient have a significant impact on the expansion of the cluster. For high-power laser pulses, depending on the aforementioned cluster parameters, the laser field either causes electrons to be driven back into the cluster during each laser cycle leading to resonant heating and efficient laser pulse absorption [18][19][20][21] or causes a Coulomb explosion through removing a great majority of electrons from the ion cluster [22,23]. The optical properties within the plasma can be changed by electrons bound to a cluster structure.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear wakefields and electron injection in cluster plasma

Mayr

Spiers

Aboushelbaya

et al. 2020

Phys. Rev. Accel. Beams

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Laser and beam driven wakefields promise orders of magnitude increases in electric field gradients for particle accelerators for future applications. Key areas to explore include the emittance properties of the generated beams and overcoming the dephasing limit in the plasma. In this paper, the first in-depth study of the self-injection mechanism into wakefield structures from nonhomogeneous cluster plasmas is provided using high-resolution two dimensional particle-in-cell simulations. The clusters which are typical structures caused by ejection of gases from a high-pressure gas jet have a diameter much smaller than the laser wavelength. Conclusive evidence is provided for the underlying mechanism that leads to particle trapping, comparing uniform and cluster plasma cases. The accelerated electron beam properties are found to be tunable by changing the cluster parameters. The mechanism explains enhanced beam charge paired with large transverse momentum and energy which has implications for the betatron x-ray flux. Finally, the impact of clusters on the high-power laser propagation behavior is discussed.

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Coulomb explosion of a cluster irradiated by a high intensity laser pulse

Cited by 22 publications

References 0 publications

Impact of the laser wavelength on the dynamics of Xe cluster plasma produced by an intense ultrashort laser pulse

Impact of the laser wavelength on the dynamics of Xe cluster plasma produced by an intense ultrashort laser pulse

Generating keV ion distributions for nuclear reactions at near solid-density using intense short-pulse lasers

Nonlinear wakefields and electron injection in cluster plasma

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