English
Related papers

Related papers: Tracing transient charges in expanding clusters

200 papers

Using three-dimensional particle-in-cell simulations, we further investigate the electron and ion acceleration from femtosecond laser-plasma peeler scheme which was proposed in our recent paper (Shen et al 2021 Phys. Rev. X 11 041002). In…

Plasma Physics · Physics 2023-02-15 X. F. Shen , A. Pukhov , B. Qiao

Using the multi-channel Transient Current Technique the currents induced by electron-hole pairs, produced by a focussed sub-nanosecond laser of 660 nm wavelength close to the Si-SiO2 interface of p+n silicon strip sensors have been…

Instrumentation and Detectors · Physics 2015-06-15 Thomas Poehlsen , Julian Becker , Eckhart Fretwurst , Robert Klanner , Jörn Schwandt , Jiaguo Zhang

A comparative experimental study of pulsed laser ablation in vacuum of two binary semiconductors, zinc oxide and indium phosphide, has been performed using IR-and visible laser pulses with particular attention to cluster generation. Neutral…

Materials Science · Physics 2017-10-24 Alexander Bulgakov , Anton Evtushenko , Yuri Shukhov , Igor Ozerov , Wladimir Marine

The carrier emission efficiency of light emitting diodes is of fundamental importance for many technological applications, including the performance of GaN and other semiconductor photocathodes. We have measured the evolution of the emitted…

Materials Science · Physics 2017-01-04 Runze Li , Pengfei Zhu , Jie Chen , Jianming Cao , Peter M. Rentzepis , Jie Zhang

Collision of laser-driven subrelativistic high density ion flows provides a way to create extremely compressed ion conglomerates and study their properties. This paper presents a theoretical study of the electrodynamic implosion of ions…

Plasma Physics · Physics 2025-12-03 S. Yu. Guskov , Ph. Korneev , M. Murakami

Two exponents, $\delta$, for size distribution of $n$-atom clusters, $Y(n)\sim n^{-\delta}$, have been found in Au clusters sputtered from embedded Au nanoparticles under swift heavy ion irradiation. For small clusters, below 12.5 nm in…

Materials Science · Physics 2009-10-16 P. K. Kuiri , B. Joseph , H. P. Lenka , G. Sahu , J. Ghatak , D. Kanjilal , D. P. Mahapatra

We present theoretical studies of above threshold ionization (ATI) produced by spatially inhomogeneous fields. This kind of field appears as a result of the illumination of plasmonic nanostructures and metal nanoparticles with a short laser…

In galaxy clusters, the intracluster medium (ICM) is expected to host a diffuse, long-lived, and invisible population of "fossil" cosmic-ray electrons (CRe) with 1-100 MeV energies. These CRe, if re-accelerated by 100x in energy, can…

High Energy Astrophysical Phenomena · Physics 2023-05-24 Aaron Tran , Lorenzo Sironi , Francisco Ley , Ellen G. Zweibel , Mario A. Riquelme

The ultrafast and ultracold electron source, based on laser cooling and trapping of an atomic gas and its subsequent near-threshold photoionization, is capable of generating electron bunches with a high transverse brightness at energies of…

Cluster production is investigated in central collisions of Ca+Ca, Ni+Ni, 96Zr+96Zr, 96Ru+96Ru, Xe+CsI and Au+Au reactions at 0.4A GeV incident energy. We find that the multiplicity of clusters with charge Z > 2 grows quadratically with the…

Nuclear Experiment · Physics 2007-05-23 FOPI Collaboration , W. Reisdorf

Kinetic Boltzmann equations are used to model the ionization and expansion dynamics of xenon clusters irradiated with short intense VUV pulses. This unified model includes predominant interactions that contribute to the cluster dynamics…

Atomic and Molecular Clusters · Physics 2015-05-13 B. Ziaja , H. Wabnitz , F. Wang , E. Weckert , T. Moeller

We analyze the dynamics of up to $10^5$ electrons resulting from illuminating a Xenon cluster with 9093 atoms with intense laser pulses of different length and peak intensity. Interesting details of electron motion are identified which can…

Atomic and Molecular Clusters · Physics 2007-05-23 Ulf Saalmann , Jan M. Rost

A prototype laser ion source that could demonstrate the possibility of producing intense pulsed high charge state ion beams has been established with a commercial Nd:YAG laser (E max = 3 J, 1064 nm, 8-10 ns) to produce laser plasma for the…

Low-energy fusion of heavy ions is a fascinating coupling-assisted quantum tunnelling problem, whose understanding is crucial for advancing the synthesis of new elements and isotopes. Quantum dynamical coupled-channels calculations of…

Nuclear Theory · Physics 2025-07-02 Nicholas Thomson , Laura Moschini , Alexis Diaz-Torres

When plasmonic nanoparticles are coupled with semiconductors, highly energetic hot carriers can be extracted from the metal-semiconductor interface for various applications in light energy conversion. Hot charge-carrier extraction upon…

We study theoretically the photoelectron emission in noble gases using plasmonic enhanced near-fields. We demonstrate that these fields have a great potential to generate high energy electrons by direct mid-infrared laser pulses of the…

The consecutive transients (CT) method is a diagnostics approach combining experimental and computational techniques to probe the plasma parameters of Charge Breeder Electron Cyclotron Resonance Ion Sources (CB-ECRIS). The method is based…

Accelerator Physics · Physics 2023-10-18 Julien Angot , Olli Tarvainen , Hannu Koivisto , Miha Luntinen , Thomas Thuillier , Ville Toivanen

Rapid recent development in laser technology and methods learned from relativistic heavy ion physics led to new possibilities for fusion. Using a Hydrogen rich UDMA-TEGDMA polymer fusion target, laser irradiation ionizes the target. If we…

Carrier envelope phase (CEP) stabilized 5 fs and 22 fs pulses of intense 800 nm light are used to probe the strong-field ionization dynamics of multielectron entities, xenon and carbon disulfide. We compare ion yields obtained with and…

Atomic Physics · Physics 2015-06-12 D. Mathur , K. Dota , A. K. Dharmadhikari , J. A. Dharmadhikari

Data for inelastic processes due to hydrogen atom collisions with iron are needed for accurate modelling of the iron spectrum in late-type stars. Excitation and charge transfer in low-energy Fe+H collisions is studied theoretically using a…

Solar and Stellar Astrophysics · Physics 2018-05-09 P. S. Barklem