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Related papers: Embedded metal cluster in strong laser fields

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Using molecular dynamics simulation, we investigate the slow dynamics of a supercooled binary mixture of soft particles interacting with a generalized Hertzian potential. At low density, it displays typical slow dynamics near its glass…

Soft Condensed Matter · Physics 2016-10-18 Ryoji Miyazaki , Takeshi Kawasaki , Kunimasa Miyazaki

Using a combined quantum mechanical/classical method, we study the dynamics of deposition of small Na clusters on Ar(001) surface. We work out basic mechanisms by systematic variation of substrate activity, impact energy, cluster…

Other Condensed Matter · Physics 2009-11-13 P. M. Dinh , F. Fehrer , P. -G. Reinhard , E. Suraud

Zhang and coworkers have recently reported results of experiments involving irradiation of argon clusters doped with bromofluorene chromophores by nanosecond-long pulses of 532 nm laser light. Multiply-charged ions of atomic argon (charge…

Atomic and Molecular Clusters · Physics 2020-10-19 Rajesh K Vatsa , Deepak Mathur

Understanding the substructure of atomic nuclei, particularly the clustering of nucleons inside them, is essential for comprehending nuclear dynamics. Various cluster configurations can emerge depending on excitation energy, the number and…

We present the first ab initio molecular dynamics study of collisions between metal-oxide clusters and surfaces. The resulting trajectories reveal that the internal degrees of freedom of the cluster play a defining role in collision…

Materials Science · Physics 2008-04-10 Daniel A. Freedman , T. A. Arias

QED cascades are complex avalanche processes of hard photon emission and electron-positron pair creation driven by ultra-strong electromagnetic fields. They play a fundamental role in astrophysical environments such as a pulsars'…

Plasma Physics · Physics 2017-07-25 Matteo Tamburini , Antonino Di Piazza , Christoph H. Keitel

The outskirts of galaxy clusters are characterised by the interplay of gas accretion and dynamical evolution involving turbulence, shocks, magnetic fields and diffuse radio emission. The density and velocity structure of the gas in the…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-29 Luigi Iapichino , Christoph Federrath , Ralf S. Klessen

We use cosmological, magneto-hydrodynamic simulations of galaxy clusters to quantify the dynamical importance of magnetic fields in these clusters. The set-up of initial magnetic field strengths at high redshifts is chosen such that…

Astrophysics · Physics 2009-11-06 Klaus Dolag , August Evrard , Matthias Bartelmann

Light-matter interactions are of fundamental scientific and technological interest. Ultrafast electron microscopy and diffraction with combined femtosecond-nanometer resolution elucidate the laser-induced dynamics in structurally…

Materials Science · Physics 2025-04-08 Till Domröse , Leonardo da Camara Silva , Claus Ropers

Radio galaxies play an important role in the seeding of cosmic rays and magnetic fields in galaxy clusters. Here, we simulate the evolution of relativistic electrons injected into the intracluster medium by radio galaxies. Using passive…

High Energy Astrophysical Phenomena · Physics 2021-09-15 F. Vazza , D. Wittor , G. Brunetti , M. Brüggen

Based on the earlier proposed mechanism of formation of solute-enriched clusters in irradiated pressure vessel steels, it has been demonstrated that it is possible to suppress this process by the method of light alloying of PVS with a…

Materials Science · Physics 2019-06-17 A. V. Subbotin , M. I. Gurevich , A. A. Kovalishin , P. A. Likhomanova

Radiation-induced embrittlement of nuclear steels is one of the main limiting factors for safe long-term operation of nuclear power plants. In support of accurate and safe reactor pressure vessel (RPV) lifetime assessments, we developed a…

Observations of galaxy clusters show that the intracluster medium (ICM) is likely to be turbulent and is certainly magnetized. The properties of this magnetized turbulence are determined both by fundamental nonlinear magnetohydrodynamic…

Astrophysics · Physics 2008-11-26 A. A. Schekochihin , S. C. Cowley

The past decade has seen an increase of star formation studies made at the molecular cloud scale, motivated mostly by the deployment of a wealth of sensitive infrared telescopes and instruments. Embedded clusters, long recognised as the…

Astrophysics of Galaxies · Physics 2018-02-07 Joana Ascenso

Using molecular dynamics simulations, with a realistic many-body embedded-atom potential, and a novel method to characterize local order, we study the structure of pure nickel during the rapid quench of the liquid and in the resulting…

Disordered Systems and Neural Networks · Physics 2016-08-15 Oscar Rodríguez de la Fuente , José M. Soler

Laser accelerated protons can be a complimentary source for treatment of oncological diseases to the existing hadron therapy facilities. We demonstrate how the protons, accelerated from near-critical density plasmas by laser pulses having…

We investigate the dissolution process of young embedded star clusters with different primordial mass segregation levels using fractal distributions by means of N-body simulations. We combine several star clusters in virial and subvirial…

Astrophysics of Galaxies · Physics 2021-09-29 R. Domínguez , J. P. Farias , M. Fellhauer , Ralf S. Klessen

In this paper, we review theoretical and experimental research on rare region effects at quantum phase transitions in disordered itinerant electron systems. After summarizing a few basic concepts about phase transitions in the presence of…

Strongly Correlated Electrons · Physics 2010-09-28 Thomas Vojta

An expansion of energy characteristics of wide thin slab of thickness L in power of 1/L is constructed using the free-electron approximation and the model of a potential well of finite depth. Accuracy of results in each order of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. V. Pogosov , V. P. Kurbatsky , E. V. Vasyutin

We discuss the structural properties and optical response of a small Na cluster inside rare gas (RG) matrices of Ne, Ar, or Kr atoms. The mixed systems are described with a hierarchical model, treating the cluster at a quantum mechanical…

Other Condensed Matter · Physics 2007-06-25 F. Fehrer , P. M. Dinh , P. -G. Reinhard , E. Suraud