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We present a theory for describing the inner structure of the electron bunch in the bubble regime starting from a random distribution of electrons inside the bubble and subsequently minimizing the system's energy. Consequently, we find a…

等离子体物理 · 物理学 2020-07-08 Lars Reichwein , Johannes Thomas , Alexander Pukhov

The general description of formation the cellular structure in the system of interacting particles is proposed. Interactions between particles are presumably well-understood and the phase transition in which can be studied in the scale of…

统计力学 · 物理学 2008-02-22 Bohdan Lev

In this work, a shell model for metal clusters up to 220 valence electrons is used to obtain the fractional occupation probabilities of the electronic orbitals. Then, the calculation of a statistical measure of complexity and the…

原子与分子团簇 · 物理学 2010-02-05 Jaime Sanudo , Ricardo Lopez-Ruiz

The Ionization Potentials of small Li_N clusters are calculated with a Shell Correction Method. They are used to illustrate that, within the jellium approximation, deformed cluster shapes provide an adequate description of the observed…

原子与分子团簇 · 物理学 2009-10-31 Constantine Yannouleas , Uzi Landman

Large-scale shell-model calculations have been performed to study the nuclear structure properties of Hg isotopes with mass varying from $A=193$ to $A=200$. The shell-model calculations are carried out in the 50 $\leq Z \leq$ 82 and 82 $…

核理论 · 物理学 2024-12-24 Subhrajit Sahoo , Praveen C. Srivastava , Noritaka Shimizu , Yutaka Utsuno

Field-induced assembly of colloidal particles into structures of desired configurations is extremely relevant from the viewpoint of producing field-assembled micro-swimmers and reconfigurable smart materials. However, the behaviour of…

软凝聚态物质 · 物理学 2024-10-23 Indira Barros , Sayanth Ramachandran , Indrani Chakraborty

Motivated by the buckling of glassy crusts formed on evaporating droplets of polymer and colloid solutions, we numerically model the deformation and buckling of spherical elastic caps controlled by varying the volume between the shell and…

材料科学 · 物理学 2009-11-11 D. A. Head

Entangled polymers are deformed by a strong shear flow. The shape of the polymer, called the form factor, is measured by small angle neutron scattering. However, the real-space molecular structure is not directly available from the…

This study theoretically considers the motion of N identical inelastic particles between two oscillating walls. The particles' average energy increases abruptly at certain critical filling fractions, wherein the system changes into a…

数据分析、统计与概率 · 物理学 2011-01-31 Fei Fang Chung , Sy-Sang Liaw , Wei Chun Chang

Numerical simulations based on electronic structure calculations are finding ever growing applications in many areas of physics. A major limiting factor is however the cubic scaling of the algorithms used. Building on previous work [F. R.…

材料科学 · 物理学 2009-11-11 Florian R. Krajewski , Michele Parrinello

Electromagnetic transitions from deformed structures based on $\alpha$ configurations or on heavier clusters are discussed, drawing the link between multiparticle-multihole excited bands and cluster structures. Enhanced E2 and E1…

核实验 · 物理学 2015-06-15 S. Courtin , A. Goasduff , F. Haas

In the present paper we consider the nonlinear interaction of high frequency intense electromagnetic (EM) beam with degenerate electron plasmas. In a slowly varying envelop approximation the beam dynamics is described by the couple of…

等离子体物理 · 物理学 2021-05-19 V. I. Berezhiani , Z. N. Osmanov , S. M. Mahajan , S. V. Mikeladze

Electron localization property of a random chain changing under the influence of a constant electric field has been studied. We have adopted the multifractal scaling formalism to explore the possible localization behavior in the system. We…

无序系统与神经网络 · 物理学 2009-10-31 Parthapratim Biswas , Prabhat K Thakur

We analyze the obtained solutions of the non-linear Shroedinger equation for spherically and axially symmetrical electrons density oscillations in plasma. The conditions of the oscillations process existence are examined. It is shown that…

等离子体物理 · 物理学 2009-07-31 Maxim Dvornikov , Sergey Dvornikov

An electron beam traversing a structured plasmonic field is shown to undergo diffraction with characteristic angular patterns of both elastic and inelastic outgoing electron components. In particular, a plasmonic {\it grating} (e.g., a…

介观与纳米尺度物理 · 物理学 2016-07-20 F. Javier Garcia de Abajo , Brett Barwick , Fabrizio Carbone

Noise driven electroconvection in sandwich cells of nematic liquid crystals exhibits on-off intermittent behaviour at the onset of the instability. We study laser scattering of convection rolls to characterize the wavelengths and the…

统计力学 · 物理学 2009-11-07 Th. John , U. Behn , R. Stannarius

We study the structural and electronic properties of phase III of solid hydrogen using accurate many-electron theories and compare to state-of-the-art experimental findings. The atomic structures of phase III modelled by C2/c-24 crystals…

材料科学 · 物理学 2021-02-24 Ke Liao , Tong Shen , Xin-Zheng Li , Ali Alavi , Andreas Grüneis

In this paper an effective integrable non-linear model describing the electron spin dynamics in a deformable helical molecule with weak spin-orbit coupling is presented. Non-linearity arises from the electron-lattice interaction and it…

可精确求解与可积系统 · 物理学 2018-02-14 P. Albares , E. Diaz , J. M. Cervero , F. Dominguez-Adame , E. Diez , P. G. Estevez

We explore the electrostatic bending response of a chain of charged particles confined on a finite helical filament. We analyze how the energy difference $\Delta E$ between the bent and the unbent helical chain scales with the length of the…

软凝聚态物质 · 物理学 2018-04-25 A. V. Zampetaki , J. Stockhofe , P. Schmelcher

We present a novel, self-consistent and robust theoretical model to investigate elastic interactions between topological defects in liquid crystal shells. Accounting for the non-concentric nature of the shell in a simple manner, we are able…

软凝聚态物质 · 物理学 2016-12-14 Alexandre Darmon , Olivier Dauchot , Teresa Lopez-Leon , Michael Benzaquen