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A deeper insight into electron elastic scattering off endohedral fullerenes $A$@C$_{60}$ is provided. The study accounts for polarization of both the encapsulated atom $A$ and C$_{60}$ cage by an incident electron. It is carried out in the…

Atomic Physics · Physics 2016-09-27 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

The present paper explores possible features of electron elastic scattering off endohedral fullerenes $A$@C$_{60}$. It focuses on how dynamical polarization of the encapsulated atom $A$ by an incident electron might alter scattering off…

Atomic Physics · Physics 2015-11-03 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

Electron elastic-scattering phase shifts and cross sections along with the differential and total cross sections and polarization of low-frequency bremsstrahlung upon low-energy electron collision with endohedral fullerenes $A$@C$_{60}$ are…

Atomic Physics · Physics 2015-02-26 V. K. Dolmatov , C. Bayens , M. B. Cooper , M. E. Hunter

We prove in the present paper that a simple modeling of a complicated highly polarizable C$_{60}$ target by a rectangular (in a radial coordinate) square well potential in combination with the static polarization potential provides a viable…

Atomic Physics · Physics 2019-05-22 M. Ya. Amusia , L. V. Chernysheva , V. K. Dolmatov

We investigate positron scattering upon endohedrals and compare it with electron-endohedral scattering. We show that the polarization of the fullerene shell considerably alters the polarization potential of an atom, stuffed inside a…

Atomic Physics · Physics 2017-08-02 M. Ya. Amusia , L. V. Chernysheva

We concentrate here on photon absorption as well as electron and positron scattering upon endohedrals that consist of a fullerenes shell and an inner atom A. The aim is to understand the effect of fullerene electron shell in formation of…

Atomic and Molecular Clusters · Physics 2018-02-12 M. Ya. Amusia , A. F. Ioffe

In this paper we calculate the elastic scattering cross sections of slow electron by carbon nanotubes. The corresponding electron-nanotube interaction is substituted by a zero-thickness cylindrical potential that neglects the atomic…

Mesoscale and Nanoscale Physics · Physics 2022-02-23 M. Ya. Amusia , A. S. Baltenkov

We investigate here the fast electron scattering upon endohedral atoms that present a fullerene CN staffed by an atom A, A@CN. We calculate the inelastic scattering cross-section expressing it via generalized oscillator strengths (GOS)…

Atomic and Molecular Clusters · Physics 2012-03-06 M. Ya. Amusia , L. V. Chernysheva , E. Z. Liverts

We discuss the temporal picture of electron collisions with fullerene. Within the framework of a Dirac bubble potential model for the fullerene shell, we calculate the time delay in slow-electron elastic scattering by it. It appeared that…

Atomic and Molecular Clusters · Physics 2019-06-18 M. Ya. Amusia , A. S. Baltenkov

Electron elastic scattering off a spin-polarized Cr(...$3d^{5}4s^{1}$, $^{7}S$) atom is theoretically studied in the region of electron energies up to $15$ eV using both a one-electron "spin-polarized" Hartree-Fock and multielectron…

Atomic Physics · Physics 2015-06-22 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

We have studied the energy dependence of several first scattering phases with multi-atomic object. As concrete examples representing the general trends endohedrals Neon inside C60 and Argon inside C60 are considered. It appeared that the…

Atomic and Molecular Clusters · Physics 2015-02-20 M. Ya. Amusia , L. V. Chernysheva

Helium nanodroplets are ideal model systems to unravel the complex interaction of condensed matter with ionizing radiation. Here we study the effect of purely elastic electron scattering on angular and energy distributions of photoelectrons…

The results of a joint experimental and theoretical investigation of the C60 collective excitations in the process of inelastic scattering of electrons are presented. The shape of the electron energy loss spectrum is observed to vary when…

Atomic and Molecular Clusters · Physics 2016-10-07 Alexey V. Verkhovtsev , Andrei V. Korol , Andrey V. Solov'yov , Paola Bolognesi , Alessandro Ruocco , Lorenzo Avaldi

In two recent papers (Phys. Rev. Lett. {\bf 116} (2016) 033201; Phys. Rev. A {\bf 94} (2016) 032331), the possibility of continuously varying the degree of entanglement between an elastically scattered electron and the valence electron of…

Atomic Physics · Physics 2017-04-26 K. Bartschat , S. Fonseca dos Santos

The Fraunhofer diffraction of quantum particles from materials with sharp electron-density edges or symmetric bond structures is ubiquitous. In contrast, diffraction from atoms with characteristic asymptotically-diffused electron…

Within the framework of a Dirac bubble potential model for the C60 fullerene shell, we calculated the time delay in slow-electron elastic scattering by C60. It appeared that the time of transmission of an electron wave packet through the…

Atomic and Molecular Clusters · Physics 2018-12-26 M. Ya. Amusia , A. S. Baltenkov

The polarization properties of the elastic electron scattering on H-like ions are investigated within the framework of the relativistic QED theory. The polarization properties are determined by a combination of relativistic effects and spin…

Atomic Physics · Physics 2021-11-24 D. M. Vasileva , K. N. Lyashchenko , A. B. Voitkiv , D. Yu , O. Yu. Andreev

The impacts of both exchange interaction and electron correlation, as well as their combined impact, on electron elastic scattering off a semifilled shell Mn(...$3d^{5}$$4s^{2}$, $^{6}S$) atom are theoretically studied in the electron…

Atomic Physics · Physics 2013-08-15 V. K. Dolmatov , M. Ya. Amusia , L. V. Chernysheva

We have demonstrated that the polarization of the fullerene shell considerably alters the polarization potential of an atom, stuffed inside a fullerene. This essentially affects the electron elastic scattering phases as well as…

Atomic and Molecular Clusters · Physics 2016-06-22 M. Ya. Amusia , L. V. Chernysheva

Within the framework of a Dirac bubble potential model for the C60 fullerene shell we investigated the angular time delay in slow-electron elastic scattering by C60 as well as average time delay of electrons in this process. It is…

Atomic Physics · Physics 2021-03-16 M. Ya. Amusia , A. S. Baltenkov , I. Woiciechowski
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