Zobrazeno 1 - 10 of 24 pro vyhledávání: '"Shigeru Shindo"'
4
Classical theory of the dielectric function for an inhomogeneous electron gas
Autor: Mitsuo Kitagawa, Shigeru Shindo, H. Nitta
Publikováno v: Surface Science. 286:346-354
We develop a classical electrodynamical theory of the dielectric function for an inhomogeneous electron gas. The dielectric function in the high-frequency approximation (HFA) derived by Kitagawa is obtained in a simple manner. It is shown that, in an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03db6d06f98449e169df5d7bd6bba7b9
https://doi.org/10.1016/0039-6028(93)90418-j
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5
Calculation of emergence angle dependent energy loss of fast ions in solids
Autor: Shigeru Shindo
Publikováno v: Radiation Effects and Defects in Solids. 117:205-211
We calculate the emergence angle dependent energy loss of high energy ions, using the transport theory developed by Jakas et al. and by Yamashita. We developed the theory of impact parameter dependent stopping power taking into account the Barkas eff
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9aeed803d6fea4dc1aa82bc3ed51b4af
https://doi.org/10.1080/10420159108220614
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6
Asymmetry of self-energies of electrons and positrons in solids
Autor: Shigeru Shindo
Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 48:14-17
We calculate the self-energies of positrons and electrons in solids. Our calculation shows that the imaginary part of the self-energy of positrons is much enhanced in comparison with that of electrons, which explains the recent experiments. The diffe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d092a8b713a1f308a0d508a92af40059
https://doi.org/10.1016/0168-583x(90)90062-y
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8
Surface electronic structure determination by positronium formation spectroscopy
Autor: Akira Ishii, Shigeru Shindo
Publikováno v: Surface Science Letters. 242:A45-A46
Positronium formation spectroscopy is discussed theoretically and a comparison is given with experiments on the glancing-angle surface scattering of positrons. The theoretical calculation of the positronium angular distribution agrees with the experi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54a0b4b366d9832bb26faa432269cf55
https://doi.org/10.1016/0167-2584(91)90457-3
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9
Quantum theory of charge exchange scattering of atoms at solid surfaces
Autor: Ryoichi Kawai, Shigeru Shindo
Publikováno v: Surface Science. 165:477-487
Numerical calculations of charge exchange scattering are done on the basis of the semiclassical Anderson-Newns hamiltonian. The validity of the various approximation theories is examined in the limit of the semiclassical theory. Moreover the quantum
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecf1df4af3aaeaaf8b0669b0f58d4c41
https://doi.org/10.1016/0039-6028(86)90821-6
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10
Quantum theory of positronium formation at surfaces
Autor: Shigeru Shindo, Akira Ishii
Publikováno v: Physical Review B. 35:8360-8367
A quantum-mechanical theory of positronium formation at surfaces is presented. The neutralization probability of positrons implanted into solids escaping from a surface is calculated. The theory of the resonant neutralization of ions at a surface is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac273ffd161ab7e2e6e2a63911205a8c
https://doi.org/10.1103/physrevb.35.8360
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