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Record |
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Author |
Ferreira, W.P.; Matulis, A.; Farias, G.A.; Peeters, F.M. |
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Title |
Structure and correlations in two-dimensional classical artificial atoms confined by a Coulomb potential |
Type |
A1 Journal article |
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Year  |
2003 |
Publication |
Physical review : E : statistical, nonlinear, and soft matter physics |
Abbreviated Journal |
Phys Rev E |
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Volume |
67 |
Issue |
4Part 2 |
Pages |
046601-46608 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
The ordering of N equally charged particles (-e) moving in two dimensions and confined by a Coulomb potential, resulting from a displaced positive charge Ze is discussed. This is a classical model system for atoms. We obtain the configurations of charged particles which, depending on the value of N and Z, may result in ring structures, hexagonal-type configurations, and for N/Z approximate to 1 in an inner structure of particles which is separated by an outer ring of particles. For N/Z << 1, the Hamiltonian of the parabolic confinement case is recovered. For N/Z approximate to 1, the configurations are very different from those found in the case of a parabolic confinement potential. A hydrodynamic analysis is presented in order to highlight the correlations effects. |
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Publisher |
American Institute of Physics |
Place of Publication |
Woodbury (NY) |
Editor |
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Wos |
000182825400087 |
Publication Date |
2003-04-03 |
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Edition |
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ISSN |
1063-651X;1095-3787; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
2.366 |
Times cited |
14 |
Open Access |
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Notes |
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Approved |
Most recent IF: 2.366; 2003 IF: 2.202 |
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Call Number |
UA @ lucian @ c:irua:104123 |
Serial |
3273 |
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| Permanent link to this record |
