This title appears in the Scientific Report :
2010
Please use the identifier:
http://dx.doi.org/10.1103/PhysRevA.81.062714 in citations.
Please use the identifier: http://hdl.handle.net/2128/10775 in citations.
S-wave scattering of a polarizable atom by an absorbing nanowire
S-wave scattering of a polarizable atom by an absorbing nanowire
We study the scattering of a polarizable atom by a conducting cylindrical wire with incoming boundary conditions, that is, total absorption, near the surface of the wire. Based on the explicit expression given recently [C. Eberlein and R. Zietal, Phys. Rev. A75, 032516 (2007)] for the nonretarded at...
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Personal Name(s): | Fink, M |
---|---|
Naranjo, A. / Arnecke, F. / Eiglsperger, J. / Friedrich, H. / Madronero, J. / Raab, P. / Wirzba, A. | |
Contributing Institute: |
Theorie der starken Wechselwirkung; IKP-3 |
Published in: | Physical Review A Physical review / A, 81 81 (2010 2010) 6 6, S. 062714 062714 |
Imprint: |
College Park, Md.
APS
2010
2010-06-28 2010-06-01 |
Physical Description: |
8 |
DOI: |
10.1103/PhysRevA.81.062714 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physical Review A
6 |
Subject (ZB): | |
Link: |
Get full text OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/10775 in citations.
We study the scattering of a polarizable atom by a conducting cylindrical wire with incoming boundary conditions, that is, total absorption, near the surface of the wire. Based on the explicit expression given recently [C. Eberlein and R. Zietal, Phys. Rev. A75, 032516 (2007)] for the nonretarded atom-wire potential, we formulate a hierarchy of approximations that enables the numerical determination of this potential to any desired accuracy as economically as possible. We calculate the complex s-wave scattering length for the effectively two-dimensional atom-wire scattering problem. The scattering length a depends on the radius R of the wire and a characteristic length beta related to the polarizability of the atom via a simple scaling relation, a = R (a) over tilde(beta/R). The "scaled scattering length" (a) over tilde tends to unity in the thick-wire limit beta/R -> 0, and it grows almost proportional to 1/R in the opposite thin-wire limit. |