Zobrazeno 1 - 10
of 60
pro vyhledávání: '"E Bonderup"'
Autor:
E. Bonderup, Jens Ulrik Andersen
Publikováno v:
Andersen, J U & Bonderup, E 2000, ' Local field corrections for light absorption by fullerenes ', The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, vol. 11, pp. 435 .
With the aim of analysing measurements of absorption of electromagnetic radiation by fullerene molecules in the gas phase, in liquid solution, and in solid films, we consider the classical problem of correction for enhancement of the local field due
Publikováno v:
Quantum and Semiclassical Optics: Journal of the European Optical Society Part B. 9:419-442
We present quantum mechanical and classical calculations for the scattering of atoms by an azimuthally symmetric evanescent field around an optical fibre. For the mode studied, the electric field points in the azimuthal direction. In atoms with degen
Autor:
Klavs Hansen, Shigeo Tomita, Olof Echt, Jimmy Rangama, Jens Ulrik Andersen, Ulrik Pedersen, Preben Hvelplund, Bo Liu, E. Bonderup, S. Brøndsted Nielsen
Publikováno v:
Physical Review Letters. 94
We have measured the near-infrared absorption spectrum for isolated ${\mathrm{C}}_{60}^{\ensuremath{-}}$ ions at room temperature. Two bands, at $9145\text{ }\text{ }{\mathrm{c}\mathrm{m}}^{\ensuremath{-}1}$ and $10460\text{ }\text{ }{\mathrm{c}\math
Dynamic Jahn-Teller effects in isolated C60- studied by near-infrared spectroscopy in a storage ring
Autor:
S, Tomita, J U, Andersen, E, Bonderup, P, Hvelplund, B, Liu, S Brøndsted, Nielsen, U V, Pedersen, J, Rangama, K, Hansen, O, Echt
Publikováno v:
Physical review letters. 94(5)
We have measured the near-infrared absorption spectrum for isolated C60- ions at room temperature. Two bands, at 9145 cm(-1) and 10460 cm(-1), have been identified in addition to the main absorption band at 9382 cm(-1), seen also at low temperature i
Autor:
Jens Ulrik Andersen, Ulrik Pedersen, Preben Hvelplund, E. Bonderup, Klavs Hansen, Shigeo Tomita, Bo Liu
Publikováno v:
Andersen, J U, Bonderup, E, Hansen, K, Hvelplund, P, Liu, B, Pedersen, U V & Tomita, S 2003, ' Temperature concepts for small, isolated systems: 1/t decay and radiative cooling ', The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, vol. 24, pp. 191 .
We report on progress in our investigations of cluster cooling. The analysis of measurements is based on introduction of the microcanonical temperature and a statistical description of the decay of an ensemble with a broad distribution in temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bd7e6f6b8e3a8dce0bbc21530490123
https://pure.au.dk/portal/da/publications/temperature-concepts-for-small-isolated-systems-1t-decay-and-radiative-cooling(6070e470-9cb0-11db-bee9-02004c4f4f50).html
https://pure.au.dk/portal/da/publications/temperature-concepts-for-small-isolated-systems-1t-decay-and-radiative-cooling(6070e470-9cb0-11db-bee9-02004c4f4f50).html
Publikováno v:
Andersen, J U, Bonderup, E & Hansen, K 2001, ' On the concept of temperature for a small isolated system ', Journal of Chemical Physics, vol. 114, pp. 6518 .
The microcanonical temperature is shown to be a useful concept in calculations of the decay of a small isolated system with well defined energy. A simpler and more transparent description is obtained than in Klots’ formulation of finite-heat-bath t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7cdb18125a1e9cbfcbe28887c8d7d88
https://pure.au.dk/portal/da/publications/on-the-concept-of-temperature-for-a-small-isolated-system(ead5ff80-89e9-11db-bee9-02004c4f4f50).html
https://pure.au.dk/portal/da/publications/on-the-concept-of-temperature-for-a-small-isolated-system(ead5ff80-89e9-11db-bee9-02004c4f4f50).html
Autor:
E Bonderup
Publikováno v:
European Journal of Physics. 13:219-221
In the description of multielectron atoms, the Hartree treatment provides one-electron wavefunctions satisfying one-electron Schrodinger equations. It is a common mistake in textbooks to regard the sum of the corresponding one-particle Hamiltonians a
Autor:
Jens Ulrik Andersen, E. Bonderup
Publikováno v:
Andersen, J U & Bonderup, E 2000, ' Classical dielectric models of fullerenes and estimation of heat radiation ', The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, bind 11 .
With the aim of describing the cooling of highly excited fullerene molecules by heat radiation, we consider simple classical, dielectric models for calculation of the electromagnetic response and show that the overall distribution of oscillator stren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecfca9c75f56088109d4dfe5e3b22511
https://pure.au.dk/portal/da/publications/classical-dielectric-models-of-fullerenes-and-estimation-of-heat-radiation(3f975fd0-b4e0-11da-bee9-02004c4f4f50).html
https://pure.au.dk/portal/da/publications/classical-dielectric-models-of-fullerenes-and-estimation-of-heat-radiation(3f975fd0-b4e0-11da-bee9-02004c4f4f50).html
Autor:
Shigeo Tomita, Umesh Kadhane, Olof Echt, Preben Hvelplund, B. Concina, Jimmy Rangama, M. B. Suhr Kirketerp, Henning Zettergren, Sophie E. Canton, Klavs Hansen, E. Bonderup, Bo Liu, J. S. Forster, Subhasis Panja, A. E. K. Sundén, Jens Ulrik Andersen, S. Brøndsted Nielsen, Kristian Støchkel
Publikováno v:
Journal of Chemical Physics
Kadhane, U, Andersen, J U, Bonderup, E, Concina, B J M F, Hvelplund, P, Kirketerp, M-B S, Liu, B, Nielsen, S B, Panja, S, Rangama, J, Støchkel, K, Tomita, S, Zettergren, H, Hansen, K, Sundén, A E K, Canton, S E, Echt, O & Forster, J S 2009, ' Near-infrared photoabsorption by C 60 dianions in a storage ring ', Journal of Chemical Physics, vol. 131, no. 014301 . https://doi.org/10.1063/1.3149775
Kadhane, U, Andersen, J U, Bonderup, E, Concina, B J M F, Hvelplund, P, Kirketerp, M-B S, Liu, B, Nielsen, S B, Panja, S, Rangama, J, Støchkel, K, Tomita, S, Zettergren, H, Hansen, K, Sundén, A E K, Canton, S E, Echt, O & Forster, J S 2009, ' Near-infrared photoabsorption by C 60 dianions in a storage ring ', Journal of Chemical Physics, vol. 131, no. 014301 . https://doi.org/10.1063/1.3149775
We present a detailed study of the electronic structure and the stability of C(60) dianions in the gas phase. Monoanions were extracted from a plasma source and converted to dianions by electron transfer in a Na vapor cell. The dianions were then sto
Publikováno v:
Annual Review of Nuclear and Particle Science. 33:453-504