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| related topics |
| {wave, scattering, interference} |
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Polarizability measurements in a molecule near-field interferometer
Martin Berninger, André Stefanov, Sarayut Deachapunya, Markus Arndt
abstract: We apply near-field matter-wave interferometry to determine the absolute
scalar polarizability of the fullerenes C$_{60}$ and C$_{70}$. A key feature of
our experiment is the combination of good transmission and high spatial
resolution, gained by wide molecular beams passing through sub-micron gratings.
This allows to significantly facilitate the observation of field-dependent beam
shifts. We thus measure the polarizability to be $\alpha=88.9 \pm 0.9 \pm 5.1
\rm \AA^{3}$ for C$_{60}$ and to $\alpha = 108.5 \pm 2.0 \pm 6.2 \rm \AA^{3}$
for C$_{70}$.
- oai_identifier:
- oai:arXiv.org:quant-ph/0701179
- categories:
- quant-ph
- comments:
- 4 pages, 4 figures
- doi:
- 10.1103/PhysRevA.76.013607
- arxiv_id:
- quant-ph/0701179
- journal_ref:
- Phys. Rev. A 76, 013607 (2007)
- created:
- 2007-01-25
Full article ▸
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