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Tracking the motion of charges in a terahertz light field by femtosecond X-ray diffraction.

Abstract:

In condensed matter, light propagation near resonances is described in terms of polaritons, electro-mechanical excitations in which the time-dependent electric field is coupled to the oscillation of charged masses. This description underpins our understanding of the macroscopic optical properties of solids, liquids and plasmas, as well as of their dispersion with frequency. In ferroelectric materials, terahertz radiation propagates by driving infrared-active lattice vibrations, resulting in p...

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Publication status:
Published

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Publisher copy:
10.1038/nature05041

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Simpson, C More by this author
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Journal:
Nature
Volume:
442
Issue:
7103
Pages:
664-666
Publication date:
2006-08-05
DOI:
EISSN:
1476-4687
ISSN:
0028-0836
URN:
uuid:b58ababe-b0fc-4b9d-bcb0-1a684175bd49
Source identifiers:
23215
Local pid:
pubs:23215
Language:
English

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