期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.086602
关键词
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资金
- Chemical Sciences, Biosciences and Geosciences Division [DE-FG02-01ER15213]
- Materials Sciences and Engineering Division of the Office of the Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-FG02-11ER46789]
- U.S.-Israel Binational Science Foundation, BaCaTec
- German Research Foundation (DFG)
- U.S. Department of Energy (DOE) [DE-FG02-01ER15213] Funding Source: U.S. Department of Energy (DOE)
We predict a dynamic metallization effect where an ultrafast (single-cycle) optical pulse with a less than or similar to 1 V/angstrom field causes plasmonic metal-like behavior of a dielectric film with a few-nm thickness. This manifests itself in plasmonic oscillations of polarization and a significant population of the conduction band evolving on a similar to 1 fs time scale. These phenomena are due to a combination of both adiabatic (reversible) and diabatic (for practical purposes irreversible) pathways.
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