| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Laser-Induced Distortions and Disturbance Propagation of Delocalized Electronic States in Monatomic Carbon Chains |
| YANG Gong-Xian1,2, GONG Xiu-Fang2* |
1School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048
2Dongfang Turbine Co., Ltd, Deyang 618000, |
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| Cite this article: |
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YANG Gong-Xian, GONG Xiu-Fang 2012 Chin. Phys. Lett. 29 066102 |
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Abstract Tight-binding electron-ion dynamics of carbon chains pumped by intense laser pulses are performed to study the interactions between monatomic carbon chains and lasers. Laser-induced distortions of carbon chains, which are enhanced by a long wavelength laser, are investigated. The carbon chains with a strong laser beam focused on one terminal are simulated to study the disturbance of electronic states. By the superposition of delocalized π band states, the disturbance propagates from the illuminated area to the non-illuminated area in a velocity of about 106 m/s at 0 K, and this velocity is weakened at room temperature due to the localization effect of thermal fluctuation.
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| Keywords:
61.46.Km
81.05.Uw
31.15.Ar
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Received: 30 August 2011
Published: 31 May 2012
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| PACS: |
61.46.Km
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(Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires))
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81.05.Uw
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31.15.Ar
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