Photoinduced Polaron-Splitting in Polymer

Chin. Phys. Lett.

2004, Vol. 21

Issue (8): 1663-1665 DOI:

Original Articles

Photoinduced Polaron-Splitting in Polymer

TANG Fei^1,2;XU Xiao-Hua¹;SUN Xin^1,2

¹Research Centre for Theoretical Physics, Fudan University, Shanghai 200433 ²National Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083

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TANG Fei, XU Xiao-Hua, SUN Xin 2004 Chin. Phys. Lett. 21 1663-1665

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Abstract We simulate a relaxation process of a polaron in polymer after photo excitation, and a new state is realized by means of proper excitation. The original lattice configuration of the polaron splits into two symmetrical peaks, and consequently a double-well potential is formed, where the wavefunctions of electron localized in these two wells are entangled. Thus, this process provides a method to generate the Schrödinger cat state. According to the dynamical process of the lattice configuration, the relaxation time of splitting is about 150fs.

Keywords: 82.35.Cd 82.35.Lr

Published: 01 August 2004

PACS:	82.35.Cd	(Conducting polymers)
	82.35.Lr	(Physical properties of polymers)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I8/01663

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