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Chaotic behaviours and control of chaos in the p-Ge photoconductor |
Feng Yu-Ling(冯玉玲)†, Zhang Xi-He(张喜和), and Yao Zhi-Hai(姚治海) |
Department of Physics, Changchun University of Science and Technology, Changchun 130022, China |
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Abstract The chaotic behaviours in the p--Ge photoconductor system are studied by changing the photo-excitation coefficient and the routes and parameter conditions are given for chaos generation in this system. A scheme for controlling chaos in the p--Ge photoconductor is presented by adding an ac bias current. Numerical simulations show that this scheme can be effectively used to control chaotic states into stable period states for this system. Moreover, the different period states with different period numbers can be obtained by appropriately adjusting the amplitude, frequency, and initial phase of the additional ac current.
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Received: 30 December 2009
Accepted manuscript online:
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PACS:
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72.40.+w
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(Photoconduction and photovoltaic effects)
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05.45.Gg
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(Control of chaos, applications of chaos)
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Fund: Project supported by Scientific and
Technological Development Plan Program of Jilin Province, China
(Grant No.~20090309). |
Cite this article:
Feng Yu-Ling(冯玉玲), Zhang Xi-He(张喜和), and Yao Zhi-Hai(姚治海) Chaotic behaviours and control of chaos in the p-Ge photoconductor 2010 Chin. Phys. B 19 060511
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