The dissipative effects on stochasticity of the nonlinear oscillator |
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| Authors: | Moo Young Choi Koo-Chul Lee Duk-In Choi |
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| Institution: | Department of Physics, Seoul National University, Seoul, Korea;Department of Physics, Korea Advanced Institute of Science and Technology, Seoul, Korea |
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| Abstract: | The effects of dissipation on the stochasticity of a nonlinear oscillator in the presence of a perturbing field are studied analytically. It is shown that the dissipation has two different and opposite effects on the stochasticity depending on the external frequency in the non time asymptotic domain. In the low frequency regime the stochasticity is enhanced while high frequency diminishes the stochasticity. These results may be related to some aspects of recent numerical studies. |
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