Effects of noise near a homoclinic bifurcation in an electrochemical system

Santos, Gerardo J. E.; Rivera, Marco; Eiswirth, Markus; Parmananda, Punit

doi:10.1103/PhysRevE.70.021103

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学術論文

Effects of noise near a homoclinic bifurcation in an electrochemical system

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Eiswirth, Markus
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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PhysRevE.70.021103.pdf
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引用

Santos, G. J. E., Rivera, M., Eiswirth, M., & Parmananda, P. (2004). Effects of noise near a homoclinic bifurcation in an electrochemical system. Physical Review E, 70(2):. doi:10.1103/PhysRevE.70.021103.

引用: https://hdl.handle.net/11858/00-001M-0000-0011-0B64-B

要旨

The interaction of external noise with an electrochemical oscillator (anodic dissolution of iron) has been studied experimentally on both sides of the homoclinic bifurcation. In the oscillatory regime the regularity of the limit cycle behavior was destroyed with increasing noise amplitude until no periodicity was observable any more. In contrast, the response of the excitable state (fixed point regime) became more regular at intermediate noise levels.