Hao Wu, Hui-jun Jiang, Zhong-huai Hou. Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems[J]. Chinese Journal of Chemical Physics , 2012, 25(1): 70-76. doi: 10.1088/1674-0068/25/01/70-76
Citation: Hao Wu, Hui-jun Jiang, Zhong-huai Hou. Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems[J]. Chinese Journal of Chemical Physics , 2012, 25(1): 70-76. doi: 10.1088/1674-0068/25/01/70-76

Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems

doi: 10.1088/1674-0068/25/01/70-76
Funds:  This work is supported by the National Natu-ral Science Foundation of China (No.20933006 and No.20873130).
  • Received Date: 2011-09-08
  • We investigate the impact of coupling on the reliability of the logic system as well as the logical stochastic resonance (LSR) phenomenon in the coupled logic gates system. It is found that compared with single logic gate, the coupled system could yield reliable logic outputs in a much wider noise region, which means coupling can obviously improve the reliability of the logic system and thus enhance the LSR effect. Moreover, we find that the enhancement is larger for larger system size, whereas for large enough size the enhancement seems to be saturated. Finally, we also examine the effect of coupling strength, it can be observed that the noise region where reliable logic outputs can be obtained evolves non-monotonically as the coupling strength increases, displaying a resonance-like effect.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems

doi: 10.1088/1674-0068/25/01/70-76
Funds:  This work is supported by the National Natu-ral Science Foundation of China (No.20933006 and No.20873130).

Abstract: We investigate the impact of coupling on the reliability of the logic system as well as the logical stochastic resonance (LSR) phenomenon in the coupled logic gates system. It is found that compared with single logic gate, the coupled system could yield reliable logic outputs in a much wider noise region, which means coupling can obviously improve the reliability of the logic system and thus enhance the LSR effect. Moreover, we find that the enhancement is larger for larger system size, whereas for large enough size the enhancement seems to be saturated. Finally, we also examine the effect of coupling strength, it can be observed that the noise region where reliable logic outputs can be obtained evolves non-monotonically as the coupling strength increases, displaying a resonance-like effect.

Hao Wu, Hui-jun Jiang, Zhong-huai Hou. Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems[J]. Chinese Journal of Chemical Physics , 2012, 25(1): 70-76. doi: 10.1088/1674-0068/25/01/70-76
Citation: Hao Wu, Hui-jun Jiang, Zhong-huai Hou. Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems[J]. Chinese Journal of Chemical Physics , 2012, 25(1): 70-76. doi: 10.1088/1674-0068/25/01/70-76

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