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Shanghai Jiaotong University Zhang Hepeng's group achieves entropy-induced stochastic resonance in colloidal systems

 Last Update: 2022-09-07
 Source: Internet
 Author: User

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Recently, "Physical Review Letters" published the research results on stochastic resonance by Zhang Hepeng's group from the Institute of Natural Sciences and the School of Physics and Astronomy, Shanghai Jiaotong University under the title "Colloidal Stochastic Resonance in Confined Geometries"

Experimental setup (left) and stochastic resonance curve (right)

System noise often affects accurate signal delivery and detection

In order to verify the important theoretical prediction of entropy-induced stochastic resonance, Zhang Hepeng's research group used two-photon 3D printing technology to construct a connected double-microcavity structure, as shown in the figure above; this structure can generate an entropy-induced free energy double potential well, which controls the colloid movement of particles

The first author of this paper is PhD student Zhu Qian, the corresponding author is Professor Zhang Hepeng, and the collaborators include Zhou Yang and Professor Fabio Marchesoni from the University of Camerino in Italy

Paper link: https://journals.

author:

Institute of Natural Sciences

Contributing unit:

Institute of Natural Sciences

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