Response to multiplicative noise: The cross-spectrum of membrane voltage fluctuation and voltage-independent conductance noise

被引：1

作者：

Wang, Jia-Zeng ^{[1
,2
]}

Ma, Shu ^{[1
]}

Ji, Yu ^{[1
]}

Sun, Qi ^{[1
]}

机构：

[1] Beijing Technol & Business Univ, Sch Math & Stat, Beijing, Peoples R China

[2] Beijing Technol & Business Univ, Res Ctr Stat Sci, Beijing 100048, Peoples R China

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2023年 / 622卷

关键词：

Conductance noise; Cross spectrum; Coherence; TIME-CORRELATION FUNCTIONS; MARKOV RANDOM-PROCESSES; IRREVERSIBLE-PROCESSES; STATISTICAL-MECHANICS; RECIPROCAL RELATIONS; CHANNEL NOISE; DISSIPATION;

D O I：

10.1016/j.physa.2023.128888

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We reveal that the correlation of voltage fluctuation and voltage-independent conductance noise, rather than the magnitude of the latter, explains most of the former. Being the response function in the spectral domain, the cross-spectrum has an order three scaling law originating in the imaginary part, and it can be divided into three phases: left the real part dominant phase; right the imaginary part dominant phase; and center the transition phase. Since the coherence in the left phase has a greater decay rate than that in the right phase, an additional peak appears in the transition phase. All of these results imply that the effects of conductance noise, being multiplicative, cannot be characterized by the concept of impedance-which is adopted from the field of equilibrium thermodynamics. & COPY; 2023 Elsevier B.V. All rights reserved.

引用

页数：12

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