Vibrational resonance in a multistable system with position-dependent mass

被引：5

作者：

Roy-Layinde, T. O. ^{[1
]}

Omoteso, K. A. ^{[1
]}

Kolebaje, O. T. ^{[2
]}

Ogunmefun, F. O. ^{[1
]}

Fasasi, R. A. ^{[1
]}

Laoye, J. A. ^{[1
]}

Vincent, U. E. ^{[3
,4
]}

机构：

[1] Olabisi Onabanjo Univ, Dept Phys, Ago Iwoye, Ogun State, Nigeria

[2] Adeyemi Fed Univ Educ, Dept Phys, Ondo, Nigeria

[3] Redeemers Univ, Dept Phys Sci, PMB 230, Ede, Nigeria

[4] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2023年 / 75卷 / 11期

关键词：

vibrations; resonance; position-dependent mass; multistable oscillator; dual-frequency force; nonlinear systems; SUPERCURRENT DECAY; DYNAMICS; CHAOS; SYNCHRONIZATION; OSCILLATOR; BEHAVIOR;

D O I：

10.1088/1572-9494/acf20e

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The occurrence of vibrational resonance (VR) in a dual-frequency-driven multistable system with a spatially varying mass modelling particle with position-dependent mass (PDM) and evolving in a one-dimensional symmetric periodic potential has been investigated and reported in this paper. We numerically compute and analyze the response amplitude, the effects of the PDM parameters (m 0, a) on the potential structure, the occurrence of VR and the bifurcation of the equilibrium points. It is shown that the PDM parameters, besides controlling VR, can induce unconventional resonance patterns through the variation of the potential well depth. The resonant states can be influenced through the cooperation of the PDM parameters and the external forcing leading the system from multiresonance state into single and double resonance states. The contributions of the fixed rest mass m 0 on the VR and the PDM-induced resonance are determined by threshold conditions imposed by the magnitude of the mass nonlinear strength a.

引用

页数：20

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