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The role of external single-well potential, spatially varying temperature, spatially varying trap potential and time varying force on the impurity dynamics

Author

Listed:
  • Tibebe Birhanu

    (University of Gondar)

  • Yigermal Bassie

    (Wolkite University)

  • Yoseph Abebe

    (Debre Markos University)

Abstract

In this paper, we study the role of external parabolic potential, spatially varying temperature, spatially varying trap potential, and time-varying weak signal on the impurities walking from one lattice site to another lattice site. Both temperature and trap potential effects force the system to undergo a phase transition from single well potential to triple well effective potential. In addition, the role of time-varying signal rocks the triple well effective potential and helps the impurities easily surmount the potential barrier. As a result, we study the characterization of stochastic resonance both analytically and numerically. Graphical abstract

Suggested Citation

  • Tibebe Birhanu & Yigermal Bassie & Yoseph Abebe, 2023. "The role of external single-well potential, spatially varying temperature, spatially varying trap potential and time varying force on the impurity dynamics," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 96(1), pages 1-7, January.
    • Handle: RePEc:spr:eurphb:v:96:y:2023:i:1:d:10.1140_epjb_s10051-023-00478-2
    DOI: 10.1140/epjb/s10051-023-00478-2
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