Pramana

, Volume 46, Issue 6, pp 403–410

Optimal barrier subdivision for Kramers’ escape rate

  • Mulugeta Bekele
  • G Ananthakrishna
  • N Kumar
Article

Abstract

We examine the effect of subdividing the potential barrier along the reaction coordinate on Kramers’ escape rate for a model potential. Using the known supersymmetric potential approach, we show the existence of an optimal number of subdivisions that maximizes the rate.

Keywords

Kramers problem activated processes reaction rates 

PACS Nos

05.70 31.70 87.15 

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Copyright information

© the Indian Academy of Sciences 1996

Authors and Affiliations

  • Mulugeta Bekele
    • 2
  • G Ananthakrishna
    • 3
  • N Kumar
    • 4
    • 2
  1. 1.Department of PhysicsAddis Ababa UniversityAddis AbabaEthiopia
  2. 2.Department of PhysicsIndian Institute of ScienceBangaloreIndia
  3. 3.Materials Research CentreIndian Institute of ScienceBangaloreIndia
  4. 4.Raman Research InstituteBangaloreIndia

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