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Author Mahadevan, S. ♦ Maheswari, A. Uma ♦ Prema, P. ♦ Shastry, C. S.
Source CiteSeerX
Content type Text
File Format PDF
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Subject Keyword Quantum Mechanical Transmission ♦ Absorption Peak ♦ Rectangular Barrier ♦ Barrier Problem ♦ Large Absorption ♦ Absorption Potential Strength W0 ♦ Potential Barrier ♦ Reflection Overtakes ♦ Subtle Inter-relationship ♦ Absorptive Medium ♦ W0 Constant ♦ Towards Unity ♦ Non-relativistic Quantum Mechanic ♦ Corresponding Well Problem ♦ Incident Energy ♦ Studied Topic ♦ Particular Value ♦ Corresponding Case
Abstract Transmission and reflection across a rectangular barrier at energies below and above barrier is the most commonly studied topic in non-relativistic quantum mechanics. However the subtle inter-relationship between the barrier problem and the corresponding well problem is not widely known, in particular when absorption is present. In this article we show that when a particle traverses an absorptive medium, at any given energy the absorption peaks for a particular value of absorption potential strength W0. Similarly we study the corresponding cases when incident energy E is increased keeping W0 constant. Further, we show that for a given E when W0. is made very large absorption gradually decreases and reflection overtakes it and tends towards unity. We also study the case of transmission across a potential barrier and well and interpret physically the behavior of absorption, transmission and reflection.
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article
Publisher Date 2006-01-01
Publisher Department Physics Department