L. R. Ram Mohan

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Distinguished Alumnus 1996

  • Ph.D. 1971, Physics, Purdue University

Professor L.R. Ram-Mohan received his Ph.D. degree from Purdue University in 1971. During his career he has made many significant, creative and innovative contributions to the physics of semiconductors and metals.

Ram-Mohan brings to condensed matter physics a unique background in theoretical particle physics with emphasis on symmetry principles and a thorough mastery of many-body theory. He has mobilized his theoretical background, his considerable skills in analytical and computational aspects of mathematical physics, as well as his deep physical insights to address an impressive range of investigations. The highlights of his studies are:

  • Direction Generation of Ultrasound by Electromagnetic Radiation in Metals in a Magnetic Field.

  • Theory of Solid State Lasers; Stimulated Plasmon Emission in HeCdTe; Dielectric nonlinearities associated with carrier mass modulation in p-type narrow gap materials; Theory of O-phonon FIR emission laser; a proposal for the gamma-X laser in GaAs/AlGaAs superlattices; Four wave mixing.

  • Theory of dielectric and magnetic properties of diluted magnetic semiconductors and narrow band gap materials: Binding energy of bound magnetic polaron.

  • Confined Electron States in Quantum Well Structures of Semiconductors (Superlattices, Quantum Wires, Quantum Dots).

  • g-factors of donor bound electrons Finite element Method for Energy Eigenvalues of quantum Mechanical Systems.

Ram-Mohan has demonstrated in his work a special talent in identifying problems of contemporary interest in semiconductors and their heterostructures; in formulating the underlying theory in a physically transparent manner and analyzing it with elegance; in developing powerful computational techniques and implementing them authoritatively. He has been immensely successful in his collaborations with experimenters at Purdue. MIT, NRL, Notre Dame, University of Missouri (Columbia), and WPI. Ram-Mohan's reputation as a master of numerical methods (Finite Element Method; Transfer Matrix Method) led to his being invited to conduct a course of lectures during the recent conference on Computations in Physics (PC93); a book on ``Finite Element and Boundary Element Applications in Quantum Mechanics" is in preparation for publication by Oxford University Press.

At Worcester Polytechnic Institute, Professor Ram-Mohan has made significant impact in teaching both at the graduate and undergraduate levels. He has established a thriving program of research in which talented graduate students have been initiated into research.

Professor Ram-Mohan has been a Professor of Physics at WPI since 1985. In 1991 he was appointed Professor of Physics and Electrical and Computer Engineering. He has been awarded Board of Trustees' Award for Outstanding Creative Scholarship, and the Board of Trustees' Award for Outstanding Teaching at WPI.

Career Highlights

  • Direction Generation of Ultrasound by Electromagnetic Radiation in Metals in a Magnetic Field.
  • Theory of Solid State Lasers; Stimulated Plasmon Emission in HeCdTe; Dielectric nonlinearities associated with carrier mass modulation in p-type narrow gap materials; Theory of O-phonon FIR emission laser; a proposal for the gamma-X laser in GaAs/AlGaAs superlattices; Four wave mixing.
  • Theory of dielectric and magnetic properties of diluted magnetic semiconductors and narrow band gap materials: Binding energy of bound magnetic polaron.
  • Confined Electron States in Quantum Well Structures of Semiconductors (Superlattices, Quantum Wires, Quantum Dots).
  • g-factors of donor bound electrons Finite element Method for Energy Eigenvalues of quantum Mechanical Systems.
Last Updated: Apr 29, 2016 3:36 PM