Finite Elements in Action: Modeling Quantum Mechanics and Electrodynamics in Nanoscale Systems

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L. Ramdas Ram-Mohan (Director, Center for Computational NanoScience (CCNS), Director, Center for Computational NanoScience (CCNS), Worcester Polytechnic Institute)

Finite Elements in Action

Name: Finite Elements in Action
Price: 177.95 AUD
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ISBN: 9780199563487

Modeling Quantum Mechanics and Electrodynamics in Nanoscale Systems

L. Ramdas Ram-Mohan (Director, Center for Computational NanoScience (CCNS), Director, Center for Computational NanoScience (CCNS), Worcester Polytechnic Institute)

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English

Oxford University Press
19 March 2026

Condensed matter physics (liquid state & solid state physics); Mathematical physics; Nanotechnology

The central focus of this textbook is the elucidation of the interplay between the principle of stationary action and Schrödinger's equation, and its solution using the finite element method (FEM), a method of solving differential equations, in physical systems whose dimensions are on the order of nanometers. The treatment of the dynamics of electrons in such systems deserves a quantum mechanical description and typical applications at the nanoscale also require the modeling of electrodynamic fields. For instance, nanoscale semiconductor laser design requires the interplay between electrons and photons to be modeled simultaneously.

Aimed at graduate students and researchers in nanoscale systems, materials growth, optoelectronics, engineering, physics, and chemistry, as well as electrical engineers, mechanical engineers, computational scientists, and quantum computer developers, this book explores the development of variational methods and their implementation for several physical examples in the framework of the FEM and addresses issues that are very common in modeling nanoscale systems.

By: L. Ramdas Ram-Mohan (Director Center for Computational NanoScience (CCNS) Director Center for Computational NanoScience (CCNS) Worcester Polytechnic Institute)
Imprint: Oxford University Press
Country of Publication: United Kingdom
Dimensions: Height: 250mm, Width: 175mm, Spine: 30mm
Weight: 1.152kg
ISBN: 9780199563487
ISBN 10: 0199563489
Pages: 528
Publication Date: 19 March 2026
Audience: College/higher education , Further / Higher Education
Format: Hardback
Publisher's Status: Active

Part I - The Action Integral in Quantum Mechanics 1: Schrödinger's equation and the action 2: Action, FEM and BCs 3: Element geometries for 2D and 3D 4: Boundary conditions at material interfaces 5: Accidental degeneracy in cubic semiconductor quantum dots Part II - Quantum Scattering 6: Quantum scattering in 1D revisited 7: 2D quantum waveguides 8: Quantum scattering in 2D waveguides 9: Open domain quantum scattering with sources and absorbers Part III - Wavefunction Engineering 10: Wavefunction engineering of semiconductor nanostructures 11: Schrödinger-Poisson self-consistency in layered semiconductor nanostructures Part IV - Steady-state current distributions 12: The Extraordinary Magneto-Resistance effect in metal- semiconductor structures 13: Read-head design based on the EMR effect Part V - Electrodynamics 14: Fields in electromagnetic waveguides 15: Modeling photonic crystals with Hermite FEM 16: Cavity Electrodynamics and symmetries 17: Dimensional continuation of EM singularities in structures with re-entrant geometry 18: The gauge degree of freedom in Electrodynamics Part VI - Further applications of FEM A: Derivation of shape functions using group theory B: Shape functions for 1D, 2D, and 3D finite elements C: Hermite Least Squares Data Fitting

L. Ramdas Ram-Mohan graduated from St. Stephen's College at Delhi University with a B.Sc. (Honors) in 1964 and did his graduate work at Purdue University in theoretical high energy physics earning his MS and PhD in 1971. After post-doctoral assignments at the Freie Universität in Berlin and Delhi University, he joined Purdue University from 1975 to 1978. He has been at Worcester Polytechnic Institute since 1978 as Assistant, Associate, and was made Full Professor in 1985. His interests have ranged from quantum field theory, linear and nonlinear optical properties of semiconductor heterostructures, to high-accuracy finite element methods for scattering theory and electrodynamics, band structures of solids, and wavefunction engineering of quantum well lasers.