This book provides an introduction to representative nonrelativistic quantum control problems and their theoretical analysis and solution via modern computational techniques. The quantum theory framework is based on the Schrodinger picture, and the optimization theory, which focuses on functional spaces, is based on the Lagrange formalism. The computational techniques represent recent developments that have resulted from combining modern numerical techniques for quantum evolutionary equations with sophisticated optimization schemes. Both finite and infinite-dimensional models are discussed, including the three-level Lambda system arising in quantum optics, multispin systems in NMR, a charged particle in a well potential, Bose-Einstein condensates, multiparticle spin systems, and multiparticle models in the time-dependent density functional framework.
 This self-contained book covers the formulation, analysis, and numerical solution of quantum control problems and bridges scientific computing, optimal control and exact controllability, optimization with differential models, and the sciences and engineering that require quantum control methods.
 Audience: This book is intended for mathematicians working on ODE/PDE control and optimization problems and the numerical analysis of differential equations; physicists; chemists; and engineers who focus on quantum control problems. It is suitable for advanced courses on ODE/PDE quantum control problems and provides extensively elaborated problems that help the reader develop insight into the main ideas and techniques of quantum control problems. It is also suitable for advanced graduate students and scientists of mathematics, the natural sciences, and engineering.
 Contents: Chapter 1: Introduction; Chapter 2: Quantum mechanics and the Schrödinger equation; Chapter 3: Optimal control theory for quantum systems; Chapter 4: Controllability of quantum systems; Chapter 5: Discretization schemes; Chapter 6: Numerical optimization methods; Chapter 7: Application to quantum control problems; Appendix.

Formulation and Numerical Solution of Quantum Control Problems

Alfio Borzi

Gabriele Ciaramella

Martin Sprengel

SIAM-Society for Industrial & Applied Mathematics

Iterative methods use successive approximations to obtain more accurate solutions. Iterative Methods and Preconditioners for Systems of Linear Equations •presents historical background, •derives complete convergence estimates for all methods, •illustrates and provides Matlab codes for all methods, and •studies and tests all preconditioners first as stationary iterative solvers. This textbook is appropriate for undergraduate and graduate students in need of an overview or of deeper knowledge about iterative methods. It can be used in courses on Advanced Numerical Analysis, Special Topics on Numerical Analysis, Topics on Data Science, Topics on Numerical Optimization, and Topics on Approximation Theory. Scientists and engineers interested in new topics and applications will also find the text useful.

Iterative Methods and Preconditioners for Systems of Linear Equations

Martin J. Gander

SIAM: Society for Industrial and Applied Mathematics

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Books by Gabriele Ciaramella