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This book provides a unique survey displaying the power of Riccati equations to describe reversible and irreversible processes in physics and, in particular, quantum physics. Quantum mechanics is supposedly linear, invariant under time-reversal, conserving energy and, in contrast to classical theories, essentially based on the use of complex quantities. However, on a macroscopic level, processes apparently obey nonlinear irreversible evolution equations and dissipate energy. The Riccati equation, a nonlinear equation that can be linearized, has the potential to link these two worlds when applied to complex quantities. The nonlinearity can provide information about the phase-amplitude correlations of the complex quantities that cannot be obtained from the linearized form. As revealed in this wide ranging treatment, Riccati equations can also be found in many diverse fields of physics from Bose-Einstein-condensates to cosmology. The book will appeal to graduate students and theoretical physicists interested in a consistent mathematical description of physical laws.

Riccati equation. --- Quantum theory --- Equation, Riccati --- Mathematics. --- Physics. --- Differential equations. --- Quantum physics. --- Quantum Physics. --- Applications of Nonlinear Dynamics and Chaos Theory. --- Ordinary Differential Equations. --- History and Philosophical Foundations of Physics. --- Differential equations --- Quantum theory. --- Differential Equations. --- 517.91 Differential equations --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Statistical physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Mathematical statistics --- Statistical methods