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Chemical Dynamics in Condensed PhasesRelaxation, Transfer and Reactions in Condensed Molecular Systems$
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Abraham Nitzan

Print publication date: 2006

Print ISBN-13: 9780198529798

Published to Oxford Scholarship Online: November 2020

DOI: 10.1093/oso/9780198529798.001.0001

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Quantum Dynamics Using The Time-Dependent Schrödinger Equation

Quantum Dynamics Using The Time-Dependent Schrödinger Equation

2 Quantum Dynamics Using The Time-Dependent Schrödinger Equation
Chemical Dynamics in Condensed Phases

Abraham Nitzan

Oxford University Press

This chapter focuses on the time-dependent Schrödinger equation and its solutions for several prototype systems. It provides the basis for discussing and understanding quantum dynamics in condensed phases, however, a full picture can be obtained only by including also dynamical processes that destroy the quantum mechanical phase. Such a full description of quantum dynamics cannot be handled by the Schrödinger equation alone; a more general approach based on the quantum Liouville equation is needed. This important part of the theory of quantum dynamics is discussed in Chapter 10. Given a system characterized by a Hamiltonian Ĥ , the time-dependent Schrödinger equation is For a closed, isolated system Ĥ is time independent; time dependence in the Hamiltonian enters via effect of time-dependent external forces. Here we focus on the earlier case. Equation (1) is a first-order linear differential equation that can be solved as an initial value problem.

Keywords:   Franck–Condon factors, Green function, Hartree approximation, Rabi frequency, Schrödinger representation, coupling elements, number operator, probability flux, reaction rate, screening

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