The time-dependent Schroedinger equation, Riccati equation and Airy functions

We construct the Green functions (or Feynman's propagators) for the Schroedinger equations of the form \(i\psi_{t}+{1/4}\psi_{xx}\pm tx^{2}\psi =0\) in terms of Airy functions and solve the Cauchy initial value problem in the coordinate and momentum representations. Particular solutions of the...

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Published in:arXiv.org 2009-04
Main Authors: Lanfear, Nathan, Suslov, Sergei K
Format: Article
Language:English
Subjects:
Amplitudes
Boundary value problems
Green's functions
Hypergeometric functions
Mathematical analysis
Nonlinear equations
Parametric amplifiers
Riccati equation
Schrodinger equation
Time dependence
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description We construct the Green functions (or Feynman's propagators) for the Schroedinger equations of the form \(i\psi_{t}+{1/4}\psi_{xx}\pm tx^{2}\psi =0\) in terms of Airy functions and solve the Cauchy initial value problem in the coordinate and momentum representations. Particular solutions of the corresponding nonlinear Schroedinger equations with variable coefficients are also found. A special case of the quantum parametric oscillator is studied in detail first. The Green function is explicitly given in terms of Airy functions and the corresponding transition amplitudes are found in terms of a hypergeometric function. The general case of quantum parametric oscillator is considered then in a similar fashion. A group theoretical meaning of the transition amplitudes and their relation with Bargmann's functions is stablished.
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Particular solutions of the corresponding nonlinear Schroedinger equations with variable coefficients are also found. A special case of the quantum parametric oscillator is studied in detail first. The Green function is explicitly given in terms of Airy functions and the corresponding transition amplitudes are found in terms of a hypergeometric function. The general case of quantum parametric oscillator is considered then in a similar fashion. A group theoretical meaning of the transition amplitudes and their relation with Bargmann's functions is stablished.</description><identifier>EISSN: 2331-8422</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Amplitudes ; Boundary value problems ; Green's functions ; Hypergeometric functions ; Mathematical analysis ; Nonlinear equations ; Parametric amplifiers ; Riccati equation ; Schrodinger equation ; Time dependence</subject><ispartof>arXiv.org, 2009-04</ispartof><rights>2009. 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subjects Amplitudes
Boundary value problems
Green's functions
Hypergeometric functions
Mathematical analysis
Nonlinear equations
Parametric amplifiers
Riccati equation
Schrodinger equation
Time dependence
title The time-dependent Schroedinger equation, Riccati equation and Airy functions
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