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math-ph2012★ 30 cited
Dynamical Equations, Invariants and Spectrum Generating Algebras of Mechanical Systems with Position-Dependent Mass
Sara Cruz y Cruz, Oscar Rosas-Ortiz
We analyze the dynamical equations obeyed by a classical system with position-dependent mass. It is shown that there is a non-conservative force quadratic in the velocity associate…
math-ph2009★ 18 cited
SU(1,1) Coherent States For Position-Dependent Mass Singular Oscillators
Sara Cruz y Cruz, Oscar Rosas-Ortiz
The Schroedinger equation for position-dependent mass singular oscillators is solved by means of the factorization method and point transformations. These systems share their spect…