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On the Schrödinger Equation for Time-Dependent Hamiltonians with a Constant Form Domain

Author

Listed:
  • Aitor Balmaseda

    (Departamento de Matemáticas, Universidad Carlos III de Madrid, Avda. de la Universidad 30, 28911 Madrid, Spain)

  • Davide Lonigro

    (Dipartimento di Fisica and MECENAS, Università di Bari, I-70126 Bari, Italy
    Istituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, Italy)

  • Juan Manuel Pérez-Pardo

    (Departamento de Matemáticas, Universidad Carlos III de Madrid, Avda. de la Universidad 30, 28911 Madrid, Spain
    Instituto de Ciencias Matemáticas (CSIC-UAM-UC3M-UCM) ICMAT, C/Nicolás Cabrera 13–15, 28049 Madrid, Spain)

Abstract

We study two seminal approaches, developed by B. Simon and J. Kisyński, to the well-posedness of the Schrödinger equation with a time-dependent Hamiltonian. In both cases, the Hamiltonian is assumed to be semibounded from below and to have a constant form domain, but a possibly non-constant operator domain. The problem is addressed in the abstract setting, without assuming any specific functional expression for the Hamiltonian. The connection between the two approaches is the relation between sesquilinear forms and the bounded linear operators representing them. We provide a characterisation of the continuity and differentiability properties of form-valued and operator-valued functions, which enables an extensive comparison between the two approaches and their technical assumptions.

Suggested Citation

  • Aitor Balmaseda & Davide Lonigro & Juan Manuel Pérez-Pardo, 2022. "On the Schrödinger Equation for Time-Dependent Hamiltonians with a Constant Form Domain," Mathematics, MDPI, vol. 10(2), pages 1-20, January.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:2:p:218-:d:722362
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