Citation:
Balmaseda, A., Lonigro, D., & Pérez-Pardo, J. M. (2022). On the Schrödinger Equation for Time-Dependent Hamiltonians with a Constant Form Domain. In Mathematics, 10(2), 218-238
xmlui.dri2xhtml.METS-1.0.item-contributor-funder:
Comunidad de Madrid Ministerio de Ciencia, Innovación y Universidades (España) Universidad Carlos III de Madrid
Sponsor:
A.B. and J.M.P.-P. acknowledge support provided by the “Ministerio de Ciencia e Innovación”
Research Project PID2020-117477GB-I00, by the QUITEMAD Project P2018/TCS-4342 funded
by Madrid Government (Comunidad de Madrid-Spain) and by the Madrid Government (Comunidad
de Madrid-Spain) under the Multiannual Agreement with UC3M in the line of “Research Funds for
Beatriz Galindo Fellowships” (C&QIG-BG-CM-UC3M), and in the context of the V PRICIT (Regional
Programme of Research and Technological Innovation). A.B. acknowledges financial support by
“Universidad Carlos III de Madrid” through Ph.D. Program Grant PIPF UC3M 01-1819 and through
its mobility grant in 2020. D.L. was partially supported by “Istituto Nazionale di Fisica Nucleare”
(INFN) through the project “QUANTUM” and the Italian National Group of Mathematical Physics
(GNFM-INdAM).
Project:
Gobierno de España. PID2020-117477GB-I00 Comunidad de Madrid. P2018/TCS-4342 Universidad Carlos III de Madrid. C&QIG-BG-CM-UC3M Universidad Carlos III de Madrid. UC3M 01-1819
We study two seminal approaches, developed by B. Simon and J. Kisynski, to the wellposedness
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 domWe study two seminal approaches, developed by B. Simon and J. Kisynski, to the wellposedness
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.[+][-]