Studies in Perturbation Theory. IX. Connection Between Various Approaches in the Recent Development—Evaluation of Upper Bounds to Energy Eigenvalues in Schrödinger's Perturbation Theory

DOI10.1063/1.1704781zbMath0136.47101OpenAlexW2108428165WikidataQ60043144 ScholiaQ60043144MaRDI QIDQ5509647

Per-Olov Löwdin

Publication date: 1965

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.1704781

zbMATH Keywords

quantum theory

Related Items (6)

Spontaneous Breakdown of a PT-Symmetry in the Liouvillian Dynamics at a Non-Hermitian Degeneracy Point ⋮ Investigating a hybrid perturbation-Galerkin technique using computer algebra ⋮ General scheme of splittings of degenerate eigensubspaces and eigenelements of self-adjoint operators in high orders of perturbation theory ⋮ \(P\)-invertibility of matrices and operators ⋮ Wigner's \((2n+1)\) rule for nonlinear Schrödinger equations ⋮ Partitioning lower bounds for Bubnov–Galerkin’s eigenvalues

Cites Work

• The many-body problem and the Brückner approximation
• Perturbation Theory in Wave Mechanics
• Studies in Perturbation Theory. IV. Solution of Eigenvalue Problem by Projection Operator Formalism
• THE INTEGRATION OF THE FIRST-ORDER PERTURBED WAVE EQUATION FOR EXCITED STATES OF ONE-DIMENSIONAL SYSTEMS

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