Variational Approach to Hydrogen Atom in Uniform Magnetic Field of Arbitrary Strength

Variational calculations for the hydrogen-antihydrogen system with a mass-scaled Born-Oppenheimer potential

Variational Characterisations of Separability and Entanglement of Formation

Variational collocation for systems of coupled anharmonic oscillators

Variational collocation on finite intervals

Variational determination of the two-particle density matrix as a quantum many-body technique

Variational Formulation for Quaternionic Quantum Mechanics

Variational Functionals for Excited States

Variational Interpolation Algorithm between Weak- and Strong-Coupling Expansions

Variational matrix product ansatz for dispersion relations

Variational Numerical Renormalization Group: Bridging the gap between NRG and Density Matrix Renormalization Group

Variational perturbation expansion for strong-coupling coefficients of the anharmonic oscillator

Variational Perturbation Theory for Density Matrices

Variational Perturbation Theory for the Ground-State Wave Function

Variational Principle for Mixed Classical-Quantum Systems

Variational properties of a pumped dynamical system

Variational quantum tomography with incomplete information by means of semidefinite programs

Variational Resummation of Divergent Series with known Large-Order Behavior

Variational Sturmian Approximation: A nonperturbative method of solving time-independent Schrödinger equation

Variational-Iterative Solution of Ground State for Central Potential