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Words: 207
Articles: 8
The Rayleigh quotient of any normalized trial state is at least the ground-state energy.
Table of contents
207
8
Nodeless theorem for a one-dimensional ground state
Variational method
26
Exact ground state of a solvable sextic potential
Variational method
20
Gaussian variational estimate for a solvable sextic potential
Variational method
24
Ground-state energy monotonicity under potential ordering
Variational method
27
Quantum virial identity from scaling
Variational method
52
1
Fall to the centre for a supercritical inverse-power potential
Quantum virial identity from scaling
26
Exact variational solution in a two-level system
Variational method
44
1
Level repulsion in a two-level Hamiltonian
Exact variational solution in a two-level system
18
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Quantum theory
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