![FDCS in atomic units for SI of helium using a 3-body model (dashed), 4-body model (solid), and 4-body model using the analytic Hartree–Fock helium wave function (dotted) FDCS in atomic units for SI of helium using a 3-body model (dashed), 4-body model (solid), and 4-body model using the analytic Hartree–Fock helium wave function (dotted)](https://s3-eu-west-1.amazonaws.com/ppreviews-iop-487454658/1479968/preview.jpg)
FDCS in atomic units for SI of helium using a 3-body model (dashed), 4-body model (solid), and 4-body model using the analytic Hartree–Fock helium wave function (dotted)
бгеж Bonding-Structure: Recitation E 1 Variational Principle Recall • International System units, atomic units: Quantity S
Values of some physical constants Quantity Symbol Value . Avogadro's number No 6.0222 x 1023 Planck constant h 6.6
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