Figure 3. Virial ratio (η), for the twenty-four computed states. The dotted line marks the exact value η = 2

From

Variational Monte Carlo Study of the (1s2 2s) 2Se, (1s2 2p) 2Po and (1s2s2p) 4Po States of the Lithium Isoelectronic Sequence

Boubacar Sow, Babou Diop, Malick Sow, Omar Absatou Niass

International Journal of Physics. 2026, 14(4), 86-92 doi:10.12691/ijp-14-4-2