Two-photon decays of highly excited states in hydrogen

Details Two-photon decays of highly excited states in hydrogen Two-photon decays of highly excited states in hydrogen

2010-02-25

arxiv.org/abs/1002.4743v2

J. Phys. B: At. Mol. Opt. Phys. 43 175001 (2010)

Physics

Atomic Physics

10 pages, 3 tables

Scientific paper

10.1088/0953-4075/43/17/175001

The relativistic and nonrelativistic approaches for the calculations of the two-photon decay rates of highly excited states in hydrogen are compared. The dependence on the principal quantum number (n) of the ns, nd, and np initial states is investigated up to n = 100 for the nonresonant emissions. For the ns states together with the main E1E1 channel the contributions of higher multipoles (M1M1, E2E2, E1M2) are considered. For the np states the E1M1 and E1E2 channels are evaluated. Moreover, the simple analytical formula for the E1M1 decay is derived in the nonrelativistic limit.

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