138 citations · 443 across the 22 of their papers we have counts for
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math-ph2010
Dalgarno-Lewis Method Revisited
A. B. Balantekin, A. Malkus
Proving the existence of an operator that connects non-perturbed states to perturbed states, an alternative derivation of the Dalgarno-Lewis method is given. To illustrate that the…
math-ph2010★ 10 cited
Character Expansions in Physics
A. B. Balantekin
Expanding products of invariant functions of a group element as a series in the basis of characters of the irreducible representations of a group is widely used in many areas of ph…
astro-ph.CO2010★ 34 cited
Electron screening and its effects on Big-Bang nucleosynthesis
Biao Wang, C. A. Bertulani, A. B. Balantekin
We study the effects of electron screening on nuclear reaction rates occurring during the Big Bang nucleosynthesis epoch. The sensitivity of the predicted elemental abundances on e…