221 citations
- University of Wisconsin–MadisonUS31 papers
- Michigan Science CenterUS3 papers
- Princeton UniversityUS3 papers
- George Mason UniversityUS2 papers
- Iowa State UniversityUS2 papers
- National Institute for AstrophysicsIT2 papers
- University of ArizonaUS2 papers
- University of MichiganUS2 papers
- University of VirginiaUS2 papers
- Aix-Marseille UniversitéFR1 paper
- American Society for Radiation OncologyUS1 paper
- American Superconductor (United States)US1 paper
Showing math-phShow all
2 papers · 1 filter
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…