Columbia subject headings:
Scattering (Physics)
Schrödinger operator.
Spectral theory (Mathematics)
Two-body problem.
Harvard subject headings:
Scattering (Physics)
Schrödinger operator.
Spectral theory (Mathematics)
Two-body problem.
Princeton subject headings:
Scattering (Physics)
Schrödinger operator.
Spectral theory (Mathematics)
Two-body problem.