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R. Littlejohn

21 papers hereh-index 314.5k citations102 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author4
  • middle author11
  • last author6

Across the 21 of 21 papers where every author was matched, so the position is known.

fields
  • physics.chem-ph10
  • math-ph6
  • quant-ph3
  • gr-qc1
  • physics.atm-clus1
same name
  • R. Littlejohn — 1 paper, h 1

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
19982023
most citedSemiclassical Mechanics of the Wigner 6j-Symbol

56 citations · 352 across the 21 of their papers we have counts for

collaborators
Showing 1999 · physics.chem-phShow all

2 papers · 2 filters

physics.chem-ph1999★ 14 cited

Kinematic Orbits and the Structure of the Internal Space for Systems of Five or More Bodies

Kevin A. Mitchell, Robert G. Littlejohn

The internal space for a molecule, atom, or other n-body system can be conveniently parameterised by 3n-9 kinematic angles and three kinematic invariants. For a fixed set of kinema…

physics.chem-ph1999★ 10 cited

Boundary Conditions on Internal Three-Body Wave Functions

Kevin A. Mitchell, Robert G. Littlejohn

For a three-body system, a quantum wave function Ψmℓ​ with definite ℓ and m quantum numbers may be expressed in terms of an internal wave function χkℓ​ which is…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.