Symmetric Angular Momentum Coupling, the Quantum Volume Operator and the 7-spin Network: A Computational Perspective

  • Dimitri Marinelli
  • Annalisa Marzuoli
  • Vincenzo Aquilanti
  • Roger W. Anderson
  • Ana Carla P. Bitencourt
  • Mirco Ragni
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8579)


A unified vision of the symmetric coupling of angular momenta and of the quantum mechanical volume operator is illustrated. The focus is on the quantum mechanical angular momentum theory of Wigner’s 6j symbols and on the volume operator of the symmetric coupling in spin network approaches: here, crucial to our presentation are an appreciation of the role of the Racah sum rule and the simplification arising from the use of Regge symmetry. The projective geometry approach permits the introduction of a symmetric representation of a network of seven spins or angular momenta. Results of extensive computational investigations are summarized, presented and briefly discussed.


Angular Momentum Volume Operator Projective Geometry Semiclassical Limit Spin Network 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Dimitri Marinelli
    • 1
  • Annalisa Marzuoli
    • 2
    • 3
  • Vincenzo Aquilanti
    • 4
    • 5
  • Roger W. Anderson
    • 6
  • Ana Carla P. Bitencourt
    • 7
  • Mirco Ragni
    • 7
  1. 1.Dipartimento di FisicaUniversità degli Studi di PaviaItaly
  2. 2.INFNSezione di PaviaItaly
  3. 3.Dipartimento di Matematica “F Casorati”Università degli Studi di PaviaItaly
  4. 4.Dipartimento di Chimica, Biologia e BiotecnologieUniversità di PerugiaItaly
  5. 5.Instituto de FísicaUniversidade Federal da BahiaBrasil
  6. 6.Department of ChemistryUniversity of CaliforniaSanta CruzU.S.A.
  7. 7.Departamento de FísicaUniversidade Estadual de Feira de SantanaBrazil

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