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gr-qc2007
A generalized Schroedinger equation for loop quantum cosmology
D. C. Salisbury, A. Schmitz
A temporally discrete Schroedinger time evolution equation is proposed for isotropic quantum cosmology coupled to a massless scalar source. The approach employs dynamically determi…
physics.hist-ph2007★ 12 cited
Rosenfeld, Bergmann, Dirac and the Invention of Constrained Hamiltonian Dynamics
D. C. Salisbury
In a paper appearing in Annalen der Physik in 1930 Leon Rosenfeld invented the first procedure for producing Hamiltonian constraints. He displayed and correctly distinguished the v…