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- The University of Texas at AustinUS20 papers
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5 papers · 1 filter
Memories of my early career in relativity physics
Andrzej Trautman, Donald Salisbury
The text presented here and revised by the authors is based on the original oral history interview by Donald Salisbury with Andrzej Trautman recorded in Warsaw on June 24 and June…
Léon Rosenfeld's general theory of constrained Hamiltonian dynamics
Donald Salisbury, Kurt Sundermeyer
This commentary reflects on the 1930 discoveries of Léon Rosenfeld in the domain of phase-space constraints. We start with a short biography of Rosenfeld and his motivation for thi…
Leon Rosenfeld and the challenge of the vanishing momentum in quantum electrodynamics
Donald Salisbury
Leon Rosenfeld published in 1930 the first systematic Hamiltonian approach to Lagrangian models that possess a local gauge symmetry. The application of this formalism to theories w…
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…
Peter Bergmann and the invention of constrained Hamiltonian dynamics
D. C. Salisbury
Peter Bergmann was a co-inventor of the algorithm for converting singular Lagrangian models into a constrained Hamiltonian dynamical formalism. This talk focuses on the work of Ber…