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Feynman's Branes and Feynman's Oscillators
Y. S. Kim, Marilyn E. Noz
Based on Feynman's lifetime efforts on quantum mechanics and relativity, it is concluded that the basic difference between field theory and string theory is that field theory is ba…
Lorentz Group in Feynman's World
Y. S. Kim, Marilyn E. Noz
R. P. Feynman was quite fond of inventing new physics. It is shown that some of his physical ideas can be supported by the mathematical instruments available from the Lorentz group…
Two-pearl Strings: Feynman's Oscillators
Y. S. Kim
String models are designed to provide a covariant description of internal space-time structure of relativistic particles. The string is a limiting case of a series of massive beads…
Lorentz Covariance and Internal Space-time Symmetry of Relativistic Extended Particles
Y. S. Kim
The difference between Lorentz invariance and Lorentz covariance is discussed in detail. A covariant formalism is developed for the internal space-time symmetry of extended particl…
Lorentz Boosts as Squeeze Transformations and Coherence Problems
D. Han, Y. S. Kim
The quark model and the parton model are known to be two different manifestations of the same covariant entity. However, the interaction amplitudes of partons are incoherent while…