Some generalizations of the Foldy-Wouthuysen transformation
KM Case - Physical Review, 1954 - APS
A canonical transformation similar to that given by Foldy and Wouthuysen is obtained for the
spin zero and one theories. For free particles positive and negative charge states are …
spin zero and one theories. For free particles positive and negative charge states are …
Synthesis of covariant particle equations
LL Foldy - Physical Review, 1956 - APS
By combining two irreducible representations of the proper inhomogeneous Lorentz group,
certain irreducible unitary representations of the complete Lorentz group including space …
certain irreducible unitary representations of the complete Lorentz group including space …
Reflection properties of spin ½ fields and a universal Fermi-type interaction
CN Yang, J Tiomno - Physical Review, 1950 - APS
Reflection Properties of Spin 1/2 Fields and a Universal Fermi-Type Interaction Page 1 PH
YSICAL REVI, E% VOLUME 79, NUMBER 3 AUGUST l, l 950 Re6ection Properties of Spin q …
YSICAL REVI, E% VOLUME 79, NUMBER 3 AUGUST l, l 950 Re6ection Properties of Spin q …
Fermi decay of higher spin particles
RE Behrends, C Fronsdal - Physical Review, 1957 - APS
The explicit form for the spin projection operators introduced by Fronsdal is calculated for
arbitrary spin and applied to first-order processes involving four fermions. The matrix …
arbitrary spin and applied to first-order processes involving four fermions. The matrix …
General theory of covariant particle equations
DL Pursey - Annals of Physics, 1965 - Elsevier
A general procedure is given for constructing infinitely many systems of wave equations and
subsidiary conditions for a particle of given spin and nonzero mass. The subsidiary …
subsidiary conditions for a particle of given spin and nonzero mass. The subsidiary …
Configuration space methods in relativistic quantum field theory. I
AS Wightman, SS Schweber - Physical Review, 1955 - APS
Three notions are introduced as a help in discussing the notion of particle in relativistic
quantum field theory: particle interpretation, simple particle interpretation, and relevant …
quantum field theory: particle interpretation, simple particle interpretation, and relevant …
Wave functions for particles of higher spin
PR Auvil, JJ Brehm - Physical Review, 1966 - APS
Wave Functions for Particles of Higher Spin Page 1 PH YSICAL REVIEW VOLUME 145,
NUMBER 4 27 MAY 1966 Wave Functions for Particles of Higher Spin* PR AUvxL AND J. J …
NUMBER 4 27 MAY 1966 Wave Functions for Particles of Higher Spin* PR AUvxL AND J. J …
Quantum electrodynamics of charged particles without spin
F Rohrlich - Physical Review, 1950 - APS
Feynman's formulation of quantum electrodynamics is shown to be equivalent to the
Schwinger-Tomonaga theory also for spinless charged particles (mesons) as developed by …
Schwinger-Tomonaga theory also for spinless charged particles (mesons) as developed by …
Quantum field theory and approximate symmetries
E Fabri, LE Picasso - Physical Review Letters, 1966 - APS
the idea can be expressed as follows: There is a set of self-adjoint oper-ators, the"
charges"(space integral of local currents), obeying the commutation rules of some Lie …
charges"(space integral of local currents), obeying the commutation rules of some Lie …
Connection between particle models and field theories, I: The case spin 1/2
S Tani - Progress of Theoretical Physics, 1951 - academic.oup.com
If we neglect, in Feynman-Dyson's rule of calculation, the contributions due to all closed
loops of fermion line, we may deal with the one-particle theory for the fermion. The …
loops of fermion line, we may deal with the one-particle theory for the fermion. The …