Selected Papers of Hiroomi Umezawa |
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85 pages matching quantum electrodynamics in this book
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Contents
Summary of Hiroomi Umezawas work | 3 |
20 | 42 |
Some General Formulae Relating to Vacuum Polarization | 63 |
25 other sections not shown
Common terms and phrases
Alberta Arimitsu Bogoliubov transformation boson C-meson c-number canonical charged coefficient commutation relations consider coupling constant defined degrees of freedom denote density dependent derived dissipative divergence dynamical map effect electron elementary particles energy equation equilibrium expectation value fermion Feynman diagram finite temperature Fock space formalism gauge given Goldstone Green's function Hamiltonian Heisenberg fields Heisenberg operators interaction representation introduce invariant Kamefuchi Lagrangian magnetic field mass massless matrix Matsumoto meson method momentum NETFD non-equilibrium obtain paper parameter perturbation calculation phase photon Phys physical Prog propagator quantities quantum field theory quasi-particle renormalization result satisfies scalar self-consistent self-energy spin spontaneous structure superconductors superoperators symmetry Tachiki Takahashi thermal state condition thermal vacuum thermo field dynamics tilde conjugation time-dependent tion Umezawa unperturbed vacuum expectation value vacuum polarization vector zero