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Quantum Electrodynamics in Solids
Author(s) -
Matsumoto H.,
Semenoff G.,
Umezawa H.,
Tachiki M.
Publication year - 1980
Publication title -
fortschritte der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.469
H-Index - 71
eISSN - 1521-3978
pISSN - 0015-8208
DOI - 10.1002/prop.19800280202
Subject(s) - propagator , physics , gauge theory , electromagnetic field , photon , boson , quantum field theory , classical electromagnetism , realization (probability) , quantum electrodynamics , maxwell's equations , introduction to gauge theory , transformation (genetics) , field (mathematics) , quantum mechanics , mathematics , statistics , biochemistry , chemistry , pure mathematics , gene
A quantum field theoretical treatment of electromagnetic fields in solid is presented. The photon propagator is obtained when the current‐current correlation function is given. From the relations among matrix elements which are a consequence of the local gauge invariance of the theory, the classical Maxwell equations are derived by means of the boson transformation which is the mathematical realization of a boson condensation. The relation of the microscopic functions to the phenomenological quantities is presented.