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Maxwell’s equations for free fields are invariant under parity Advertisements
NGC 6927, 6928, 6930 (Galaxies in Delphinus) NGC 6940 (Open cluster in Vulpecula) NGC 7080 (Barred spiral galaxy in Vulpecula)
NGC 6905 Planetary nebula in Delphinus.
Parity transformation of single particle and antiparticle states
Dirac creation and annihilation operators as Fourier transforms
Parity transformation of creation and annihilation operators
Parity and time reversal as Lorentz transformations