IFLP   13074
INSTITUTO DE FISICA LA PLATA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Effective Lagrangian for spinor QED
Autor/es:
H. FALOMIR
Lugar:
Centre for Theoretical Physics and Astrophysics, Univ. of Cape Town, Sudáfrica
Reunión:
Workshop; Workshop on Non-linear Quantum Electrodynamics; 2007
Institución organizadora:
Centre for Theoretical Physics and Astrophysics, Univ. of Cape Town. Organizador: Cesáreo Dominguez.
Resumen:
Topics of these lectures: 1- Schwinger's proper time approach to the effective Lagrangian for the electromagnetic field. 2- The Zeta-function approach to the derivation of the Euclidean effective Lagrangian. 3- Renormalization and 1-loop beta-function.  4- Continuation to Minkowski space and pair production. 5- Weak-field asymptotic expansion of the effective Lagrangian. The Heisenberg - Euler Lagrangian. 6- Strong-field asymptotic expansion. 7- Polarization phenomena in electromagnetic backgrounds: Birrefringence.
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