Parity-violating gravitational coupling of electromagnetic fields
Parthasarathi MajumdarThe Institute of Mathematical Sciences, Chennai 600 113, IndiaSoumitra SenGuptaPhysics Department, Jadavpur University, Calcutta 700 032, India
1999en
ABI
Annotatsiya
A manifestly gauge invariant formulation of the coupling of the Maxwell theory with an Einstein Cartan geometry is given, where the space time torsion originates from a massless Kalb-Ramond field augmented by suitable U(1) Chern Simons terms.We focus on the situation where the torsion violates parity, and relate it to earlier proposals for gravitational parity violation.
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