Abstract
We consider the bending of light by nonlinear electrodynamics whenthe magnetic field B exceeds the critical value Bc = m2c2/eℏ = 4.4 × 109T. Using the index of refractionderived from the analytic series representation in one-loopeffective action of QED, we found the trajectory and the bendingangle of light in geometric optics. The angle bent by ultra-strongmagnetic field of magnetar was estimated and compared with thegravitational bending. The result may be useful in studying thelensing, birefringence, and other nonlinear quantum electrodynamiceffects above Bc.
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