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Suppression of Bragg Scattering by Collective Interference of Spatially Ordered Atoms with a High-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Q</mml:mi></mml:math>Cavity Mode

Suppression of Bragg Scattering by Collective Interference of Spatially Ordered Atoms with a High-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Q</mml:mi></mml:math>Cavity Mode

When $N$ driven atoms emit in phase into a high-$Q$ cavity mode, the intracavity field generated by collective scattering interferes destructively with the pump driving the atoms. Hence atomic fluorescence is suppressed and cavity loss becomes the dominant decay channel for the whole ensemble. Microscopically, 3D light-intensity minima are formed …