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High-gain quantum free-electron laser: long-time dynamics and requirements

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arxiv 2103.13260 v1 pith:EWGVAZ76 submitted 2021-03-24 quant-ph physics.acc-phphysics.optics

High-gain quantum free-electron laser: long-time dynamics and requirements

classification quant-ph physics.acc-phphysics.optics
keywords quantumdifferentdynamicsfieldfree-electronhigh-gaininitiallaser
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We solve the long-time dynamics of a high-gain free-electron laser in the quantum regime. In this regime each electron emits at most one photon on average, independently of the initial field. In contrast, the variance of the photon statistics shows a qualitatively different behavior for different initial states of the field. We find that the realization of a seeded Quantum FEL is more feasible than self-amplified spontaneous emission.

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