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000602656 0247_ $$2arXiv$$aarXiv:2402.04069
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000602656 088__ $$2arXiv$$aarXiv:2402.04069
000602656 1001_ $$0P:(DE-H253)PIP1085353$$aChuchurka, Stasis$$b0$$eCorresponding author
000602656 245__ $$aHermitian stochastic methodology for x-ray superfluorescence
000602656 260__ $$c2024
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000602656 520__ $$aA recently introduced theoretical framework for modeling the dynamics of x-ray amplified spontaneous emission is based on stochastic sampling of the density matrix of quantum emitters and the radiation field, similarly to other phase-space sampling techniques. While based on first principles and providing valuable theoretical insights, the original stochastic differential equations exhibit divergences and numerical instabilities. Here, we resolve this issue by accounting the stochastic components perturbatively. The refined formalism accurately reproduces the properties of spontaneous emission and proves universally applicable for describing all stages of collective x-ray emission in paraxial geometry, including spontaneous emission, amplified spontaneous emission, and the nonlinear regime. Through numerical examples, we analyze key features of superfluorescence in a one-dimensional approximation. Importantly, single realizations of the underlying stochastic equations can be fully interpreted as individual experimental observations of superfluorescence.
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000602656 536__ $$0G:(DE-HGF)2019_IVF-HIDSS-0002$$aHIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz Graduate School for the Structure of Matter (2019_IVF-HIDSS-0002)$$c2019_IVF-HIDSS-0002$$x1
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000602656 7001_ $$0P:(DE-H253)PIP1089766$$aSukharnikov, Vladislav$$b1
000602656 7001_ $$0P:(DE-H253)PIP1010949$$aRohringer, Nina$$b2
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000602656 9141_ $$y2024
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