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quant-ph2026
Strong coupling of virtual negative states in the Kapitza-Dirac effect
Qianlong Wang, Sven Ahrens, Baifei Shen
Negative states are an intrinsic property of relativistic quantum theory and related to anti-particles in the context of the Dirac sea concept. We show that negative states can dom…
quant-ph2025
Gravitational photon echo
Wen-Te Liao, Sven Ahrens
The generation, controls, and storage of the gravitationally induced photon echo using the 8.4 eV Thorium-229 nuclear clock transition on Earth are theoretically investigated. With…
quant-ph2024
Perturbative solution approach for computing the two-photon Kapitza-Dirac effect in a Gaussian beam standing light wave
Sven Ahrens, Chong Zhang, Ping Ge +2
Theoretical spin properties of the Kapitza-Dirac effect beyond the plane-wave description are not known in detail. We develop a method for computing electron diffraction of the two…