20.500.12556/RUL-174615 Expression for the decoherence rate due to air-molecule scattering in spatial qubits We provide an expression for the decoherence rate in spatial superpositions due to scattering or collision with air molecules which is independent of the wavelength of the air molecules. This result reproduces the short- and long-wavelength limits known in the literature. We compare the decoherence rate with several existing interpolations in the literature and evaluate the decoherence rate and experimental parameters when creating macroscopic quantum spatial superpositions (i.e., in micron-size spheres). The interpolation regime is relevant in, e.g., matter-wave interferometry, where one might switch between the wavelength limits during the experimental protocol. Finally, we consider the decoherence rate's time dependence while creating and closing the spatial superposition in an interferometer setup. quantum physics interferometry decoherence kvantna fizika interferometrija dekoherenca true false true Angleški jezik Slovenski jezik Članek v reviji 2025-10-07 10:51:52 2025-10-07 10:51:53 2025-11-25 03:42:35 0000-00-00 00:00:00 2025 0 0 Str. 042211-1-042211-9 iss. 4 Vol. 111 2025 0000-00-00 PostprintKoncna Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 53 2469-9926 10.1103/PhysRevA.111.042211 251340291 Decoherence_comparison-1.pdf Decoherence_comparison-1.pdf 1 800CAA0A1D204AF0FDE80772704EB0F0 9feec680ab284a8e95647d086a4e8a3cd8ff544cc181369d562bac69ac14730b be051029-a35a-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=219458 https://journals.aps.org/pra/abstract/10.1103/PhysRevA.111.042211 0 c6398dfa-a35a-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=219459 Fakulteta za matematiko in fiziko 0 0 0