Quantum noise in three-dimensional BEC interferometry
B. Opanchuk, M. Egorov, S. Hoffmann, A. Sidorov, P. D. Drummond
TL;DR
This paper presents a theoretical framework for analyzing quantum fluctuations and squeezing in a 3D Bose-Einstein condensate interferometer, accounting for multi-mode spatial dynamics and nonlinear losses.
Contribution
It introduces a stochastic Wigner-based approach that models quantum noise in a complex, multi-mode BEC interferometry system with nonlinear effects.
Findings
Quantifies quantum noise and squeezing in 3D BEC interferometers.
Provides a multi-mode spatial evolution model for BEC dynamics.
Incorporates nonlinear losses into quantum fluctuation analysis.
Abstract
We develop a theory of quantum fluctuations and squeezing in a three-dimensional Bose-Einstein condensate atom interferometer with nonlinear losses. We use stochastic equations in a truncated Wigner representation to treat quantum noise. Our approach includes the multi-mode spatial evolution of spinor components and describes the many-body dynamics of a mesoscopic quantum system.
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