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A Novel Approach to Parameter Determination of the Continuous Spontaneous Localization Collapse Model

Entropy 25, 295 (2023)

Kristian Piscicchia et al.

Models of dynamical wave function collapse consistently describe the breakdown of the quantum superposition with the growing mass of the system by introducing non-linear and stochastic modifications to the standard Schrödinger dynamics. Among them, Continuous Spontaneous Localization (CSL) was extensively investigated both theoretically and experimentally. Measurable consequences of the collapse phenomenon depend on different combinations of the phenomenological parameters of the model—the strength 𝜆 and the correlation length 𝑟𝐶—and have led, so far, to the exclusion of regions of the admissible (𝜆−𝑟𝐶) parameters space. We developed a novel approach to disentangle the 𝜆 and 𝑟𝐶 probability density functions, which discloses a more profound statistical insight.


Project manager
Irene Spagnul
Department of Physics
University of Trieste


Co-funded by the European Commission’s
Horizon Europe Programme under GA 101046973

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