Towards relativistic generalization of collapse models

Fuente: arXiv
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Autori principali: Gundhi, Anirudh, Diósi, Lajos, Carlesso, Matteo
Natura: Preprint
Pubblicazione: 2025
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author Gundhi, Anirudh
Diósi, Lajos
Carlesso, Matteo
author_facet Gundhi, Anirudh
Diósi, Lajos
Carlesso, Matteo
contents Spontaneous collapse models provide a possible, testable solution to the quantum measurement problem. While experiments are providing increasingly stronger bounds on their parameters, a full-fledged relativistic extension is still missing. Previous attempts have encoutered different obstacles, such as violation of microcausality, infinite energy rate, and particle production from vacuum. Here, we propose generalization of the collapse master equation that is characterized by a local field collapse operator and a non-Markovian noise with a Lorentz invariant correlation. Our construction is able to overcome previously encountered problems and has the desirable properties in the non relativistic limit. A specific choice of the noise correlation function is also introduced and discussed.
format Preprint
id arxiv_https___arxiv_org_abs_2507_06954
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Towards relativistic generalization of collapse models
Gundhi, Anirudh
Diósi, Lajos
Carlesso, Matteo
Quantum Physics
Spontaneous collapse models provide a possible, testable solution to the quantum measurement problem. While experiments are providing increasingly stronger bounds on their parameters, a full-fledged relativistic extension is still missing. Previous attempts have encoutered different obstacles, such as violation of microcausality, infinite energy rate, and particle production from vacuum. Here, we propose generalization of the collapse master equation that is characterized by a local field collapse operator and a non-Markovian noise with a Lorentz invariant correlation. Our construction is able to overcome previously encountered problems and has the desirable properties in the non relativistic limit. A specific choice of the noise correlation function is also introduced and discussed.
title Towards relativistic generalization of collapse models
topic Quantum Physics
url https://arxiv.org/abs/2507.06954