Photon emission without quantum jumps

Fuente: arXiv
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Autores principales: Hartwell, Thomas, Hodgson, Daniel, Alshemmari, Huda, Jose, Gin, Beige, Almut
Formato: Preprint
Publicado: 2025
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author Hartwell, Thomas
Hodgson, Daniel
Alshemmari, Huda
Jose, Gin
Beige, Almut
author_facet Hartwell, Thomas
Hodgson, Daniel
Alshemmari, Huda
Jose, Gin
Beige, Almut
contents When modelling photon emission, we often assume that the emitter experiences a random quantum jump. When a quantum jump occurs, the emitter transitions suddenly into a lower energy level, while spontaneously generating a single photon. However, this point of view is misleading when modelling quantum optical systems which rely on far-field interference effects for applications like distributed quantum computing and non-invasive photonic quantum sensing. In this paper, we highlight that the dynamics of an emitter in the free radiation field can be described by simply solving a Schroedinger equation based on a locally-acting Hamiltonian without invoking the notion of quantum jumps. Our approach is nevertheless consistent with quantum optical master equations.
format Preprint
id arxiv_https___arxiv_org_abs_2509_01702
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Photon emission without quantum jumps
Hartwell, Thomas
Hodgson, Daniel
Alshemmari, Huda
Jose, Gin
Beige, Almut
Quantum Physics
When modelling photon emission, we often assume that the emitter experiences a random quantum jump. When a quantum jump occurs, the emitter transitions suddenly into a lower energy level, while spontaneously generating a single photon. However, this point of view is misleading when modelling quantum optical systems which rely on far-field interference effects for applications like distributed quantum computing and non-invasive photonic quantum sensing. In this paper, we highlight that the dynamics of an emitter in the free radiation field can be described by simply solving a Schroedinger equation based on a locally-acting Hamiltonian without invoking the notion of quantum jumps. Our approach is nevertheless consistent with quantum optical master equations.
title Photon emission without quantum jumps
topic Quantum Physics
url https://arxiv.org/abs/2509.01702