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Why does momentum depend on inertia?

dc.contributor.authorMelia, F.
dc.date.accessioned2024-04-02T17:59:39Z
dc.date.available2024-04-02T17:59:39Z
dc.date.issued2023-10-12
dc.identifier.citationMelia, Fulvio. "Why does momentum depend on inertia?" Zeitschrift für Naturforschung A, vol. 78, no. 12, 2023, pp. 1117-1121. https://doi.org/10.1515/zna-2023-0168
dc.identifier.issn0932-0784
dc.identifier.doi10.1515/zna-2023-0168
dc.identifier.urihttp://hdl.handle.net/10150/672202
dc.description.abstractMomentum is characterized in terms of inertial mass for particles moving at less than the speed of light, but entirely in terms of their energy for those lacking inertia. Does this difference suggest a physically distinct origin of momentum in the two cases and, if so, what is actually being conserved in interactions involving both types of particle? In this paper, we consider a recently proposed gravitational origin for rest-mass energy to demonstrate that a single definition of momentum applies to all particles, massless or otherwise. When introduced into this description, inertial mass is merely a surrogate for the particle's 'free' energy, but does not imply an origin of momentum different from that of particles without mass. © 2023 the author(s), published by De Gruyter, Berlin/Boston 2023.
dc.language.isoen
dc.publisherWalter de Gruyter GmbH
dc.rights© 2023 the author(s), published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 International License.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectapparent horizon
dc.subjectcosmology
dc.subjectgravitational mass
dc.subjectinertial mass
dc.titleWhy does momentum depend on inertia?
dc.typeArticle
dc.typetext
dc.contributor.departmentDepartment of Physics, The Applied Math Program, Department of Astronomy, The University of Arizona
dc.identifier.journalZeitschrift fur Naturforschung - Section A Journal of Physical Sciences
dc.description.noteOpen access article
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
dc.eprint.versionFinal Published Version
dc.source.journaltitleZeitschrift fur Naturforschung - Section A Journal of Physical Sciences
refterms.dateFOA2024-04-02T17:59:39Z


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© 2023 the author(s), published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 International License.
Except where otherwise noted, this item's license is described as © 2023 the author(s), published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 International License.