Work

Local model for the optical energy and momentum transfer in dielectric media and the microscopic origin of Abraham's force density

Year: 2024

Type: article

Abstract: We report on the continuity equations for linear momentum and energy associated to a recently introduced electromagnetic formulation based on classical dipolar sources [Eur. Phys. J. Plus 138, 1034 (2023)]. When connected to the mass-polariton quasi-particle dynamics, these equations provide a consistent microscopic description of the local optical energy and momentum transfer inside dielectric media, called microscopic mass-polariton formulation. This procedure also unveils the true microscopic origin of the long-known Abraham optical force density as an interplay between induced dipoles and mechanical stresses generated within the material.

Source: Physical Review A

DOI: 10.1103/physreva.110.033513

Authors: B. Anghinoni, M. Partanen, N. G. C. Astrath

Institutions: Universidade Estadual de Maringá, Aalto University

Language: English

Topic: Quantum and Classical Electrodynamics

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Fundação Araucária, Financiadora de Estudos e Projetos

Award: G1011009802