Polarization in electrostatics and circuits: Computing and visualizing surface charge distributions

Autor:	Ruth W. Chabay, Bruce Sherwood
Rok vydání:	2019
Předmět:	Surface (mathematics) Physics Field (physics) Electric field General Physics and Astronomy Electrical element Surface charge Electrostatics Computational physics Conductor Electronic circuit
Zdroj:	American Journal of Physics. 87:341-349
ISSN:	1943-2909 0002-9505
DOI:	10.1119/1.5095939
Popis:	In electrostatic situations and in steady-state circuits, charges on the surface of a conductor contribute significantly to the net electric field inside the conductor. These charges build up quickly due to transient currents that are initiated by the presence of external charged objects or objects such as batteries that maintain a charge separation. We describe an algorithm for computing the detailed surface charge distributions in equilibrium electrostatic situations and in steady-state DC circuits, and discuss the results of our computations of surface charge distributions for several systems. The results show that in simple DC circuit geometries a roughly constant gradient of surface charge plays a dominant role in establishing the net field inside circuit elements. Three-dimensional visualization contributes to new insights into surface charge distributions on circuit elements.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7012d1954bc732681e5d0f6af294b8b1 https://doi.org/10.1119/1.5095939 Zobrazit plný text záznamu