Magnetic permeability of constrained scalar QED vacuum
| dc.creator | Cougo-Pinto, M. V. | |
| dc.creator | Farina, C. | |
| dc.creator | Negrao, M. R. | |
| dc.creator | Tort, A. C. | |
| dc.date | 1998-09-30 | |
| dc.date | 1999-02-03 | |
| dc.date.accessioned | 2026-07-07T04:25:14Z | |
| dc.date.available | 2026-07-07T04:25:14Z | |
| dc.description | We compute the influence of boundary conditions on the Euler-Heisenberg effective Lagrangian scalar QED scalar for the case of a pure magnetic field. The boundary conditions constrain the quantum scalar field to vanish on two parallel planes separeted by a distance $a$ and the magnetic field is assumed to be constant, uniform and perpendicular to the planes. The effective Lagrangian is obtained using Schwinger's proper-time representation and exhibits new contributions generated by the boundary condition much in the same way as a material pressed between two plates exhibits new magnetic properties. The confined bosonic vacuum presents the expected diamagnetic properties and besides the new non-linear $a$-dependent contributions to the susceptibility we show that there exists also a new $a$-dependent contribution for the vacuum permeability in the linear approximation. | |
| dc.description | 11 pages, revised and up dated version | |
| dc.identifier | https://arxiv.org/abs/hep-th/9809216 | |
| dc.identifier | http://arxiv.org/abs/hep-th/9809216 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/55688 | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | Magnetic permeability of constrained scalar QED vacuum | |
| dc.type | text |