Eur. Phys. J. C (2007) 51: 241-247
https://doi.org/10.1140/epjc/s10052-007-0297-4

Regular Article - Theoretical Physics

Dirac equation studies in the tunneling energy zone

¹ Department of Applied Mathematics, State University of Campinas, PO Box 6065, SP 13083-970, Campinas, Brazil
² Department of Physics, INFN, University of Lecce, PO Box 193, 73100, Lecce, Italy

^* e-mail: deleo@ime.unicamp.br

Received: 22 September 2006
Revised: 1 February 2007
Published online: 1 June 2007

Abstract

We investigate the tunneling zone V₀-m<E<V₀+m for a one-dimensional potential in the Dirac equation. We find the appearance of superluminal transit times, akin to the Hartman effect.