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Open Quantum Systems Decoherence
Relativistic Tunneling Through Two Successive Barriers
arXiv
Authors: José T. Lunardi, Luiz A. Manzoni
Year
2007
Paper ID
49266
Status
Preprint
Abstract Read
~2 min
Abstract Words
111
Citations
N/A
Abstract
We study the relativistic quantum mechanical problem of a Dirac particle tunneling through two successive electrostatic barriers. Our aim is to study the emergence of the so-called Generalized Hartman Effect, an effect observed in the context of nonrelativistic tunneling as well as in its electromagnetic counterparts, and which is often associated with the possibility of superluminal velocities in the tunneling process. We discuss the behavior of both the phase (or group) tunneling time and the dwell time, and show that in the limit of opaque barriers the relativistic theory also allows the emergence of the Generalized Hartman Effect. We compare our results with the nonrelativistic ones and discuss their interpretation.
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- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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- We study the relativistic quantum mechanical problem of a Dirac particle tunneling through two successive electrostatic barriers.
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