Field theoretical approach to quantum transmission in time-dependent potentials

Details Field theoretical approach to quantum transmission in time-dependent potentials Field theoretical approach to quantum transmission in time-dependent potentials

2011-09-24

arxiv.org/abs/1109.5285v1

Physics

Quantum Physics

28 pages, 5 figures

Scientific paper

We develop a field theoretical approach based on the temporary basis description as a tool to investigate the transmission properties of a time-driven quantum device. It employs a perturbative scheme for the calculation of the transmission of a monochromatic beam of particles through the time-dependent set-up. The main advantage of the proposed treatment is that it permits the use of the particle picture for the calculation of the scattering matrix and the transmission coefficient. Therefore the elementary physical processes contributing to the transmission can be identified and interpreted in a transparent way. We apply the method to the simple but prototype problem of transmission through an one-dimensional oscillating delta potential and we demonstrate how it enables a deep understanding of the underlying physical processes.

Affiliated with

Also associated with

No associations

Rating

Field theoretical approach to quantum transmission in time-dependent potentials does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Field theoretical approach to quantum transmission in time-dependent potentials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Field theoretical approach to quantum transmission in time-dependent potentials will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-602711