Journal
PHYSICAL REVIEW B
Volume 87, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.035432
Keywords
-
Funding
- Dutch Science Foundation NWO/FOM
- Swiss SNF
- NCCR Nanoscience
- NCCR Quantum Science and Technology
Ask authors/readers for more resources
We investigate quantum transport via surface states in a nanostep junction on the surface of a three-dimensional topological insulator that involves two different side surfaces. We calculate the conductance across the junction within the scattering matrix formalism and find that as the bias voltage is increased, the conductance of the nanostep junction is suppressed by a factor of 1/3 (independent of the system parameters) as compared to the conductance of a similar planar junction based on a single surface of a topological insulator. We also calculate and analyze the Fano factor of the nanostep junction and predict that the Fano factor saturates at 1/5, five times smaller than for a Poisson process. DOI: 10.1103/PhysRevB.87.035432
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available