T5 - 1d conductivity
18 Outubro 2022, 14:00 • Maria Margarida Cruz
Confinement in a gas d=2 ("Quantum point contact").
Ballistic transport.
Landauer formula for non-reflecting contacts.
Contact resistance.
Contribution of one or more sub-bands. Coherent transport through a one-dimensional conductor with a scattering center . Associated resistance.
Coherent transport through a one-dimensional conductor with two centers of dispersion. Landauer formula extended to non-reflecting contacts and presence of scattering centers.
Important lengths in the mesoscopic system.
Conclusions for the behavior of the system based on the relationship between the characteristic lengths.