
Nonlinear Poisson eq. convergence issue for selfconsistent calculation in NEGF
Closed  Responses: 0
Hi,
I was working on Prof. S. Datta's code (https://nanohub.org/resources/19564) for 1D diode. I find the convergence rate is highly sensitive to the initial guess, although...
https://nanohub.org/answers/question/1888

Issue in obtaining solution of Poisson eq. for selfconsistent calculation in NEGF
Closed  Responses: 1
Hi,
I’ve been working on an exercise matlab code posted by Prof. S. Datta.
( https://nanohub.org/answers/question/1383

Which tool can I use to simulate RITD?
Closed  Responses: 0
https://nanohub.org/answers/question/1359

What can be done with help on NEGF formalism as final year BSc project?
Closed  Responses: 0
I have been studying the nanoelectronics lectures by Dr. Supriyo Datta & also followed his NanohubU...
https://nanohub.org/answers/question/1073

How to consider electronphoton interaction w/o using selfenergy?
Closed  Responses: 0
Hi,
In negf, interactions are considered as selfenergies. For electronphoton interaction, a perturbation Hamiltonian is derived and then selfenergy is found using coupledfield theory. Now,...
https://nanohub.org/answers/question/799

how do we impose G
Open  Responses: 1
According to KadanoffBaym book, formula (22), one has:
= i G
https://nanohub.org/answers/question/254

NEGF Formulism Question
Open  Responses: 1
Hi,
I’m not too familiar with the NEGF formalism. But had a very basic question.
I’ve read that NEGF can be viewed as a “Quantum Boltzmann Equation”. When...
https://nanohub.org/answers/question/8

Timedependent NEGF
Open  Responses: 1
In the timedependent NEGF equation, given a sigma_in(t,t’) due to the dot, I am getting
an IV equation that is making it difficult for me to group terms. For instance, looking at...
https://nanohub.org/answers/question/6

Quantum dots
Open  Responses: 1
What I want to do is building an aluminum quantum dot coupled to
aluminum leads to observe Coulomb Blockade. To form the tunnel barriers
we oxidize the Al in a plasma without any detailed...
https://nanohub.org/answers/question/2