User Tools

Site Tools


qcl:input_file

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
qcl:input_file [2022/05/09 21:27]
takuma.sato [Electromagnetic modes]
qcl:input_file [2023/01/05 10:07] (current)
thomas.grange [Scattering processes]
Line 417: Line 417:
  
 === Optical phonons === === Optical phonons ===
-(optional) Sometimes it might be useful to investigate the influence of the longitudinal-optical (LO) phonon interaction ​in more detail+(optional) Sometimes it might be useful to investigate the influence of the longitudinal-optical (LO) phonon interaction ​on the full NEGF simulation
-Then one can artificially tune the coupling ​strength due to LO phonons. +Then one can artificially tune the LO-phonon scattering rates (self-energies in practice, or equivalently the square of  ​the coupling to LO-phonons)
-The microscopic value of the LO phonon ​coupling strength ​is then multiplied by the scaling factor ''<​LO_Phonon_Coupling_Strength>''​.+The microscopic value of the square ​of the LO phonon ​matrix element ​is then multiplied by the scaling factor ''<​LO_Phonon_Coupling_Strength>''​.
 <​code>​ <​code>​
    <​Tune_LO_Phonon_Scattering>​yes</​Tune_LO_Phonon_Scattering>​    <​Tune_LO_Phonon_Scattering>​yes</​Tune_LO_Phonon_Scattering>​
Line 428: Line 428:
                            <​!-- 1.0 is the value of the normal calculation -->                            <​!-- 1.0 is the value of the normal calculation -->
 </​code>​ </​code>​
 +A value of 1.0 will have no effect, while larger (smaller) values will increase (decrease) the LO-phonon self-energy proportionally respectively.
  
 === Charged impurities === === Charged impurities ===
qcl/input_file.txt · Last modified: 2023/01/05 10:07 by thomas.grange