Integration parameters

• Timestep $<$ $dt$ $>$
  Acceptable Values: positive real values
  Default Value: 0.001
  Description: Specifies the RK4 integration timestep in ps (also used as initial RKF45 timestep.
  Example line(s):
  Timestep=0.001
  
• Time $<$ $t$ $>$
  Acceptable Values: positive real values
  Default Value: 0
  Description: Specifies time in ps to integrate HEOM to.
  Example line(s):
  Time=1.0
  
• RKF45mindt $<$ $dt_{min}$ $>$
  Acceptable Values: positive real values
  Default Value: 1e-6
  Description: Specifies minimum timestep in ps to use in adaptive RKF45 integration.
  Example line(s):
  RKF45mindt=1e-5
  
• RKF45tolerance $<$ $\delta_I$ $>$
  Acceptable Values: positive real values
  Default Value: 1e-6
  Description: Specifies integration tolerance for adaptive RKF45 integration.
  Example line(s):
  RKF45tolerance=1e-4
  
• FilterTolerance $<$ $\delta_F$ $>$
  Acceptable Values: positive real values
  Default Value: 1e-6
  Description: Specifies filter tolerance for adaptive hierarchy truncation.
  Example line(s):
  FilterTolerance=1e-3