Callbacks

InstPulseCallback(tstops, pulse_update)

Builds the callback to apply instantaneous pulses during the evolution.

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Arguments

• tstops: time points to apply pulses.
• pulse_update: udpate function for the state of the system. It taks two argument pulse_update(c, i) where c is the state vector or density matrix and i is the index of the pulse being applied.

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PositivityCheckCallback()

Builds the callback to check positivity of the system density matrix during the evolution.