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      openfermion.utils.amplitude_damping_channel
  
      
    
  
  
  
  
  
    
  
  
    
    
Apply an amplitude damping channel
openfermion.utils.amplitude_damping_channel(
    density_matrix, probability, target_qubit, transpose=False
)
Applies an amplitude damping channel with a given probability to the target
qubit in the density_matrix.
Args | 
density_matrix
 | 
numpy.ndarray
Density matrix of the system
  | 
probability
 | 
float
Probability error is applied p \in [0, 1]
  | 
target_qubit
 | 
int
target for the channel error.
  | 
transpose
 | 
bool
Conjugate transpose channel operators, useful for
    acting on Hamiltonians in variational channel state models
  | 
Returns | 
new_density_matrix
 | 
numpy.ndarray
Density matrix with the channel
    applied.
  | 
  
  
 
  
    
    
      
    
    
  
       
    
    
  
  
  Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
  Last updated 2025-06-06 UTC.
  
  
  
    
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