Package aloha :: Module aloha_object :: Class L_Sigma
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Class L_Sigma

source code

             object --+    
                      |    
aloha_lib.LorentzObject --+
                          |
                         L_Sigma

Sigma Matrices

Nested Classes [hide private]

Inherited from aloha_lib.LorentzObject: add_class, mult_class

Instance Methods [hide private]
 
__init__(self, name, lorentz1, lorentz2, spin1, spin2)
initialization of the object with default value
source code
 
create_representation(self) source code

Inherited from aloha_lib.LorentzObject: __str__, expand, has_component

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __subclasshook__

Class Variables [hide private]
  sigma = {(0, 0, 0, 0): 0, (0, 0, 0, 1): 0, (0, 0, 0, 2): 0, (0...

Inherited from aloha_lib.LorentzObject: contract_first

Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

__init__(self, name, lorentz1, lorentz2, spin1, spin2)
(Constructor)

source code 

initialization of the object with default value

Overrides: object.__init__
(inherited documentation)

create_representation(self)

source code 
Overrides: aloha_lib.LorentzObject.create_representation

Class Variable Details [hide private]

sigma

Value:
{(0, 0, 0, 0): 0,
 (0, 0, 0, 1): 0,
 (0, 0, 0, 2): 0,
 (0, 0, 0, 3): 0,
 (0, 0, 1, 0): 0,
 (0, 0, 1, 1): 0,
 (0, 0, 1, 2): 0,
 (0, 0, 1, 3): 0,
...