Package aloha :: Module aloha_lib :: Class LorentzObject

Class LorentzObject

object --+    
         |    
  Variable --+
             |
            LorentzObject

Known Subclasses:

A symbolic Object for All Helas object. All Helas Object Should derivated from this class

Nested Classes

[hide private]

mult_class
Specific class for LorentzObject Multiplication

add_class
A list of Variable/ConstantObject/...

Inherited from Variable: VariableError

Instance Methods

[hide private]

__init__(self, lorentz_indices, spin_indices, prefactor=1, other_indices=[], variable='')
initialization of the object with default value source code

__pow__(self, power)
definition of an auto-contracted object

source code

copy(self)
return a shadow copy of the object.

source code

expand(self)
Expand the content information into LorentzObjectRepresentation.

source code

create_representation(self)

source code

__eq__(self, obj)
redifine equality

source code

has_component(self, lor_list, spin_list)
check if this Lorentz Object have some of those indices

source code

Inherited from Variable: __add__, __div__, __iadd__, __mul__, __radd__, __rdiv__, __repr__, __rmul__, __rsub__, __rtruediv__, __str__, __sub__, __truediv__, factorize, simplify

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