Package aloha :: Module aloha_object
[hide private]
[frames] | no frames]

Module aloha_object

source code

Classes [hide private]
  L_P
Helas Object for an Impulsion
  P
Helas Object for an Impulsion
  L_PSlash
Gamma Matrices
  PSlash
  L_Mass
Helas Object for a Mass
  Mass
  L_Coup
Helas Object for a Mass
  Coup
  L_FCT
Helas Object for a Mass
  FCT
  L_OverMass2
Helas Object for 1/M**2
  OverMass2
  L_Width
Helas Object for an Impulsion
  Width
  L_Param
Object for a Model Parameter
  Param
  L_Scalar
Helas Object for a Spinor
  Scalar
  L_Spinor
Helas Object for a Spinor
  Spinor
Helas Object for a Spinor
  L_Vector
Helas Object for a Vector
  Vector
  L_Spin3Half
Helas Object for a Spin2
  Spin3Half
  L_Spin2
Helas Object for a Spin2
  Spin2
  L_Gamma
Gamma Matrices
  Gamma
  L_Sigma
Sigma Matrices
  Sigma
  L_Gamma5
A symbolic Object for All Helas object.
  Gamma5
  L_C
A symbolic Object for All Helas object.
  C
  L_Epsilon
The fully anti-symmetric object in Lorentz-Space
  Epsilon
  L_Metric
A symbolic Object for All Helas object.
  Metric
  L_Identity
A symbolic Object for All Helas object.
  Identity
  L_IdentityL
A symbolic Object for All Helas object.
  IdentityL
  L_ProjM
A object for (1-gamma5)/2
  ProjM
  L_ProjP
A object for (1+gamma5)/2
  ProjP
  DenominatorPropagator
The Denominator of the Propagator
Functions [hide private]
 
give_sign_perm(perm0, perm1)
Check if 2 permutations are of equal parity.
source code
 
SpinorPropagatorout(spin1, spin2, particle) source code
 
SpinorPropagatorin(spin1, spin2, particle) source code
 
VectorPropagator(l1, l2, part) source code
 
VectorPropagatorMassless(l1, l2, part) source code
 
Spin3halfPropagatorin(mu, nu, s1, s2, part) source code
 
Spin3halfPropagatorout(mu, nu, s1, s2, part) source code
 
Spin3halfPropagatorMasslessOut(mu, nu, s1, s2, part) source code
 
Spin3halfPropagatorMasslessIn(mu, nu, s1, s2, part) source code
 
Spin2masslessPropagator(mu, nu, alpha, beta) source code
 
Spin2Propagator(mu, nu, alpha, beta, part) source code
Variables [hide private]
  __package__ = 'aloha'
Function Details [hide private]

give_sign_perm(perm0, perm1)

source code 

Check if 2 permutations are of equal parity.

Assume that both permutation lists are of equal length and have the same elements. No need to check for these conditions.