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Phi4tools

Guides

  • Phi4tools

Tech Notes

  • Feynman Diagram Evaluation
  • Perturbative Series Generation

Symbols

  • BubbleSubdiagram
  • CountLoops
  • DeriveAndWriteExplicit
  • DrawGraph
  • ExternalMomentum
  • InformationDiagram
  • IntegrandDiagram
  • Momentum
  • MomVars
  • NComponents
  • NickelIndex
  • Propagator
  • SquareSubdiagram
  • SunsetSubdiagram
  • SymmetryFactorDiagram
  • TadSunsetSubdiagram
  • TadTriangleBubblesSubdiagram
  • TriangleSubdiagram
  • ValueDiagram
  • VisualizeDiagram
  • WriteExplicit
  • XCubicRatio
GSberveglieri`Phi4tools`
InformationDiagram
​
​
InformationDiagram
[n,v3,v4,d]
gives details about the
d
-th diagram of the
n
-point function
(n)
Γ
with
v3
cubic vertices and
v4
quartic vertices at zero external momentum.
​
​
InformationDiagram
[index]
gives the details of the diagram having a specific Nickel
index
.
​
​
InformationDiagram
[graph]
gives the details of the diagram matching the provided
graph
.
​
Details and Options

Examples  
(5)
Basic Examples  
(1)
In[1]:=
Needs["GSberveglieri`Phi4tools`"]
Get basic information about a diagram:
In[2]:=
diag=
InformationDiagram
[4,0,5,18]
Out[2]=
External Legs
4
Cubic Vertices
0
Quartic Vertices
5
List Number
18
Nickel Index
ee12|233|34|4|ee|
Diagram
Value
2
The diagram properties can be accessed through the corresponding key:
In[3]:=
diag["Nickel Index"]
Out[3]=
ee12|233|34|4|ee|
In[4]:=
diag["Value"]
Out[4]=
2
Get the properties of a diagram from an index:
In[5]:=
InformationDiagram
["1112|3|344|55|55||"]
Out[5]=
External Legs
0
Cubic Vertices
0
Quartic Vertices
6
List Number
4
Nickel Index
1112|3|344|55|55||
Diagram
Value
-0.0190368081088805
(
2
±
5
)
Get the properties of a diagram using a graph as input:
In[6]:=
InformationDiagram


Out[6]=
External Legs
4
Cubic Vertices
0
Quartic Vertices
4
List Number
4
Nickel Index
ee12|e23|33|e|
Diagram
Value
6.13722
Options  
(3)

Neat Examples  
(1)

SeeAlso
NickelIndex
 
▪
IntegrandDiagram
 
▪
SymmetryFactorDiagram
 
▪
ValueDiagram
 
▪
VisualizeDiagram
 
▪
Dataset
 
▪
Association
TechNotes
▪
Feynman Diagram Evaluation
▪
Perturbative Series Generation
RelatedGuides
▪
Phi4tools
""

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