Matchete`
Matchete`

DefineFlavorIndex

DefineFlavorIndex[name,dimension]

defines a new type of flavor index with given name and dimension.

Details and Options

  • The name must be an undefined symbol, whereas dimension can be either a positive integer or a symbol.
  • The following options can be given:
  • IndexAlphabet NoneIndexAlphabet can be used to specify an alphabet which should be used when displying indices (with canonical labels) of this type using NiceForm.

Examples

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Basic Examples  (1)

Define a flavor index type with three different flavors:

By default the canonic index labels d$$1,d$$2,d$$3,... print as x,y,z,... when using NiceForm:

Flavor index Delta can be contracted using Contract:

Scope  (1)

Flavor indices can be defined with a symbol for their dimension:

Options  (1)

IndexAlphabet  (1)

This option can be used to specify how canonic indices of this type should be displayed using NiceForm: