feynlag.groups.discrete.ZN

class feynlag.groups.discrete.ZN(name, N)

Cyclic group Z_N: irrep k acts as φ → ω^k φ, ω = e^{2πi/N}.

Assign with the integer charge: Z2.assign(1, H2) for H2 → -H2.

__init__(name, N)

Methods

__init__(name, N)
assign(irrep, *multiplet)	Assign a field multiplet to an irrep.
components()	All component symbols across every assigned multiplet.
fermion_generator_data()	Per-generator transform data for fermion multiplets.
generator_maps()	Substitution dicts, one per group generator, over all assignments.
rep_dim(irrep)

Attributes

irreps
assignments	list of (irrep_label, tuple_of_multiplet_members)