symmetry

symmetry specifies the symmetry sector of the studied system. It can be used to reduce the cost of exact diagonalization and project the wave function into certain symmetry sectors.

Main class

Symmetry

Symmetry of the system.

Common symmetries

Identity()	Identity symmetry (no additional symmetry)
SpinInverse([eigval])	Spin inverse symmetry for both spin-1/2 and spinful fermion systems.
ParticleHole([eigval])	Particle-hole symmetry for fermion systems
Translation(vector[, sector])	Translation symmetry
TransND([sector])	N-dimensional translation symmetry
Trans1D([sector])	1D translation
Trans2D([sector])	2D trnaslation
Trans3D([sector])	3D translation
LinearTransform(matrix[, sector, eigval])	The symmetry generated by a linear transformation to the lattice
Flip([axis, sector])	Flip the lattice in a spatial dimension
Rotation(angle[, axes, sector, eigval])	Rotation symmetry
C4v([repr])	C4v symmetry group
D6([repr])	D6 symmetry group