qcd_ml Datatypes

qcd_ml uses torch tensors to store an manipulate all matrices and fields. All data is in double precision unless explicitly marked as half precision.

• All fields have x, y, z, t as the first four indices.

• SU(3) matrices are 3,3 matrices.

• Spin matrices are 4,4 matrices.

• Spin-color vectors have indices s,g where s is the spin index and g is the gauge index.

• A gauge transformation V is a SU(3) field.