sublattice

/suhb-lat-is/US // ˈsʌbˌlæt ɪs //

子点阵,子网格,子点阵图,子图

Definitions

n.名词 noun

1
Mathematics.
- : a set of elements of a lattice, in which each subset of two elements has a least upper bound and a greatest lower bound contained in the given set.

Since bilayer graphene has two layers, it has four sublattices, but the sublattices with the same magnetic charge act as one.
Key to the skyrmion story is the 180-degree rotational symmetry that dictates electron transfers between the triangular sublattices.
Specifically, electrons on one sublattice appeared to feel a positive magnetic field while electrons on the other sublattice felt a negative one.