a model with orbital degeneracy, on the honeycomb lattice for S = 1 and effective L = 1, which supports fluctuating Haldane chains (subtended by “orbital loops”, i.e. closed strings of bonds with large orbital overlap), a Haldane chain-based SPT, as well as a hexagon Haldane...
Example 2: Looping Over Character Vectors It is very important to understand that for-loops in R do not iterate overregular sequences, but over acollection of objects. For that reason, we are able to loop through vectors of character strings. Let’s do an example in R! First, we have ...