Equation 4 · Part 1 · A Strained Crystal Is a Designer Spacetime
Symbol W
What this part means
W is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
W is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol W→Article meaning
The passage around this formula
…statement as a single Hamiltonian, fixing the Fermi velocity , the Pauli matrices acting on the electron’s internal degree of freedom, the momentum-space shift , and the tilt vector W(x) :
Learn the underlying idea
A function assigns an output to each allowed input. The expression f(x) means “apply f to x”.
Open the illustrated functions: inputs become outputs guide →
See this notation across published equations →
Sources cited in the article section
These citations provide research context; check each source for the exact claim it supports.