Derives perturbative expressions for layer-resolved in-plane displacements from continuum elasticity in moiré heterobilayers and predicts a buckling instability near alignment driven by compressive strain.
For example, we defined 11 u∥ 1,0 =u ∥ 1eiα∥ 1,u ⊥ 1,0 =u ⊥ 1 eiα⊥ 1 , and similarly for the center-of-mass displacement
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Lattice Relaxation in Moir\'e Heterobilayers
Derives perturbative expressions for layer-resolved in-plane displacements from continuum elasticity in moiré heterobilayers and predicts a buckling instability near alignment driven by compressive strain.