Adjoint-State Identifiability of Piezo-Tunable Valley Splitting in 2D Magnetic Heterostructures

arXiv:2610.07179 · cond-mat.mes-hall, cond-mat.mtrl-sci, physics.app-ph, physics.comp-ph · Submitted 2026-10-05 · Read on arXiv

cond-mat.mes-hall, cond-mat.mtrl-sci, physics.app-ph, physics.comp-ph

Submitted: 2026-10-05

Updated: 2026-10-05

Comments: 15 pages, 8 figures, 3 tables (including Supplementary Material). Custom adjoint-state codes and simulation dataset are available at https://doi.org/10.5281/zenodo.22850138

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fisher Information — 12× in this paper · explained in 4 episodes
• Valley Splitting — 12× in this paper · explained in 2 episodes
• Berry Curvature — 6× in this paper · explained in 5 episodes
• Inverse Problem — 6× in this paper · explained in 2 episodes
• Parameter Identifiability — 5× in this paper · explained in 2 episodes
• Trace — 5× in this paper · explained in 2 episodes
• Ab Initio — 3× in this paper · explained in 1 episode
• Alignment — 3× in this paper
• Degeneracy — 3× in this paper · explained in 4 episodes
• Anisotropy — 1× in this paper · explained in 4 episodes
• Calibration — 1× in this paper · explained in 9 episodes
• Computational overhead — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Convergence Guarantees — 1× in this paper · explained in 3 episodes
• Effective Hamiltonian — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Robustness — 1× in this paper · explained in 6 episodes
• Symmetry Breaking — 1× in this paper · explained in 4 episodes

Sources

• Strain-tunable multipiezo effects in Janus monolayer Cr2SSe: Selective reversal of valley polarization and single-spin-channel anomalous valley Hall effect
• Controlled Curie temperature, magnetocrystalline anisotropy, and valley polarization in 2D ferromagnetic Janus 2H-VSeS monolayer

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