Author

S. Acharya

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Preprint Oct 2026

Chirality-induced spin selectivity as a nonequilibrium effect: a unified test of competing mechanisms

For two decades, the origin of Chirality-Induced Spin Selectivity (CISS), the spin polarization of electrons by nonmagnetic chiral systems without magnetic fields, has remained unsettled. Here, we establish a single exact rule defining the fundamental conditions for the effect: in nonmagnetic, time-reversal-invariant c...

S. Acharya, M. van Schilfgaarde · 1 citation

Preprint Jul 2026

Bond, orbital and spin order in d4/d6/d7 perovskite oxides: successes and limitations of foundation interatomic potentials

Foundation machine-learning interatomic potentials (MLIPs) are rapidly replacing density-functional theory (DFT) for modeling structure and nuclear dynamics, making their fidelity in strongly correlated systems an urgent question. We test three foundation potentials on the low-temperature order of three correlated, iso...

S. Acharya, D. Pashov, M. van Schilfgaarde et al. · 0 citations