pith:OUVW5RB7
Tracking doublon-holon dynamics in high-harmonic generation from Mott insulators
Mott insulators exhibit a filling-dependent crossover in high-harmonic generation from intraband Bloch response at low density to interband doublon-holon processes near half filling.
arxiv:2605.01388 v1 · 2026-05-02 · physics.optics
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Claims
A filling-dependent crossover emerges: Bloch-like intraband response at dilute filling, mixed dynamics at intermediate filling, and interband-dominated HHG with plateau and cutoff near half filling. In the considered parameter range, increasing interaction strength U strongly suppresses interband contributions through the enlarged Mott gap and correlation-induced localization.
The one-dimensional Hubbard chain with exact diagonalization and time-dependent density-matrix propagation sufficiently captures the essential physics of real three-dimensional Mott insulators under strong laser driving.
In the 1D Hubbard model, HHG crosses over from Bloch-like intraband at low filling to interband-dominated with plateau near half filling, with stronger U suppressing interband contributions via the Mott gap.
References
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| First computed | 2026-07-01T00:17:11.564804Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
752b6ec43fb7b51d2af18e130a8cda7cbd0e865d80fb03c933d2e2eb43f3e46c
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curl -sH 'Accept: application/ld+json' https://pith.science/pith/OUVW5RB7W62R2KXRRYJQVDG2PS \
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Canonical record JSON
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