In Ta2NiSe5, non-equilibrium electronic correlations dramatically amplify THz-driven lattice nonlinearities to enable an extreme manifold of ~30 multi-order quantum pathways sustained by a coherence-imprinted hybrid electronic-phonon order below ~100 K.
Orthorhombic-to-monoclinic transition in Ta 2NiSe5 due to a zone- center optical phonon instability.Phys
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Extreme Terahertz Nonlinear Phononics by Coherence-Imprinted Control of Hybrid Order
In Ta2NiSe5, non-equilibrium electronic correlations dramatically amplify THz-driven lattice nonlinearities to enable an extreme manifold of ~30 multi-order quantum pathways sustained by a coherence-imprinted hybrid electronic-phonon order below ~100 K.