General & Applied Physics · Physics & Astronomy
Optics
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427 papers, from 31 August 2026 to 5 November 2026: 369 arXiv preprints and 58 OpenAlex records.
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Newest papers, page 22
Terahertz Control of Optical Second-Harmonic Generation in Displacive Ferroelectrics: Electronic Bloch-State Reconstruction
Optical second-harmonic generation (SHG) is a powerful probe of ferroelectric order, yet its microscopic origin and dynamical control are often understood primarily from symmetry considerations…Dark exciton signatures in the infrared transient absorption of MoS$_2$ monolayer
Dark excitons play a central role in the nonequilibrium dynamics of two-dimensional semiconductors, but remain difficult to characterize.Supermoiré Reconstruction and Topological Mosaics in Twisted Trilayer WSe$_2$ and MoTe$_2$
We investigate lattice relaxation and band structures of helical and alternating twisted trilayer WSe$_2$ and MoTe$_2$ using machine-learning force fields and large-scale ab initio calculations.Foreknowledge and Free Will Revisited
The apparent incompatibility between foreknowledge and free will is traditionally formulated in terms of the implication of knowledge of a future event for the freedom of that event.Cryogenic Enhancement of Electron Spin Polarization from a Strained GaAs/GaAsP Superlattice Photocathode
We report electron spin polarization of 95.0 +/- 0.8 (stat) +/- 2.4 (sys)% from a strained GaAs/GaAsP superlattice photocathode grown by metalorganic chemical vapor deposition (MOCVD) and cooled to…Data and code for: Fermi-Level Metal-d Character of Group-6 Bis-Hexahapto Bilayer Graphene
Calculation, analysis and figure sources for arXiv:2609.00083, together with every machine-readable record the reported numbers are rebuilt from.AdaptNTK: Adaptive Uncertainty Quantification and Active Learning for Neural Network Potentials
Machine learning interatomic potentials bridge the gap between quantum chemical precision and classical computational speed, enabling molecular dynamics simulations with first-principles accuracy.
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