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Category: 4. Physics
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Ultracompact multibound-state-assisted flat-band lasers | Nature Photonics
Design of a flat-band multi-BIC cavity
Our laser cavity design is constructed by etching periodic air holes through the active medium of a three-well resonant-phonon GaAs/Al0.15Ga0.85As designed terahertz QCL wafer to form a triangular…
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Entanglement of photonic modes from a continuously driven two-level system
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Observation of sub-relativistic collisionless shock generation and breakout dynamics
Our design draws on the idea of a laser engine. Specifically, energetic expanding plasmas are induced in the laser-plasma interaction which then leads to collisionless shocks, analogous to the black hole engine. As shown in Fig. 1a, a customized…
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Parity transition of radial structure of MHD instability in magnetically confined torus plasmas
Parity transitions in the radial profile of radial displacements evaluated from the plasma temperature and/or density fluctuation profiles due to MHD instabilities are sometimes observed in magnetically confined torus plasmas. The odd and even…
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Storage-ring laser spectroscopy of accelerator-produced hydrogen-like 208Bi82+
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Quantization of nonequilibrium heat transport models based on isomorphism and gauge symmetry
Gauge-potential formulation of heat
We first investigated the gauge-potential formulation of the heat-transport model and demonstrated the role of scalar and vector heat potentials. We then show the analogy gauge and field potentials compared with…
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Author Correction: Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate…
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CoolWalks for active mobility in urban street networks
Before analyzing empirical data from real-world cities, we solve the case of the grid street network analytically, setting the theoretical expectation for CoolWalkability in grid-like cities. We then introduce the diurnal CoolWalkability profile…
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When lowering temperature, the in vivo circadian clock in cyanobacteria follows and surpasses the in vitro protein clock trough the Hopf bifurcation
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Revel, F. et al. The…
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