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Bound chaotic photon orbits in a magnetized Kerr–Newman spacetime
Published 2025-01-01“…Abstract Unlike those in the nonmagnetized counterpart, equatorial photon effective potentials outside the horizons allow for the existence of closed pockets or potential wells corresponding to local minimum values in a magnetized Kerr–Newman spacetime of Gibbons et al. …”
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Design and Modeling of the Photonic Crystal Waveguide Structure for Heat-Assisted Magnetic Recording
Published 2018-01-01“…The application of the photonic crystal (PC) waveguide (WG) as the light delivery system in the heat-assisted magnetic recording (HAMR) system is demonstrated. …”
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Effect of low frequency magnetic field (LFMF) on germination and vigour of accelerated aged radish (Raphanus sativus L.) seeds
Published 2024-12-01Subjects: “…magnetic treatment…”
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Dimuon and ditau production in photon-photon collisions at next-to-leading order in QED
Published 2025-02-01“…The NLO terms are found to modify the total fiducial cross sections by up to 5%, increasing the tails of the dilepton acoplanarity and transverse momentum distributions, and depleting by up to 15% the yields at high masses, with respect to the leading-order predictions including the very small virtuality of the colliding photons. At the LHC, the calculations obtained with the charge form factor for protons and lead ions including the NLO QED corrections improve the data-theory agreement for all measured differential distributions, and prove an indispensable ingredient for the extraction of precision quantities in photon-photon processes, such as the anomalous magnetic moment of the tau lepton.…”
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Magnetodielectric and Metalomagnetic 1D Photonic Crystals Homogenization: ε-μ Local Behavior
Published 2016-01-01“…A theory for calculating the effective optic response of photonic crystals with metallic and magnetic inclusions is reported, for the case when the wavelength of the electromagnetic fields is much larger than the lattice constant. …”
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Dispersion Properties of Surface Waves Decaying in Red-Shifted and Blue-Shifted Gaps in Photonic Hypercrystals
Published 2023-01-01“…The dispersion characteristics of surface waves for transverse electric and magnetic polarization modes of photonic hypercrystals (PHC) are theoretically explored. …”
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Spin-Wave-Driven Skyrmion Motion in Magnetic Nanostrip
Published 2018-01-01“…The photon-assisted magnetic recording utilizes the ultrafast laser to excite the spin wave in the magnetic nanostructures and accordingly switch its magnetization state. …”
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MULTI-PIXEL PHOTON COUNTER FOR OPERATING A TABLETOP COSMIC RAY DETECTOR UNDER LOOSELY CONTROLLED CONDITIONS
Published 2022-10-01“…An MPPC provides many advantageous features, such as high electrical gain, outstanding photon detection efficiency, fast timing response, immunity to magnetic fields, low-voltage operation, compactness, portability, and cost-effectiveness. …”
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A New Differential Magnetic-Field Probe With Parasitic Elements for Near-Field Scanning
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Multi-parameter control of photodetection in van der Waals magnet CrSBr
Published 2025-02-01“…The linear dichroic ratio of the photocurrent in CrSBr tunneling device can reach ~60 at 1.65 K, and the photoresponse experiences a significant boost with increasing magnetic field. Additionally, the unique spin-charge coupling engenders a photon energy-dependent photocurrent that is modulated by an external field and is validated by first-principle calculations. …”
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Dynamical control of topological unidirectional guided resonances via external magnetic field
Published 2025-01-01“…Under an external magnetic field, it is found that genuine UGRs (or quasi-UGRs) in topological nature, depicted by a phase winding number of far-field radiation, can be created by hybridizing the different orthogonal bands in such a nonreciprocal grating. …”
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Higher precision constraints on the tau $$g-2$$ g - 2 in LHC photon-initiated production: a full account of hadron dissociation and soft survival effects
Published 2024-12-01“…Abstract We present the first calculation of photon-initiated $$\tau $$ τ pair production in the presence of non-zero anomalous magnetic ( $$a_\tau $$ a τ ) and/or electric dipole ( $$d_\tau $$ d τ ) moments of the $$\tau $$ τ lepton that accounts for the non-trivial interplay between these modifications with the soft survival factor and the possibility of dissociation of the hadron (proton or ion) beam. …”
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Dual subwavelength-grating topology for building polarization beam splitters
Published 2025-01-01“…The coupling strengths of the transverse-electric (TE) and transverse-magnetic (TM) modes were selectively modified, with TE mode suppression and TM mode enhancement. …”
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Neural network for step anomaly detection in head motion during fMRI using meta-learning adaptation
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A New Interpretation for the Hot Corona in Active Galactic Nuclei
Published 2025-01-01“…Within this reconnection layer, the tearing instability leads to the formation of a chain of plasmoids, which contain relativistic electrons that generate X-ray radiation through inverse-Compton (IC) scattering of soft photons emitted by the accretion disk. Based on previous theoretical works and numerical simulations, we develop a heuristic framework to parameterize the geometry and magnetization of the reconnection layer, as well as to compute both the power of the IC-scattering radiation and the height of the reconnection layer. …”
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Magnetically tailored dielectric behaviour of (1-x)Ba0.98Sm0.02TiO3-xBa0.7Sr0.3Fe12O19 ceramic composites
Published 2024-12-01Get full text
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Polymer Materials for U-Shaped Optic Fiber Sensors: A Review
Published 2025-01-01Get full text
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