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Letter to Editor: Effects of chronic fluoxetine on zebrafish behavior – Comment on Pinto et al., (2024)

Chemosphere 2024年 366卷 143296页

作者： Kalueff, Allan V. de Abreu, Murilo S. Suzhou Key Laboratory on Neurobiology and Cell Signaling School of Science Xi'an Jiaotong-Liverpool University Suzhou China Moscow Institute of Physics and Technology Moscow Russia Suzhou China Graduate Program in Health Sciences Federal University of Health Sciences of Porto Alegre Porto Alegre Brazil Western Caspian University Baku Azerbaijan

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Wide-Field-of-View Multi-Wavelength Metalens

Wide-Field-of-View Multi-Wavelength Metalens

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IEEE Research and Applications of Photonics In Defense Conference (RAPID)

作者： F. De Luca A. C. Overvig M. Lucente J. Touma A. Alú Photonics Initiative Advanced Science Research Center City University of New York New York USA Nanohmics Inc. Austin TX USA Air Force Research Lab Eglin Air Force Base FL USA Physics Program Graduate Center of the City University of New York New York NY USA

We illustrate how a stack of mutually transparent nonlocal metasurfaces can be used to realize an ultrathin multiwavelength lens stack for wide field of view (FoV) applications.

ISBN: (数字)9798350373097

ISBN: (纸本)9798350373103

We illustrate how a stack of mutually transparent nonlocal metasurfaces can be used to realize an ultrathin multiwavelength lens stack for wide field of view (FoV) applications.

关键词： Military communication Biomedical optical imaging Optical design Metasurfaces Optical materials Optical sensors Optical refraction

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Non-SUSY Lepton Flavor Model with 3HDM

arXiv

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arXiv 2022年

作者： Izawa, Yukimura Shimizu, Yusuke Takei, Hironori Physics Program Graduate School of Advanced Science and Engineering Hiroshima University Higashi-Hiroshima739-8526 Japan Core of Research for the Energetic Universe Hiroshima University Higashi-Hiroshima739-8526 Japan

We propose a simple non-supersymmetric lepton flavor model with A4 symmetry. The A4 group is a minimal one which includes triplet irreducible representation. We introduce three Higgs doublets which are assigned as triplet of the A4 symmetry. It is natural that there are three generations of the Higgs fields as same as the standard model fermions. We analyse the potential and we get the vacuum expectation values for the local minimum. In the vacuum expectation values, we obtain the charged lepton, Dirac neutrino, and right-handed Majorana neutrino mass matrices. By using type-I seesaw mechanism, we get the left-handed Majorana neutrino mass matrix. In the NuFIT 5.1 data, we predict the Dirac CP phase and the Majorana phases for the only inverted neutrino mass hierarchy. Especially, the Dirac CP phase and lepton mixing angle θ23 are strongly correlated. If the θ23 is more precise measured, the Dirac CP phase is more precise predicted, and vice versa. We also predict the effective mass for neutrino-less double beta decay mee 47.1 [meV] and the lightest neutrino mass m3 0.789-1.43 [meV]. It is testable for our model in the near future neutrino experiments. © 2022, CC0.

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Giant long-range dipole-dipole interactions in a plasmonic lattice

Giant long-range dipole-dipole interactions in a plasmonic l...

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Frontiers in Optics + Laser science 2021, FiO+LS 2021 - Part of Frontiers in Optics, FiO 2021

作者： Boddeti, Ashwin K. Guan, Jun Sentz, Tyler Juarez, Xitali Newman, Ward Cortes, Cristian Odom, Teri W. Jacob, Zubin School of Electrical and Computer Engineering Birck Nanotechnology Center Purdue University West LafayetteIN47907 United States Graduate Program in Applied Physics Northwestern University EvanstonIL60208 United States Department of Materials Science and Engineering Northwestern University EvanstonIL60208 United States Intel Corporation BeavertonOR97007 United States Center for Nanoscale Materials Argonne National Laboratory LemontIL60439 United States Graduate Program in Applied Physics Department of Materials Science and Engineering Department of Chemistry Northwestern University EvanstonIL60208 United States

We observe long-range dipole-dipole interactions in a plasmonic lattice. Fluorescence lifetime measurements show density-dependent non-exponential decay dynamics over 800nm mean nearest-neighbour separation distances ... 详细信息

ISBN: (纸本)9781557528209

关键词： Plasmonics

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Atomistic insights into highly active reconstructed edges of monolayer 2H-WSe2 photocatalyst (vol 13, 1256, 2022)

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NATURE COMMUNICATIONS 2022年第1期13卷 1256-1256页

作者： Qorbani, Mohammad Sabbah, Amr Lai, Ying-Ren Kholimatussadiah, Septia Quadir, Shaham Huang, Chih-Yang Shown, Indrajit Huang, Yi-Fan Hayashi, Michitoshi Chen, Kuei-Hsien Chen, Li-Chyong Center for Condensed Matter Sciences National Taiwan University Taipei 10617 Taiwan Center of Atomic Initiative for New Materials National Taiwan University Taipei 10617 Taiwan Institute of Atomic and Molecular Sciences Academia Sinica Taipei 10617 Taiwan On leave from Tabbin Institute for Metallurgical Studies Tabbin Helwan 109 Cairo 11421 Egypt Department of Physics National Taiwan University Taipei 10617 Taiwan Nano Science and Technology Taiwan International Graduate Program Academia Sinica Taipei 11529 Taiwan Institute of Physics Academia Sinica Taipei 11529 Taiwan Molecular Science and Technology Program Taiwan International Graduate Program Academia Sinica Taipei 11529 Taiwan Department of Physics National Central University Taoyuan City 32001 Taiwan International Graduate Program of Molecular Science and Technology National Taiwan University Taipei 10617 Taiwan Department of Chemistry Hindustan Institute of Technology and Science Chennai 603103 India

Ascertaining the function of in-plane intrinsic defects and edge atoms is necessary for developing efficient low-dimensional photocatalysts. We report the wireless photocatalytic CO2 reduction to CH4 over reconstructed edge atoms of monolayer 2H-WSe2 artificial leaves. Our first-principles calculations demonstrate that reconstructed and imperfect edge configurations enable CO2 binding to form linear and bent molecules. Experimental results show that the solar-to-fuel quantum efficiency is a reciprocal function of the flake size. It also indicates that the consumed electron rate per edge atom is two orders of magnitude larger than the in-plane intrinsic defects. Further, nanoscale redox mapping at the monolayer WSe2–liquid interface confirms that the edge is the most preferred region for charge transfer. Our results pave the way for designing a new class of monolayer transition metal dichalcogenides with reconstructed edges as a non-precious co-catalyst for wired or wireless hydrogen evolution or CO2 reduction reactions. Systematically study of in-plane intrinsic defects and edge atoms is important to guide the design of low-dimensional photocatalysts. Here the authors investigate photocatalytic CO2 reduction to CH4 over reconstructed edge atoms of monolayer semiconducting WSe2.

关键词： Photocatalysis Two-dimensional materials Photocatalysis

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Mass Relations, Unification, and Proton Decay in the Mirror GUT Model

arXiv

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arXiv 2022年

作者： Shimizu, Yusuke Takeshita, Shonosuke Physics Program Graduate School of Advanced Science and Engineering Hiroshima University Higashi-Hiroshima739-8526 Japan Core of Research for the Energetic Universe Hiroshima University Higashi-Hiroshima739-8526 Japan

We propose an SU(5)×U(1)X×U(1)PQ model without SUSY because the SUSY particles have not been observed yet. The U(1)X gauge symmetry is the generalization of the U(1)B−L gauge symmetry and U(1)PQ symmetry is the global Peccei-Quinn symmetry. We introduce three mirror families in order to unify the SM gauge couplings and avoid the restriction of proton lifetime. In order to obtain the difference of the masses for the down-type quarks and charged leptons, we also introduce the 45 representation Higgs in addition to the 5 representation one. In this paper, we discuss the mass relations between the SM and mirror particles and identify the mass scales of the mirror particles. Since the new particles exist in the intermediate energy scale and contribute to the renormalization group equation, the SM gauge couplings unify successfully at high energy. Our model can be tested by the future proton decay search, e.g., the Hyper-Kamiokande experiment expected as τp(p → π0e+) 35 years. Also, by using the mass relations between the active and mirror neutrinos, we estimate the lower bound of the heavy neutrino masses. © 2022, CC BY.

关键词： Mirrors

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Activated carbon derived from coconut shell chars for use as a cathode material in aluminium-ion batteries 15

Activated carbon derived from coconut shell chars for use as...

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15th Siam physics Congress, SPC 2020

作者： Thanwisai, P. Phuenhinlad, P. Chaiyapo, N. Kanaphan, Y. Nash, J. Chotsuwan, C. Rattana-Amron, T. Klamchuen, A. Meethong, N. Department of Physics Faculty of Science Khon Kaen University Khon Kaen40002 Thailand Materials Science and Nanotechnology Program Department of Physics Faculty of Science Khon Kaen University Khon Kaen40002 Thailand The Graduate School Udon Thani Rajabhat University Udon Thani41000 Thailand National Science and Technology Development Agency Pathumthani12120 Thailand NANOTEC-KKU RNN on Nanomaterials Research and Innovation for Energy Khon Kaen University Khon Kaen40002 Thailand

Aluminium-ion batteries (AIBs) are a promising energy storage system due to their significant advantages of low cost, high anode capacity and safety. Nevertheless, the critical challenge limiting AIB performance is an inadequate cathode capacity that diminishes their cell energy density. To overcome this limitation, it is important to develop novel cathode materials with high cathode capacity for AIBs. Herein, we report an activated carbon derived from coconut shell chars for use as a cathode material in AIBs. The activated carbon was synthesized via KOH activation and carbonization. The prepared cathode material exhibits a high specific capacity of 38 mAh g-1 at a high current density of 1 A g-1 due to its high specific surface area of 2686 m2 g-1, which is beneficial for chloroaluminate-ion accommodation. This result indicates that the activated carbon derived from coconut shell chars with its high surface area is electrochemically active and is likely to be a promising cathode material for AIBs. © Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.

关键词： Cathodes

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Observation of Photonic Chiral Flatbands

arXiv

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arXiv 2024年

作者： Choi, Minho Alù, Andrea Majumdar, Arka Department of Electrical and Computer Engineering University of Washington SeattleWA98195 United States Photonics Initiative Advanced Science Research Center City University of New York New YorkNY10031 United States Physics Program Graduate Center City University of New York New YorkNY10031 United States Department of Physics University of Washington SeattleWA98195 United States

Distinct selectivity to the spin angular momenta of photons have garnered significant attention in recent years, for their relevance in basic science and for imaging and sensing applications. While nonlocal metasurfaces with strong chiral responses to the incident light have been reported, these responses are typically limited to a narrow range of incident angles. In this study, we demonstrate a nonlocal metasurface that showcases strong chirality, characterized by circular dichroism larger than 0.6, over a wide range of incident angles ±5o. Its quality factor, circular dichroism and resonant frequency can be optimized by design. These findings pave the way to further advance the development of valley-selective optical cavities and augmented reality applications. Copyright © 2024, The Authors. All rights reserved.

关键词： Natural frequencies

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Cubic ferromagnet and emergent U(1) symmetry on its phase boundary

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Physical Review B 2023年第22期107卷 224406-224406页

作者： Wei-Lin Tu Xinliang Lyu S. R. Ghazanfari Huan-Kuang Wu Hyun-Yong Lee Naoki Kawashima Division of Display and Semiconductor Physics Korea University Sejong 30019 Korea Faculty of Science and Technology Keio University 3-14-1 Hiyoshi Kohoku-ku Yokohama 223-8522 Japan Institute for Solid State Physics University of Tokyo Kashiwa Chiba 277-8581 Japan Department of Physics Condensed Matter Theory Center and Joint Quantum Institute University of Maryland College Park Maryland 20742 USA Department of Applied Physics Graduate School Korea University Sejong 30019 Korea Interdisciplinary Program in E.ICT-Culture-Sports Convergence Korea University Sejong 30019 Korea Trans-scale Quantum Science Institute The University of Tokyo Bunkyo Tokyo 113-0033 Japan

We study the simplest quantum lattice spin model for the two-dimensional (2D) cubic ferromagnet by means of mean-field analysis and tensor network calculation. While both methods give rise to similar results in detecting related phases, the 2D infinite projected entangled-pair state (iPEPS) calculation provides more accurate values of transition points. Near the phase boundary, moreover, our iPEPS results indicate that it is more difficult to pin down the orientation of magnetic easy axes, and we interpret it as the easy-axis softening. This phenomenon implies an emergence of continuous U(1) symmetry, which is indicated by the low-energy effective model and has been analytically shown by the field theory. Our model and study provide a concrete example for utilizing iPEPS near the critical region, showing that the emergent phenomenon living on the critical points can already be captured by iPEPS with a rather small bond dimension.

关键词： Magnetic anisotropy Magnetism Quantum criticality Projected entangled pair states Tensor network methods

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Influence of Treatment Time on the Synthesis of Copper Oxide Films by Cathode Cage Plasma Deposition

SSRN

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SSRN 2023年

作者： de Carvalho, Júlio F.S. Monção, Renan M. de Sousa, Ediones M. da Luz Lima, Cleânio Costa, Carla L.S.C. Garcia, Ramón R.P. Feitor, Michelle C. de Carvalho Costa, Thércio H. Libório, Maxwell S. de Sousa, Rômulo R.M. Federal University of Piauí Graduate Program in Materials Science and Engineering PI Teresina Brazil Federal University of Piauí Physics Postgraduate Program PI Teresina Brazil Federal university of Rio Grande do Norte Department of Materials Science and Engineering RN Natal Brazil Federal University of Rio Grande do Norte Department of Mechanical Engineering RN Natal Brazil Federal university of Rio Grande do Norte School of Science and Technology RN Natal Brazil

Copper oxide is a valuable p-type semiconductor for photovoltaic applications. In this work, plasma deposition with cathodic cage (CCPD) of copper oxide (CuO+Cu2O) films on glass was performed to evaluate the microstructural, morphological, chemical, and bandgap changes as a function of the treatment time variation (2, 3, 4, and 5 hours). The samples were analyzed by Scanning Electron Microscopy (SEM), Energy Dispersive System (EDS), X-ray Diffraction (XRD), and Raman Spectroscopy to identify morphologies, chemical composition, and crystalline phases of the deposited films, and the absorption spectrum optics was used to calculate the bandgap width. All films showed bandgap energies around 2.60 eV. However, the sample treated with a time of 3h presented a compact coating with 1.46 µm of thickness and bandgap energy equal to 2.57 eV, being the best result. © 2023, The Authors. All rights reserved.

关键词： Energy gap

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