Optica Quantum [#OPG_OpticaQ] research from Univerzita Palackého v Olomouci displays a new kind of highly nonclassical states: https://bit.ly/3zxpajV The team demonstrated that the addition of photons into multi-mode twin beams makes them attractive for engineered two-photon excitations of atom, molecular, and other material systems under specific conditions. The researchers conclude the beams are promising as the quantum light source for virtual-state entangled-photon spectroscopy. Written by: Jan Peřina, Kishore Thapliyal, Ondřej Haderka, Václav Michálek, and Radek Machulka #quantum #laserscience #quantumtechnology #physics
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#callforpapers 📚Special Issue: Precision Physics and Fundamental Physical Constants (FFK 2023) 🔗https://lnkd.in/gzvDdNjb 🔹 The deadline for the special issue has been successfully extended to 31 October 31 2024. Although this Special Issue collaborates with FFK 2023, all relevant manuscripts are welcome, including research and review articles. #fundamentalconstants #precision #experiments #hydrogen #atom #molecule #muonium #antihydrogen #EDMs #mass #muon #CKM #matrix #physics
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A Sapienza Università di Roma author provides an overview of the recent experimental, numerical, and theoretical studies revealing the properties of optical solitons in multimode fibers: https://bit.ly/4ckz6et The study covers new soliton fission mechanisms governed by the modal dispersion, possible applications in space-division multiplexed systems, a recent thermodynamic approach to soliton condensation, and more. Written by: Mario Zitelli Published in #OPG_JOSA_B #experimentalreview #optics #photonics #physics
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Physicist and Multidisciplinary Engineer | Expert in Semiconductor Devices, Quantum Nanoscience, and Topological Materials | Data Scientist and AI Enthusiast | Optical Engineer
The integer quantum Hall effect is a quantized version of the Hall effect. It is observed in two-dimensional electron systems at low temperatures and in strong magnetic fields. In this phenomenon, the Hall resistance R_xy exhibits steps that take on the quantized values R_xy = h/(e^2*v), where v is an integer (1,2,3,4....). In a recent experiment titled "Even-integer quantum Hall effect in an oxide caused by a hidden Rashba effect," researchers demonstrated the experimental observation of even-integer quantum Hall states (v=2,4,6....) in few-layer 2D Bi2O2Se films. These states originate from the unique degenerate Rashba bilayer structure and hidden Rashba effect in the material. #quantum #quantummeterial #physics #device #2dmaterials #materialscience #Topology #topologicalinsulator #condensedmatter https://lnkd.in/eRKz_9AQ
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⏩ 𝗠𝗲𝘁𝗵𝗼𝗱 𝗠𝗶𝗹𝗲𝘀𝘁𝗼𝗻𝗲 𝗳𝗼𝗿 𝗤𝘂𝗮𝗻𝘁𝘂𝗺 𝗣𝗵𝘆𝘀𝗶𝗰𝘀: 𝗥𝗮𝗽𝗶𝗱 𝗧𝗲𝘀𝘁 𝗳𝗼𝗿 𝗧𝗼𝗽𝗼𝗹𝗼𝗴𝗶𝗰𝗮𝗹 𝟮𝗗 𝗠𝗮𝘁𝗲𝗿𝗶𝗮𝗹𝘀 Topological quantum materials are hailed as a cornerstone of future technological advancements. Yet, validating their exceptional qualities has always been a lengthy business. However, researchers at the Cluster of Excellence xn--vd2h8a.qmat have now developed an experimental technique that systematically identifies two-dimensional topological materials through a rapid test. This breakthrough could help accelerate the progress of this booming class of materials. Their findings have been featured as the lead article in the journal Physical Review Letters. 👉 https://lnkd.in/eRXQVPJx Julius-Maximilians-Universität Würzburg Technische Universität Dresden Deutsche Forschungsgemeinschaft (DFG) - German Research Foundation #topological #matter #milestone #wisskomm #scicomm #science #physics #ClustersOfExcellence #research #materials #quantum
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Optica [#OPG_Optica] research demonstrates a new technique for characterizing structured mid-infrared waveforms: https://bit.ly/3Y21Bu0 The method, which uses only a two-dimensional silicon-based image sensor as both the detector and the nonlinear medium, enables the full characterization of structured electric fields. The University of Central Florida team found that the method significantly reduced the complexity of detection compared to other techniques. Written by: Yangyang Liu, Shima Gholam-Mirzaei, Dipendra Khatri, Tran-Chau Truong, Troie D. Journigan, Christian Cabello, Christopher Lantigua, André Staudte, Paul B. Corkum, and Michael Chini #silicon #photonics #physics #optics
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When atoms like it exotic... and find the perfect match... 💑 🌟 In the case of ‘true tauonium’, the perfect match is particle-antiparticle (which dance a little and then annihilate, releasing energy). Let me explain: 🔹 Unlike ‘normal’ atoms, which consist of a nucleus and electrons, the ‘true tauonium’ would consist of the tau particle, a heavy cousin of the electron, and its respective positively charged antiparticle, called the antitau. Obviously, this is an unstable system with a very short life span. 🔹 Of these exotic atoms (called ‘onia’), whose two components are bound exclusively by electromagnetic interaction, two have already been observed, positronium (electron+positron) and muonium (electron+antimuon). 🔹 The existence of true tauonium has been speculated but not yet confirmed. 🔹 Now a group of scientists has come up with a new approach for its search, which would make use of a new particle accelerator that collides electrons and positrons, the construction of which has been proposed in both China and Russia. 🔹 The eventual discovery of true tauinium would allow us to expand our knowledge of bound states and fundamental interactions. Isn't it cool? Let me know. If you want the link to the paper, also let me know in the comments. #TalkScienceWithVirginia #particlephysics #TechTalk #sciencenews #physics #research
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I'm excited to announce the latest in a 3-part series: https://lnkd.in/gE5dwmM2 We present a new technique for analyzing entanglement evolution in quantum circuits, which we use to derive an upper-bound on #entanglement achievable using n-qubit Clifford gates, on any arbitrary quantum state. While we focus on Clifford gates in this paper, our methods are sufficiently general to study universal gate sets, as well as alternative state properties. We further use our #entropy vector bounds to speculate implications for #holographic quantum gravity. #physics #quantumcomputing #research #gravity #quantum #mathematics
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𝐒𝐜𝐢𝐞𝐧𝐭𝐢𝐬𝐭𝐬 𝐦𝐚𝐝𝐞 𝐭𝐡𝐞 𝐜𝐨𝐥𝐝𝐞𝐬𝐭 𝐥𝐚𝐫𝐠𝐞 𝐦𝐨𝐥𝐞𝐜𝐮𝐥𝐞 𝐨𝐧 𝐫𝐞𝐜𝐨𝐫𝐝 — 𝐚𝐧𝐝 𝐢𝐭 𝐡𝐚𝐬 𝐚 𝐬𝐮𝐩𝐞𝐫 𝐬𝐭𝐫𝐚𝐧𝐠𝐞 𝐜𝐡𝐞𝐦𝐢𝐜𝐚𝐥 𝐛𝐨𝐧𝐝 Scientists recently created a never-before-seen four-atom molecule — the coldest of its kind ever made. Researchers created the oddball molecule — a strange configuration of sodium-potassium with an ultralong chemical bond — at 134 nanokelvin, or just 134 billionths of a degree above absolute zero. They described the ultracold material Jan. 31 in the journal Nature. Continue Reading Here: https://shorturl.at/iMS59 #Science #Physics #MIDSCI 𝘚𝘰𝘶𝘳𝘤𝘦: 𝘓𝘪𝘷𝘦𝘚𝘤𝘪𝘦𝘯𝘤𝘦/𝘝𝘪𝘤𝘵𝘰𝘳𝘪𝘢 𝘈𝘵𝘬𝘪𝘯𝘴𝘰𝘯 𝘐𝘮𝘢𝘨𝘦: 𝘴𝘢𝘬𝘬𝘮𝘦𝘴𝘵𝘦𝘳𝘬𝘦 𝘷𝘪𝘢 𝘎𝘦𝘵𝘵𝘺 𝘐𝘮𝘢𝘨𝘦𝘴
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𝐒𝐜𝐢𝐞𝐧𝐭𝐢𝐬𝐭𝐬 𝐦𝐚𝐝𝐞 𝐭𝐡𝐞 𝐜𝐨𝐥𝐝𝐞𝐬𝐭 𝐥𝐚𝐫𝐠𝐞 𝐦𝐨𝐥𝐞𝐜𝐮𝐥𝐞 𝐨𝐧 𝐫𝐞𝐜𝐨𝐫𝐝 — 𝐚𝐧𝐝 𝐢𝐭 𝐡𝐚𝐬 𝐚 𝐬𝐮𝐩𝐞𝐫 𝐬𝐭𝐫𝐚𝐧𝐠𝐞 𝐜𝐡𝐞𝐦𝐢𝐜𝐚𝐥 𝐛𝐨𝐧𝐝 Scientists recently created a never-before-seen four-atom molecule — the coldest of its kind ever made. Researchers created the oddball molecule — a strange configuration of sodium-potassium with an ultralong chemical bond — at 134 nanokelvin, or just 134 billionths of a degree above absolute zero. They described the ultracold material Jan. 31 in the journal Nature. Continue Reading Here: https://shorturl.at/iMS59 #Science #Physics #MIDSCI 𝘚𝘰𝘶𝘳𝘤𝘦: 𝘓𝘪𝘷𝘦𝘚𝘤𝘪𝘦𝘯𝘤𝘦/𝘝𝘪𝘤𝘵𝘰𝘳𝘪𝘢 𝘈𝘵𝘬𝘪𝘯𝘴𝘰𝘯 𝘐𝘮𝘢𝘨𝘦: 𝘴𝘢𝘬𝘬𝘮𝘦𝘴𝘵𝘦𝘳𝘬𝘦 𝘷𝘪𝘢 𝘎𝘦𝘵𝘵𝘺 𝘐𝘮𝘢𝘨𝘦𝘴
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