Japan Succeeds in Identifying Elusive W State in Quantum Physics

A breakthrough in quantum information science: scientists at Kyoto University & Hiroshima University have succeeded in creating an entangled measurement for the W state in a three-photon system. Previously, W states were theoretically well understood but hadn’t been directly measured in this way. The team leveraged cyclic shift symmetry and quantum Fourier transform in photonic circuits to reliably identify different kinds of three-photon W states with high fidelity. This paves the way for more efficient quantum teleportation, improved quantum communication protocols, and more scalable measurement-based quantum computing. Full story: https://lnkd.in/eqBV43GD

A major breakthrough in quantum computing: researchers at TUM and Google Quantum AI have used Google’s quantum processor to simulate fundamental gauge-theory interactions—revealing how particles and the invisible “strings” connecting them behave, fluctuate, and even break. This advances our ability to probe particle physics, quantum materials, and the structure of space-time. Discover the implications here: https://lnkd.in/ez-2zKg9

💡 Quantum Computing Just Got a Step Closer A new breakthrough in quantum entanglement has linked the cores of atoms, not just their outer electrons. This development could be a major milestone in building more stable, scalable quantum computers. Why it matters: 🔹 Entanglement is the backbone of quantum communication and computation. 🔹 By entangling the atomic nucleus instead of the outer shell, researchers may achieve longer-lasting and more reliable quantum states. 🔹 This could reduce errors and push quantum computers beyond today’s limitations. Read more about this advance here: 👉 https://lnkd.in/eUNudFhs It’s amazing to see how quantum physics, once purely theoretical, is increasingly shaping the future of computing. #QuantumComputing #Innovation #Technology #Research

Recently, we came across nano diamonds manufacturing discovery that aids in the realization of highly scalable quantum computing at room temperature, whereas, these Japanese researchers discovered material that consists heavy electronics aiding quantum computing at room temperature. Are we nearing highly scalable quantum computers to replace conventional? I believe so. A joint research team from Japan has observed "heavy fermions," electrons with dramatically enhanced mass, exhibiting quantum entanglement governed by the Planckian time - the fundamental unit of time in quantum mechanics. This discovery opens up exciting possibilities for harnessing this phenomenon in solid-state materials to develop a new type of quantum computer. Heavy fermions arise when conduction electrons in a solid interact strongly with localized magnetic electrons, effectively increasing their mass. This phenomenon leads to unusual properties like unconventional superconductivity and is a central theme in condensed matter physics. Cerium-Rhodium-Tin (CeRhSn), the material studied in this research, belongs to a class of heavy fermion systems with a quasi-kagome lattice structure, known for its geometrical frustration effects. Researchers investigated the electronic state of CeRhSn, known for exhibiting non-Fermi liquid behavior at relatively high temperatures. Precise measurements of CeRhSn's reflectance spectra revealed non-Fermi liquid behavior persisting up to near room temperature, with heavy electron lifetimes approaching the Planckian limit. The observed spectral behavior, describable by a single function, strongly indicates that heavy electrons in CeRhSn are quantum entangled. Dr. Shin-ichi Kimura of The University of Osaka, who led the research, explains, "Our findings demonstrate that heavy fermions in this quantum critical state are indeed entangled, and this entanglement is controlled by the Planckian time. This direct observation is a significant step towards understanding the complex interplay between quantum entanglement and heavy fermion behavior." Quantum entanglement is a key resource for quantum computing, and the ability to control and manipulate it in solid-state materials like CeRhSn offers a potential pathway towards novel quantum computing architectures. The Planckian time limit observed in this study provides crucial information for designing such systems. Further research into these entangled states could revolutionize quantum information processing and unlock new possibilities in quantum technologies. This discovery not only advances our understanding of strongly correlated electron systems but also paves the way for potential applications in next-generation quantum technologies. #quantumcomputing #quantumnet #iiot #4thindustrialrevolution

Researchers have unveiled a new quantum material that could make quantum computers much more stable by using magnetism to protect delicate qubits from environmental disturbances. #Engineering #Research #Quantum

Discarded particles dubbed 'neglectons' may unlock universal quantum computing From Mathematical Trash to Quantum Treasure What if the key to revolutionary quantum computing was hiding in what scientists called "mathematical garbage"? A groundbreaking study from USC researchers has just turned the quantum computing world upside down by rescuing previously discarded particles they've dubbed "neglectons" - and these overlooked entities might be our ticket to universal quantum computing. The Quantum Computing Challenge Current quantum computers are incredibly fragile. Their qubits are easily disrupted by environmental interference, causing errors that accumulate rapidly. While topological quantum computing using Ising anyons shows promise for noise resistance, these particles alone can only perform limited operations - falling short of true universal quantum computing power. The Breakthrough: Embracing the "Useless" Here's where it gets fascinating: Traditional mathematical frameworks simply threw away objects with "quantum trace zero," considering them worthless. But USC's team discovered these discarded elements were actually the missing puzzle piece. By incorporating just one stationary neglecton alongside existing Ising anyons, researchers achieved universal quantum computation through "braiding" operations alone - essentially weaving particles around each other to perform quantum logic. Why This Matters 🔹 Practical Impact: We can now potentially achieve universal quantum computing with particles we already know how to create 🔹 Mathematical Elegance: The solution isolates mathematical irregularities while preserving computational integrity - like "quarantining unstable rooms in a house" 🔹 Future Applications: Opens new pathways for solving problems beyond today's fastest supercomputers This discovery perfectly illustrates how breakthrough innovations often come from looking at the overlooked, the discarded, the "impossible." Sometimes the most transformative solutions are hiding in plain sight. The future of quantum computing just got a lot more interesting. #QuantumComputing #Innovation #Physics #TechnologyBreakthrough #Research #Science #Mathematics #QuantumPhysics #USC #TechNews #ComputingRevolution #FutureOfTech

What will the MegaQuOp era of quantum computing enable? 🤔 ✨ Our new blog post from staff quantum scientist Nick Blunt explores "Tile Trotterization", a technique developed in collaboration with researchers, including Andreas Juul Bay-Smidt, from NNF Quantum Computing Programme (NQCP) at the University of Copenhagen (Københavns Universitet), which generalises the methodology of Plaquette Trotterization from Earl Campbell. This could significantly extend the applicability of early error-corrected quantum computers to a larger range of materials problems. Learn how Tile Trotterization brings us closer to simulating superconductors and other important states of matter, and how it informs our work at Riverlane to build the tools for the MegaQuOp era of quantum computing: 🔗 https://lnkd.in/eBUk38Kc #quantumcomputing | #quantumerrorcorrection 

🚀 Quantum Leap in Entanglement Research from Kyoto University Researchers have achieved something long thought difficult: a direct way to identify W states — a special form of quantum entanglement — using a stable, light-based device. 🔍 Why it matters: W states are critical building blocks for quantum communication, teleportation, and scalable quantum computing. Traditionally, identifying entangled states required complex and time-consuming measurements. This breakthrough enables a “one-shot” measurement for W states, making it faster, more reliable, and scalable. 🌿 Layman’s view: Think of three ripples meeting on a calm lake. The unique interference pattern tells you exactly which “song of ripples” you’re looking at — without needing to check each ripple separately. 💡 Impact: This research brings us a step closer to practical quantum networks and powerful algorithms, where entanglement is not just theory, but a usable tool. 📌 Next steps: scaling from 3-photon systems to larger multi-photon networks and eventually integrated quantum chips. Exciting times ahead for Quantum Information Retrieval, communication, and computing! https://lnkd.in/eCDtCWFQ

Jordan-wigner Mapping Extension Enables Quantum Computing with Nonorthogonal Spin Orbitals for Valence Bond Approaches Researchers have created a new computational method that adapts quantum computing techniques to overcome challenges in simulating complex chemical bonds, potentially enabling more accurate and efficient modelling of molecular behaviour #quantum #quantumcomputing #technology https://lnkd.in/eNVnzBzs

Strange “heavy” electrons could be the future of quantum computing: Scientists in Japan have uncovered a strange new behavior in “heavy” electrons — particles that act as if they carry far more mass than usual. These electrons were found to be entangled, sharing a deep quantum link, and doing so in ways tied to the fastest possible time in physics. Even more surprising, the effect appeared close to room temperature, hinting that future quantum computers might harness this bizarre state of matter. #ScienceDaily #Technology