• Quantum-inspired computing drives major advance in simulating turbulence

    Updated: 2025-01-29 21:25:26
    Researchers have pioneered a new approach to simulate turbulent systems, based on probabilities.

  • Even quantum physics obeys the law of entropy

    Updated: 2025-01-29 16:55:00
    The universe is getting more disordered, entropy is growing -- this is the second law of thermodynamics. But according to quantum theory, entropy should actually stay the same. Scientists took a closer look and resolved this apparent contradiction.

  • New avenues in quantum research: Supramolecular qubit candidates detected

    Updated: 2025-01-29 03:10:43
    Researchers were able to demonstrate for the first time that non-covalent bonds between spin centers are also capable of producing quartet states through spin mixing. Supramolecular chemistry is thus a valuable tool for the research, development and scaling of new materials for quantum technologies.

  • A new experimental system to bring quantum technologies closer to students

    Updated: 2025-01-27 05:42:01
    The world of quantum physics is experiencing a second revolution, which will drive an exponential leap in the progress of computing, the internet, telecommunications, cybersecurity and biomedicine. Quantum technologies are attracting more and more students who want to learn about concepts from the subatomic world -- such as quantum entanglement or quantum superposition -- to explore the innovative potential of quantum science. In fact, understanding the non-intuitive nature of quantum technology concepts and recognizing their relevance to technological progress is one of the challenges of 2025, declared the International Year of Quantum Science and Technology by UNESCO.

  • Make it worth Weyl: Engineering the first semimetallic Weyl quantum crystal

    Updated: 2025-01-24 03:40:30
    Researchers have demonstrated an ideal Weyl semimetal, marking a breakthrough in a decade-old problem of quantum materials.

  • Adding bridges to stabilize quantum networks

    Updated: 2025-01-24 00:31:15
    While entangled photons hold incredible promise for quantum computing and communications, they have a major inherent disadvantage. After one use, they simply disappear. In a new study physicists propose a new strategy to maintain communications in a constantly changing, unpredictable quantum network. By rebuilding these disappearing connections, the researchers found the network eventually settles into a stable -- albeit different -- state.

  • Physicists pioneer entanglement microscopy algorithm to explore how matter entangles in quantum many-body systems

    Updated: 2025-01-23 05:20:59
    A research team has recently developed a novel algorithm in quantum physics known as 'entanglement microscopy' that enables visualization and mapping of this extraordinary phenomenon at a microscopic scale. By zooming in on the intricate interactions of entangled particles, one can uncover the hidden structures of quantum matter, revealing insights that could transform technology and deepen the understanding of the universe.

  • Autonomous AI assistant to build nanostructures

    Updated: 2025-01-16 18:41:07
    The chemical composition of a material alone sometimes reveals little about its properties. The decisive factor is often the arrangement of the molecules in the atomic lattice structure or on the surface of the material. Materials science utilizes this factor to create certain properties by applying individual atoms and molecules to surfaces with the aid of high-performance microscopes. Using artificial intelligence, a new research group now wants to take the construction of nanostructures to a new level.

  • This metaphorical cat is both dead and alive -- and it will help quantum engineers detect computing errors

    Updated: 2025-01-14 05:50:22
    Engineers have demonstrated a well-known quantum thought experiment in the real world. Their findings deliver a new and more robust way to perform quantum computations and they have important implications for error correction, one of the biggest obstacles standing between them and a working quantum computer.

  • Engineering quantum entanglement at the nanoscale

    Updated: 2025-01-14 01:28:32
    Researchers have developed a drastically smaller and more energy efficient method of creating coveted photon pairs that influence each other from any distance. The technology could transform computing, telecommunications, and sensing.

  • Novel graphene ribbons poised to advance quantum technologies

    Updated: 2025-01-09 05:59:12
    Researchers have recently achieved a significant breakthrough in the development of next-generation carbon-based quantum materials, opening new horizons for advancements in quantum electronics. The innovation involves a novel type of graphene nanoribbon (GNR), named Janus GNR (JGNR). The material has a unique zigzag edge, with a special ferromagnetic edge state located on one of the edges. This unique design enables the realization of one-dimensional ferromagnetic spin chain, which could have important applications in quantum electronics and quantum computing.

  • Discovery of new class of particles could take quantum mechanics one step further

    Updated: 2025-01-08 19:37:20
    In a study, physicists now observed a class of quantum particles called fractional excitons, which behave in unexpected ways and could significantly expand scientists' understanding of the quantum realm.

  • Simulation of non-Hermitian skin effect in 2D with ultracold fermions

    Updated: 2025-01-08 19:36:02
    A research team has achieved a groundbreaking quantum simulation of the non-Hermitian skin effect in two dimensions using ultracold fermions, marking a significant advance in quantum physics research.

  • High-quality nanodiamonds for bioimaging and quantum sensing applications

    Updated: 2024-12-23 18:50:59
    Researchers have developed nanodiamond sensors with nitrogen-vacancy (NV) centers, offering exceptional brightness and spin properties for quantum sensing and bioimaging. These nanodiamonds outperform commercial options, requiring 20 times less energy and maintaining quantum states 11 times longer. Enhanced sensitivity to magnetic fields and temperature enables precise applications, including disease detection, battery analysis, and thermal management of electronics, marking a significant advancement in nanotechnology-driven quantum sensing for biological and industrial innovations.

  • Researchers take 'significant leap forward' with quantum simulation of molecular electron transfer

    Updated: 2024-12-21 00:10:20
    Researchers have made a meaningful advance in the simulation of molecular electron transfer -- a fundamental process underpinning countless physical, chemical and biological processes. The study details the use of a trapped-ion quantum simulator to model electron transfer dynamics with unprecedented tunability, unlocking new opportunities for scientific exploration in fields ranging from molecular electronics to photosynthesis.

  • First demonstration of quantum teleportation over busy Internet cables

    Updated: 2024-12-20 18:26:55
    Quantum teleportation could provide near-instant communication over long distances. But, inside Internet cables, photons needed for teleportation are lost within the millions of light particles required for classical communications. A new study quantified light scattering to find exact areas to place photons to keep them safe from other particles. The approach successfully worked in experiments carrying regular Internet traffic.

  • Macroscopic oscillators move as one at the quantum level

    Updated: 2024-12-19 20:16:07
    Scientists have successfully achieved a quantum collective behavior of macroscopic mechanical oscillators, unlocking new possibilities in quantum technology.

  • Physicists 'bootstrap' validity of string theory

    Updated: 2024-12-17 19:10:04
    String theory remains elusive as a 'provable' phenomenon. But a team of physicists has now taken a significant step forward in validating string theory by using an innovative mathematical method that points to its 'inevitability.'

  • Physics: Current generated by the quantum Hall effect has additional magnetic properties

    Updated: 2024-12-17 18:12:35
    The quantum Hall effect, a fundamental effect in quantum mechanics, not only generates an electric but also a magnetic current. It arises from the motion of electrons on an orbit around the nuclei of atoms. These results can potentially be used to develop new types of inexpensive and energy-efficient devices.

  • Researchers succeed in controlling quantum states in a new energy range

    Updated: 2024-12-12 21:32:02
    An international research team has controlled hybrid electron-photon quantum states in helium atoms. Control of these special quantum states was enabled by the pulse formation of very intense, extreme ultraviolet radiation. This method introduces the possibility not only of studying quantum mechanical effects in atoms and molecules, but also of controlling chemical reactions.

  • Researchers uncover strong light-matter interactions in quantum spin liquids

    Updated: 2024-12-12 16:56:20
    Theoretical physicists along with an experimental team have found evidence of a quantum spin liquid in a material known as pyrochlore cerium stannate. They achieved this by combining state-of-the-art experimental techniques, including neutron scattering at extremely low temperatures, with theoretical analysis. By measuring the way in which neutrons interact magnetically with the electron spin in pyrochlore, the researchers observed the collective excitations of spins interacting strongly with light-like waves.

  • Discovery of new growth-directed graphene stacking domains may precede new era for quantum applications

    Updated: 2024-12-10 21:35:15
    Researchers discovered that three-layer graphene can naturally self-organize into specific stacking patterns (ABA/ABC domains) during growth on silicon carbide, eliminating the need for manual manipulation. This breakthrough could enable scalable production of quantum devices.

  • Rethinking the quantum chip

    Updated: 2024-12-10 19:20:29
    Researchers have realized a new design for a superconducting quantum processor, aiming at a potential architecture for the large-scale, durable devices the quantum revolution demands. Unlike the typical quantum chip design that lays the information-processing qubits onto a 2-D grid, the team has designed a modular quantum processor comprising a reconfigurable router as a central hub. This enables any two qubits to connect and entangle, where in the older system, qubits can only talk to the qubits physically nearest to them.

  • Scientists develop cost-effective lasers for extended SWIR applications

    Updated: 2024-12-10 16:54:14
    A ground-breaking study showcases a significant advancement in laser technology, promising more affordable and scalable solutions for applications ranging from environmental monitoring to biomedical imaging. Researchers have developed the first colloidal quantum dot (CQD)-based laser capable of operating across the entire extended short-wave infrared (SWIR) spectrum.

  • A connection between quantum theory and information theory

    Updated: 2024-12-06 21:19:13
    With the help of a new experiment, researchers have succeeded in confirming a ten-year-old theoretical study, which connects one of the most fundamental aspects of quantum mechanics -- the complementarity principle -- with information theory. Their study provides a piece of the puzzle for understanding future quantum communication, metrology, and cryptography.

  • Milestone in defining electrical units

    Updated: 2024-12-04 16:43:14
    Scientists carried out an experiment that realizes a new kind of quantum standard of resistance. It's based on the Quantum Anomalous Hall Effect.

  • New laser technique achieves atomic-scale precision on diamond surfaces

    Updated: 2024-12-02 05:45:09
    Research is paving the way for advanced diamond-based technologies in electronics and quantum computing.

  • Physics experiment proves patterns in chaos in peculiar quantum realm

    Updated: 2024-12-02 05:33:26
    Where do you see patterns in chaos? It has now been demonstrated in the incredibly tiny quantum realm. Researchers detail an experiment that confirms a theory first put forth 40 years ago stating that electrons confined in quantum space would move along common paths rather than producing a chaotic jumble of trajectories.

  • A pathway towards new quantum devices: Electrically defined quantum dots in zinc oxide

    Updated: 2024-11-26 18:57:38
    Creating and controlling quantum dots via electrical methods, is likely to lead to new frontiers in the quest to develop stable and efficient qubits. Exploring how zinc oxide can be used in electrically defined quantum dots, researchers have unearthed some surprising phenomenon.

  • New theory reveals the shape of a single photon

    Updated: 2024-11-19 18:34:57
    A new theory, that explains how light and matter interact at the quantum level has enabled researchers to define for the first time the precise shape of a single photon.

  • Invisible touch: AI can feel and measure surfaces

    Updated: 2024-11-17 00:56:51
    Quantum-science advances using AI can measure very small surfaces and distances -- opening a world of medical, manufacturing and other applications.

  • New route to 'quantum spin liquid' materials discovered

    Updated: 2024-11-15 05:48:36
    Scientists have produced a new route to materials with complex 'disordered' magnetic properties at the quantum level. The material, based on a framework of ruthenium, fulfils the requirements of the 'Kitaev quantum spin liquid state' -- an elusive phenomenon that scientists have been trying to understand for decades.

  • Scientists find a new way of entangling light and sound

    Updated: 2024-11-14 05:57:35
    For a wide variety of emerging quantum technologies, such as secure quantum communications and quantum computing, quantum entanglement is a prerequisite. Scientists have now demonstrated a particularly efficient way in which photons can be entangled with acoustic phonons. The researchers were able to demonstrate that this entanglement is resilient to external noise, the usual pitfall of any quantum technology to date.

  • How 'clean' does a quantum computing test facility need to be?

    Updated: 2024-11-13 05:34:08
    How to keep stray radiation from 'shorting' superconducting qubits; a pair of studies shows where ionizing radiation is lurking and how to banish it.

  • In step forward for quantum computing hardware, physicist uncovers novel behavior in quantum-driven superconductors

    Updated: 2024-11-13 00:10:49
    A new study has uncovered important behavior in the flow of electric current through quantum superconductors, potentially advancing the development of future technologies like quantum computing.

  • Compact error correction: Towards a more efficient quantum 'hard drive'

    Updated: 2024-11-11 05:34:05
    Two quantum information theorists have solved a decades-old problem that will free up quantum computing power.

  • Quantum vortices confirm superfluidity in supersolid

    Updated: 2024-11-06 18:22:29
    Supersolids are a new form of quantum matter that has only recently been demonstrated. The state of matter can be produced artificially in ultracold, dipolar quantum gases. A team has now demonstrated a missing hallmark of superfluidity, namely the existence of quantized vortices as system's response to rotation. They have observed tiny quantum vortices in the supersolid, which also behave differently than previously assumed.

  • High-quality nanomechanical resonators with built-in piezoelectricity

    Updated: 2024-11-05 16:41:52
    Researchers have developed a novel type of nanomechanical resonator that combines two important features: high mechanical quality and piezoelectricity. This development could open doors to new possibilities in quantum sensing technologies.

  • Nanoscale transistors could enable more efficient electronics

    Updated: 2024-11-04 16:23:21
    Nanoscale 3D transistors made from ultrathin semiconductor materials can operate more efficiently than silicon-based devices, leveraging quantum mechanical properties to potentially enable ultra-low-power AI applications.

  • A new paradigm for control of quantum emitters

    Updated: 2024-10-31 04:42:28
    A research team developed a new paradigm for the control of quantum emitters, providing a new method for modulating and encoding quantum photonic information on a single photon light stream.

  • Breakthrough in magnetism could transform quantum computing and superconductors

    Updated: 2024-10-30 18:58:09
    A discovery by physicists is unlocking a new understanding of magnetism and electronic interactions in cutting-edge materials, potentially revolutionizing technology fields such as quantum computing and high-temperature superconductors.

  • Quantum simulator could help uncover materials for high-performance electronics

    Updated: 2024-10-30 18:57:39
    Researchers created a synthetic magnetic field using a superconducting quantum processor, which could enable them to precisely study complex phenomena in materials, like phase changes. This could shed light on properties of unique materials that may be used to create faster or more powerful electronics.

  • A rudimentary quantum network link between Dutch cities

    Updated: 2024-10-30 18:56:38
    Researchers have demonstrated a network connection between quantum processors over metropolitan distances. Their result marks a key advance from early research networks in the lab towards a future quantum internet. The team developed fully independently operating nodes and integrated these with deployed optical internet fiber, enabling a 25-km quantum link.

  • Researchers unlock a 'new synthetic frontier' for quantum dots

    Updated: 2024-10-25 23:45:17
    A new technique for growing quantum dots has not only found a new, more efficient way to build a useful type of quantum dot, but also opened up a whole group of novel chemical materials for future researchers' exploration. Replacing organic solvents with molten salt lets researchers grow 'previously unimaginable nanocrystals.'

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