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Quantum Physics news
Infrared detectors made from quantum dots—a keener eye for the invisible
What do motion detectors, self-driving cars, chemical analyzers and satellites have in common? They all contain detectors for infrared (IR) light. At their core and besides readout electronics, such detectors usually consist ...
Optics & Photonics
14 hours ago
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Physics experiment proves patterns in chaos in peculiar quantum realm
Patterns in chaos have been proven, in the incredibly tiny quantum realm, by an international team co-led by UC Santa Cruz physicist Jairo Velasco, Jr. In a new paper published on November 27 in Nature, the researchers detail ...
Quantum Physics
Dec 2, 2024
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Quantum sensing using ultrafast laser pulses and a new class of molecular probes
In the effort to develop new quantum technologies of the future, scientists are pursuing several different approaches. One avenue seeks to use molecules as the fundamental building blocks of quantum technologies.
Optics & Photonics
Dec 2, 2024
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Observing higher-order and fractional discrete time crystals in Floquet-driven Rydberg atomic gases
A team experimentally observed higher-order and fractional discrete time crystals (DTCs) in periodically driven Rydberg atomic dissipative systems. Their study was published in Nature Communications. The team was led by Prof. ...
Optics & Photonics
Dec 2, 2024
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New laser technique achieves atomic-scale precision on diamond surfaces
Imagine placing an object under a microscope and pressing a button to rearrange the surface atoms with atomic-scale precision. This once sci-fi scenario is now a reality thanks to pioneering research published in Applied ...
Optics & Photonics
Dec 2, 2024
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'Spooky action' at a very short distance: Scientists map out quantum entanglement in protons
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and collaborators have a new way to use data from high-energy particle smashups to peer inside protons. Their approach uses quantum information ...
Quantum Physics
Dec 2, 2024
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Study provides experimental evidence of high harmonic generation producing quantum light
High harmonic generation (HHG) is a highly non-linear phenomenon where a system (for example, an atom) absorbs many photons of a laser and emits photons of much higher energy, whose frequency is a harmonic (that is, a multiple) ...
Optics & Photonics
Dec 2, 2024
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Advances in fine-tuning electron behavior in quantum materials could fast-track next generation of tech
Physicists at Loughborough University have made an exciting breakthrough in understanding how to fine-tune the behavior of electrons in quantum materials poised to drive the next generation of advanced technologies.
Condensed Matter
Dec 2, 2024
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Experiment realizes quantum advantage in data storage with a photonic quantum processor
In recent years, quantum physicists and engineers have been trying to develop quantum computer processors that perform better than classical computers on some tasks. Yet conclusive demonstrations proving that quantum systems ...
New spin quantum battery can be charged without an external field
Over the past few years, some researchers have been working on alternative energy storage systems that leverage the principles of quantum mechanics. These systems, known as quantum batteries, could be more efficient and compact ...
Promising strategy leverages atomic displacements to control quantum properties of a vanadate perovskite
Perovskites, materials with a crystal structure that mirrors that of the mineral calcium titanate CaTiO₃, exhibit properties that are advantageous for developing various technologies. For instance, they have proved promising ...
Researchers uncover link between quantum information theory and particle and condensed matter physics
Theoretical physicists have established a close connection between the two rapidly developing fields in theoretical physics, quantum information theory and non-invertible symmetries in particle and condensed matter theories, ...
Condensed Matter
Nov 29, 2024
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An unexpected delay in a standard quantum optical process generates pairs of photons
Since it was first demonstrated in the 1960s, spontaneous parametric down-conversion (SPDC) has been at the center of many quantum optics experiments that test the fundamental laws of physics in quantum mechanics, and in ...
Researchers use laser beams to pioneer new quantum computing breakthrough
Physicists from the University of the Witwatersrand (Wits) have developed an innovative computing system using laser beams and everyday display technology, marking a significant leap forward in the quest for more powerful ...
Optics & Photonics
Nov 29, 2024
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Physicists propose new approach that could unlock barriers to global scale quantum network
Interference (excess noise) to quantum signals from sunlight has slowed down the creation of a global scale quantum communications network, but now physicists at Heriot-Watt University have proposed a way to tackle this "daylight ...
Optics & Photonics
Nov 29, 2024
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Why did Louis de Broglie, Nobel laureate in physics, abandon his own pilot wave theory?
This week marks the centenary of the French physicist Louis de Broglie's doctoral thesis, which later earned him a Nobel prize for "his discovery of the wave nature of electrons." This discovery constitutes a central aspect ...
Quantum Physics
Nov 28, 2024
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Making quantum physics easier to digest in schools: Experts encourage focus on two-state systems
A team of physics educators from Italy, Hungary, Slovenia and Germany is focusing on a new approach to teaching quantum physics in schools. Traditional classroom teaching has tended to focus on presenting the history of the ...
Quantum Physics
Nov 27, 2024
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From sand to superposition: A key step toward a powerful silicon quantum computer
Whether it's our phones, cars, televisions, medical devices or even washing machines, we now have computers everywhere.
Condensed Matter
Nov 27, 2024
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Capturing complex atoms in optical tweezers
A team led by Francesca Ferlaino has set a new milestone in atomic physics by trapping individual erbium atoms in optical tweezers for the first time. Taking advantage of erbium's complex electronic structure, which opens ...
Optics & Photonics
Nov 27, 2024
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Quantum mechanism identified as a key to accelerating ocean temperatures
Accelerating rates of heat uptake by oceans that don't fit current climate models can now be explained by quantum physics, according to an Australian scientist.
General Physics
Nov 26, 2024
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More news
Simple method can recover and recycle quantum dots in microscopic lasers
Scientists develop novel high-fidelity quantum computing gate
New theory reveals the shape of a single photon
Long-lived Schrödinger's-cat state achieves Heisenberg-limited sensitivity
A new method for creating a quantum gas
Physicists create the first fully mechanical qubit
New route to quantum spin liquid materials discovered
Quantum computing researchers develop an 8-photon qubit chip
Other news
Webb observations discover new planet in Kepler-51 'super-puff' system
Tiny dancers: Scientists synchronize bacterial motion
Team links comet water to Earth's oceans
Chemical structure's carbon capture ability doubled by new research
Peat-bog fungi produce substances that kill tuberculosis-causing bacteria
Enzyme study sheds light on the molecular mechanism behind 'sleepiness'
Imaging synaptic vesicles in 3D: Researchers use cryo-electron tomography to uncover details of molecular structure
Scientists find a new way of entangling light and sound
How 'clean' does a quantum computing test facility need to be?
Decoding protein interactions to better understand how mutations contribute to disease
