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Quantum Physics news

A newly proposed protocol to boost privacy in quantum sensor networks
Devices that leverage quantum mechanics effects, broadly referred to as quantum technologies, could help to tackle some real-world problems faster and more efficiently. In recent years, physicists and engineers have introduced ...

Quantum-inspired advancement turns crystal gaps into terabyte storage for classical memory
From punch card-operated looms in the 1800s to modern cellphones, if an object has an "on" and an "off" state, it can be used to store information.
Optics & Photonics
Feb 14, 2025
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Atomic traffic control—researchers develop novel technology for more precise quantum sensors
Quantum sensors can be significantly more precise than conventional sensors and are used for Earth observation, navigation, material testing, and chemical or biomedical analysis, for example. TU Darmstadt researchers have ...
Quantum Physics
Feb 14, 2025
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Fabrication method advances high-performance photon detector technology
From high-speed communication to quantum computing and sensing, the detection, transmission, and manipulation of light (photons) have transformed modern electronics. Central to these systems are photon detectors, which detect ...
Optics & Photonics
Feb 13, 2025
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Scientists achieve electrical manipulation of spin filling sequence in bilayer graphene quantum dots
A research team from the University of Science and Technology of China has demonstrated the ability to electrically manipulate the spin filling sequence in a bilayer graphene (BLG) quantum dot (QD). This achievement, published ...
Condensed Matter
Feb 13, 2025
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Physicists uncover evidence of two arrows of time emerging from the quantum realm
What if time is not as fixed as we thought? Imagine that instead of flowing in one direction—from past to future—time could flow forward or backwards due to processes taking place at the quantum level. This is the thought-provoking ...
Quantum Physics
Feb 13, 2025
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Homing in on ∆g: Study nearly nixes negative gluon spin
Researchers have been working for decades to understand the architecture of the subatomic world. One of the knottier questions has been where the proton gets its intrinsic angular momentum, otherwise referred to as its spin.
General Physics
Feb 12, 2025
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86

Scientists directly prove the existence of a nuclear-spin dark state
Quantum computers have the potential to revolutionize technology by solving complex calculations and computations that are difficult, if not impossible, for traditional computers. One major roadblock, however, is instability—quantum ...
Quantum Physics
Feb 12, 2025
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105

Q&A: Quantum state of photoelectrons measured for the first time
For the first time, researchers have been able to measure the quantum state of electrons ejected from atoms that have absorbed high-energy light pulses. This is thanks to a new measurement technique developed by researchers ...
Optics & Photonics
Feb 12, 2025
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Eliminating singularities: Physicists describe the creation of black holes through pure gravity
Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as singularities, i.e., points where the laws of physics break down. Identifying how singularities are resolved ...
General Physics
Feb 12, 2025
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Physicists find deformed nuclei when searching for 'dark forces'
When world-leading teams join forces, new findings are bound to be made. This is what happened when quantum physicists from the Physikalisch-Technische Bundesanstalt (PTB) and the Max Planck Institute for Nuclear Physics ...
General Physics
Feb 12, 2025
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Quantum computers successfully model particle scattering
Scattering takes place across the universe at large and miniscule scales. Billiard balls clank off each other in bars, the nuclei of atoms collide to power the stars and create heavy elements, and even sound waves deviate ...
Quantum Physics
Feb 11, 2025
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104

Exploiting photon colors for a high-performance quantum internet
Data security on the internet is under threat: in the future, quantum computers could decode even encrypted files sent over the internet in no time. Researchers worldwide are, therefore, experimenting with quantum networks ...
Optics & Photonics
Feb 11, 2025
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Physicists achieve fully optical readout of superconducting qubits
Qubits—the fundamental units of quantum information—drive entire tech sectors. Among them, superconducting qubits could be instrumental in building a large-scale quantum computer, but they rely on electrical signals and ...
Optics & Photonics
Feb 11, 2025
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Excitons in organic semiconductors: Unraveling their quantum entanglement and dynamics
Excitons, encountered in technologies like solar cells and TVs, are quasiparticles formed by an electron and a positively charged "hole," moving together in a semiconductor. Created when an electron is excited to a higher ...
Condensed Matter
Feb 10, 2025
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Entangling two physically separate resonators enables a major advance in the science of quantum sound
Entanglement—linking distant particles or groups of particles so that one cannot be described without the other—is at the core of the quantum revolution changing the face of modern technology.
Quantum Physics
Feb 10, 2025
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104

Qubits to qudits: Using quantum mechanics to transmit information more securely
In the realm of quantum information distribution, sending a signal from point A to point B is like a baseball pitcher relaying a secret pitch call to the catcher. The pitcher has to disguise the signal from the opposing team ...
Quantum Physics
Feb 10, 2025
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Simulating particle creation in an expanding universe using quantum computers
A new study published in Scientific Reports simulates particle creation in an expanding universe using IBM quantum computers, demonstrating the digital quantum simulation of quantum field theory for curved spacetime (QFTCS).

International collaboration sheds new light on the relationship between quantum theory and thermodynamics
Researchers from Nagoya University in Japan and the Slovak Academy of Sciences have unveiled new insights into the interplay between quantum theory and thermodynamics. The team demonstrated that while quantum theory does ...
General Physics
Feb 7, 2025
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216

Quantum simulator combines digital and analog modes to calculate physical processes with unprecedented precision
How does cold milk disperse when it is dripped into hot coffee? Even the fastest supercomputers are unable to perform the necessary calculations with high precision because the underlying quantum physical processes are extremely ...
Quantum Physics
Feb 6, 2025
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More news

Researchers develop first-of-its-kind quantum gate

Collaboration uncovers how gravity influences qubits

Atoms that measure magnetic fields could lead to new quantum sensors

Optical levitation traps nanospheres, revealing quantum-classical crossover
Other news

Simulations reveal Anderson transition for light in 3D disordered systems

Research reveals how Earth got its ice caps

'Work flow' music designed to improve performance does just that

AI and biophysical modeling unite for novel protein design

Harnessing atom-light interactions: A step towards stable quantum systems

Exploring a new qubit with the gemstone spinel
