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Quantum Physics news
Quantum computers can solve combinatorial optimization problems more easily than conventional methods, research shows
The traveling salesman problem is considered a prime example of a combinatorial optimization problem. Now a Berlin team led by theoretical physicist Prof. Dr. Jens Eisert of Freie Universität Berlin and HZB has shown that ...
Quantum Physics
18 hours ago
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Elegant use of noise for quantum computing
Scientists around the world work hard to rinse quantum systems for noise, which may disturb the function of tomorrow's powerful quantum computers. Researchers from the Niels Bohr Institute (NBI) have found a way to use noise ...
Quantum Physics
21 hours ago
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Exotic molecules embedded into continuum refuse to break apart, defying initial expectations
Researchers have unveiled the extraordinary behavior of weakly-bound three-atomic molecules, defying conventional understanding of quantum mechanics. In a study recently published in Nature Communications, a team of scientists ...
Quantum Physics
Mar 14, 2024
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Quantum dance to the beat of a drum: Researchers observe how energy of single electron is tuned by surrounding atoms
Physicists at the University of Regensburg have choreographed the shift of a quantized electronic energy level with atomic oscillations faster than a trillionth of a second.
Optics & Photonics
Mar 14, 2024
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Researchers achieve quantum key distribution for cybersecurity in novel experiment
Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated that advanced quantum-based cybersecurity can be realized in a deployed fiber link.
Optics & Photonics
Mar 13, 2024
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A new ion trap for larger quantum computers
Researchers at ETH have managed to trap ions using static electric and magnetic fields and to perform quantum operations on them. In the future, such traps could be used to realize quantum computers with far more quantum ...
Quantum Physics
Mar 13, 2024
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Powerful new tool ushers in new era of quantum materials research
Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, transportation, and medtech.
Condensed Matter
Mar 12, 2024
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Exploring exotic behaviors in population-imbalanced fermionic systems
Over the past 20 years, many physicists have studied ultra-cold fermionic systems contained in magnetic or optical traps. When an external magnetic field is applied to a two-species fermionic system, the particles can pair ...
Condensed Matter
Mar 12, 2024
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86
Quantum-mechanical 'molecules' spotted in superconducting devices
Electronic states that resemble molecules and are promising for use in future quantum computers have been created in superconducting circuits by physicists at RIKEN.
Superconductivity
Mar 11, 2024
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Quantum imaging could create bright future for advanced microscopes
The unique properties of quantum physics could help solve a longstanding problem that prevents microscopes from producing sharper images at the smallest scales, researchers say.
Optics & Photonics
Mar 8, 2024
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103
Classifying quantum secrets: Pendulum experiment reveals insights into topological materials
A recent study conducted at Tel Aviv University has devised a large mechanical system that operates under dynamical rules akin to those found in quantum systems. The dynamics of quantum systems, composed of microscopic particles ...
General Physics
Mar 7, 2024
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138
Exploring the surface properties of NiO with low-energy electron diffraction
Spintronics is a field that deals with electronics that exploit the intrinsic spin of electrons and their associated magnetic moment for applications such as quantum computing and memory storage devices. Owing to its spin ...
Condensed Matter
Mar 7, 2024
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Optically trapped quantum droplets of light can bind together to form macroscopic complexes
Condensed matter systems and photonic technologies are regularly used by researchers to create microscale platforms that can simulate the complex dynamics of many interacting quantum particles in a more accessible setting. ...
Optics & Photonics
Mar 7, 2024
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184
Scientists propose new scheme for the quantum battery using waveguides
A new study by researchers at Lanzhou University and Hubei University proposes a quantum battery (QB) charging scheme based on a rectangular hollow metal waveguide. This approach allows them to overcome environment-induced ...
LHCb finds bottom quarks are more likely to exist in baryons than mesons as the environment density increases
The team of physicists working on the LHCb Collaboration at CERN has found that bottom quarks are more likely to exist in baryons than mesons as the density of the environment in which they exist increases. In their paper ...
Weird electron behavior gets even weirder: Charge fractionalization observed spectroscopically
A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of ...
Condensed Matter
Mar 6, 2024
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Photons that make quantum bits 'fly' for stable exchange of information in quantum computers
Two physicists at the University of Konstanz are developing a method that could enable the stable exchange of information in quantum computers. In the leading role: photons that make quantum bits "fly."
Optics & Photonics
Mar 6, 2024
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New method measures the 3D position of individual atoms
For more than a decade it has been possible for physicists to accurately measure the location of individual atoms to a precision smaller than one-thousandth of a millimeter using a special type of microscope. However, this ...
Optics & Photonics
Mar 5, 2024
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Scientists launch hub to channel quantum power for good
Scientists will work to channel the huge emerging power of quantum computers for the common good at a new institute that opened in Geneva on Tuesday, its founders said.
Quantum Physics
Mar 5, 2024
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Open quantum system shows universal behavior
Universal behavior is a central property of phase transitions, which can be seen, for example, in magnets that are no longer magnetic above a certain temperature. A team of researchers from Kaiserslautern, Berlin and Hainan, ...
Quantum Physics
Mar 5, 2024
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