Physics

Articles from Science Daily Physics News

Neutrons produce first direct 3-D maps of water during cell membrane fusion

New 3-D maps of water distribution during cellular membrane fusion are accelerating scientific understanding of cell development, which could lead to new treatments for diseases associated with cell fusion.

Quantum anomaly: Breaking a classical symmetry with ultracold atoms

A new study of ultracold atomic gases finds a quantum anomaly: strongly interacting particles breaking classical symmetry in a 2-D Fermi gas.

Lighting it up: A new non-toxic, cheap, and stable blue photoluminescent material

Scientists have designed a novel photoluminescent material that is cheap to fabricate, does not use toxic starting materials, and is very stable, enhancing our understanding of the quantic nature of photoluminescence.

How long does a quantum jump take?

Quantum jumps are usually regarded to be instantaneous. However, new measurement methods are so precise that it has now become possible to observe such a process and to measure its duration precisely -- for example the famous 'photoelectric effect', first described by Albert Einstein.

New nanoparticle superstructures made from pyramid-shaped building blocks

In research that may help bridge the divide between the nano and the macro, chemists have used pyramid-shaped nanoparticles to create what might be the most complex macroscale superstructure ever assembled.

Engineers develop first method for controlling nanomotors

Engineers have developed the world's first method for controlling the motion of nanomotors with simple visible light as the stimulus.

Two quantum dots are better than one: Using one dot to sense changes in another

Researchers developed the first device that can detect single-electron events in a self-assembled quantum dot in real time. The device detects the single-electron tunneling events of one quantum dot as changes in the current produced by a second quantum dot in close proximity. This device allows single-electron events in quantum dots to be investigated, which is beneficial for the development of photonic devices and quantum computing.

First particle tracks seen in prototype for international neutrino experiment

The largest liquid-argon neutrino detector in the world has just recorded its first particle tracks, signaling the start of a new chapter in the story of the international Deep Underground Neutrino Experiment (DUNE).

Searching for errors in the quantum world

The theory of quantum mechanics is well supported by experiments. Now, however, a thought experiment by physicists yields unexpected contradictions. These findings raise some fundamental questions -- and they're polarising experts.

Extremely small and fast: Laser ignites hot plasma

When light pulses from an extremely powerful laser system are fired onto material samples, the electric field of the light rips the electrons off the atomic nuclei. A plasma is created. The electrons couple with the laser light in the process. When flying out of the target, they pull the atomic cores behind them. In order to experimentally investigate this complex acceleration process scientists have developed a novel type of diagnostics for innovative laser-based particle accelerators.

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