Quantum Physics News

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Bath Researchers Pave the Way for Advancements in Quantum-Electrodynamics

Scientists at the University of Bath in the UK have found a way to bind together two photons of different colours, paving the way for important advancements in quantum-electrodynamics - the field of science that describes how light and matter interact. In time, the team's findings are likely to impact developments in optical and quantum communication, and precision measurements of frequency, time and distances.

3 Mar 2021

Electron Measurement Method Holds Key Implications for Solar Industry

For the first time, physicists from Tu Bergakademie Freiberg (TU Freiberg) have used a new technique to analyze the processes in a model system, such as an organic solar cell, at the femtosecond scale.

3 Mar 2021

Formation Process of Cetus Stream Reproduced Using Supercomputer

Several river-like structures formed of numerous stars occur around the Milky Way galaxy. These structures are known as stellar streams, and how they form remains a mystery.

3 Mar 2021

Polaritons can Simulate Artificial Molecules with Various Properties

Researchers from Skoltech and the University of Cambridge have shown that polaritons, the quirky particles that may end up running the quantum supercomputers of the future, can form structures behaving like molecules - and these "artificial molecules" can potentially be engineered on demand. The paper outlining these results was published in the journal Physical Review B Letters.

2 Mar 2021

Harnessing Light Energy to Power Production of Chemicals from CO2

Carbon dioxide (CO2) in the atmosphere is a major factor that drives global warming. However, this gas could also be a useful resource.

2 Mar 2021

New Method to Determine Surface Temperatures of Red Supergiants

The lives of red supergiants, a class of star, end as supernova explosions. To date, there are no clear insights into their lifecycles, partially because of the difficulties in quantifying their temperatures.

1 Mar 2021

Physicists Discover the Hall Effect in a Nonmagnetic Quantum Material

In a twist befitting the strange nature of quantum mechanics, physicists have discovered the Hall effect -- a characteristic change in the way electricity is conducted in the presence of a magnetic field -- in a nonmagnetic quantum material to which no magnetic field was applied.

1 Mar 2021

Meteorites Shed Light on Cosmic Origin of Heaviest Elements on the Periodic Table

A team of international researchers went back to the formation of the solar system 4.6 billion years ago to gain new insights into the cosmic origin of the heaviest elements on the periodic table.

1 Mar 2021

Study Assesses the Dynamics of Positron Acoustic Waves in Dense Plasmas

The investigation of Electron-Positron-Ion (EPI) plasma----a fully ionised gas of electrons and positrons that includes astrophysical plasmas like solar winds----has attracted a great deal of attention over the last twenty years. A new study published in EPJ D by Garston Tiofack, Faculty of Sciences, University of Marousa, Cameroon, and colleagues, assesses the dynamics of positron acoustic waves (PAWS) in EPI plasmas whilst under the influence of magnetic fields, or magnetoplasmas.

1 Mar 2021

Investigating the Roles of Cooperative Effects and Disorder in Photon Escape Rates from Atomic Gases

Whilst a great deal of research has studied the rates of photons escaping from cold atomic gases, these studies have used a scalar description of light leaving some of its properties untested.

1 Mar 2021