Search results for Bose-Einstein condensate

Optics & Photonics May 6, 2021

Homing in on the smallest possible laser

At extremely low temperatures, matter often behaves differently than in normal conditions. At temperatures only a few degrees above absolute zero (-273 degrees Celsius), physical particles may give up their independence and ...

Quantum Physics Apr 28, 2021

Scientists harness molecules into single quantum state

Researchers have big ideas for the potential of quantum technology, from unhackable networks to earthquake sensors. But all these things depend on a major technological feat: being able to build and control systems of quantum ...

General Physics Apr 13, 2021

Atom interferometry demonstrated in space for the first time

Extremely precise measurements are possible using atom interferometers that employ the wave character of atoms for this purpose. They can thus be used, for example, to measure the gravitational field of the Earth or to detect ...

Superconductivity Apr 7, 2021

Gate-controlled ground state crossover in a two-dimensional superconductor

In the paired fermion systems, the Bardeen-Cooper-Schrieffer (BCS) superfluidity and Bose-Einstein condensation (BEC) are two extreme limits of the ground state. In a new report in Science, Yuji Nakagawa and a team of scientists ...

Optics & Photonics Apr 1, 2021

Physicists observe new phase in Bose-Einstein condensate of light particles

About 10 years ago, researchers at the University of Bonn produced an extreme aggregate photon state, a single "super-photon" made up of many thousands of individual light particles, and presented a completely new light source. ...

General Physics Mar 11, 2021

Observing the birth of a quasiparticle

Over the past decades, physicists worldwide have been trying to gain a better understanding of non-equilibrium dynamics in quantum many-body systems. Some studies investigated what are known as quasiparticles, disturbances ...

General Physics Mar 9, 2021

Evidence of superfluidity in a dipolar supersolid

Superfluidity in liquids and gases can manifest as a reduced moment of inertia (the rotational analog of mass) under slow rotations. Non-classical rotational effects can also be considered in the elusive supersolid phases ...

Quantum Physics Mar 5, 2021

New quantum theory heats up thermodynamic research

Researchers have developed a new quantum version of a 150-year-old thermodynamical thought experiment that could pave the way for the development of quantum heat engines.

Condensed Matter Mar 2, 2021

Ultracold atom interferometry in space

In 2017, a team of researchers led by Leibniz University Hannover succeeded in generating Bose-Einstein condensates in space within the scope of the MAIUS-1 rocket mission. Bose-Einstein condensates describe a highly unusual ...

General Physics Mar 1, 2021

Second order optical merons, or light pretending to be a ferromagnet

One of the key concepts in physics, and science overall, is the notion of a 'field' which can describe the spatial distribution of a physical quantity. For instance, a weather map shows the distributions of temperature and ...

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