Tag Archive for 'Bose-Einstein condensate'

Schouten et al. find links at the atomic level between photosynthesis and exciton condensates, a strange state of physics that allows energy to flow frictionlessly through a material. Image credit: Evgeni Tcherkasski.

New Study Finds Link between Photosynthesis and Exciton Condensates

May 3, 2023 by News Staff

Bose-Einstein condensation of excitons — in which excitons condense into a single coherent quantum state, known as an exciton condensate —...

A ‘domain wall’ in this image is the lighter line between two groups of atoms. Image credit: Kai-Xuan Yao.

New Kind of Quantum Object Created

Feb 17, 2022 by News Staff

Physicists at the University of Chicago have demonstrated formation of a new kind of quantum object — dubbed a ‘domain wall’ — in a Bose-Einstein...

Zhang et al. demonstrate the long-sought transition between atomic and molecular condensates, the bosonic analogue of the crossover from a Bose-Einstein condensate to a Bardeen-Cooper-Schrieffer superfluid in a Fermi gas. Image credit: Zhang et al., doi: 10.1038/s41586-021-03443-0.

Physicists Turn Atomic Bose-Einstein Condensate into Molecular One

Apr 29, 2021 by News Staff

Molecular quantum gases (that is, ultracold and dense molecular gases) have many potential applications, including quantum control of chemical reactions,...

The optical microresonator filled with dye solution (yellow); on the right is a microscope objective used to observe and analyze the light emerging from the resonator. Image credit: Gregor Hübl / University of Bonn.

Physicists Observe New Phase in Quantum Condensate of Light

Apr 2, 2021 by Enrico de Lazaro

Physicists at the University of Bonn have experimentally observed a new, previously unknown phase in the photon Bose-Einstein condensate. The optical microresonator...

The Unruh effect predicts a thermal response for an accelerated detector moving through the vacuum. Gooding et al. propose an interferometric scheme to observe an analogue of the circular Unruh effect using a localized laser coupled to a Bose-Einstein condensate. Image credit: University of Nottingham.

Physicists Propose New Method for Observing Hypothetical Unruh Effect

Nov 23, 2020 by News Staff

The Unruh effect was described by Stephen Fulling in 1973, Paul Davies in 1975, and William Unruh in 1976. Sometimes called the Fulling-Davies-Unruh effect,...

A simulation of the large-scale structure of the Universe with filaments of dark matter in blue and places of galaxy formation in yellow. Image credit: Zarija Lukic / Lawrence Berkeley National Laboratory.

New Candidate Particle for Dark Matter: D-Star Hexaquark

Mar 4, 2020 by Enrico de Lazaro

Dark matter is the mysterious substance that makes up roughly a quarter of the Universe. There is strong indirect evidence for its existence from measurements...

A cloud of atoms is held above a chip by electromagnetic fields; the EPR paradox was observed between the spatially separated regions A and B. Image credit: Department of Physics, University of Basel.

Physicists Observe Einstein-Podolsky-Rosen Paradox in Bose-Einstein Condensate

Apr 30, 2018 by News Staff

A team of researchers in Switzerland has observed the quantum mechanical Einstein-Podolsky-Rosen paradox in a system of interacting ultracold atoms. Their...

An expanding, ring-shaped Bose-Einstein condensate shares several striking features with the early Universe. Image credit: Emily Edwards, University of Maryland.

Rapidly Expanding Bose-Einstein Condensate Could Offer Insight into Unanswered Cosmological Questions

Apr 23, 2018 by News Staff

The rapid expansion of a Bose-Einstein condensate (BEC), a cloud of atoms cooled to temperatures very near to absolute zero in which all the atoms occupy...

The wavelength of emitted light grows, that is, the energy decreases, along the gold nanorod array; a Bose–Einstein condensate forms when an energy minimum of the lattice is reached. Image credit: Tommi Hakala & Antti Paraoanu, Aalto University.

Physicists Create Bose-Einstein Condensate of ‘Surface Plasmon Polaritons’

Apr 18, 2018 by News Staff

A team of physicists at Aalto University in Finland has successfully created a Bose-Einstein condensate of light coupled with metal (gold) electrons, so-called...

Artistic impression of a quantum ball lighting. Image credit: Heikka Valja.

Physicists Create ‘Shankar Skyrmion’ — Quasiparticle with Properties of Ball Lightning

Mar 5, 2018 by News Staff

An international team of physicists from Amherst College and Aalto University has created the Shankar skyrmion, a quasiparticle consisting of a knotted...

The artist’s rendering shows how potential ‘wells’ are created for photons in the microresonator through heating with an external laser beam (green). Image credit: David Dung, University of Bonn.

Physicists Experiment with ‘Super-Photons’

Aug 15, 2017 by News Staff

A team of physicists at the University of Bonn in Germany has developed a technique to create optical ‘wells’ for a photonic Bose-Einstein condensate. The...

This is an artistic view of the decay of a quantum-mechanical monopole into a Dirac monopole. Image credit: Heikka Valja.

Physicists Experimentally Observe Decay of Quantum Monopole

May 18, 2017 by News Staff

An international team of physicists from Finland and the United States has made the first experimental observations of the dynamics of isolated monopoles...

Physicists Create Fluid with ‘Negative Mass’

Apr 18, 2017 by News Staff

An international team of physicists from the United States, Japan, and China has created a fluid with negative mass, which is exactly what it sounds like....

Artist’s concept of a magneto-optical trap and atom chip to be used by NASA’s Cold Atom Laboratory aboard the International Space Station. CAL will provide an opportunity to study ultra-cold quantum gases in the microgravity environment of the space station -- a frontier in scientific research that is expected to reveal interesting and novel quantum phenomena. Image credit: NASA / JPL-Caltech.

NASA’s Cold Atom Laboratory to Create ‘Coolest Spot in Universe’

Mar 8, 2017 by News Staff

This summer, a suite of instruments called the Cold Atom Laboratory (CAL) will fly to the International Space Station (ISS), where it will utilize the...

Illustration of a supersolid state, in which the properties of a frictionless fluid and a crystalline state coincide. Image credit: Julian Léonard, ETH Zurich.

Supersolid: Physicists Create New State of Matter

Mar 4, 2017 by News Staff

Two teams of physicists have independently created a mysterious new state of matter. The state is known as a supersolid and it combines the properties...