News tagged with quantum energy

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

Physics / General Physics

created May 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Ultrafast laser pulses shed light on elusive superconducting mechanism

An international team that includes University of British Columbia physicists has used ultra-fast laser pulses to identify the microscopic interactions that drive high-temperature superconductivity.

Physics / Superconductivity

created Mar 29, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Dance like a neutrino: Quantum scheme to simulate neutrino oscillations

The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...

Physics / Quantum Physics

created Mar 21, 2012 | popularity 4.8 / 5 (6) | comments 1

Simulating strongly correlated fermions opens the door to practical superconductor applications

Combining known factors in a new way, theoretical physicists Boris Svistunov and Nikolai Prokof'ev at the University of Massachusetts Amherst, with three alumni of their group, have solved an intractable 50-year-old ...

Physics / General Physics

created Mar 18, 2012 | popularity 4.8 / 5 (13) | comments 5 | with audio podcast

Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)

(PhysOrg.com) -- During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has ...

Physics / General Physics

created Feb 01, 2012 | popularity 4.7 / 5 (77) | comments 143 | with audio podcast report

Study supports role of quantum effects in photosynthesis

(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...

Physics / General Physics

created Jan 25, 2012 | popularity 4.9 / 5 (13) | comments 7 | with audio podcast feature

Researchers boost solar concentrator efficiency

A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.

Physics / Optics & Photonics

created Jan 23, 2012 | popularity 4.4 / 5 (7) | comments 5 | with audio podcast

Scientists report first solar cell producing more electrons in photocurrent than solar photons entering cell

(PhysOrg.com) -- Researchers from the National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited ...

Physics / General Physics

created Dec 15, 2011 | popularity 4.8 / 5 (42) | comments 47 | with audio podcast

Researchers find more evidence of quantum processes at work in photosynthesis

(PhysOrg.com) -- Researchers working together from the University of Chicago and Washington University in St. Louis, have found more evidence that suggests quantum effects are at play as plants use energy from the sun to ...

Physics / General Physics

created Dec 07, 2011 | popularity 4.9 / 5 (8) | comments 9 | with audio podcast report

Artificial molecules: Researchers explore novel methods for assembly of quantum dots

(PhysOrg.com) -- Matthew Doty, assistant professor in the University of Delaware Department of Materials Science and Engineering, is co-author of two papers exploring novel methods for assembling quantum dots ...

Nanotechnology / Nanophysics

created Nov 23, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast

The impending revolution of low-power quantum computers

By 2017, quantum physics will help reduce the energy consumption of our computers and cellular phones by up to a factor of 100. For research and industry, the power consumption of transistors is a key issue. ...

Technology / Semiconductors

created Nov 22, 2011 | popularity 4.8 / 5 (16) | comments 5 | with audio podcast

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Physics / General Physics

created Nov 07, 2011 | popularity 5 / 5 (1) | comments 0

New knowledge about 'flawed' diamonds could speed the development of diamond-based quantum computers

A University at Buffalo-led research team has established the presence of a dynamic Jahn-Teller effect in defective diamonds, a finding that will help advance the development of diamond-based systems in applications ...

Physics / Quantum Physics

created Oct 11, 2011 | popularity 4.3 / 5 (4) | comments 1 | with audio podcast

Advance offers new opportunities in chemistry education, research

Researchers at Oregon State University have created a new, unifying method to describe a basic chemical concept called "electronegativity," first described almost 80 years ago by OSU alumnus Linus Pauling ...

Chemistry / Materials Science

created Oct 04, 2011 | popularity 5 / 5 (3) | comments 3 | with audio podcast

Scientists lay out plans for efficient harvesting of solar energy

Solar power could be harvested more efficiently and transported over long distances using tiny molecular circuits, according to research inspired by new insights into natural photosynthesis.

Chemistry / Materials Science

created Sep 23, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast