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Search results for nonequilibrium dynamics

General Âé¶¹ÒùÔºics Nov 28, 2014

Scientists film magnetic memory in super slow-motion

Researchers at DESY have used high-speed photography to film one of the candidates for the magnetic data storage devices of the future in action. The film was taken using an X-ray microscope and shows magnetic vortices being ...

Quantum Âé¶¹ÒùÔºics Aug 4, 2014

Study explains how Maxwell's demon uses mutual information to extract work

(Âé¶¹ÒùÔº) —Maxwell's demon, the hypothetical doorman that controls how particles travel between two chambers in an attempt to decrease entropy, is at its heart a feedback-controlled system. The demon makes measurements ...

Condensed Matter Jun 12, 2014

Model system used to illustrate phase transition of a mixture of active and passive particles

Systems containing self-propelling particles, such as bacteria or artificial colloidal particles, are always out of equilibrium but may show interesting transitions between different states, reminiscent of phase transitions ...

General Âé¶¹ÒùÔºics May 26, 2014

Relaxation helps pack DNA into a virus

Researchers at the University of California, San Diego have found that DNA packs more easily into the tight confines of a virus when given a chance to relax, they report in a pair of papers to be published in in the early ...

Condensed Matter Apr 10, 2014

Solute redistribution profiles during rapid solidification of undercooled ternary Co-Cu-Pb alloy

Researchers at the Department of Applied Âé¶¹ÒùÔºics, Northwestern Polytechnical University, in Xi'an, China, are engaged in revealing the mysteries of solidification process and the development of new materials using self-designed ...

Condensed Matter Jan 31, 2014

It's alive! Scientists combine liquid crystals and living bacteria

(Âé¶¹ÒùÔº) —The prospect of integrated living organisms into a non-living substrate has long held a compelling appeal for those investigating active matter – the study of a type of easily-deformable out of equilibrium ...

General Âé¶¹ÒùÔºics Feb 11, 2013

Ultrafast X-ray spectroscopy as a probe of nonequilibrium dynamics in ruthenium complexes

(Âé¶¹ÒùÔº)—Exciting the atoms or molecules of a substance via the use of visible light, or photoexcitation, can play a significant role in a range of energy-conversion processes, such as natural photosynthesis (oxygen from ...

General Âé¶¹ÒùÔºics Jan 3, 2013

How computers push on the molecules they simulate

Because modern computers have to depict the real world with digital representations of numbers instead of physical analogues, to simulate the continuous passage of time they have to digitize time into small slices. This kind ...

General Âé¶¹ÒùÔºics Jun 22, 2011

Startling thermal energy behavior revealed by neutron scattering

(Âé¶¹ÒùÔºOrg.com) -- A discovery by researchers working at the Spallation Neutron Source upends long held assumptions about the microscopic behavior of materials in an equilibrium condition. The findings could influence further ...

Mathematics Jul 23, 2009

Technology on way to forecasting humanity's needs

Much as meteorologists predict the path and intensity of hurricanes, Indiana University's Alessandro Vespignani believes we will one day predict with unprecedented foresight, specificity and scale such things as the economic ...

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