News tagged with physical review letters

Related topics: electrons , atoms , quantum mechanics , quantum computing , magnetic field

Magnetic control of anomalous hall effect induced by spin chirality

Institute for Solid State Physics, the University of Tokyo and RIKEN announced that researchers from both institutes succeeded in the magnetic control of anomalous Hall effect (AHE) induced by spin chirality. Details were ...

Physics / General Physics

created Jun 29, 2011 | popularity 3 / 5 (2) | comments 0

A remarkable step toward next-generation energy-conservation

Tohoku University, Osaka University and Japan Science and Technology Agency (JST) announced that they succeeded in directly observing electron spins in a topological insulator. The work has been published in Physical Review Le ...

Physics / General Physics

created Jun 29, 2011 | popularity 4.5 / 5 (4) | comments 1

Physicists seek to quantify macroscopic quantum states

(PhysOrg.com) -- "Scientists have been interested in generating and observing macroscopic quantum superpositions in order to test quantum mechanics at the macroscopic scale," physicist Hyunseok Jeong of Seoul National University ...

Physics / Quantum Physics

created Jun 29, 2011 | popularity 4.3 / 5 (11) | comments 10 | with audio podcast feature

Weighted ping-pong balls can fall endlessly through a granular medium (w/ video)

(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting ...

Physics / General Physics

created Jun 27, 2011 | popularity 4.2 / 5 (12) | comments 38 | with audio podcast feature

Study finds single photons cannot exceed the speed of light

(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...

Physics / Optics & Photonics

created Jun 24, 2011 | popularity 4.5 / 5 (28) | comments 91 | with audio podcast feature

Learning more about phase transitions in small systems

(PhysOrg.com) -- "People want to understand phase transitions in a finite system by quantum simulation," Luming Duan tells PhysOrg.com. Duan is a professor at the University of Michigan, located in Ann Arbor. "Being able t ...

Physics / Quantum Physics

created Jun 23, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast feature

Putting a new spin on computing

(PhysOrg.com) -- Physicists at the University of Arizona have achieved a breakthrough toward the development of a new breed of computing devices that can process data using less power.

Physics / General Physics

created Jun 21, 2011 | popularity 4 / 5 (5) | comments 6 | with audio podcast

Under pressure, sodium and hydrogen could undergo a metamorphosis, emerging as a superconductor

(PhysOrg.com) -- In the search for superconductors, finding ways to compress hydrogen into a metal has been a point of focus ever since scientists predicted many years ago that electricity would flow, uninhibited, through ...

Physics / Superconductivity

created Jun 13, 2011 | popularity 4.6 / 5 (11) | comments 9 | with audio podcast

Ultrathin copper-oxide layers behave like quantum spin liquid

(PhysOrg.com) -- Magnetic studies of ultrathin slabs of copper-oxide materials reveal that at very low temperatures, the thinnest, isolated layers lose their long-range magnetic order and instead behave like ...

Physics / Superconductivity

created Jun 10, 2011 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

A molecule that switches on and off

A single molecule whose charge state and shape can be changed at will: the latest breakthrough at the CEMES should prove a key advantage in the race for miniaturization. In addition to controlling its charge ...

Nanotechnology / Nanophysics

created Jun 10, 2011 | popularity 4 / 5 (5) | comments 3

Einstein's theory applied to superconducting circuits

In recent years, UC Santa Barbara scientists showed that they could reproduce a basic superconductor using Einstein's general theory of relativity. Now, using the same theory, they have demonstrated that the Josephson junction ...

Physics / Superconductivity

created Jun 10, 2011 | popularity 4.4 / 5 (9) | comments 16 | with audio podcast

New imaging tech promising for diagnosing cardiovascular disease, diabetes

Researchers have developed a new type of imaging technology to diagnose cardiovascular disease and other disorders by measuring ultrasound signals from molecules exposed to a fast-pulsing laser.

Physics / General Physics

created Jun 09, 2011 | popularity not rated yet | comments 0 | with audio podcast

A hot body could help ships reduce drag

New research into drag reduction has the potential to help industries such shipping to reduce energy use and carbon emissions.

Physics / General Physics

created Jun 02, 2011 | popularity 3 / 5 (1) | comments 19

Making complex fluids look simple

An international research team has successfully developed a widely applicable method for discovering the physical foundations of complex fluids for the first time. Researchers at the University of Vienna and ...

Physics / Soft Matter

created Jun 01, 2011 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Physicists describe how to make time-reversed light pulses

(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves ...

Physics / General Physics

created May 31, 2011 | popularity 4.4 / 5 (17) | comments 44 | with audio podcast feature