Sentences with phrase «of plasma physicists»

Not exact matches

Over lunch in the staff cafeteria, theoretician John Ellis explains that this idea has already fallen out of fashion, mainly because that theory supposed to be a quark - gluon plasma smooth, disconnected gas, but earlier this year, physicists at Brookhaven National Laboratory caught a glimpse of the quark - gluon plasma and discovered that it looks much more like a thick, viscous liquid.

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high - confinement mode (H - mode) that sustains fusion reacPlasma Physics Laboratory (PPPL) have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high - confinement mode (H - mode) that sustains fusion reacplasma to the high - confinement mode (H - mode) that sustains fusion reactions.

«This study is an incremental step toward a fuller understanding of turbulence,» said physicist Stewart Zweben, lead author of the research published in the journal Physics of Plasmas.

When the laser pulse has ionized the air, a current begins to pass between the electrodes and, as a result, the physicists are able to assess the appearance of the plasma clusters formed under the influence of the light that has formed into filaments.

That time scale of a few minutes fits well with models of the circuit's behavior, says plasma physicist Goran Marklund of the Royal Institute of Technology in Stockholm, Sweden.

The New Calculus Other physicists, meanwhile, are employing string theory methodologies in their study of extreme matter states — from the intensely hot plasmas produced in particle colliders to materials created in laboratories at temperatures close to absolute zero.

Two young plasma physicists at Chalmers University of Technology have now taken us one step closer to a functional fusion reactor.

A computer code used by physicists around the world to analyze and predict tokamak experiments can now approximate the behavior of highly energetic atomic nuclei, or ions, in fusion plasmas more accurately than ever.

The new capability, developed by physicist Mario Podestà at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by instabilities in the plasma that fuels fusion reacPlasma Physics Laboratory (PPPL), outfits the code known as TRANSP with a subprogram that simulates the motion that leads to the loss of energetic ions caused by instabilities in the plasma that fuels fusion reacplasma that fuels fusion reactions.

He explains the extent to which physicists» understanding of the mechanisms governing turbulent transport in such high - temperature plasmas has been critical in improving the advances towards harvesting fusion energy.

Physicists found in the 1980s that toroidally shaped plasmas of the tokamak type offer a path to low turbulence thanks to their ability to self - organise.

Theoretical physicists Dam Thanh Son and Andrei Starinets, for example, collaborated on an idea that used black hole math to predict the viscosity of an ultrahot gas, or plasma, that forms in certain particle collider experiments.

Although the notion of the plasma antenna has been knocked around in labs for decades, Ted Anderson, president of Haleakala Research and Development — a small firm in Brookfield, Mass. — and physicist Igor Alexeff of the University of Tennessee — Knoxville have recently revived interest in the concept.

Researchers led by space physicist Chuanfei Dong of the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) and Princeton University have recently raised doubts about water on — and thus potential habitability of — frequently cited exoplanets that orbit red dwarfs, the most common stars in the Milky Way.

... A team of German and Russian physicists have pioneered a new technique for particle acceleration, called proton - driven plasma - wakefield acceleration (PWFA).

This had been predicted as a relic from when hot ionized plasma of the early universe first cooled sufficiently to form neutral hydrogen and allow space to become transparent to light, and its discovery led to general acceptance among physicists that the Big Bang is the best model for the origin and evolution of the universe.

He is an experimental plasma physicist with interests in the basic physics of plasma confinement and configuration optimization.

The goal of fusion physicists is to use the heat from a fusing plasma to keep the reaction going indefinitely, without the need to pump in external energy.

«We have made, by far, the most precise extraction to date of a key property of the quark - gluon plasma, which reveals the microscopic structure of this almost perfect liquid,» says Xin - Nian Wang, physicist in the Nuclear Science Division at Berkeley Lab and managing principal investigator of the JET Collaboration.

Director Holzworth is a plasma physicist who is interested in what happens in the outer edges of the atmosphere.

That form of matter, a superdense state called a quark - gluon plasma, has long been a goal of particle physicists.

Storms on the sun catapult charged particles into space at tremendous speeds, says plasma physicist Ruth Bamford of the Rutherford Appleton Laboratory in Didcot, England.

Solar physicist Bart De Pontieu of the Lockheed Martin Solar and Astrophysics Laboratory in Palo Alto, California, and his colleagues report in the 7 January issue of Science that they can trace jets of plasma, or ionized gas, rising into the corona.

Physicists aim to solve this mystery by mapping the coronal loops: streams of hot, glowing plasma that follow magnetic field lines...

«This new way of looking at burning plasma physics allowed us to understand this previously impenetrable problem,» said Mr Qu, a theoretical physicist in ANU Research School of Physics and Engineering.

Shi developed the paper with assistance from co-authors Nat Fisch, director of the Program in Plasma Physics and professor and associate chair of astrophysical sciences at Princeton University, and Hong Qin, a physicist at PPPL and executive dean of the School of Nuclear Science and Technology at the University of Science and Technology of China.

2 Fusion On Tap Plasma physicist Eric Lerner has a dream: a form of nuclear energy so clean it generates no radioactive waste, so safe it can be located in the heart of a city, and so inexpensive it provides virtually unlimited power for the dirt - cheap price of $ 60 per kilowatt — far below the $ 1,000 - per - kilowatt cost of electricity from natural gas.

Plasma physicist Michael Keidar, director of the George Washington Institute for Nanotechnology in Washington, D.C., and his colleagues have a five - year, $ 445,000 grant to investigate the physical effects of plasma on thePlasma physicist Michael Keidar, director of the George Washington Institute for Nanotechnology in Washington, D.C., and his colleagues have a five - year, $ 445,000 grant to investigate the physical effects of plasma on theplasma on the body.

This week on the podcast, we'll enter the fascinating world of plasma — not the blood kind, the physics kind — with Stanford University physicist Roger Blandford.

«How they lived I don't know,» says Valentin Smirnov, a director of Triniti and one of Russia's leading plasma physicists.

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have helped develop a new computer model of plasma stability in doughnut - shaped fusion machines known as tokPlasma Physics Laboratory (PPPL) have helped develop a new computer model of plasma stability in doughnut - shaped fusion machines known as tokplasma stability in doughnut - shaped fusion machines known as tokamaks.

In 1942, Swedish physicist and engineer Hannes Alfvén predicted the existence of a new type of wave due to magnetism acting on a plasma, which led him to obtain the Nobel Prize for Physics in 1970.

Physicists working with plasma jets, made of a stream of ionised matter, have just discovered a new phenomenon.

«The interesting thing about our ideas on mass separation is that it is a form of magnetic confinement, so it fits well within the Laboratory's culture,» said physicist Nat Fisch, co-author of the paper and director of the Princeton University Program in Plasma Physics.

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) are proposing a new way to process nuclear waste that uses a plasma - based centrPlasma Physics Laboratory (PPPL) are proposing a new way to process nuclear waste that uses a plasma - based centrplasma - based centrifuge.

Physicist Peter Steinberg explains the nature of the quark gluon plasma (QGP), a new state of matter produced at Brookhaven Lab's Relativistic Heavy Ion Collider (RHIC).

She also explained how physicists, including those using the PHENIX detector at RHIC, are exploring the geometry of the nuclei's impact zones to determine just how small quark - gluon plasma can be.

She then explained how collisions at RHIC enable physicists to probe deeper into the mysteries of quark - gluon plasma and the strong force.

For PPPL physicist Erik Gilson, the plasma source he designed for the accelerator marks the third generation of components that he has created for Berkeley Lab projects that are part of the Heavy Ion Fusion Science Virtual National Laboratory, a joint venture of PPPL, Berkeley Lab, and Lawrence Livermore National Laboratory.

New research indicates that understanding the combined heating shows how we could improve the production of fusion in ITER and other next - generation fusion facilities — a key finding of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), the DIII - D National Fusion Facility that General Atomics operates for the DOE, and other collaborators.

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has Plasma Physics Laboratory (PPPL) has found.

Also expected to benefit are physicist Weixing Wang, who seeks advanced visualization of the data from turbulence simulation runs, and physicists Josh Breslau and Steve Jardin, who use animated visualizations to help interpret the output of their magnetohydrodynamic codes, which treat plasma as a magnetic fluid.

They include a scientific code that physicist Seung - Hoe Ku runs on two of the world's most powerful supercomputers to study turbulence at the volatile edge of fusion plasmas.

Tilo Döppner is an experimental physicist who has significantly contributed to the exploration of HED plasmas and matters at extreme conditions, with relevance to fundamental science, inertial confinement fusion (ICF) and national security applications.

Wing teamed with physicist Jay Johnson of the U.S. Department of Energy's Princeton Plasma Physics Laboratory, a long - time collaborator, to investigate further.

Early evidence for the waves was found several decades ago by Princeton astrophysicist Joseph Taylor and Russell Hulse, a former physicist for the U.S. Department of Energy's Princeton Plasma Physics Laboratory.

«So, the question was whether lithium will have the same effect on tungsten walls as it does with carbon walls,» said PPPL physicist Rajesh Maingi, lead author with Jiansheng Hu of the Institute of Plasma Physics at the Chinese Academy of Sciences (ASIPP) of a paper describing the results in the journal Nuclear Fusion.

The award honors Katherine Weimer, a pioneering research physicist at the Princeton Plasma Physics Laboratory at Princeton University, and was established by DPP to recognize and encourage outstanding achievement in plasma science research by a woman physicist in the early years of her cPlasma Physics Laboratory at Princeton University, and was established by DPP to recognize and encourage outstanding achievement in plasma science research by a woman physicist in the early years of her cplasma science research by a woman physicist in the early years of her career.

PPPL collaborations with physicists at Princeton University and the State University of New York at Stony Brook have now uncovered a method for speeding the growth of nanoparticles — a step toward understanding, predicting and controlling the synthesis of plasma to produce the prized material.

Deeply involved in the new 15 - week run are PPPL physicists Sam Lazerson and Novimir Pablant, who are spending two years at the Max Planck Institute of Plasma Physics in Greifswald, Germany.