Sentences with phrase «phase transition»
A phase transition is a change that happens to a substance when it goes from one form to another. It can be like when ice melts and becomes water, or when water boils and becomes steam. Full definition
This led to the current question; phase transitions in quantum field theories are well known.
sciencedaily.com
The system already allows researchers to obtain unique insights into transformations between different types of quantum phases, called quantum phase transitions.
The new phenomenon is a liquid - liquid phase transition, and until now it had only been seen in computer simulations of water models.
I base my current understanding on the law of conservation of energy where energy is neither created nor destroyed, but changes form through phase transition.
The two main routes by which a solid - solid phase transition can occur differ by whether the atoms move together or independently of one another.
At that point, there is a special class of continuous magnetic phase transition taking place at the absolute zero of temperature, driven by quantum - level fluctuations.
Her assignments usually involve chemistry and applied physics, but sometimes range into less familiar territory, such as information technology or conceptual papers on subjects like phase transition modeling.
Our goals are to address whether there is evidence for phase transitions or critical phenomena in financial data and to understand the behavioral processes that might move markets closer to critical points.
The identification of such universal properties is thus the key to understanding phase transitions.
Instead you have to ad hoc add their generation from hypothetical phase transitions of quantum fields as the universe cools.
To model a given phase transition, researchers must count up all the possible atom - level arrangements and pick the one with the lowest energy level.
But for symmetry reasons this would mean that gravitational theories should exhibit phase transitions too.
The research team's successful work opens up possibilities for investigating graphite - to - diamond phase transition in two - dimensional materials, according to the paper.
I figure you're probably familiar with the term phase transition — that kind of describes what's happening with solar power.
In the future, this technique might be used to explore quantum phase transitions and long - range quantum magnets.
«The test with the bulk sample showed us that the Raman signals can be used as a kind of the fingerprint of phase transition at temperatures around 118 Kelvin, or minus 155 degrees Celsius.
The researchers note that in such a thin layer, the water molecules can't move around very much, and so their effective temperature is much lower than — 17 °C, perhaps close to — 45 °C, the proposed phase transition between HDL and LDL water.
Dr. Jerison studies systems governed by simple rules that nonetheless exhibit complex behaviors, such as phase transitions — for instance, when a slight temperature increase causes ice to melt into liquid water; and threshold phenomena — for instance, when a small extra deposit of soil causes a stable slope to topple over into a landslide.
For example, this could mean investigating whether the predicted universal relation is valid qualitatively or quantitatively for the same type and different type of quantum phase transitions occurring in other models than that considered here.
The idea of describing space - time as a fluid undergoing phase transitions (17 March, p 30) sounds suspiciously like a «luminiferous...
Our work compares the predictions of a theory of nonequilibrium phase transitions with nonstandard statistical signatures of earthquake complex scaling behaviors.
Schematic shows the configuration for structural phase transition on a molybdenum ditelluride monolayer (MoTe2, shown as yellow and blue spheres), which is anchored by a metal electrodes (top gate and ground).
However, until recently it was not possible to directly measure how such phase transitions proceed on small length scales.
A joint research group succeeded in observing the topological phase transition in which a material changes to the topological electronic phase by using soft X-rays, light suitable for determining the topology of materials by their substances rather than by their appearance.
Nanoscale resolution makes it possible to characterize the local temperature during phase transitions in materials — an impossibility with techniques that do not have the spatial resolution of HERMES spectroscopy.
Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.
Resume: GeTe, a well - known ferroelectric and thermoelectric material, undergoes a structural phase transition from a rhombohedral to the rocksalt structure at ~ 600 - 700 K.
The article «Multiple pathways in pressure - induced phase transition of coesite,» written by the international cooperative, was published in Proceedings of the National Academy of Sciences (PNAS).
Incorporating phase transitions into traffic models will be «a real challenge,» warns Stefan Krauss, a traffic researcher at the German Aerospace Center in Cologne, because modeling efforts so far have focused on average traffic levels rather than jumps between traffic states.
Nonequilibrium Phase Transitions in Cuprates Observed by Ultrafast Electron Crystallography
Because such shifts in olivine change the structure of earth's subducted lithosphere, the new phase transition mechanism could help explain the origins of some deep earthquakes.
But we are interested in the question, which phase transitions are possible for time and space and how the mathematical structure of spacetime can be described» says Grumiller.
Mucciolo and fellow physicists Claudio Chamon and Andrei Ruckenstein of BU overcame this hurdle by mapping the original computational problem onto an elegant statistical model without phase transitions, which they called the vertex model.
In a separate study that is just beginning, he is working with Manning and her colleagues at Syracuse to look for phase transitions not just in cancer cells themselves, but also in the matrix of fibers that surrounds tumors.
The University of Arkansas research team investigated the liquid — liquid phase transition using a simulation model called Water potential from Adaptive Force Matching for Ice and Liquid (WAIL).
Browning highlighted the wealth of new information 4D - EM has revealed about how electronic phase transitions occur in individual nanoparticles, how the particle - to - particle variability changes the speed and magnitude of the transition, and how interactions between nanoparticles control the ensemble - average response of the system.
Liu, L. Mclerran, N. Turok, Bubble Nucleation and Growth at a Baryon Number Producing Electroweak Phase Transition, Physical Review D46, 1992, 2668
They were investigating phase transitions in perovskite solar cells and trying to improve the stability in the prototypical organic - inorganic hybrid perovskite methylammonium lead iodide.
In fact, he has co-opted the mathematics of exotic phase transitions to build his theory of gravity.
Prof. Umeda found that inhibiting CDKs even with the absence of DNA damage would cause the Rep - MYB3R accumulation seen with DNA damage and stall the cell cycle before the M phase transition.
«On the brink of chaos: Physicists find phase transition in visual cortex.»