Sentences with phrase «magnetic phenomena in»

Exploring quantum magnetic phenomena in materials has been a difficult, exciting, and diverse subject.

One puzzle for physicists from Newton's day on has been how to understand light, and indeed electro - magnetic phenomena in general.

Not exact matches

MRIs work by tapping into an astonishing phenomenon: When placed in a powerful magnetic field, the hydrogen atoms in water molecules behave like small bar magnets.

A research team in India has developed a set of numerical computations to shed light on this phenomenon, and present this week in Physics of Plasmas, from AIP Publishing, analysis examining the role of chaotic magnetic fields in potential heating mechanisms.

«This result is also significant because it shows that the Hall effect, a phenomenon first discovered in terrestrial materials and which is thought to help weaken a magnetic field through turbulence, can actually lead to an attractor state with a stable magnetic - field structure,» Gourgouliatos says.

Understanding the two phenomena, which are both produced by interactions between charged particles and the planet's magnetic field, may help to explain the variations in the timing of the radio pulses and to shed light on Saturn's geomagnetic workings.

In the course of their research into the use of magnetic domain walls (local regions of magnetic «charge» usually driven by magnetic fields) to increase our capacity for information storage and logical processing, physicists at the University of Nottingham have discovered a phenomenon which has allowed them to «manipulate» the structure of a magnetic domain wall.

That phenomenon occurs where opposing magnetic fields from different sources meet, such as at the magnetopause, the boundary in space at which the sun's field pushes against the Earth's.

The discovery, reported in tomorrow's issue of Nature, relies on a phenomenon called colossal magnetoresistance — a large drop in a material's electrical resistance in response to an applied magnetic field — that has previously been seen only at very low temperatures.

The four craft of NASA's Magnetospheric Multiscale mission fly in formation in and out of Earth's magnetosphere to probe the phenomenon of magnetic reconnection.

In the 1930s, German physicists Werner Heisenberg and Hans Heinrich Euler suggested that a strong magnetic field can give rise to a phenomenon called polarisation.

Jaubert explains: «When I was looking to see if a similar phenomenon has already been described, I was glad to see that some other research groups around the world obtained the same results experimentally using spin ice made of terbium in the presence of a strong magnetic field at temperatures close to absolute zero.

These new phenomena rely on the transport of thermal energy, in contrast to the conventional appication of magnetic fields, providing a new, and highly desireable way to manipulate magnetization at the nanoscale.

The explanation for this phenomenon lies presumably in the processes taking place in Earth's magnetic field in the direction away from the sun.

The observation of elementary quantum magnetic phenomena helps to understand fundamental magnetic processes in solid state crystals.

Physicists at the U.S. Department of Energy's Ames Laboratory compared similar materials and returned to a long - established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR), in which the application of a magnetic field to a material results in a remarkably large change in electrical resistance.

In a new type of collaborative study, scientists combined data from 16 separate NASA and Los Alamos National Laboratory (LANL) spacecraft to understand how a particle phenomenon in the magnetic environment around Earth occurIn a new type of collaborative study, scientists combined data from 16 separate NASA and Los Alamos National Laboratory (LANL) spacecraft to understand how a particle phenomenon in the magnetic environment around Earth occurin the magnetic environment around Earth occurs.

Social psychologist Jennifer Eberhardt and her colleagues at Stanford University studied the phenomenon in nine black and 10 white subjects using a technique called magnetic resonance imaging.

Blake concludes, «We can now monitor and model magnetic storms in near - real time, which not only allows us to understand the physics of such phenomena, but also to provide a valuable service for power operators.»

Magnetic order is a common phenomenon in three - dimensional materials, such as ferromagnetic order in iron bar magnets, where the magnetic moments on all iron atoms point in the same diMagnetic order is a common phenomenon in three - dimensional materials, such as ferromagnetic order in iron bar magnets, where the magnetic moments on all iron atoms point in the same dimagnetic moments on all iron atoms point in the same direction.

Prof. Polini adds that «This discovery may eventually lead to understanding in a truly microscopic fashion complex quantum phenomena that occur when matter is subject to ultra-low temperatures and very high magnetic fields, like the fractional quantum Hall effect»

Ever since Curie conjectured on «the symmetry in physical phenomena, symmetry of an electric field and a magnetic field,» it has long been a dream for material scientists to search for this rather unusual class of material exhibiting the coexistence of magnetism and ferroelectricity in a single compound known as a multiferroic compound.

He suggests that the acceleration of particles in the solar wind — essentially a surface phenomenon — is determined by the strong «dynamo» magnetic field generated deep down in the Sun.

Cluster has provided the first 3D observation of magnetic reconnection in space — a phenomenon that reconfigures the magnetic field and releases high amounts of energy.

After ruling out all other possibilities, they figured out that the dip was from a phenomenon called cyclotron resonance scattering, which occurs when charged particles — either positively charged protons or negatively charged electrons — circle around in a magnetic field.

«The forerunner to the phenomenon is a violent eruption on the Sun's surface — also known as coronal mass ejections or CME, where bubbles of hot plasma and gas in the form of particles, electrons, and a magnetic field are hurled in the direction of the Earth,» says Per Høeg.

Recently, signatures of CO Cameron and CO2 + doublet ultraviolet auroral emissions have been detected with SPICAM (Gérard et al. 2015); they showed that the Mars aurora is a temporary and spatially localized phenomenon appearing near the open - closed magnetic field line boundary in cusp - like structures.

Depending on the interests of the student the project will involve mathematical and computational modelling of complex magnetic fields in plasmas, with relevance to understanding phenomena in the solar atmosphere.

In 2018, the pulsar would be seen passing through the star's surrounding disk — a phenomenon that scientists hope would help them determine the massive star's gravity, magnetic field, stellar wind and disk properties.

From magnetic potentials and diffusion phenomena to magnetohydrodynamics and properties of... View Details The Magnetic Fields by André Breton (Author), Philippe Soupault (Author), David Gascoyne (Translator) tr David Gascoyne View Details Magnetic Resonance Stimulation Using the Field to Maximize Your Health by Joel P. Carmichael (Author) View Details Magnetic Fields in the Solar System: Planets, Moons and Solar Wind Interactions (Astrophysics and Space Science Library) by Hermann Lühr (Editor), Johannes Wicht (Editor), Stuart A. Gilder (Editor), Matthias Holschneider magnetic potentials and diffusion phenomena to magnetohydrodynamics and properties of... View Details The Magnetic Fields by André Breton (Author), Philippe Soupault (Author), David Gascoyne (Translator) tr David Gascoyne View Details Magnetic Resonance Stimulation Using the Field to Maximize Your Health by Joel P. Carmichael (Author) View Details Magnetic Fields in the Solar System: Planets, Moons and Solar Wind Interactions (Astrophysics and Space Science Library) by Hermann Lühr (Editor), Johannes Wicht (Editor), Stuart A. Gilder (Editor), Matthias Holschneider Magnetic Fields by André Breton (Author), Philippe Soupault (Author), David Gascoyne (Translator) tr David Gascoyne View Details Magnetic Resonance Stimulation Using the Field to Maximize Your Health by Joel P. Carmichael (Author) View Details Magnetic Fields in the Solar System: Planets, Moons and Solar Wind Interactions (Astrophysics and Space Science Library) by Hermann Lühr (Editor), Johannes Wicht (Editor), Stuart A. Gilder (Editor), Matthias Holschneider Magnetic Resonance Stimulation Using the Field to Maximize Your Health by Joel P. Carmichael (Author) View Details Magnetic Fields in the Solar System: Planets, Moons and Solar Wind Interactions (Astrophysics and Space Science Library) by Hermann Lühr (Editor), Johannes Wicht (Editor), Stuart A. Gilder (Editor), Matthias Holschneider Magnetic Fields in the Solar System: Planets, Moons and Solar Wind Interactions (Astrophysics and Space Science Library) by Hermann Lühr (Editor), Johannes Wicht (Editor), Stuart A. Gilder (Editor), Matthias Holschneider (Editor)

A potential new state of matter is being reported in the journal Nature, with research showing that among superconducting materials in high magnetic fields, the phenomenon of electronic symmetry breaking is common.

Spacecraft observing magnetic reconnection have noted a fundamental gap between most theoretical studies of the phenomenon and what happens in space.

Current research includes spin relaxation and decoherence in quantum dots due to spin - orbit and hyperfine interaction; non-Markovian spin dynamics in bosonic and nuclear spin environments; generation and characterization of non-local entanglement with quantum dots, superconductors, Luttinger liquids or Coulomb scattering in interacting 2DEGs; spin currents in magnetic insulators and in semiconductors; spin Hall effect in disordered systems; spin orbit effects in transport and noise; asymmetric quantum shot noise in quantum dots; entanglement transfer from electron spins to photons; QIP with spin qubits in quantum dots and molecular magnets; macroscopic quantum phenomena (spin tunneling and coherence) in molecular and nanoscale magnetism.

His group has research activities in fundamental optical and magnetic interactions in semiconductor quantum structures, spin dynamics and coherence in condensed matter systems, macroscopic quantum phenomena in nanometer - scale magnets, and implementations of quantum information processing in the solid state.

Scientists now are teasing out the secrets of complex multi-scaled layers of turbulence in plasmas, the movement of particles through those plasmas, their interaction with magnetic fields, and numerous other phenomena that impact the plasma's ability to be harnessed as an energy source.

Some strange phenomenon acting through the magnetic fields could, in principle, be involved and make such an effect possible, but the evidence from the fit is far too weak to make that likely in this case.

The occurrence of such patterns in the mean despite the maintenance of stationary variance limits suggests a need to carefully consider which equators (geographic, celestial, magnetic, meteorological, etc.) are relevant to the phenomena under study.

[35] Sunspot numbers clearly reveal trends in solar magnetic phenomena, e.g., during the first half of the twentieth century.

Karl Sandeman and his co-workers think that their material - a blend of cobalt, manganese, silicon and germanium - could help to usher in a new type of refrigerator that is up to 40 percent more energy - efficient than conventional models.The «magnetic fridge» envisaged by the Cambridge team would use a phenomenon called the magnetocaloric effect (MCE), whereby a magnetic field causes certain materials to get warmer (a positive MCE) or cooler (a negative MCE).

My feeling on the latter, is that solar magnetic cycles affect far - UV / stratospheric / jetstream patterns and the long - term heat storage of the oceans; and that the former shorter cycles may be a stochastic resonance phenomenon entrained in the long term pattern.

Their influence on the atmospheric circulation is focused on the polar regions by the Earth's magnetic field [the opposite phase of the changes in the Arctic and the Antarctic can be explained by the phenomenon of «solar system dissymmetry» as a result of which fluctuations of solar constant occur].