Sentences with phrase «structure of the magnetic field»

The VLBA images also showed a remarkably ordered structure of the magnetic field lines.

Not exact matches

Because the magnetic field influences the structure of rocks (and clay pots) during their formation, knowing the field's history allows you to tie specific objects to specific ranges of dates.

Scientists use models of Earth's structure and measurements of Earth's magnetic field taken at USGS observatories (https://geomag.usgs.gov/monitoring/observatories/) to determine which sections of the electrical grid might lose power during a geomagnetic storm.

Juno is mapping Jupiter's gravitational and magnetic fields to better understand the planet's interior structure and measure the mass of the core.

His team is currently testing the sensitivity of the new design to changes in magnetic fields, and hoping that this structure could be used for biosensing applications such as MEG.

A: I'm working on using solid - state defects in diamonds as magnetic field sensors, with the goal of using them as little nanoscale MRI machines that can study the structure and dynamics of single biological molecules (e.g., proteins).

Functional materials are those with controlled composition, size, and structure to facilitate desired interactions with light, electrical or magnetic fields, or chemical environment to provide unique functionality in a wide range of applications from energy to medicine.

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.

Bismuth selenide has a layered crystalline structure, and the magnetic field the researchers used was directed parallel to the plane of these layers.

The common assumption has been that magnetic fields are thin tube - like structures at the bottom of the Sun's convection zone in the thin tachocline at a depth of 200,000 kilometres, from where they erupt to the surface and form sunspots.

However, when bismuth ferrite is placed in a strong magnetic field (greater than a certain critical value), the structure is destroyed and this is accompanied by the emergence of a linear ME effect (when polarization is linearly proportional to the applied field).

Typically, when solar structures with opposite magnetic orientations collide, they explosively release magnetic energy, heating the atmosphere with a flare and erupting into space as a coronal mass ejection — a massive cloud of solar material and magnetic fields.

He had a hunch those swirls were part of a bigger structure, and a computer simulation proved him right: In aggregate, the swirls could twist the sun's magnetic field, causing it to launch a huge spinning funnel of gas.

Using several years» worth of observations, they were able to build up a more complete picture of the magnetic field structure that supports the plasma, in structures known as prominences.

The corona is a large, tenuous layer of gas whose structure is governed by the Sun's magnetic field.

When the scientists switched on a specially designed magnetic field, the spins arranged into a twisting structure of loops, knotting up into a configuration known as a Shankar skyrmion.

Similarly, sudden bursts of plasma and magnetic field structures (coronal mass ejections, or CMEs) from the sun's atmosphere and high - speed solar wind could significantly disable large portions of the electric power grid.

The flows also substantially influence the structure and evolution of the sun's magnetic field, the researchers suspect.

A better understanding of the structure of Earth's inner core would clarify its role in locking the planet's magnetic field in its north - south position, which has the effect of insulating terrestrial life from a lethal bombardment of cosmic rays.

Those threads indicate the presence of a magnetic field — 1/10, 000 the strength of Earth's, but huge — that holds the structure together.

It also has to use very strong microwaves and magnetic fields to reach the sample, but these processes are invasive and can affect delicate bio-samples, just like the microwave in your kitchen, particularly when trying to see the molecular structure of liquids.»

The magnetic structures are built during the cooling of molten rock and reflect the earth's magnetic field at the time of their formation.

The researchers found that the radiofrequency wave for the plasma production, called a helicon wave, is reflected by a local change of the refractive index (contour plot in Fig), which is introduced by the rapidly bent magnetic field structure (white arrows in Fig).

As the structures are so tiny — each grain is only about the size of a virus — there is only one method with which the nanovortices can directly be observed while they are heated up and cooled down: «A special high - resolution electron microscope at the Ernst Ruska - Centre (ER - C) in Jülich is capable of making magnetic fields on the nanoscale holographically visible,» explains Almeida.

Although there is no axial physical boundary downstream of the source, the wave recognizes the bent magnetic field structure as the boundary and is reflected there (black arrow in Fig).

The dramatic findings complement NASA's Juno mission this summer which aims to understand the relationship between the two biggest structures in the solar system — the region of space controlled by Jupiter's magnetic field (i.e. its magnetosphere) and that controlled by the solar wind.

For the crushing tests, the can is mounted vertically under Shiva Star's central column, which is stabilized with four tons of weights to prevent magnetic fields from pulling the structure apart.

With the help of EDMR, electrically detected magnetic resonance, an ultrasensitive method of measurement, they were able to determine the local defects» structure by detecting their magnetic fingerprint in the photo current of the solar cell under a magnetic field and microwave radiation.

Gow's method of investigating how the human brain perceives and distinguishes among elements of spoken language combines electroencephalography (EEG), which records electrical brain activity; magnetoencephalograohy (MEG), which the measures subtle magnetic fields produced by brain activity, and magnetic resonance imaging (MRI), which reveals brain structure.

Using one of them, a manganese - doped indium arsenide, Ohno built a layered structure that became magnetic if a positive electrical charge was applied to it with a field - effect transistor.

«Seeing these small structures for the first time gives us the promise of studying the underlying physical mechanisms associated with magnetic fields on the sun,» says Scharmer.

For increasing magnetic field, these structures gradually evolve into the Landau levels of the quantum Hall effect.

To achieve this, Omura was joined by an international team led by Amos Smith of the University of Pennsylvania, an expert in magnetic resonance spectroscopy, which can determine a molecule's structure by analysing the behaviour of its constituent atoms in a powerful magnetic field.

This enabled them to map the strength and structure of the intervening galaxy's magnetic field.

Rooted in the Solar Magnetic Field, the structure of the corona is visible extending a million miles above the Sun's surface in this composite image from the EIT and UVCS instruments onboard the SOHO spacecraft.

As this SWRI press release details, Juno has eight scientific instruments designed to study the planet's magnetic field, atmosphere and interior structure, and they show that Jupiter is far more than just a giant ball of gases.

The award cites him for designing and operating an array of instruments and using them to uncover the structure and magnetic fields of the sun.

The internal structures of giant planets are much less well known than those of main - sequence stars because of uncertainties in the equation of state of degenerate gas, the composition (typically non-solar), the interaction with the magnetic field and, in the upper layers, the relative magnitudes of internal heat and energy deposited from the sun.

This governs the nature of the dynamo that generates magnetic field in the stellar interior and determines the observed large - scale magnetic structure.

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.

The SKA will also investigate the connection between the formation of magnetic fields and the formation of structure in the early Universe, and we will obtain solid constraints on when and how the first magnetic fields in the Universe were generated.

This detailed knowledge, in turn, provides deeper insight into the mechanisms by which planets in general cool down, by which their magnetic fields are generated, and by which the separation of lighter elements from heavier ones as planets develop their internal structure releases additional energy for geologic processes and alters crustal compositions.

We want to watch the changes in the structure of its circumstellar envelope and its magnetic field over an entire cycle,» Diamond said.

Our results show not only the magnetic field orientation of around young stellar objects but also the structure of circumstellar matter such as outflow regions and their parent molecular cloud along the line of sight.

Improved understanding of secular variation of Earth's magnetic field, and core structure and dynamics, including quantification of rapid field decrease that may signal a reversal of the Earth's field.

This would mean that TX Cam's magnetic field is structured similar to those of the Earth and Sun, which resemble the field of a bar magnet, with orderly field lines running from one pole to the other.

Seeing deep within the gas giant of Jupiter, Saturn, Uranus, and Neptune is impossible with optical telescopes, but magnetic fields are usually a product of a warm, moving core, so they are a good guide to structures and activities within planets.

A technique that produces images of the heart and other body structures by measuring the response of certain elements (such as hydrogen) in the body to a magnetic field.

To carry out novel investigations based on spectro - polarimetric observations with ground - based and space solar telescopes, with emphasis on the study of the magnetic field in chromospheric and coronal structures and its coupling with the underlying photosphere.

Such tasks include analysis of support structures for the NSTX - U, whose electric current and magnetic fields will be doubled when the work is completed in 2014.