Sentences with phrase «in magnetic field strength»

I wondered if the drop in magnetic field strength would increase the amount of stuff which gets into our atmosphere?

The patterns of the changes in magnetic field strength over 48 hours seen in these two events were so similar to those recorded in a ground sensor during the Carrington event that the first event must not have been global in its reach either, the team reports in the Journal of Space Weather and Space Climate.

Not exact matches

This unusual geometry results in a highly asymmetric magnetosphere, where the magnetic field strength on the surface in the southern hemisphere can be low.

The variation of the field strength is only a few percent of the applied magnetic field strength for now, but this is a significant first step to overcome the problem of detaching the plasma from the MN in the plasma thruster.

Although we know that the magnetic field originates in different parts of Earth and that each source generates magnetism of different strengths, exactly how it is generated and why it changes is not fully understood.

«The possibility of a continued decay in the strength of the magnetic field is a societal concern that merits continued study and monitoring.»

Rim Fares at the Paul Sabatier University in Toulouse, France, and colleagues, studied light from the star Tau Boötis to deduce the strength and orientation of its magnetic field.

In order to put these relatively recent changes into historical perspective, Rochester researchers — led by John Tarduno, a professor and chair of EES — gathered data from sites in southern Africa, which is within the South Atlantic Anomaly, to compile a record of Earth's magnetic field strength over many centurieIn order to put these relatively recent changes into historical perspective, Rochester researchers — led by John Tarduno, a professor and chair of EES — gathered data from sites in southern Africa, which is within the South Atlantic Anomaly, to compile a record of Earth's magnetic field strength over many centuriein southern Africa, which is within the South Atlantic Anomaly, to compile a record of Earth's magnetic field strength over many centuries.

If you provide energy in the form of radio waves, these tiny magnets can switch orientation and give off a resonance frequency that changes predictably based on the strength of the magnetic field.

Scaling up will mean creating magnetic fields that vary in strength over relatively short distances.

The distance between certain lines in the spectrum reveals the strength of the magnetic field in that location — information that can't be measured directly otherwise.

Sideways Hall voltage increases in proportion to the strength of the magnetic field.

The laws of physics dictate that the particle speeds in this scenario will speed up when the magnetic field strength increases.

In some cases, they estimated, it could reach a thousand trillion times the strength of Earth's magnetic field.

To test the idea, they compared their measurements with the mathematical predictions of how powerful the increase in conductivity should be with increasing magnetic field strength.

It uses magnetic fields that are a fraction of the strength but at higher frequency than the electromagnetic fields used in TMS and ECT,» explained first author Dr. Michael Rohan.

«In a classic generator, the current increases linearly with increasing magnetic field strength, which needs to be changing dynamically.

He sketched the sunspot contours with scribble and crosshatch, intent mainly on mapping the locus (solar latitude and longitude) of each magnetic outburst and gauging the polarity and field strength (in gauss) of every sunspot.

The US NOAA Space Weather Prediction Centre in Boulder, Colorado, says: «Although the magnetic field strength of this CME has been fairly high, it hasn't been of the orientation needed to cause strong geomagnetic storming.»

They also ran the experiments under a second, perpendicular magnetic field and were able to observe changes in electron behavior at given field strengths.

HEATED PAST From around 4.25 billion years ago to at least as late as 2.5 billion years ago, the moon had a magnetic field, which dwindled in strength over time, a new study finds.

But in 2001, physicist Murray Holland suggested controversially that the fermions could be coaxed into pairing up at somewhat higher temperatures by subjecting them to magnetic fields of particular strengths.

The magnetic fields that surround and shield many planets from the sun's energy - charged particles differ widely in strength.

Tarduno and his fellow - researchers believe they found the reason for the unusually low magnetic field strength in that region of the Southern Hemisphere.

It is still a magnetic field that is responsible for the fact that the polarisation is rotated, however, it is no longer the strength of the magnetic field that determines the strength of the effect, but the amount of electrons involved in the process, and this amount can be regulated simply by electrical potential.

When the waves pass through a magnetized region, the polarization changes direction in proportion to the strength of the local magnetic field.

C, hot enough to erase the magnetic information stored in the magnetite and create a new record of the magnetic field strength and direction at the time of the burning.

«Because rock in the deep mantle moves less than a centimeter a year, we know the LLSVP is ancient, meaning it may be a longstanding site for the loss of magnetic field strength,» said Tarduno.

They found that given the same DMI strength, and if in the crystal phase, the frequencies corresponding to each mode depend differently on magnetic field strength.

Magnetic fields of different strengths make those electrons spiral in particular ways, and that spiraling changes the orientation of the light as it travels toward Earth.

Earth's dipole magnetic field strength has decreased 16 percent since 1840 — with most of the decay related to the weakening field in the South Atlantic Anomaly — leading to much speculation that the planet is in the early stages of a field reversal.

The team extended the life of the spins 50 times by applying a strong magnetic field, some 25 times the strength of those used in previous experiments, to align the spins, along with lowering the temperature.

Astronomers already knew that Mercury has a magnetic field about 1 per cent the strength of Earth's, and that the rotation of liquid iron in the core generates the field, just as happens inside Earth.

A new instrument gave the team minute - by - minute updates on the strengths of magnetic fields in the spots.

«We do this by measuring the amount of weight being lifted and taking into account both the mass of particles in the lifter and the strength of the magnetic field being applied,» says Ben Evans, co-author of the paper and an associate professor of physics at Elon University.

This receptor seems to measure the strength of the magnetic field — the field is generally strongest at the poles — and the angle of the field in relation to the ground, which also varies with latitude.

Over time they build a more detailed magnetic map by learning to recognise variations in the strength and direction of the field lines, which are angled more steeply towards the poles and flatter at the magnetic equator.

If such a particle is placed in a magnetic field whose strength varies from region to region, it will move toward the weakest or strongest part of the field, depending on the particle's orientation [see illustration on next page].

Paul realized that it is possible to design a magnetic field with a local minimum in the field strength, and if the magnetic dipole is originally aligned to seek a position where the field is weakest, it will remain aligned in the «weak field - seeking» orientation [see «Cooling and Trapping Atoms,» by W. D. Phillips and H.].

And Hall probes can be used to measure very small and slow fluctuations in a magnetic field, down to a hundredth of a gauss (the unit of measurement for magnetic field strength, named for mathematician Carl Friedrich Gauss).

«In our new study we're using microwaves to match the energy between electrons and carbon - 13 nuclei rather than a magnetic field, which removes some difficult restrictions on the strength and alignment of the magnetic field and makes our technique more easy to use,» says King.

«The magnetic field strength in magnets increases steadily from the center out,» Fischer said.

Portrait of a young planet The Jack Hills zircons show that a magnetic field existed as early as 4 billion years ago, fluctuating in strength from a value similar to today's — around 25 microteslas — to about 12 % of that.

He notes that such a model requires precise knowledge of gas velocities as well as the strength and tilt of magnetic fields in the penumbra, data the Swedish team hopes to obtain next year.

If the cyclotron line is from circling electrons, in contrast, then the magnetic field strength around the neutron star would not be exceptionally strong, and thus the field is probably not the reason these stars break the Eddington limit.

Now the full effect has been observed, and it persists even when experimenters jiggle the strength of magnetic or electric fields — a robustness that provides even stronger evidence that the experiment has captured a Majorana, as predicted in careful theoretical simulations by Liu.

Cyclotron resonance scattering creates telltale signatures in a star's spectrum of light and the presence of these patterns, called cyclotron lines, can provide information about the strength of the star's magnetic field — but only if the cause of the lines, whether it be protons or electrons, is known.

Low - energy electrons will be filtered as they travel through a series of electrodes placed within the vacuum chamber as the magnetic field first dips in strength and then rises again as the electrons enter the second magnet, leaving only the highest - energy electrons for the calorimeter to analyze.

Additionally, as this NASA press release details, Juno's observations reveal that Jupiter's magnetic field — already known to be the most intense in the solar system — is even stronger than previously estimated, and uneven, with lumpy areas of relative strength and weakness.

Globally, Earth's magnetic field has declined in strength by 10 % since the 19th century with changes accelerating in recent years, according to measurements by Europe's SWARM satellites.