Sentences with phrase «electric field effect»

There are 3 mechanisms for amplifying TSI: GCR, UV stratosphere effects, and electric field effects.

Not exact matches

Previous studies have suggested that electric fields generated during the early stages of a sandstorm would have that effect, but nobody had made field measurements to support the idea, says Francesca Esposito, a planetary scientist at the National Institute for Astrophysics in Naples, Italy.

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The spin Nernst effect relies on the same basic physics, but uses heat instead of an electric field to get the particles moving.

In the spin Hall effect, an electric field pushes electrons through a material, and the particles veer off to the left and right depending on their spin.

The NRC panel, chaired by neurobiologist Charles Stevens of the Salk Institute in La Jolla, California, looked at more than 500 human, animal, and cellular studies on EMFs and found «no conclusive and consistent evidence... that exposures to residential electric and magnetic fields produce cancer, adverse neurobehavioral effects, or reproductive and developmental effects.

From downtown Munich to the fields of Bavaria, those panels exploited the photoelectric effect (in which light expels electrons to create an electric current) to crank out the equivalent of 16 nuclear power plants operating at full capacity.

When an electric field is applied, the electrons move from an energetically higher lying potential well to an energetically lower lying potential well via the quantum mechanical tunneling effect.

The traditional approach is to observe a «residual» effect in the material's response (hysteresis loop) using a SPM, for example, the material retains residual electric polarization after removal of an external electric field.

The magnetoelectric effect is when electric polarization occurs under the influence of an external magnetic field and magnetization occurs under the influence of an electric field.

About a dozen possible next - generation candidates exist, including tunnel FETs (field effect transistors, in which the output current is controlled by a variable electric field), carbon nanotubes, superconductors and fundamentally new approaches, such as quantum computing and brain - inspired computing.

Did you know that one can wash dishes, cook dinner, talk on the phone, download lecture notes, and study the effects of interference and electric field vectors (thanks to a few refrigerator magnets) all at once?

Gravity, together with quantum effects, disrupts the electric - magnetic duality or symmetry of the electromagnetic field.

To remedy this, researchers at the Indian Institute of Technology's Advanced Technology Development Center in Kharagpur, West Bengal have conducted lubrication theory - based analyses to explore the hydrodynamic effects of improving flow rate in pre-existing peristaltic hardware relying on an external electric field.

Aharonov, now at Chapman with Tollaksen, was renowned for having codiscovered a bizarre quantum mechanical effect in which particles can be affected by electric and magnetic fields, even in regions where those fields should have no reach.

Esposito's experiment had aimed to study for the first time the effect of electric field on the creation of martian dust storms.

Their research, which assesses the combined effects of electric fields and peristalsis on the channel flow rate, appears this week in Physics of Fluids, from AIP Publishing.

The spin - Hall effect appears when an electric field drives electrons through a (semi --RRB- conductor plate.

Other researchers have searched for materials where electric fields can mimic the effects of a magnetic field, but finding materials where this effect is strong enough and still works at room temperature has proven difficult.

While some atomic clocks also employ laser beams, they often suffer from an effect called «AC Stark shift,» in which exposure to an electric field, such as that produced by a laser, can shift an atom's resonant frequency.

Electro - thermal simulations, performed by PhD candidate Sampo Inkinen, showed that a combination of current - induced sample heating and electric - field - directed ion migration causes the switching effect.

«An enzyme's evolution from changing electric fields and resisting antibiotics: Using the vibrational Stark effect, researchers are probing the relationship between electric fields, catalysis and evolution..»

Although the primary effect of the electric field is cracking cell structures for better availability of nutrition, other effects like shockwave, electrophoresis or influence on the metabolic condition of cells can play a role.

The recent prediction and experimental realization of standard type - I Weyl fermions in semimetals by two groups in Princeton and one group in IOP Beijing showed that the resistivity can actually decrease if the electric field is applied in the same direction as the magnetic field, an effect called negative longitudinal magnetoresistance.

The action of electric currents driven by moving gas later amplified the field inside galaxies by a «dynamo effect».

The team of researchers at the Boxer Lab is using an existing technique called the vibrational Stark effect (VSE) in a novel way to measure a molecule's electric field when the enzyme and molecule are attached at different times during the enzyme's evolution to becoming resistant to antibiotics.

But in such experiments, the effects of the local electric potential and the electric field are convoluted, making it very hard to understand the results.

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.

The quantum Zeno effect was first observed experimentally in 1989 in laser - cooled ions trapped by magnetic and electric fields.

ALMA's cutting - edge technology enable astronomers to get, for the first time, evidence of the effect of electric fields on the emission of lines of hydrogen.

Disassembly of actin structures by nanosecond pulsed electric field is a downstream effect of cell swelling.

The effect of the electric field strength on a person's body is defined as body voltage strength and is expressed in millivolts (mV).

This is a MOSFET generator (Metal Oxide Semiconductor Field Effect Transistor), which reduces electric losses and increases efficiency.

But there are preliminary studies that indicate micro wave technologies may adversely effect human health, and even the World Health Organization (WHO) admits more research is needed before we can say with certainty whether or not the many electronic devices that generate electric and magnetic fields (EMFs) are safe.