Sentences with phrase «of magnetic behaviors»

The device shows a much richer variety of magnetic behavior than the earlier two.

After spotting initial hints of magnetic behavior, Rode teamed up with magnetic specialists led by John Giapintzakis at the University of Crete in Greece.

«We are at present performing a detailed comparative studyin an attempt to determine more precisely the causes of the magnetic behavior reported here,» they write.

Not exact matches

For science - savvy hikers, the rugged canyons of Hawaii's oldest island offer a glimpse into the mysterious behavior of Earth's magnetic field.

These include the overall validity of the radical - pair mechanism, whether birds might have evolved to be able to detect minute magnetic changes and have thus become susceptible to human - produced radio noise as a side - effect, or even whether applied electromagnetic fields might be affecting a different behavior — such as motivation — altogether.

The model derives from a general lattice field theory, which is typically used to describe the quantum behavior of electrons in magnetic and electronic materials.

In addition, fMRI (functional magnetic resonance imaging) allows the delineation of detailed neural circuits in the brain involved in complex human behavior.

Recent computer simulations incorporating the geometry of ITER's doughnut - shaped reaction chamber and its powerful, plasma - confining magnetic fields have helped researchers predict the behavior of turbulent plasma inside the machine.

The team not only found full analogy of the active motion in a field to magnetic hysteresis but also managed to quantify the controllability of the swarm and identify the signatures of collective behavior of the active agents.

Kharzeev had explored similar behavior of subatomic particles in the magnetic fields created in collisions at the Lab's Relativistic Heavy Ion Collider (RHIC, https://www.bnl.gov/rhic/), a DOE Office of Science User Facility where nuclear physicists explore the fundamental building blocks of matter.

The first thing I noticed on entering the observing room of the 150 - foot tower was a bust of George Ellery Hale, founder of the observatory and an early expert on the sun's magnetic behavior.

«The observed behavior of the material was completely unexpected and is certainly not a purely magnetic effect,» explains Michel Kenzelmann, head of the PSI research team.

To investigate the direct impact of VTA activation on primate behavior, the research team used high - resolution magnetic resonance imaging to guide the placement of microelectrodes within the VTAs of macaque monkeys.

Boasting a wide array of behaviors, including electronic, magnetic and superconducting, these multifunctional materials are poised to expand the way we think about the functions of traditional silicon - based electronic devices such as cell phones or computers.

The conductivity and other transport properties as a function of disorder, temperature, and frequency point to a non-Fermi liquid - like behavior, whereas photoemission experiments and magnetic properties indicate the presence of a Fermi surface in momentum space.

Observed in 2009, skyrmions arise from the collective behavior of electrons in magnetic materials under certain conditions.

«But the behavior of these wires is simply spectacular when applying a magnetic field,» he adds.

Already now, we are able to control the behavior of individual atoms by situating them within special semiconductor structures - this is the method used to form quantum dots that contain single magnetic ions.

Some materials are magnetic because of the behavior of the spins of their electrons.

The short - term behavior of the Earth's magnetic field has important ramifications for satellites and satellite communication.

PARK Je - Geun, Associate Director at the Center for Correlated Electron Systems, within the Institute for Basic Science (IBS), working in collaboration with CHEONG Hyeonsik at Sogang University and PARK Cheol - Hwan at Seoul National University demonstrated the magnetic behavior of a special class of 2D materials.

Using gene therapy to insert the gene, they expressed the synthetic gene in adult mice or in zebrafish embryos, and witnessed remote activation of neurons the presence of a magnetic field through the altered behavior of the animals.

Working with a material formed from a thick layer of one oxide — strontium titanate — and a thin layer of a second material — lanthanum aluminate — these researchers have found that the interface between these materials can exhibit magnetic behavior that is stable at room temperature.

Turbulence behavior in high - temperature plasma confined in the magnetic field is described mathematically through a dynamical equation in five - dimensional space (the three coordinates of space to which two components of particle velocity are added).

Using atoms cooled to just billionths of a degree above absolute zero, a team led by researchers at Princeton University has discovered an intriguing magnetic behavior that could help explain how high - temperature superconductivity works.

In studying the functional behavior of the brain, from control of muscles to the formation of memories, scientists are using such tools such as electron microscopy, recordings of electrical signals from individual brain cells, and imaging of brain structures and processes using functional magnetic resonance imaging (fMRI), positron emission tomography (PET), and high - resolution optical imaging.

Topological spintronics uses rotating geometrical «defects» in the overall charge carrying topology of a material to control magnetic behavior.

The work started when Soluyanov and Dai were visiting Bernevig in Princeton in November 2014 and the discussion turned to strange unexpected behavior of certain metals in magnetic fields (Nature 514, 205 - 208, 2014, doi: 10.1038 / nature13763).

The new work shows that materials hosting a type - II Weyl fermion have mixed behavior: While for some directions of magnetic fields the resistivity increases just like in normal metals, for other directions of the fields, the resistivity can decrease like in the Weyl semimetals, offering possible technological applications.

Another is that the most widely available methods — functional magnetic resonance imaging (fMRI) and event - related potentials (a variation of electroencephalography)-- reveal only how brain activity and behavior are correlated; their ability to demonstrate cause and effect is limited.

The revolution in neuroscience is often characterized as a revolution in new imaging technology.A long overdue reassessment of neuroimaging machines — in particular the functional magnetic resonance imager — has underlined that what you see is not always what you get.A study published this year in Perspectives on Psychological Science noted that many papers in social neuroscience, the field that examines the neurobiology of social behavior, suffered from faulty analyses that produced «voodoo correlations» in their data.

Studies of meditation carried out with other techniques, such as magnetic resonance imaging and electroencephalography, have revealed different patterns of neural activity — not surprisingly, since meditation is a complex behavior that evokes many different psychological states.

Using gene therapy to insert the gene, they expressed the synthetic gene in adult mice or in zebrafish embryos, and witnessed remote activation of neurons in the presence of a magnetic field through the altered behavior of the animals.

«These response behaviors, in two separate species of animals, validate that the cells containing the synthetic gene turn on in a magnetic field,» Wheeler noted.

Using satellite data and models, the scientists were able to monitor the evolution of the solar magnetic field in a region with eruptive behavior.

«Within a single piece of material, there are coexisting pockets of different magnetic and / or electronic behaviors,» said ORNL's Zac Ward, the study's corresponding author.

This behavior stems from an unusual feature of certain complex oxides called phase separation, in which tiny regions in the material exhibit vastly different electronic and magnetic properties.

Magnets and magnetic phenomena underpin the vast majority of modern data storage, and the measurement scales for research focused on magnetic behaviors continue to shrink with the rest of digital technology.

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.

By suppressing the material's magnetic order, scientists from Oak Ridge National Laboratory and the University of Tennessee observed behavior consistent with exotic particles that are predicted to emerge when energy is added to a quantum spin liquid, or QSL.

Small, an expert on the brain imaging of human behavior, uses functional magnetic resonance imaging (fMRI) to study how the brain of professional athletes plans complex movements, such as swinging a baseball bat.

Removing or adding an atom can greatly change the structure and behavior of the clusters, which are of interest to scientists for their potential to create materials with novel chemical, magnetic or optical properties.

Particularly the findings that already small fluctuations in Earth's magnetic field elicit a behavioral response and the fact that «normal» magnetic conditions under which dogs express their orientation behavior occur only in about 30 % of all cases call for caution.

Dr. Rapoport was a pioneer in studying the pathophysiology of ADHD and neuropharmacological approaches to its treatment, and she was the first to discover that some childhood psychiatric symptoms result from autoimmune reactions to streptococcal infection, the first to establish the link between obsessive - compulsive behaviors in children and OCD in adults, and the first to use longitudinal magnetic resonance imaging to uncover developmental abnormalities in brain size and structure in children with schizophrenia.

Understanding the behavior of magnetite is difficult because the strong interaction among its electrons complicates its electronic structure and magnetic properties.»

As such, it may present new insights into the behavior and response of magnetic fields to the conditions in a flaring atmosphere.

Thus, the identification of what sensory system (s) is active during magnetic compass orientation, provides a way to recognize the sensory quality utilized during that specific behavior.

Researchers at Argonne created tiny swirling vortices out of magnetic particles, providing insight into the behavior that governs such systems — which opens up new opportunities for materials and devices with new properties.

A few months after my sawtooth model of the AMO (i.e. mid-2013) I concluded that the mechanism I suggested in column 4 of that poster, namely seismic interference at the core - mantle boundary, CMB, would be too strongly damped to yield any sort of reliably oscillatory behavior, and my 2013 talk at AGU FM makes no mention of any oscillation except the 20 - year magnetic Hale cycle, which can be seen clearly even in CET back to the end of the Maunder minimum.

The experimental behavior supports the storm scenario the traveling atmosphere disturbances (TADs) of auroral origin and changes in the thermospheric wind are the main physical mechanisms driving equatorward - directed and vertical winds which in turn move the plasma along the magnetic field lines and raise the ionospheric peak height.