Sentences with phrase «electron spins in»

This image shows how «spintronics» researchers such as David Awschalom probe and manipulate single electron spins in semiconductors.
Electron spins in silicon quantum dots are attractive systems for quantum computing owing to their long coherence times and the promise of rapid scaling of the number of dots in a system using semiconductor fabrication techniques.
Coherent manipulation of coupled electron spins in semiconductor quantum dots.
This enables the heating or cooling of the platinum - YIG interface, depending on the relative orientation of the electron spins in the platinum and the magnetisation in the YIG.
At present, attempts are being made to build quantum computers using, among others, trapped ions, electron spins in diamond, quantum dots, superconducting electric circuits, and atomic clouds.
For half a century, the Mermin - Wagner theorem has addressed this question by stating that if 2 - D materials lack magnetic anisotropy, a directional alignment of electron spins in the material, there may be no magnetic order.
By measuring the electron spins in a certain order, computations could be performed.
«We've shown how to continuously flip the electron spin in a nanodiamond levitated in a vacuum and in the presence of different gases,» said Tongcang Li, an assistant professor of physics and astronomy and electrical and computer engineering at Purdue University.
What makes this possible is a bizarre phenomenon known as entanglement, in which a pair of particles have complementary characteristics, such as two electrons spinning in opposite directions.
In a paper published in npj Quantum Information2., CEA - Leti and Inac reported that an electron spin in a SOI transistor can also be manipulated by pure electrical signals, which enable fast and scalable spin qubits.

Not exact matches

In a neck - and - neck race with their competitors, they showed that quantum information of an electron spin can be transported to a photon, in a silicon quantum chiIn a neck - and - neck race with their competitors, they showed that quantum information of an electron spin can be transported to a photon, in a silicon quantum chiin a silicon quantum chip.
Each hydrogen atom, made up of just a single proton and electron, can be found in two slightly different states: a higher energy state in which the electron and proton essentially spin in the same direction, and a lower energy state in which they spin in opposite directions.
In a technique that could help silicon quantum computers scale up, a particle of light (pink waves) was made to interact with the spin of a single electron (pink circle).
In an ordinary superconductor, electrons, which carry a spin of 1/2, pair up and flow uninhibited with the help of vibrations in the atomic structurIn an ordinary superconductor, electrons, which carry a spin of 1/2, pair up and flow uninhibited with the help of vibrations in the atomic structurin the atomic structure.
The researchers concluded that the best explanation for the superconductivity was electrons disguised as particles with a higher spin — a possibility that hadn't even been considered before in the framework of conventional superconductivity.
Electron interactions in superconductors are dictated by a quantum property called spin.
When the field was applied, patterns appeared in the electron spins.
Then for the bizarre part: Atom C, because it was previously entangled with B, became imprinted with atom A's information — in this case, a pattern in the spin of its electrons.
Each pattern had a different energy associated with it — and the ratio of these energy levels showed that the electron spins were ordering themselves according to mathematical relationships in E8 symmetry (Science, DOI: 10.1126 / science.1180085).
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.
WHIRL AWAY Electrons in platinum move in different directions depending on their spin when the metal is heated at one end.
Awschalom's team recently discovered an effect predicted 35 years ago, called the spin Hall effect: By introducing certain chemical defects into a semiconductor, electrons with opposite spins can be induced to move in opposite directions and line up on the sides of a chip.
In a magnet, the electron spins are all aligned; in a semiconductor, they're arranged in opposite pairIn a magnet, the electron spins are all aligned; in a semiconductor, they're arranged in opposite pairin a semiconductor, they're arranged in opposite pairin opposite pairs.
Chromium triiodide is also anisotropic, meaning that its electrons have a preferred spin direction — in this case, perpendicular to the plane of the crystal.
In a further step, last year, an Australian team measured the spin of a lone electron in silicoIn a further step, last year, an Australian team measured the spin of a lone electron in silicoin silicon.
(Photons, like electrons, can exist in only one of two states; polarization, in this case, functions just like spin as far as Bell - type correlations are concerned.)
For spin one - half particles like electrons, the spin along a given direction is always either +1 (up) or -1 (down), nothing in between.
One sent these electrons into a fuzzy quantum state, in which the spin of each electron had a 50 - 50 chance of being either up or down.
Neutrons are ideal tools for identifying and characterizing magnetism in almost any material, because they, like electrons, exhibit a flow of magnetism called «spin
But when the magnetic orientations of the wires point in opposite directions, electrons moving through the cluster from one wire to the other must quickly flip their spin.
In essence, it proves that electrons on a one - dimensional semiconducting nanowire will have a quantum spin opposite to its momentum in a finite magnetic fielIn essence, it proves that electrons on a one - dimensional semiconducting nanowire will have a quantum spin opposite to its momentum in a finite magnetic fielin a finite magnetic field.
«But when the laser hits the electron in a quantum system, it creates many possible spin states, and that greater range of possibilities forms the basis for more complex computing.»
That in turn could make the materials attractive building blocks for spintronic devices, which compute by manipulating electron spins.
In ordinary magnets, both individual electron spins and the motion of electrons in their atomic orbitals generate magnetic fieldIn ordinary magnets, both individual electron spins and the motion of electrons in their atomic orbitals generate magnetic fieldin their atomic orbitals generate magnetic fields.
This one alteration created color centers that effectively trapped spinning electrons in the diamond lattice.
In the sea of graphene (over an iridium crystal), electrons» spin - orbit interaction is much lower than that created by intercalating a Pb island.
But a second generation is already up and running, and encompasses this new study, in which electrons» own spin - orbit interaction acts on them as if there were a real external magnetic field, even if there is not.
Researchers in Spain have discovered that if lead atoms are intercalated on a graphene sheet, a powerful magnetic field is generated by the interaction of the electrons» spin with their orbital movement.
The interaction couples the spin of the electron to the angular momentum of the electromagnetic field and it is responsible for a variety of phenomena in a large class of technologically important materials.
Surendra Singh, professor of physics, and Bellaiche were part of the U of A team that proposed in 2013 that the angular momentum of an electromagnetic field can directly couple to the spin of an electron to produce a physical energy.
In this configuration the lead forms «islands» below the graphene and the electrons of this two - dimensional material behave as if in the presence of a colossal 80 - tesla magnetic field, which facilitates the selective control of the flow of spinIn this configuration the lead forms «islands» below the graphene and the electrons of this two - dimensional material behave as if in the presence of a colossal 80 - tesla magnetic field, which facilitates the selective control of the flow of spinin the presence of a colossal 80 - tesla magnetic field, which facilitates the selective control of the flow of spins.
In addition to charge, electrons have spin.
The movement is created, Flatté and his team say, when electrons whose magnetic spin is disturbed by the current on the first sheet exert a force, through electromagnetic radiation, to create magnetic spin in the second sheet.
By understanding and using the different states achieved when an electron's spin rotates, researchers could potentially increase information storage capacity in computers, for example.
They propose that the electron spins disturbed in the layer where the current was introduced engage in a sort of «cross talk» with spins in the other layer, exerting a force that drags the spins along for the ride.
The phenomenon of broken symmetry can only be explained if the electrons in this material form special Cooper pairs, namely spin - triplet pairs, instead of the usual spin - singlet pairs.
Practical applications of spintronic devices in information processing require accurate knowledge of the strength of the electron spin interaction with phonons.
The research team, which included Natalya Pugach from the Skobeltsyn Institute of Nuclear Physics, studied the interactions between superconductivity and magnetization in order to understand how to control electron spins (electron magnetic moments) and to create the new generation of electronics.
In terms of applications, it's quite possible that the team's work with double - dot SETs will find future use within quantum electronics to manipulate a single electron and its spin.
You and Bob also share a pair of electrons — you have one, Bob has the other — and they're in an entangled state such that if yours is spinning up, his is spinning down, and conversely.
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