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Avoided Antiferromagnetic Order and Quantum Critical Point in
Avoided Antiferromagnetic Order and Quantum Critical Point in

... confirms the FL ground state of CeCoIn5 for 8 and 9 T. Having established the existence of the QCP near Hc 5 T, we proceed to identify the order competing with the paramagnetic FL ground state. Since a closely related compound, CeRhIn5 , is an ambient pressure antiferromagnet with the Néel temper ...
Mid-Term_MA-Solutions
Mid-Term_MA-Solutions

... interior, are initially placed in contact and then released. One sphere is 60.0 cm in diameter, has mass 50.0 g and contains 10.0 C of charge. The other is 30.0 cm in diameter, has mass 150.0 g and contains 40.0 C of charge. Find the maximum acceleration and speed achieved by each sphere (relati ...
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An investigation into student understanding of vectors and

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1. The Influence of the Human Body on Electric and Magnetic Field

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ELECTROMAGNETIC FIELD OF A MOVING WIRE CARRYING

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Nonlinear response of electrons to a positive ion - HAL

... positive particle have been studied in some detail for both the static distribution of fields [1] and the dynamics of the electric field autocorrelation function [2, 3]. The latter poses a real challenge since finite charge on the site at which the field is considered precludes the use of standard l ...
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Quadrupole Ion Traps

Waveguides, Resonant Cavities, Optical Fibers and
Waveguides, Resonant Cavities, Optical Fibers and

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PPTX - University of Toronto Physics

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St. Elmo`s Fire - University of Waterloo

... analyzed samples of explosives to determine their water content (6). These job opportunities, while providing the necessary finances, also occupied Faraday's time that he would rather have spent on research. Scientists today may resonate with his feeling that, "Much of [my time] is unfortunately occ ...
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Possions and Laplace equations

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Slides - PDF - University of Toronto Physics

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Slides - Powerpoint - University of Toronto Physics

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Magnetic Force - Rutgers Physics

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Electromagnetic Nature of Nuclear Energy: Application to H and He

... 1.1. Historical Introduction After one century of nuclear physics, “it is an open secret that the underlying force remains a puzzle” [1]. The parameters of the potential are still determined by fitting to experimental data [2]. No fundamental law of the nuclear interaction exists. The mysterious str ...
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ay221 - CCEA

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light part 2 - Physicslocker Index

... understanding of its use in switching circuits Describe the action of a diode and show understanding of its use as a rectifier. Describe the action of a transistor as an electrically operated switch and show understanding of its use in switching circuits. Recognise and show understanding of circuits ...
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time of completion

... A straight 3.00 m wire carries a typical household current of 1.50 A (in one direction) at a location where the earth's magnetic field is 0.550 gauss from South to North. a. Find the direction of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it ...
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particles and quantum fields

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Particle Physics

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On the influence of magnetism on the nature of the light emitted by a

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... of box walls. Therefore, any sort of continuous motion cannot generate the effective charge density e|ψ1(x) + ψ2(x)|2. One may object that this is merely an artifact of the idealization of infinite potential. However, even in this ideal situation, the model should also be able to generate the effect ...
From Classical to Wave-Mechanical Dynamics
From Classical to Wave-Mechanical Dynamics

< 1 ... 334 335 336 337 338 339 340 341 342 ... 661 >

Aharonov–Bohm effect

The Aharonov–Bohm effect, sometimes called the Ehrenberg–Siday–Aharonov–Bohm effect, is a quantum mechanical phenomenon in which an electrically charged particle is affected by an electromagnetic field (E, B), despite being confined to a region in which both the magnetic field B and electric field E are zero. The underlying mechanism is the coupling of the electromagnetic potential with the complex phase of a charged particle's wavefunction, and the Aharonov–Bohm effect is accordingly illustrated by interference experiments.The most commonly described case, sometimes called the Aharonov–Bohm solenoid effect, takes place when the wave function of a charged particle passing around a long solenoid experiences a phase shift as a result of the enclosed magnetic field, despite the magnetic field being negligible in the region through which the particle passes and the particle's wavefunction being negligible inside the solenoid. This phase shift has been observed experimentally. There are also magnetic Aharonov–Bohm effects on bound energies and scattering cross sections, but these cases have not been experimentally tested. An electric Aharonov–Bohm phenomenon was also predicted, in which a charged particle is affected by regions with different electrical potentials but zero electric field, but this has no experimental confirmation yet. A separate ""molecular"" Aharonov–Bohm effect was proposed for nuclear motion in multiply connected regions, but this has been argued to be a different kind of geometric phase as it is ""neither nonlocal nor topological"", depending only on local quantities along the nuclear path.Werner Ehrenberg and Raymond E. Siday first predicted the effect in 1949, and similar effects were later published by Yakir Aharonov and David Bohm in 1959. After publication of the 1959 paper, Bohm was informed of Ehrenberg and Siday's work, which was acknowledged and credited in Bohm and Aharonov's subsequent 1961 paper.Subsequently, the effect was confirmed experimentally by several authors; a general review can be found in Peshkin and Tonomura (1989).
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