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The Solar Flare: A Strongly Turbulent Particle Accelerator
The Solar Flare: A Strongly Turbulent Particle Accelerator

... rise, peak, and decay for each individual burst. These events tend to be large and have a very good correlation with flares related to solar energetic particle (SEP) events [86]. Their behavior is also not understood. Note that spectral hardening can occur if electrons are trapped and low energy par ...
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Lx lecture on magnetic properties and microstructure

Superconducting Circuits and Quantum Computation
Superconducting Circuits and Quantum Computation

... Typically, these variables consist of two quantum states, and the quantum device is called a quantum bit or qubit. Superconducting quantum circuits have been proposed as qubits, in which circulating currents of opposite polarity characterize the two quantum states. The goal of the present research i ...
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magnetic field - WordPress.com
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... 2. Which of the following statements is most correct? F. The north pole of a freely rotating magnet points north because the magnetic pole near the geographic North Pole is like the north pole of a magnet. G. The north pole of a freely rotating magnet points north because the magnetic pole near the ...
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Electron Paramagnetic Resonance and High Temperature

... This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. ...
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... of the cubic axes. Similar to the experimental results the simulations suggest that the peak drift velocity for zincblende InAs is ∼ 3.4 × 105 ms−1 while those for AlAs and AlGaAs are about 0.8 × 105 ms−1 and 105 ms−1 , respectively. At higher electric fields, intervalley optical phonon emission dom ...
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... by the 3D shaping.  Analyzing 3D MHD equilibrium, “3D plasma response” was found. That is, magnetic field lines are naturally stochastized by pressureinduced perturbed field driven by currents along rippled field lines.  In experiments, changing the boundary of plasma pressure is observed. Increas ...
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Experiment and the foundations of quantum physics

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... Run the Van de Graaf generator (VdG) to create large electrostatic charges. • Insulate from the ground someone with long, dry hair and have them touch the upper globe of the VdG as it charges (i.e., discharge the VdG, touch your hand to the globe, then turn it on). Why does their hair stand on end? ...
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... solver will be included in future releases of FLASH. A crucial point in modeling the interaction between the Moon and the solar wind is how to choose the inner boundary conditions, at the surface of the moon. Here we model the Moon as an absorber of the solar wind. Ideally we should then remove all ...
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Near Infrared Optical Manipulation of a GaAs/AlGaAs Quantum Well

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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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