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Magnetisation and Susceptibilty
Magnetisation and Susceptibilty

... Using a Hall Probe, electromagnet and a set of weighing scales the magnetic phenomena of paramagnetism and ferromagnetism are investigated. The current was calibrated with the magnetic field so that further measurements could be made, where their relationship is found to be non-linear. Using a sampl ...
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... SU(6) Breaking : Strange quark mass + Hyperfine (OGE) splitting Vij HS ...
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... coupling field, where the RWA is not valid, the second term of Eq. 共3兲 becomes important 关2,3兴, and the population will depend now both on the Rabi frequency and the phase of the driving field. In recent years, this effect has also been observed indirectly using ultrashort optical pulses 关9–11兴 unde ...


Particle in the box
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... An example of a situation in which only bound states exist in a quantum system. We consider the stationary states of a particle confined to a one-dimensional interval [-a; a] assuming that the potential outside of this interval is infinite. ...
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... a. potential difference between the plates will double. b. charge on each plate will double. c. force on a charged particle halfway between the plates will get twice as small. d. force on a charged particle halfway between the plates will get four times as small. 12. What is the equivalent capacitan ...
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Research program, TH Hansson

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Advanced Electromagnetism. - Fondation Louis de Broglie

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Chapter 34. Electromagnetic Induction

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Does the Third Law of Thermodynamics Hold

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quantum mechanical laws

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F 502 – Eletromagnetismo I – Problemas adicionais

... c) Confirm your answer in part (a) by computing the magnetic dipole moment associated with K from part (b). ...
Chapter 2 - Physics & Astronomy
Chapter 2 - Physics & Astronomy

... • if the system is linear, then the wave equation may be split into separate equations for superposed components; i.e., if y1 and y2 are wave solutions, then so is any superposition of them • if sinusoidal solutions are allowed, then the wave shape at any time may be written as a superposition of si ...
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Slide 1

Exercises - Word
Exercises - Word

... electric field at locations around a charged ring. Students will compare numerical results to an analytic solution for points along the axis of the ring, but they will also compute electric field at any point around the ring. ...
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PHYS 632 Lecture 3: Gauss` Law

... anywhere including outside the conductor. This results in a net force of F = eE = 0 inside the conductor. ...
< 1 ... 412 413 414 415 416 417 418 419 420 ... 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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