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Atom-atom interactions in ultracold gases - cours en ligne CEL
Atom-atom interactions in ultracold gases - cours en ligne CEL

Magnetic fields and the variable wind of the β Ori early-type supergiant
Magnetic fields and the variable wind of the β Ori early-type supergiant

... 8 M⊙ , where M⊙ is the solar mass. Such stars begin their main sequence (hydrogenburning) lives with a spectral type of O or B, with effective temperatures Teff ranging from 25, 000 − 50, 000 K, significantly hotter than the solar value of Teff ≃ 5780 K. Their high temperatures cause their spectral ...
Stabilization of Plasma by Nonuniform Magnetic Fields
Stabilization of Plasma by Nonuniform Magnetic Fields

Chapter 17: Electric Potential
Chapter 17: Electric Potential

`static electricity` or `Electrostatics`.
`static electricity` or `Electrostatics`.

Planck Mass Plasma Vacuum Conjecture
Planck Mass Plasma Vacuum Conjecture

... As before, ψ−† ψ− can be treated as a c-number with regard to the operators ψ +† , ψ+ and vice versa. In these terms ψ−† ψ− (resp. ψ+† ψ+ ) acts like an external potential. It is well known that for a nonrelativistic field theory without interaction, but in the presence of an external potential the ...
Physics 2000
Physics 2000

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Contents

... It is found that the classical value of Lorentz number is only one half of the experimental value (2.44 × 10–8 WK–2). The discrepancy of L value is the failure of the classical theory (Experimental and Theoretical). This can be rectified by quantum theory. 1.8.2 By Quantum theory By Quantum theory ...
ppt
ppt

Chapter 2. Electronic, Vibrational and Spin
Chapter 2. Electronic, Vibrational and Spin

PowerPoint 演示文稿 - at www.arxiv.org.
PowerPoint 演示文稿 - at www.arxiv.org.

Recurrence spectroscopy of atoms in electric fields: Failure of classical
Recurrence spectroscopy of atoms in electric fields: Failure of classical

... this quantity determines the phase of the returning semiclassical waves. The ‘‘effective Planck constant’’ is defined as \ˆ 5F 1/4 in atomic units. Thus \ˆ can be changed at fixed e simply by varying the electric field range measured in the experiment. Smaller F at fixed e implies higher principal q ...
QB abstracts compiled 160613
QB abstracts compiled 160613

... Certification of quantum teleportation for all entangled states Daniel Cavalcanti, Institute of Photonic Sciences, [email protected] Quantum teleportation is one the cornerstones of quantum information science, serving as a primitive in several quantum information tasks. It has become a testbed ...
It is natural to think of quantum computations as multiparticle
It is natural to think of quantum computations as multiparticle

Zahn, M., Y. Ohki, K. Rhoads, M. LaGasse, and H. Matsuzawa, Electro- optic Charge Injection and Transport Measurements in Highly Purified Water and Water/Ethylene Glycol Mixtures, IEEE Transactions on Electrical Insulation UEI-20U, 199-211, April 1985
Zahn, M., Y. Ohki, K. Rhoads, M. LaGasse, and H. Matsuzawa, Electro- optic Charge Injection and Transport Measurements in Highly Purified Water and Water/Ethylene Glycol Mixtures, IEEE Transactions on Electrical Insulation UEI-20U, 199-211, April 1985

... laser at 633 nm wavelength was aimed down the center of a stainless steel parallel electrode geometry system with a 1P21 photomultiplier tube (PMT) as a detector. When a HV pulse with about 50 us risetime was applied, the PMT output went through a series of maxima and minima related by the integer n ...
Field around CCl4
Field around CCl4

... In the potential functions developed previously for HCl, the third interaction points were placed on the H–Cl bond28 or on the line extended from this bond,29,30 and a negative charge is assigned to the point in the middle and positive charges to the other two points, to get good agreement in the mo ...
CBSE-SAMPLE PAPER 1 -2011 -Class XII
CBSE-SAMPLE PAPER 1 -2011 -Class XII

... Question 13. In the figure, the straight wire AB is fixed while the loop is free to move under the influence of the electric currents flowing in them. In which direction does the loop begin to move? Give reason for your answer. (2 marks) Question 14. A radio frequency choke is air-cored coil wherea ...
NMR SPectroscopy
NMR SPectroscopy

rapid recombination of plasma jets
rapid recombination of plasma jets

4783 - SEMI.ORG
4783 - SEMI.ORG

Magnetic Fields and Forces
Magnetic Fields and Forces

... closed curves. If we consider the field lines continuing inside a magnet, however, we find that these lines also form complete closed curves, as shown in FIGURE 24.9 . In this and the next section, we’ll explore in some detail the magnetic fields created by currents; later, we’ll look again at field ...
Magnetic Interactions in Low-Dimensional Iron Nanostructures
Magnetic Interactions in Low-Dimensional Iron Nanostructures

thesis
thesis

... state of fermions is obtained by anti-symmetrising the tensor product of single-particle wave functions, while for bosons the wave function is symmetrised. This procedure long stood as a corner stone of quantum mechanics and is still procedure in many applications. But one may object that in a quant ...
- Nottingham ePrints
- Nottingham ePrints

... We are operating in the classical regime, in that we observe quadrature variances that are several orders of magnitude larger than those in the quantum ground state. Therefore, we may estimate the particle’s momentum by simply taking the time differential of the position measurement. In passing we n ...
McIntyre, M.E., 2102. Potential Vorticity. From the
McIntyre, M.E., 2102. Potential Vorticity. From the

... much less accurate formulae for the material invariants possessed by certain approximate balanced models, such as quasigeostrophic theory and semigeostrophic theory. Their material invariants are also called potential vorticities but are defined by formulae that differ substantially from (3) and (4) ...
< 1 ... 51 52 53 54 55 56 57 58 59 ... 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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