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Electric Fields
Electric Fields

... As with gravitational potential energy, the reference point for electric potential energy, and hence potential, is arbitrary. Usually what matters is a change in potential, so we just pick a convenient place to call potential energy zero. The dotted lines on the left represent equipotential surfaces ...
the PDF - JILA - University of Colorado Boulder
the PDF - JILA - University of Colorado Boulder

... dressed states jm0 i and jm1 i out of bare rotor states using microwave fields. This, in turn, allows for the full controllability of Jz , J? , V, and W, which is one of the main results of the present Letter. Lattice Hamiltonians based on more than one molecular rotational state have been consider ...
Berry Phase Effects on Electronic Properties
Berry Phase Effects on Electronic Properties

... state when the external parameters of a quantum system change slowly and make up a loop in the parameter space. In the absence of degeneracy, the eigenstate will surely come back to itself when finishing the loop, but there will be a phase difference equal to the time integral of the energy (divided ...
Zahn, M., Impact Charging of an Isolated Cylinder with Skewed Field and Flow, Journal of Electrostatics 5, 85-99, Sept. 1978
Zahn, M., Impact Charging of an Isolated Cylinder with Skewed Field and Flow, Journal of Electrostatics 5, 85-99, Sept. 1978

... charge cloud keeps a constant with time because repel!). ...
NMR spectroscopy
NMR spectroscopy

[235] JPhysConfSer_702(2016)012001
[235] JPhysConfSer_702(2016)012001

arXiv:0905.2946v1 [cond-mat.str-el] 18 May 2009
arXiv:0905.2946v1 [cond-mat.str-el] 18 May 2009

On the electromagnetic fields produced by marine frequency domain
On the electromagnetic fields produced by marine frequency domain

Two new experiments on measuring the permanent electric dipole
Two new experiments on measuring the permanent electric dipole

quantum field theory in curved spacetime
quantum field theory in curved spacetime

ISM_CH22 - Academic Program Pages
ISM_CH22 - Academic Program Pages

Correlation of carbon-13 and oxygen
Correlation of carbon-13 and oxygen

Introduction to Magnetic Resonance Imaging Techniques
Introduction to Magnetic Resonance Imaging Techniques

... natural oscillations of the swing. Let us focus on what made the needle oscillate: It was the small movements of the magnet, back and forth, or more precisely the oscillation of a weak magnetic field perpendicular to the powerful stationary magnetic field caused by the movement of the magnet. But os ...
101, 160401 (2008)
101, 160401 (2008)

... Introduction.—In recent years, the physics of the 2D chiral p-wave (px þ ipy ) superfluids has attracted much attention [1] because of its nontrivial statistical properties [2] and potential application in topological quantum computation [3,4]. The chiral superfluid can also act as a test bed for st ...
Quantum Plasmas - Bucharest Brahms Page
Quantum Plasmas - Bucharest Brahms Page

... Plasma was first identified in a Crookes tube, and so described by Sir William Crookes in 1879 (he called it "radiant matter"). The nature of the Crookes tube "cathode ray" matter was subsequently identified by British physicist Sir J.J. Thomson in 1897.The term "plasma" was coined by Irving Langmui ...
ModPhys IV Lecture 3
ModPhys IV Lecture 3

... The current course wiki, http://modphysfromm4.wiki.usfca.edu , now includes a Glossary of Mathematical Symbols, Other glossaries can be found on Google by searching “mathematics symbols” ...
"periodic principle" in the development of propulsion
"periodic principle" in the development of propulsion

Slides
Slides

Stability of nonstationary states of spin-1 Bose- Einstein condensates
Stability of nonstationary states of spin-1 Bose- Einstein condensates

... but ω3,4 can be complex if g2 < 0; the unstable states lie inside a triangular region in the ( k ,fz2 ) plane; see Figs. 1(a)–1(c). For fixed values of ω5,6 and q, Eq. (23) determines an ellipsoid in the ( k ,fz ) plane. The unstable states lie in the interior of the ellipsoid obtained by setting ω5 ...
Effects of large horizontal winds on the equatorial electrojet
Effects of large horizontal winds on the equatorial electrojet

Quantum Information—S. Lloyd, L. Levitov, T. Orlando, J. H. Shapiro, N.C. Wong
Quantum Information—S. Lloyd, L. Levitov, T. Orlando, J. H. Shapiro, N.C. Wong

Valley splitting in the transition-metal dichalcogenides monolayer
Valley splitting in the transition-metal dichalcogenides monolayer

... correlation effects by GGA+U calculation for 3d transition metal atoms because it is well known that the correlation effects is important for 3d orbitals.28 We find that the most stable adsorption site is the top on Mo atom for all 3d transition metal atoms adsorption (Sc-Cu) by GGA+U method, while ...
Guess Paper – 2009 Class – XII Subject –Physics (outside Delhi
Guess Paper – 2009 Class – XII Subject –Physics (outside Delhi

Noncommuting Coordinates in the Landau Problem
Noncommuting Coordinates in the Landau Problem

... has gained much attention recently, but the idea actually predates string theory. Coordinate noncommutativity, defined by the equation [xi , xj ] = iθij ...
Introduction to Magnetic Resonance Imaging Techniques
Introduction to Magnetic Resonance Imaging Techniques

< 1 ... 117 118 119 120 121 122 123 124 125 ... 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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