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EM Waves
EM Waves

Electronic transport through carbon nanotubes S. K
Electronic transport through carbon nanotubes S. K

... CNTs are always metallic, in contrast to zigzag ones, which have a gap unless n is a multiple* of 3. Undoped CNTs have a Fermi energy at E = 0 (charge neutrality point), and the valence (lower) bands cross the conductance (upper) bands in metallic CNTs exclusively at k = ±2π/3a and 0 for the wrappin ...
投影片 1
投影片 1

Field - NMSU
Field - NMSU

T - Apple
T - Apple

... If light is a wave why does our eye see a constant brightness for an object instead of a brightness that cycles dark and light at the frequency of the optical wave? ...
Snimka 1 - BEO Centre of Excellence
Snimka 1 - BEO Centre of Excellence

... maximum (Q=2, T=1). Particle is moving in meridian plane. minimum (Q=0). Particle is moving perpendicular to meridian plane and velocity projection to Rz plane changes its sign (particle after reaching the point Q=0 is moving in reversed direction). The line Q=0 at plane Rz is enclosing the region f ...
Chapter 29. Magnetism and the Electric Field
Chapter 29. Magnetism and the Electric Field

... *29-46. The plane of a current loop 50 cm long and 25 cm wide is parallel to a 0.3 T B field directed along the positive x axis. The 50 cm segments are parallel with the field and the 25 cm segments are perpendicular to the field. When looking down from the top, the 6-A current is clockwise around t ...
slides - p-ADICS.2015
slides - p-ADICS.2015

Properties and estimated parameters of a submicrometer HSDMAGFET W. K
Properties and estimated parameters of a submicrometer HSDMAGFET W. K

... A two-dimensional picture of the electron distribution in an HSDMAGFET with only one gate presented in Fig. 2 is obtained with the use of PISCES IIB program under the following biasing conditions: drain-to-source voltages VDS1 = VDS2 = 9.2 V, gate-to-source voltage VGS = 1 V, the external magnetic i ...
fundamental topics in physics
fundamental topics in physics

The Action Functional
The Action Functional

... great deterministic power of the idea underlay the industrial age and explained the motions of planets. It is not surprising that the probabilistic preditions of quantum mechanics were strongly resisted1 but experiment - the ultimate arbiter - decrees in favor of quantum mechanics. This strong beli ...
Full Text PDF - Science and Education Publishing
Full Text PDF - Science and Education Publishing

Homework7
Homework7

... Two capacitors with capacitances of 1.0 µF and 0.50 µF, respectively, are connected in series. The system is connected to a 100-V battery. What electrical potential energy is stored in the 1.0-µF capacitor? a. 0.065 × 10−3 J b. 4.3 × 10−3 J c. 0.80 × 10−3 J d. 5.6 × 10−4 J Inserting a dielectric mat ...
NMR: Technical Background
NMR: Technical Background

Maxwell`s Equations is the Most Basic for Satellite Communications
Maxwell`s Equations is the Most Basic for Satellite Communications

Chapter 21 – Electric Charge and Electric Field Chapter 22
Chapter 21 – Electric Charge and Electric Field Chapter 22

Molecular Magnets in the Field Of Quantum Computing
Molecular Magnets in the Field Of Quantum Computing

... wells. Known as the bias field, this prevents quantum tunneling between quasi-equivalent eigenstates in the two wells i.e. spin flips are suppressed. The first step of Grover’s algorithm requires that all states within the system be equally populated. This is achieved by inducing electron transition ...
Student AP Physics B Date ______ ELECTROSTATICS FR2 #14
Student AP Physics B Date ______ ELECTROSTATICS FR2 #14

Electric Potential
Electric Potential

Realization of Bose-Einstein Condensation in dilute gases
Realization of Bose-Einstein Condensation in dilute gases

... zero. Under such supercooled conditions, a large fraction of the atoms collapse into the lowest quantum state of the external potential, at which point quantum effects become apparent on a macroscopic scale. When a bosonic system is cooled below the critical temperature of Bose-Einstein condensation ...
Ch. 30 - Sources of magnetic fields
Ch. 30 - Sources of magnetic fields

... because there are single electric charges. On the other hand, we have never detected a single magnetic charge, only dipoles. Since there are no magnetic monopoles there is no place for magnetic  or end. field lines to begin ...
H.Wk Booklet Electric Mag Fields (3)
H.Wk Booklet Electric Mag Fields (3)

lectures from Chapter 26
lectures from Chapter 26

Active Spectroscopy
Active Spectroscopy

Electric Field
Electric Field

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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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