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Chapter 1 BKT physics with two
Chapter 1 BKT physics with two

... fluid is fundamentally mediated by interactions and many of its properties (such as the critical temperature) crucially depend on their strength. Second, specifically in the case of a harmonically trapped gas, the fact that in the limit of vanishing interactions we should recover the conventional BE ...
contents - Jordan University of Science and Technology
contents - Jordan University of Science and Technology

... The polarization of the light emitted from excited state provides us with a lot of information about the processes during the collision between the electron and atom. To describe the polarization of the light completely, one must measure the stockes parameters P1, P2, and P3. The P1 and P2 represent ...
Cooperation of different exchange mechanisms in confined
Cooperation of different exchange mechanisms in confined

... One should note that the onsite interaction in Heff (second term) makes the central region correlated at the interfaces between the Kondo singlets and the central region, i.e. i = 3 and i = L − 2. Since the spins, developing at the chain edges for strong J, are only weakly coupled to the central reg ...
LECTURE-3 Electrons and Holes in semiconductors: Silicon crystal
LECTURE-3 Electrons and Holes in semiconductors: Silicon crystal

... we go the other way, and introduce a 3-electron impurity into such a crystal? Suppose we introduce some Aluminum (from column IIIa in the Periodic Table) into the crystal, as shown to the left? We could also try Gallium, which is also in column IIIa right under aluminum. Now what? These elements onl ...
Computer simulation by quantum mechanical time dependent wave
Computer simulation by quantum mechanical time dependent wave

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Hyperfine structure in photoassociative spectra of 6Li2

Calculation of Van der Waals interaction strength between rubidium
Calculation of Van der Waals interaction strength between rubidium

AN EFFICIENT METHOD FOR BAND STRUCTURE CALCULATIONS IN 2D PHOTONIC CRYSTALS
AN EFFICIENT METHOD FOR BAND STRUCTURE CALCULATIONS IN 2D PHOTONIC CRYSTALS

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... The FRG method is very efficient to include quantum and thermal fluctuations in thermodynamic potential in QM and PQM model The FRG provides correct scaling of physical observables expected in the O(4) universality class To observe fluctuations related with O(4) crossover in HIC measure higher order ...
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Superluminal Quantum Models of the Photon and Electron

... Parson’s Magneton Model of the Atom and the Electron Alfred Lauck Parson proposed in 1915 that an electron is formed of a helical vortex or circular ring of charged filiments circulating at high speed along a common continuous path in an atom. Also known as the "toroidal ring model","magnetic elect ...
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Far-infrared Rydberg-Rydberg transitions in a magnetic field: Deexcitation of antihydrogen atoms

... very small. The present experiments and calculations are not directly comparable to this work because we are interested in stronger laser intensities where the competition between excitation and deexcitation is important. The deexcitation behavior is particularly interesting for accelerating the rad ...
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... electrostatic field so as to determine the trajectory of the associated wave-train we can consider that the electron has to undergo multiple interactions with such virtual photons until the action of the exterior field vanishes such multiple interactions being allowed by quantum mechanics. Accor ...
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... shown. Consider a situation where the system is in the state j1i at t ˆ 0. The counter-intuitive pulse sequence is applied as follows: X1 is kept zero and X2 is turned on for a duration T1 . At t ˆ T1 , X1 is also turned on over a duration T while X2 is turned o€. At t ˆ T1 ‡ T , X1 is also turned o ...
Shannon Information Entropy in Position Space for Two
Shannon Information Entropy in Position Space for Two

... In our present work we also present an investigation on the ground states of these twoelectron ions by changing the Z value from Z = 1.0 to the region near Z = Zcr at which value this two-electron system starts becoming unbound. For Z > Zcr , as the upper-bound principle to their ground states ener ...
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The Energy and Geometrical Structure of Molecules

... reach the understanding that we can use quantum theory to estimate the size of a molecule by looking at the wavelengths of the light that it absorbs. 1.2 Infrared Radiation from the Earth We will see that a spectrum of the IR emitted from the Earth, as recorded by an observation satellite, gives us ...
Atom optics: Old ideas, current technology, and new results
Atom optics: Old ideas, current technology, and new results

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Tight binding

In solid-state physics, the tight-binding model (or TB model) is an approach to the calculation of electronic band structure using an approximate set of wave functions based upon superposition of wave functions for isolated atoms located at each atomic site. The method is closely related to the LCAO method used in chemistry. Tight-binding models are applied to a wide variety of solids. The model gives good qualitative results in many cases and can be combined with other models that give better results where the tight-binding model fails. Though the tight-binding model is a one-electron model, the model also provides a basis for more advanced calculations like the calculation of surface states and application to various kinds of many-body problem and quasiparticle calculations.
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