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1 On the derivation of wave function reduction from Schrödinger`s
1 On the derivation of wave function reduction from Schrödinger`s

M13_MonteCarloPhaseTrans
M13_MonteCarloPhaseTrans

...  will interact with its usual nearest neighbors, but will also on the edge of a boundary interact with the spin on the opposite side of the lattice: i.e. the lattice wraps around on itself. This effectively makes the lattice infinite in size, which is advantageous for simulating the thermodynamics ...
Band Theory
Band Theory

8. Three-dimensional box. Ideal Fermi and Bose gases
8. Three-dimensional box. Ideal Fermi and Bose gases

Numerical solution of the Dirac equation by a mapped Fourier grid
Numerical solution of the Dirac equation by a mapped Fourier grid

... to include negative values, and assuming the function to be exponentially small as |r| → ∞. Thus, the error in approximating the non-periodic function becomes exponentially small. The negative r-values need not be calculated by requiring an antisymmetric mapping and assuming the approximated functio ...
Decoherence - Center for Ultracold Atoms
Decoherence - Center for Ultracold Atoms

... quantum computing. Our three recent experiments on decoherence test various scaling laws and provide new insight on wave-particle duality. We studied decoherence in a system which is simple enough that the measured decoherence rate constant can be compared with ab initio calculations [KRC01] for the ...
JEST PHYSICS - SAMPLE THEORY
JEST PHYSICS - SAMPLE THEORY

... According to Einstein’s theory of relativity, the speed of light is maximum speed that can be attained by a particle in nature i.e. the speed of material particle (v) is always less than the speed of light c. Accordingly equation (2) implies that the de Broglie wave velocity must be greater than c. ...
Document
Document

Phys405-Chapter5
Phys405-Chapter5

... photodiode. If the light is at precisely the frequency corresponding to the atomic transition from the 5S1/2 ground state to the 5P3/2 excited state, the laser light will be absorbed as the rubidium atoms are excited out of their ground state, and consequently a drop in the photodiode signal occurs. ...
(pdf)
(pdf)

Optical probing of the spin state of a single magnetic impurity in a
Optical probing of the spin state of a single magnetic impurity in a

The Bethe ansatz after 75 years
The Bethe ansatz after 75 years

Electron spectroscopy of atoms and molecules using synchrotron
Electron spectroscopy of atoms and molecules using synchrotron

A computer program to calculate the total energy absorption cross
A computer program to calculate the total energy absorption cross

PowerPoint Version
PowerPoint Version

R C.-T. Chen and F. Robicheaux
R C.-T. Chen and F. Robicheaux

... describe multiphoton processes in atoms @1–11#. In particular, the Floquet approximation has proved to be successful for most experimental conditions where strong lasers interact with atoms or ions. There are several assumptions in the Floquet approximation. The typical duration of a modern short pu ...
Electron–phonon interaction and electronic decoherence in
Electron–phonon interaction and electronic decoherence in

... was the Landauer’s [11] simple but conceptually new approach. Besides the ‘‘sample’’ or device, he explicitly incorporated the description of the electric reservoirs connected to ‘‘the sample’’. The role of reservoirs can be played not only by electrodes but also could be spatial regions (localized ...
Kinetics of decay of metastable gas phase of polarized atomic
Kinetics of decay of metastable gas phase of polarized atomic

... Besides depolarization, exchange interaction makes possible in pair collisions of polarized atoms the resonant process of recombination with transition of the quasimolecule into bound singlet states whose energy is located a t a distance smaller than 2p,H from the end point of the continuous spectru ...
Crystal Structure of Mixed-metal Phosphite, Pb2Ga(HPIIIO3)3(PVO3)
Crystal Structure of Mixed-metal Phosphite, Pb2Ga(HPIIIO3)3(PVO3)

The Hydrogen Atom Revisited
The Hydrogen Atom Revisited

... Several myths about quantum mechanics exist due to a loss of awareness of its details since its inception in the beginning of the last century or based on recent experimental evidence. It is taught in textbooks that atomic hydrogen cannot go below the ground state. Atomic hydrogen having an experime ...
Quantised Singularities in the Electromagnetic Field
Quantised Singularities in the Electromagnetic Field

... change in phase round a small closed curve must be small. Thus this change cannot now be different by multiples of 2π for different wave functions. It must have one definite value and may therefore be interpreted without ambiguity in terms of the flux of the 6–vector E, H through the small closed cu ...
The Kapitza - Dirac effect.
The Kapitza - Dirac effect.

IOSR Journal of Applied Physics (IOSR-JAP)
IOSR Journal of Applied Physics (IOSR-JAP)

... the shapeare the same except that, in case of muon the distributions are more closely to the proton center, and the overlap with the potential is more than that of the electron,which explains the higher values of the vacuum polarization corrections in the energy levels in case of muon than in case o ...
The rotation of a homonuclear linear molecule
The rotation of a homonuclear linear molecule

... not required (recall that for an IR vibrational mode to be active it is necessary only that it should have an oscillating dipole moment). Electronic transitions don’t even need that, and the H2 molecule does have a UV spectrum. Electronic energy levels are split by the molecule’s vibration, and for ...
James Chadwick - Nobel Lecture
James Chadwick - Nobel Lecture

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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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