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talk
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... suggesting a chiral phase transition in RHIC collisions.  We note that in most quark-matter scenarios, the QGP phase transition is usually accompanied by a chiral phase transition at about the same critical temperature. August 11, 2005 ...
Inhomogeneous boundary effects in semiconductor quantum wires
Inhomogeneous boundary effects in semiconductor quantum wires

Chin. Phys. B
Chin. Phys. B

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Getting Started

... and that we are interested in the stationary state wave functions obtained using separation of variables: (Equation 2) ( x, t )   ( x)e iEt /  Also recall that we find the eigenfunctions, ψ(x), from the time-independent Schrödinger equation which is the result of combining equations 1 and 2:  ...
The Kronig-Penney Model: A Single Lecture Illustrating the Band
The Kronig-Penney Model: A Single Lecture Illustrating the Band

atom interferometer - Center for Ultracold Atoms
atom interferometer - Center for Ultracold Atoms

... We recently measured the velocity dependence of the index of refraction seen by sodium matter-waves passing through a gas target. In optical parlance, we measured the dispersion, i.e. the variation of index with wavelength. Our experiment's unique sensitivity to the phase shift of forward-scattered ...
Wave Mechanics
Wave Mechanics

... Suppose we have a single particle of mass m confined to within a region 0 < x < L with potential energy V = 0 bounded by infinitely high potential barriers, i.e. V = ∞ for x < 0 and x > L. This simple model is sufficient to describe (in one dimension), for instance, the properties of the conduction ...
Analytic structure and power-series expansion of the S. A. Rakityansky
Analytic structure and power-series expansion of the S. A. Rakityansky

... Our goal is to establish the analytic structure of the Jost function, i.e. to find such an expression for it where all possible nonanalytic dependencies on the energy are given explicitly. This can be done if we transform the second-order radial equation (4) into an equivalent set of first-order equ ...
bosons fermions
bosons fermions

... Their excess precipitates to the lowest level, which becomes macroscopically occupied, i.e., it holds a finite fraction of all atoms. This is the BE condensate. ...
Supplementary Material
Supplementary Material

...  n  0, m,  and the 2LL orbitals  n  1, m, . The energy gap between the Landau levels is therefore comparable with the Zeeman energy E zIMP of the nuclear spin, enabling the flip-flop transitions between the electronic and nuclear spins. For this to take place, however, we have to populate ...
Wednesday, Aug. 30, 2006
Wednesday, Aug. 30, 2006

... • Difficult to describe Small scale phenom. w/ just CM and EM • The study of atomic structure led to quantum mechanics – Long range EM force is responsible for holding atoms together (why ?) – Yet sufficiently weak for QM to estimate properties of atoms reliably ...
Spatial and Temporal Wave Functions of Photon
Spatial and Temporal Wave Functions of Photon

Document
Document

Pairing in a system of a few attractive fermions in a harmonic trap
Pairing in a system of a few attractive fermions in a harmonic trap

Direct Pseudopotential Calculation of Exciton Coulomb and
Direct Pseudopotential Calculation of Exciton Coulomb and

Semiclassical Origins of Density Functionals
Semiclassical Origins of Density Functionals

... and is ‘‘unreasonably accurate’’ [7], with less than 10% error even for H. An approximation that reproduces these three coefficients is AE2 and is likely to be very accurate. Lieb [12] showed that Thomas-Fermi theory becomes exact in the limit  ! 1 for all systems. However, TF theory recovers only ...


... compared the closed-orbit calculations to quantum calculations done for principal quantum numbers in the ranges 30 ,n,40 and 40,n,50. By a classical scaling law ~Ref. @6#! applied to Eq. ~3!, the isolated short action recurrences should decrease by factors of 0.5 and 0.3 as the principal quantum num ...
Lamb shift
Lamb shift

...  The spacetime curvature may cause corrections to quantum effects already existing in flat spacetime, e.g., the Lamb shift.  The Lamb shift is weakened by the spacetime curvature, and the corrections may be found by looking at the spectra from a ...
Schrödinger Theory of Electrons in Electromagnetic Fields: New
Schrödinger Theory of Electrons in Electromagnetic Fields: New

Two-level quantum dot in the Aharonov–Bohm ring. Towards understanding “phase lapse”  P.
Two-level quantum dot in the Aharonov–Bohm ring. Towards understanding “phase lapse” P.

... The current is calculated starting from time evolution of non-equilibrium Green functions under assumption that the γ = 1 QD level is well coupled to the leads and active in electron transport, whereas γ = 2 level wave function has only a small, finite overlap with the states in the leads but does n ...
E Problems for Unit III
E Problems for Unit III

Accurate Modeling of Organic Molecular Crystals by Dispersion
Accurate Modeling of Organic Molecular Crystals by Dispersion

Department of Physics, Chemistry and Biology Master’s Thesis Thomas Fransson
Department of Physics, Chemistry and Biology Master’s Thesis Thomas Fransson

... exact solution to the Schrödinger equation is given in this basis [1]. However, this is possible only for very small systems and other approaches must be used for an approximate solution. ...
A Model of the Chemical Bond Must Be Rooted in Quantum
A Model of the Chemical Bond Must Be Rooted in Quantum

Long distance coupling of a quantum mechanical oscillator to the
Long distance coupling of a quantum mechanical oscillator to the

... which generically exhibit much larger radiation pressure coupling to light. Coupling to internal degrees of freedom also benefits from the rich toolbox available for the manipulation, initialization and measurement of the electronic atomic states with laser light. Moreover, internal states of atomic ...
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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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