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Quels degrés de liberté pour quels phénom`enes? Part II. La
Quels degrés de liberté pour quels phénom`enes? Part II. La

Simulations of prompt many-body ionization in a frozen Rydberg gas Robicheaux
Simulations of prompt many-body ionization in a frozen Rydberg gas Robicheaux

... atoms and the controllability inherent in exciting specific states has led to the possibility of using Rydberg gases as examples of many-body systems. A recent experiment [1] found that ionization in a frozen Rydberg gas occurred at much lower densities than expected from calculations of pairwise in ...
Hydrogen atom in phase space: the Wigner representation
Hydrogen atom in phase space: the Wigner representation

Quantum transport signatures of chiral edge states in Sr2RuO4
Quantum transport signatures of chiral edge states in Sr2RuO4

... a chiral superconductor and vacuum. In this Letter we investigate the possibility of using quantum transport measurements to directly probe these edge states. A schematic view of the proposed device consisting of a double quantum dot based Cooper pair splitter (CPS) is shown in Fig. 1. The double do ...
Coupling-Matrix Approach to the Chern Number Calculation in
Coupling-Matrix Approach to the Chern Number Calculation in

Diatomic molecules in ultracold Fermi gases—novel
Diatomic molecules in ultracold Fermi gases—novel

Basic Conceptions: Spin Exchange and Electron Transfer
Basic Conceptions: Spin Exchange and Electron Transfer

Density Matrix Calculation of Surface Enhanced
Density Matrix Calculation of Surface Enhanced

... a valuable vibration-specific spectroscopic tool in spite of lingering questions about the SERS mechanism. Enhancement factors of up to ~106 for molecules on noble metal surfaces were obtained decades ago.1,2 With the recent push toward single-molecule SERS, enhancements of 1012-1014 have been estim ...
Theoretical aspects of Solid State Physics
Theoretical aspects of Solid State Physics

Chapter 38 - Quantum scattering
Chapter 38 - Quantum scattering

... CHAPTER 39. QUANTUM SCATTERING ...
Quantum scattering
Quantum scattering

High-order harmonic generation processes in
High-order harmonic generation processes in

1 Structure of Atom
1 Structure of Atom

A Comparative Study of Hole and Electron Inversion Layer
A Comparative Study of Hole and Electron Inversion Layer

THE SYMMETRY GROUP PARADOX FOR NON
THE SYMMETRY GROUP PARADOX FOR NON

Geometries, Band Gaps, Dipole Moments, Ionization Energies and
Geometries, Band Gaps, Dipole Moments, Ionization Energies and

Formal Theory of Green Functions
Formal Theory of Green Functions

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Quantum Mechanical Modelling and Optical Spectroscopy of

Spin-Orbital Separation in the quasi 1D Mott
Spin-Orbital Separation in the quasi 1D Mott

... Zooming into the magnetic part of Fig. 1c between 0 – 0.8 eV in energy transfer reveals strongly dispersing spin excitations, where the lower boundary has period π and the continuum (upper boundary) period 2π (Fig. 3a). These RIXS data agree very well with recent inelastic neutron scattering (INS) ...
Quantum Spin Hall Effect in Graphene
Quantum Spin Hall Effect in Graphene

... evaluate the expectation value of (8) in the basis of states given in (1) treating r as a constant. A full evaluation depends on the detailed form of the Bloch functions. However a simple estimate can be made in the ‘‘first star’’ p P approximation: uK;K0 ;A;B r  p expiKp r  d= 3. ...
Electronic structure, plane waves and pseudopotentials
Electronic structure, plane waves and pseudopotentials

... You need to decide what energy change is acceptable, and this is set by an energy convergence tolerance. The smaller this tolerance, the closer Castep will get to the ground state before finishing – but of course it will take longer. Castep can also compute the forces, and you can set a convergence ...
A two-dimensional, two-electron model atom in a laser pulse: exact
A two-dimensional, two-electron model atom in a laser pulse: exact

... Therefore the existence of an effective potential which transforms the problem of N interacting electrons to that of N non-interacting ones is proved. The non-interacting electrons move in an effective potential which is a functional of the total electron density only. The problem reduces to finding ...
Modified Einsteinian Dynamics(MOED): Discovery of a
Modified Einsteinian Dynamics(MOED): Discovery of a

... Mirror images but different quadrants. Matter and antimatter couldn't have annihilated because they are separated in different quadrants on a coordinate plane. Mirror image wave functions. Each complex conjugate pair wavelength represents a different universe and their can be an infinite number of d ...
83, 023615 (2011)
83, 023615 (2011)

... the Hall conductance is protected by the nontrivial bandstructure topology characterized by the Thouless-KohmotoNightingale-den Nijs (TKNN) number, or the Chern number ...
Creating fractional quantum Hall states with atomic clusters
Creating fractional quantum Hall states with atomic clusters

... an artificial magnetic field was studied with Bose-Einstein condensates, for high filling factors ν = N/Nv corresponding to a number of flux quanta Nv much less than the particle number N . In that regime, the gauge field leads to the appearance of Nv quantized vortices piercing the Bose-Einstein co ...
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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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