the atomic nucleus - NPAC
... techniques. Next-generation radioactive ion beam (RIB) facilities which are being constructed (for example, Spiral2 at Ganil in France and FAIR at GSI in Germany) will allow nuclear physicists to produce with sufficiently high intensities (so that measurements become possible) many unknown unstable ...
... techniques. Next-generation radioactive ion beam (RIB) facilities which are being constructed (for example, Spiral2 at Ganil in France and FAIR at GSI in Germany) will allow nuclear physicists to produce with sufficiently high intensities (so that measurements become possible) many unknown unstable ...
of Cyclotron resonance a two-dimensional Wigner crystal
... extremely strong when the quantising magnetic field H A is applied normally to the electron (or hole) layer. In this case in the single-electron approximation the electron energy spectrum presents a set of Landau levels. Due to the discreteness of the spectrum elastic scattering by impurities and qu ...
... extremely strong when the quantising magnetic field H A is applied normally to the electron (or hole) layer. In this case in the single-electron approximation the electron energy spectrum presents a set of Landau levels. Due to the discreteness of the spectrum elastic scattering by impurities and qu ...
A Guide to Molecular Mechanics and Quantum Chemical Calculations
... the kinetics of reaction does require consideration of all steps (and all transition states). Where one transition state is much higher in energy than any of the others (as in the diagram above) the overall kinetics may safely be assumed to depend only on this “rate limiting step”. In principle, mec ...
... the kinetics of reaction does require consideration of all steps (and all transition states). Where one transition state is much higher in energy than any of the others (as in the diagram above) the overall kinetics may safely be assumed to depend only on this “rate limiting step”. In principle, mec ...
Transport and percolation in a low-density high
... The low temperature conduction properties of an interacting two-dimensional (2D) electron gas in the presence of disorder remains a topic of fundamental interest and some controversy. It has been understood for some time that all non-interacting electronic states are localized in the presence of dis ...
... The low temperature conduction properties of an interacting two-dimensional (2D) electron gas in the presence of disorder remains a topic of fundamental interest and some controversy. It has been understood for some time that all non-interacting electronic states are localized in the presence of dis ...
PPT
... Mean-field treatment of interacting atoms In the mean-field approximation, the interacting particles are replaced by independent particles moving in an effective potential they create themselves ...
... Mean-field treatment of interacting atoms In the mean-field approximation, the interacting particles are replaced by independent particles moving in an effective potential they create themselves ...
PPT
... 1. The switch-on of U changes the energy dispersion of the left-half lattice. 2. Moving a high-energy particle to a low-energy state or vice versa is forbidden by the underlying quantum dynamics. 3. The blockade is dynamical. (unlike Mott insulator in equilibrium which is due to energy minimization. ...
... 1. The switch-on of U changes the energy dispersion of the left-half lattice. 2. Moving a high-energy particle to a low-energy state or vice versa is forbidden by the underlying quantum dynamics. 3. The blockade is dynamical. (unlike Mott insulator in equilibrium which is due to energy minimization. ...
Bonding and Structure Organic Molecular Structure
... • This is the only reasonable way to draw a Lewis structure for CH3NO2 • the "filled shell/octet rule" is obeyed for all atoms, but the normal rules of valence are not (4 bonds to the nitrogen instead of 3, and 1 bond to the lower oxygen instead of two) • the central nitrogen "sees" 8 electrons, i.e ...
... • This is the only reasonable way to draw a Lewis structure for CH3NO2 • the "filled shell/octet rule" is obeyed for all atoms, but the normal rules of valence are not (4 bonds to the nitrogen instead of 3, and 1 bond to the lower oxygen instead of two) • the central nitrogen "sees" 8 electrons, i.e ...
1 Correlated Electrons: Why we need Models to - cond
... started with the conception of the density functional theory (DFT), which was initiated by seminal works of Walter Kohn, Pierre Hohenberg, and Lu Sham [1, 2]. This is the first-principles scheme based on the exact theorem, stating that the ground state of interacting electron systems can be found by ...
... started with the conception of the density functional theory (DFT), which was initiated by seminal works of Walter Kohn, Pierre Hohenberg, and Lu Sham [1, 2]. This is the first-principles scheme based on the exact theorem, stating that the ground state of interacting electron systems can be found by ...
Statistics of Occupation Numbers
... natural representation of the states for a system of identical particles and avoids the complications of enforcing permutation symmetry and evaluating degeneracy factors. Thus, the many-body wave function is fully determined by the set n of occupation numbers for each orbital. The occupancy of singl ...
... natural representation of the states for a system of identical particles and avoids the complications of enforcing permutation symmetry and evaluating degeneracy factors. Thus, the many-body wave function is fully determined by the set n of occupation numbers for each orbital. The occupancy of singl ...
Spectroscopic Notation Most of the information we have about the
... we write the state of an atom as 2S+1 LJ , where 2S + 1 is called the “multiplicity”, and L is called the “term”. For instance, an atom of neutral carbon in the ground state can be described as 1s2 , 2s2 , 2p2 3 P0 . Since L, S, and J are all quantized vectors, they can have more than one orientatio ...
... we write the state of an atom as 2S+1 LJ , where 2S + 1 is called the “multiplicity”, and L is called the “term”. For instance, an atom of neutral carbon in the ground state can be described as 1s2 , 2s2 , 2p2 3 P0 . Since L, S, and J are all quantized vectors, they can have more than one orientatio ...
Chapter 3 Statistical thermodynamics
... Suppose the lowest energy level is ε0, εi - ε0 =Δεi , the particles in ε0 energy level is N0, omit “*”, so the formula above can be written as: ...
... Suppose the lowest energy level is ε0, εi - ε0 =Δεi , the particles in ε0 energy level is N0, omit “*”, so the formula above can be written as: ...
International Journal of Molecular Sciences
... A First-Principles Study of Thiol Ligated CdSe Nanoclusters A Dissertation Presented by Shanshan Wu to The Graduate School in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Applied Mathematics and Statistics ...
... A First-Principles Study of Thiol Ligated CdSe Nanoclusters A Dissertation Presented by Shanshan Wu to The Graduate School in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Applied Mathematics and Statistics ...
A Comparative Study of Hole and Electron Inversion Layer
... layer quantization in nanoscale p-MOSFET. The inversion charge density and capacitance analysis for both types of transistors has been done. The results are compared for the similar cases in n-MOSFETs and the numerical results also and show good agreement. A detailed study has been done to evaluate ...
... layer quantization in nanoscale p-MOSFET. The inversion charge density and capacitance analysis for both types of transistors has been done. The results are compared for the similar cases in n-MOSFETs and the numerical results also and show good agreement. A detailed study has been done to evaluate ...
Current-carrying ground states in mesoscopic and macroscopic systems Michael R. Geller
... Ref. 11 to include the effects of spin-orbit interaction, which has received considerable attention in connection with persistent currents and spontaneous currents. Spin-orbit interaction is known to lead to a topological interference effect, called the Aharonov-Casher effect,14 which is an electrom ...
... Ref. 11 to include the effects of spin-orbit interaction, which has received considerable attention in connection with persistent currents and spontaneous currents. Spin-orbit interaction is known to lead to a topological interference effect, called the Aharonov-Casher effect,14 which is an electrom ...
Degenerate Fermi Gases
... To deal with an interacting Fermi system a huge amount of analitical and numerical methods have been developed. In the next a flavour of (very recentely realized/studied in the context of cold-gases): - Polaron physics (in the spirit Landau quasi-particles) - BCS-BEC crossover - Polarized Fermi gas ...
... To deal with an interacting Fermi system a huge amount of analitical and numerical methods have been developed. In the next a flavour of (very recentely realized/studied in the context of cold-gases): - Polaron physics (in the spirit Landau quasi-particles) - BCS-BEC crossover - Polarized Fermi gas ...
Inhomogeneous boundary effects in semiconductor quantum wires
... We now study the randomly-fluctuating boundary case, where we assume the maximum fluctuating amplitude V, of V,(z) is much less than the characteristic energy of the confinement potential. In this case, equation (5) effectively represents an electron in a one-dimensional random potential. The differ ...
... We now study the randomly-fluctuating boundary case, where we assume the maximum fluctuating amplitude V, of V,(z) is much less than the characteristic energy of the confinement potential. In this case, equation (5) effectively represents an electron in a one-dimensional random potential. The differ ...
Hydrogen-like atoms and ions - solutions to the
... The m-script qp_legendre.m computes and plots the associated Legendre functions. Figure 3 shows polar diagrams of the directional dependence of the associated Legendre functions and corresponding probability densities for different orbits. Fig. 3. Polar diagrams for the associated Legendre polynomia ...
... The m-script qp_legendre.m computes and plots the associated Legendre functions. Figure 3 shows polar diagrams of the directional dependence of the associated Legendre functions and corresponding probability densities for different orbits. Fig. 3. Polar diagrams for the associated Legendre polynomia ...