Rigorous results in electronic structure calculations
... the normalized wave function of a system of identical particles is either symmetric, when z = 1, or antisymmetric, when z = −1, with respect to the interchange of any two identical particles. Particles with symmetric wave functions are called bosons, and particles with antisymmetric wave functions a ...
... the normalized wave function of a system of identical particles is either symmetric, when z = 1, or antisymmetric, when z = −1, with respect to the interchange of any two identical particles. Particles with symmetric wave functions are called bosons, and particles with antisymmetric wave functions a ...
Dipole-bound anions of highly polar molecules: Ethylene carbonate
... * is the effective principal quantum number of the where n max Rydberg atom that produces the greatest yield of dipolebound anions. This method has been recently applied to a large number 共27兲 of molecules possessing dipole moments between 2.5 and 4.3 D.11 The applicability of this relationship to h ...
... * is the effective principal quantum number of the where n max Rydberg atom that produces the greatest yield of dipolebound anions. This method has been recently applied to a large number 共27兲 of molecules possessing dipole moments between 2.5 and 4.3 D.11 The applicability of this relationship to h ...
Theoretical Modeling of Transport in Nanostructures June 02, 2009
... spin excitations that can be probed in simple tunneling-spectroscopy transport [1, 2]. We explore the possibility of using QMC techniques to calculate the conductance through a Kondo correlated quantum dot. (2) Interaction-induced localization in an inhomogeneous quantum wire-- We study the localiza ...
... spin excitations that can be probed in simple tunneling-spectroscopy transport [1, 2]. We explore the possibility of using QMC techniques to calculate the conductance through a Kondo correlated quantum dot. (2) Interaction-induced localization in an inhomogeneous quantum wire-- We study the localiza ...
Enhancement of Tunneling from a Correlated 2D Electron System
... correlation effects are small. We expect that tunneling experiments on low-density 2DESs in parallel fields will reveal electron correlations not imposed by the magnetic field, give insight into electron dynamics, and possibly even reveal a transition from an electron fluid to a pinned Wigner crysta ...
... correlation effects are small. We expect that tunneling experiments on low-density 2DESs in parallel fields will reveal electron correlations not imposed by the magnetic field, give insight into electron dynamics, and possibly even reveal a transition from an electron fluid to a pinned Wigner crysta ...
Dual Density Operators and Natural Language
... entailment? We resolve this dilemma by introducing dual density operators. These are mathematical entities which admit ‘two independent dimensions’ of being a density operator. Moreover, just like ordinary density operators, these dual density operators inhabit a category of the appropriate structur ...
... entailment? We resolve this dilemma by introducing dual density operators. These are mathematical entities which admit ‘two independent dimensions’ of being a density operator. Moreover, just like ordinary density operators, these dual density operators inhabit a category of the appropriate structur ...
Ab initio theory of ferromagnetic transition metals and alloys under
... of the present theory is the set of interatomic exchange parameters Jij . These parameters will be extracted from realistic band structure calculation for a particular system and their pressure dependence will be studied. Their change with lattice contraction is not straightforward to predict. On on ...
... of the present theory is the set of interatomic exchange parameters Jij . These parameters will be extracted from realistic band structure calculation for a particular system and their pressure dependence will be studied. Their change with lattice contraction is not straightforward to predict. On on ...
Born approximation - BYU Physics and Astronomy
... What is the main idea of the Born approximation? A. To develop a formalism where we express the wave function in terms of Green’s functions B. To use Helmholtz equation instead of Schrödinger equation C. To find an approximate expression for when far away from the scattering center for a given pot ...
... What is the main idea of the Born approximation? A. To develop a formalism where we express the wave function in terms of Green’s functions B. To use Helmholtz equation instead of Schrödinger equation C. To find an approximate expression for when far away from the scattering center for a given pot ...
An Introduction to Theoretical Chemistry - Beck-Shop
... Theoretical treatment of electronic structure: atomic and molecular orbital theory In Chapter 5’s discussion of molecular structure, I introduced you to the strategies that theory uses to interpret experimental data relating to such matters, and how and why theory can also be used to simulate the be ...
... Theoretical treatment of electronic structure: atomic and molecular orbital theory In Chapter 5’s discussion of molecular structure, I introduced you to the strategies that theory uses to interpret experimental data relating to such matters, and how and why theory can also be used to simulate the be ...
EE 5340©
... Newtonian Mechanics • Kinetic energy, KE = mv2/2 = p2/2m Conservation of Energy Theorem • Momentum, p = mv Conservation of Momentum Thm • Newton’s second Law F = ma = m dv/dt = m d2x/dt2 ...
... Newtonian Mechanics • Kinetic energy, KE = mv2/2 = p2/2m Conservation of Energy Theorem • Momentum, p = mv Conservation of Momentum Thm • Newton’s second Law F = ma = m dv/dt = m d2x/dt2 ...
Time-dependent density equation and perturbation th
... approximations which were valid essentially up to second-order in electron correlations. As clearly understood from the argument based on Fig. 1, these decoupling formulas constitute the (approximate) N -representability conditions. In this formalism, Valdemoro's approximation is shown to be valid u ...
... approximations which were valid essentially up to second-order in electron correlations. As clearly understood from the argument based on Fig. 1, these decoupling formulas constitute the (approximate) N -representability conditions. In this formalism, Valdemoro's approximation is shown to be valid u ...
Probability Current and Current Operators in Quantum Mechanics 1
... From the continuity equation, this can be connected to the current we are looking for, by ~ ·j=e ...
... From the continuity equation, this can be connected to the current we are looking for, by ~ ·j=e ...
Spontaneous Formation of Magnetic Moments and Dephasing in Two-Dimensional Disordered Systems
... dots [6] by the addition of constant e2 /h, which sets the high temperature limit to e2 /h, and by the fixing of the prefactor of f (T /Tk ) to 1/2. Another feature of the Kondo regime (T < Tk ) in quantum dots is that the zero bias peak is split by 2g ∗ µB B with an in-plane magnetic field when g ...
... dots [6] by the addition of constant e2 /h, which sets the high temperature limit to e2 /h, and by the fixing of the prefactor of f (T /Tk ) to 1/2. Another feature of the Kondo regime (T < Tk ) in quantum dots is that the zero bias peak is split by 2g ∗ µB B with an in-plane magnetic field when g ...
Analytical approach to the helium
... on the one hand, screen the nuclear charge and, on the other hand, produce a change in the centrifugal potential term that appears in the radial part of the one-electron Schrödinger equation. The interelectronic interaction is repulsive. Therefore, mechanistically, one may think of this repulsion r ...
... on the one hand, screen the nuclear charge and, on the other hand, produce a change in the centrifugal potential term that appears in the radial part of the one-electron Schrödinger equation. The interelectronic interaction is repulsive. Therefore, mechanistically, one may think of this repulsion r ...
Short-pulse space-charge-limited electron flows
... same over-injection method27 in a planar drift space with a gap separation much smaller than the electrode size 共1D model兲. A finite pulse p of current density J is injected into the gap, and the value of J is increased until the formation of a virtual cathode, which will cause the reflection of e ...
... same over-injection method27 in a planar drift space with a gap separation much smaller than the electrode size 共1D model兲. A finite pulse p of current density J is injected into the gap, and the value of J is increased until the formation of a virtual cathode, which will cause the reflection of e ...
Electron spectroscopy of atoms and molecules using synchrotron
... (i.e. one electron atom or ions of general atomic number Z). The SE form for many-electron atoms is too complicated to be solved exactly and a number of approximations are necessary on the path to finding a solution. In first approximation, H3 can be separated into two parts, one of which is spherical ...
... (i.e. one electron atom or ions of general atomic number Z). The SE form for many-electron atoms is too complicated to be solved exactly and a number of approximations are necessary on the path to finding a solution. In first approximation, H3 can be separated into two parts, one of which is spherical ...