A theoretical study of the electronic structure of transition
... tremendous accumulation of experimental facts about, and com parisons among, compounds of transition elements impels effort in a theoretical direction. The work to be described in the thesis is such an effort. The main intent has been to try to construct a reasonably quantitative treatment of tlie ...
... tremendous accumulation of experimental facts about, and com parisons among, compounds of transition elements impels effort in a theoretical direction. The work to be described in the thesis is such an effort. The main intent has been to try to construct a reasonably quantitative treatment of tlie ...
Aspects of the Quantum Hall Effect
... one edge to the other, thereby making it possible to do work against a potential gradient in a direction transverse to the electric current induced by the changing flux. This gives rise to a Hall conductance quantized at integer values. These arguments hold quite generally – immune to details of the ...
... one edge to the other, thereby making it possible to do work against a potential gradient in a direction transverse to the electric current induced by the changing flux. This gives rise to a Hall conductance quantized at integer values. These arguments hold quite generally – immune to details of the ...
hep-th/9303127 PDF
... to a non-renormalizable quantum theory, with violations of unitarity at Planckian energies. Secondly, the Einstein equations (the evolution equations for the metric) are derived from an action principle, but the Einstein-Hilbert action is unbounded from below, and a naive path integral formulation o ...
... to a non-renormalizable quantum theory, with violations of unitarity at Planckian energies. Secondly, the Einstein equations (the evolution equations for the metric) are derived from an action principle, but the Einstein-Hilbert action is unbounded from below, and a naive path integral formulation o ...
Lecture 6, Parity and Charge Conjugation
... b) We know (from experiment) that the p is captured by the d in an s-wave state. Thus the total angular momentum of the initial state is just that of the d (J=1). c) The isospin of the nn system is 1 since d is an isosinglet and the p- has I=|1,-1> note: a |1,-1> is symmetric under the interchange o ...
... b) We know (from experiment) that the p is captured by the d in an s-wave state. Thus the total angular momentum of the initial state is just that of the d (J=1). c) The isospin of the nn system is 1 since d is an isosinglet and the p- has I=|1,-1> note: a |1,-1> is symmetric under the interchange o ...
Bound states in inhomogeneous magnetic field in graphene
... studies of bilayer graphene11,27 have shown that an electrondensity-dependent gap can exist between the otherwise degenerate valence and conductance bands 共described by H−2 and H+2 , respectively, in our semiclassical formalism兲. Assuming that the gap is spatially constant, one can take it into acco ...
... studies of bilayer graphene11,27 have shown that an electrondensity-dependent gap can exist between the otherwise degenerate valence and conductance bands 共described by H−2 and H+2 , respectively, in our semiclassical formalism兲. Assuming that the gap is spatially constant, one can take it into acco ...
Investigation of excitation energies and Hund`s rule in open shell
... 3.1 Ground state results and Hund’s first rules In Table 1 we show ground state DMC and VMC energies. The DMC and VMC ground states of both dots have L = 0, S = 2 symmetry. The total spin S is the maximum allowed for four open-shell electrons, complying with Hund’s first rule. For the N = 24 case, i ...
... 3.1 Ground state results and Hund’s first rules In Table 1 we show ground state DMC and VMC energies. The DMC and VMC ground states of both dots have L = 0, S = 2 symmetry. The total spin S is the maximum allowed for four open-shell electrons, complying with Hund’s first rule. For the N = 24 case, i ...
Studies of Highly Polar Atomic and Molecular Systems: Quantum Dynamics Investigations
... grounds to probe this boundary. Another possible system is a weakly bound anioncation pair, known as a heavy Rydberg system, or a heavy Bohr system. These highly polar molecules constitute a large quantum system with bond lengths of approximately 0.5 µm for binding energies from 10 to 20 cm−1 , corr ...
... grounds to probe this boundary. Another possible system is a weakly bound anioncation pair, known as a heavy Rydberg system, or a heavy Bohr system. These highly polar molecules constitute a large quantum system with bond lengths of approximately 0.5 µm for binding energies from 10 to 20 cm−1 , corr ...
PDF
... paradigm shift has occurred: Quan- [x for (C) and p for (D)] at the expense of increased fluctuations in the where xj takes the value 0 or 1 tum mechanics, which used to be other. The Heisenberg relation states that the red areas in the plots depending on whether the jth pho(given by the product DxD ...
... paradigm shift has occurred: Quan- [x for (C) and p for (D)] at the expense of increased fluctuations in the where xj takes the value 0 or 1 tum mechanics, which used to be other. The Heisenberg relation states that the red areas in the plots depending on whether the jth pho(given by the product DxD ...
Quantum_Computing
... properties of the other. If both are measured and they are not existing in coherent superposition, then the experimental results make it look like they are simply two particles, each with their own spin or other property. If the particles do exist in coherent superposition, however, it quickly becom ...
... properties of the other. If both are measured and they are not existing in coherent superposition, then the experimental results make it look like they are simply two particles, each with their own spin or other property. If the particles do exist in coherent superposition, however, it quickly becom ...
Adiabatic Quantum Computation is Equivalent to Standard Quantum Computation Dorit Aharonov
... the transformation is carried out sufficiently slowly, the system tracks the ground state of the time varying Hamiltonian and therefore ends up in the desired ground state of Hfinal . Indeed, if the spectral gap of the time varying Hamiltonian is never too small then the entire process can be carrie ...
... the transformation is carried out sufficiently slowly, the system tracks the ground state of the time varying Hamiltonian and therefore ends up in the desired ground state of Hfinal . Indeed, if the spectral gap of the time varying Hamiltonian is never too small then the entire process can be carrie ...
Renormalization
In quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, renormalization is any of a collection of techniques used to treat infinities arising in calculated quantities.Renormalization specifies relationships between parameters in the theory when the parameters describing large distance scales differ from the parameters describing small distances. Physically, the pileup of contributions from an infinity of scales involved in a problem may then result in infinities. When describing space and time as a continuum, certain statistical and quantum mechanical constructions are ill defined. To define them, this continuum limit, the removal of the ""construction scaffolding"" of lattices at various scales, has to be taken carefully, as detailed below.Renormalization was first developed in quantum electrodynamics (QED) to make sense of infinite integrals in perturbation theory. Initially viewed as a suspect provisional procedure even by some of its originators, renormalization eventually was embraced as an important and self-consistent actual mechanism of scale physics in several fields of physics and mathematics. Today, the point of view has shifted: on the basis of the breakthrough renormalization group insights of Kenneth Wilson, the focus is on variation of physical quantities across contiguous scales, while distant scales are related to each other through ""effective"" descriptions. All scales are linked in a broadly systematic way, and the actual physics pertinent to each is extracted with the suitable specific computational techniques appropriate for each.