Single Band Effective Mass Equation and Envolvent
... Abstract The single-band effective mass Schrödinger equation to calculate the envelope functions is described and its grounds are shown. These envelope functions are used to multiply periodic part of the Bloch functions to obtain approximate eigenfunctions of the Hamiltonian of a nanostructured semi ...
... Abstract The single-band effective mass Schrödinger equation to calculate the envelope functions is described and its grounds are shown. These envelope functions are used to multiply periodic part of the Bloch functions to obtain approximate eigenfunctions of the Hamiltonian of a nanostructured semi ...
Elements of QFT in Curved Space-Time
... leads to the problem with unitarity, at least at the tree level. In the present case gravity is external and unitarity of the gravitational S-matrix does not matter. The consistency criterium includes: physically reasonable solutions and their stability under small perturbations. ...
... leads to the problem with unitarity, at least at the tree level. In the present case gravity is external and unitarity of the gravitational S-matrix does not matter. The consistency criterium includes: physically reasonable solutions and their stability under small perturbations. ...
QUANTUM FIELD THEORY AND TOPOLOGY Contents 1
... Notice that we can now completely solve for x1 , hence also x2 , and thereby determine the motion of the system (given some initial values for position and velocity, of course). But look what happened here. First of all, it was clear from the beginning that there was really only one independent unkn ...
... Notice that we can now completely solve for x1 , hence also x2 , and thereby determine the motion of the system (given some initial values for position and velocity, of course). But look what happened here. First of all, it was clear from the beginning that there was really only one independent unkn ...
On Participatory Realism
... (and therefore to be rejected). A basic conceptual distinction, which is a necessary prerequisite of scientific and pre-scientific thinking, is the distinction between “senseimpressions” (and the recollection of such) on the one hand and mere ideas on the other. There is no such thing as a conceptua ...
... (and therefore to be rejected). A basic conceptual distinction, which is a necessary prerequisite of scientific and pre-scientific thinking, is the distinction between “senseimpressions” (and the recollection of such) on the one hand and mere ideas on the other. There is no such thing as a conceptua ...
Whole-Parts Strategies in Quantum Chemistry: Some Philosophical
... In the late 1920s, the aim of many researchers was to create a molecular model which accounts for the various empirical facts of spectroscopy and chemistry. Among them, Mulliken was primarily concerned with the assignment of quantum numbers to electrons in molecules. He carefully studied the various ...
... In the late 1920s, the aim of many researchers was to create a molecular model which accounts for the various empirical facts of spectroscopy and chemistry. Among them, Mulliken was primarily concerned with the assignment of quantum numbers to electrons in molecules. He carefully studied the various ...
Abstract book - Nonequilibrim Phenomena in Quantum Systems
... Ultrafast photo-induced electron dynamics in strongly correlated electron systems have significantly attracted much attention, since a number of time-resolved experimental techniques and theoretical calculation methods for non-equilibrium states are rapidly developed in the last decade. In particula ...
... Ultrafast photo-induced electron dynamics in strongly correlated electron systems have significantly attracted much attention, since a number of time-resolved experimental techniques and theoretical calculation methods for non-equilibrium states are rapidly developed in the last decade. In particula ...
Photoemission studies of quantum well states in thin films
... high, and spectroscopic studies can yield results very similar to the truly con®ned case. These partially con®ned states are often referred to as quantum well resonances. A gap is effective for electron con®nement if the overlayer and substrate are lattice matched or have a commensurate epitaxial re ...
... high, and spectroscopic studies can yield results very similar to the truly con®ned case. These partially con®ned states are often referred to as quantum well resonances. A gap is effective for electron con®nement if the overlayer and substrate are lattice matched or have a commensurate epitaxial re ...
Andersen_03
... Yet, we were not to believe that 'that was the end of that' electromagnetically speaking. Instead, we read that the aether itself -- pure spacetime -- was now the thing being rhythmically "stressed" by the invisible scalar wave. And that this stress represented a structure or "patterning in spacetim ...
... Yet, we were not to believe that 'that was the end of that' electromagnetically speaking. Instead, we read that the aether itself -- pure spacetime -- was now the thing being rhythmically "stressed" by the invisible scalar wave. And that this stress represented a structure or "patterning in spacetim ...
W. Ketterle
... of many long-standing goals: (1) to cool neutral atoms into the ground state of the system, thus exerting ultimate control over the motion and position of atoms limited only by Heisenberg’s uncertainty relation; (2) to generate a coherent sample of atoms all occupying the same quantum state (this wa ...
... of many long-standing goals: (1) to cool neutral atoms into the ground state of the system, thus exerting ultimate control over the motion and position of atoms limited only by Heisenberg’s uncertainty relation; (2) to generate a coherent sample of atoms all occupying the same quantum state (this wa ...
Atomic Quantum Metrology with Narrowband Entangled and Squeezed States of Light DISSERTATION
... per second N is measured, the intrinsic error or quantum noise will be N . Photons in a laser beam and rain drops follow the same behavior as they are both governed by the statistics of random √ independent events: the Poisson distribution. The N -limit is generally called shot-noise limit and in qu ...
... per second N is measured, the intrinsic error or quantum noise will be N . Photons in a laser beam and rain drops follow the same behavior as they are both governed by the statistics of random √ independent events: the Poisson distribution. The N -limit is generally called shot-noise limit and in qu ...
Many Worlds? An Introduction - General Guide To Personal and
... microscopic system itself, but our knowledge of it, or the information we have available of it (perhaps ‘ideal’ or ‘maximal’ knowledge or information). No wonder modelling the apparatus in the wavefunction is no solution: that only shifts the problem further back, ultimately to ‘the observer’ and to ...
... microscopic system itself, but our knowledge of it, or the information we have available of it (perhaps ‘ideal’ or ‘maximal’ knowledge or information). No wonder modelling the apparatus in the wavefunction is no solution: that only shifts the problem further back, ultimately to ‘the observer’ and to ...
Elastica-like waves - ResearchSpace@Auckland
... the complex seaquake phenomena on the free surface of water are not quite clear; but it appears that these phenomena resemble the Faraday effect (vertically –induced parametric resonance) [15, 16]. Resonance is a classical problem of great practical import. This phenomenon is usually associated with ...
... the complex seaquake phenomena on the free surface of water are not quite clear; but it appears that these phenomena resemble the Faraday effect (vertically –induced parametric resonance) [15, 16]. Resonance is a classical problem of great practical import. This phenomenon is usually associated with ...
On the Stability of Classical Orbits of the Hydrogen Ground State in
... 2 h̄ω, where Planck’s constant is a constant of nature characterising the energy stored in these modes. The task is then to show that SED explains all quantum behaviour of matter at the statistical level. This has been argued to occur on general grounds [1,2]. SED is not ruled out by Bell’s theorem, ...
... 2 h̄ω, where Planck’s constant is a constant of nature characterising the energy stored in these modes. The task is then to show that SED explains all quantum behaviour of matter at the statistical level. This has been argued to occur on general grounds [1,2]. SED is not ruled out by Bell’s theorem, ...
What is quantum unique ergodicity?
... of Examples 1.2 and 1.3) is ergodic, then the corresponding quantum system is QE. In particular, Examples 1.5 and 1.6 are QE. So what about QUE? Is there a correspondingly close relationship between classical and quantum unique ergodicity? In fact, heuristically one does not expect such a close rela ...
... of Examples 1.2 and 1.3) is ergodic, then the corresponding quantum system is QE. In particular, Examples 1.5 and 1.6 are QE. So what about QUE? Is there a correspondingly close relationship between classical and quantum unique ergodicity? In fact, heuristically one does not expect such a close rela ...
Non-equilibrium Quantum Field Theory and - Gr@v
... intrinsically related to the strength of the dissipative effects. This is generically known as the fluctuation-dissipation theorem, which takes a simple form in the adiabatic and quasi-equilibrium conditions given above but also extends to more general non-equilibrium scenarios. Although these condi ...
... intrinsically related to the strength of the dissipative effects. This is generically known as the fluctuation-dissipation theorem, which takes a simple form in the adiabatic and quasi-equilibrium conditions given above but also extends to more general non-equilibrium scenarios. Although these condi ...
A Brief Review on Quantum Bit Commitment
... using current technology. Quantum non-demolition (QND) measurements are under study basically since the foundation of quantum theory [5]. If Alice was able to perform a non-demolition measurement, she would be able to detect the presence of a photon without destroying it or affecting its polarizatio ...
... using current technology. Quantum non-demolition (QND) measurements are under study basically since the foundation of quantum theory [5]. If Alice was able to perform a non-demolition measurement, she would be able to detect the presence of a photon without destroying it or affecting its polarizatio ...
An Introduction to Theoretical Chemistry - Beck-Shop
... qualitative basis for much of atomic and molecular orbital theory. As discussed in detail in the Background Material, these orbitals are labeled by n, l, and m quantum numbers for the bound states and by l and m quantum numbers and the energy E for the continuum states. Much as the particle-in-a-box ...
... qualitative basis for much of atomic and molecular orbital theory. As discussed in detail in the Background Material, these orbitals are labeled by n, l, and m quantum numbers for the bound states and by l and m quantum numbers and the energy E for the continuum states. Much as the particle-in-a-box ...
Density of States
... this as an exercise, noting that the only difference is a factor of two that accounts for spin degeneracy. In this section, we will demonstrate two common strategies, since one usually sees one or the other but not both. Either method leads to the same result. However, one may be conceptually easier ...
... this as an exercise, noting that the only difference is a factor of two that accounts for spin degeneracy. In this section, we will demonstrate two common strategies, since one usually sees one or the other but not both. Either method leads to the same result. However, one may be conceptually easier ...
Philosophy of Mind and the Problem of Free Will
... science, namely quantum mechanics. The principled quantum uncertainties entering at the microscopic levels of brain processing cannot be confined to the micro level, but percolate up to the macroscopic regime. To cope with the conflict between the resulting macroscopic indefiniteness and the definit ...
... science, namely quantum mechanics. The principled quantum uncertainties entering at the microscopic levels of brain processing cannot be confined to the micro level, but percolate up to the macroscopic regime. To cope with the conflict between the resulting macroscopic indefiniteness and the definit ...
Sharp Tunneling Peaks in a Parametric Oscillator: Quantum Resonances Missing
... part of the phase, and disregards the effect of fast oscillating terms on their evolution. An important quantum effect in modulated systems is dynamical tunneling [5]. It can be understood for a parametric oscillator, which is excited by modulation at frequency !F close to 2!0 . Classically, a weakl ...
... part of the phase, and disregards the effect of fast oscillating terms on their evolution. An important quantum effect in modulated systems is dynamical tunneling [5]. It can be understood for a parametric oscillator, which is excited by modulation at frequency !F close to 2!0 . Classically, a weakl ...