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 ...
A Review and Prospects of Quantum Teleportation
... Quantum teleportation is based on the well-known concept of quantum entanglement. The word “entanglement” was used by Erwin Schrödinger in 1935 in a three-part paper [8]-[11]. Einstein, Podolsky and Rosen prompted these papers in their paper [12] that raised fundamental questions about quantum mecha ...
... Quantum teleportation is based on the well-known concept of quantum entanglement. The word “entanglement” was used by Erwin Schrödinger in 1935 in a three-part paper [8]-[11]. Einstein, Podolsky and Rosen prompted these papers in their paper [12] that raised fundamental questions about quantum mecha ...
Bose-Glass Phases of Ultracold Atoms due to Cavity Backaction Hessam Habibian,
... laser-cooled atoms [2–5] to ultracold bosons in the Mottinsulator (MI) phase [6]. In most of these setups, the mechanical effect of the scattered light on the density distribution of the atomic medium is negligible, while photon recoil can give rise to visible effects in the spectrum of the diffract ...
... laser-cooled atoms [2–5] to ultracold bosons in the Mottinsulator (MI) phase [6]. In most of these setups, the mechanical effect of the scattered light on the density distribution of the atomic medium is negligible, while photon recoil can give rise to visible effects in the spectrum of the diffract ...
Dynamics and interference of autoionizing wave packets
... first laser pulse excites the system. By choosing close to the Kepler period, Figs. 2共a兲–2共c兲, we make wave packets of comparable amplitude interfere. Wave packets from the second laser pulse coincide in time and space with the first laser pulse wave packets that have one less closed channel scatt ...
... first laser pulse excites the system. By choosing close to the Kepler period, Figs. 2共a兲–2共c兲, we make wave packets of comparable amplitude interfere. Wave packets from the second laser pulse coincide in time and space with the first laser pulse wave packets that have one less closed channel scatt ...
A Post Processing Method for Quantum Prime Factorization
... calculations on complex variables and the point is that we must have high calculating accuracy. B. In a classic computer the smallest unit for saving data is a bit but at Quantum physics the smallest unit for saving data is a qubit then I have to simulate qubit by a class named Qubit. Qubit variable ...
... calculations on complex variables and the point is that we must have high calculating accuracy. B. In a classic computer the smallest unit for saving data is a bit but at Quantum physics the smallest unit for saving data is a qubit then I have to simulate qubit by a class named Qubit. Qubit variable ...
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... The world is a strange place, but it wasn’t until 1900, when Max Planck was studying the thermal spectrum of light (black body radiation) that we began to understand just how strange it was. Although this represented the formal start of modern quantum mechanics, it is easier to start in 1877, with H ...
... The world is a strange place, but it wasn’t until 1900, when Max Planck was studying the thermal spectrum of light (black body radiation) that we began to understand just how strange it was. Although this represented the formal start of modern quantum mechanics, it is easier to start in 1877, with H ...
Introductory Quantum Chemistry Prof. K. L. Sebastian Department of
... walls and 4 slits. The one that we are looking at earlier had more slits. Actually, this has how many? I think 8 slits and 12 walls. So, what we can do is, imagine you increase the number of walls as well as the number of slits. So, then what is going to happen is, you have the source here; you have ...
... walls and 4 slits. The one that we are looking at earlier had more slits. Actually, this has how many? I think 8 slits and 12 walls. So, what we can do is, imagine you increase the number of walls as well as the number of slits. So, then what is going to happen is, you have the source here; you have ...
electric field effect on the binding energy of a non
... both hydrogenic and non-hydrogenic binding energies of donor impurities are sensitive functions of the QWW radius and, for infinite barrier height, increase as the radius decreases. Recently, Oyoko [30] has studied the effect of Hermanson’s spatial dielectric function on the impurity binding energy ...
... both hydrogenic and non-hydrogenic binding energies of donor impurities are sensitive functions of the QWW radius and, for infinite barrier height, increase as the radius decreases. Recently, Oyoko [30] has studied the effect of Hermanson’s spatial dielectric function on the impurity binding energy ...
Department of Physics, Chemistry and Biology Master’s Thesis Thomas Fransson
... bound electrons, i.e. core electrons, in the molecule. The energies of such electrons are very different for different elements, and we thus have an experimental tool highly specific to different elements and local molecular structures. Surface structure, chemical composition and other aspects may t ...
... bound electrons, i.e. core electrons, in the molecule. The energies of such electrons are very different for different elements, and we thus have an experimental tool highly specific to different elements and local molecular structures. Surface structure, chemical composition and other aspects may t ...
Quantum Behavior of Measurement Apparatus - HAL-ENS
... The measurement apparatus plays an important role not only in quantum physics experiments, by providing information about the measured system, but also in the foundations of quantum theory by leading to the famous measurement problem [1, 2]. This one is in part linked to our ability to prepare the m ...
... The measurement apparatus plays an important role not only in quantum physics experiments, by providing information about the measured system, but also in the foundations of quantum theory by leading to the famous measurement problem [1, 2]. This one is in part linked to our ability to prepare the m ...
Quantum scattering
... potential requires special care.) The hope is that in the limit R → ∞ we will recover the scattering system. But some care is required in implementing this. The smooth Weyl term d̄(E; R) belonging to our box with the enclosed potential V diverges for a spherical 2-dimensional box of radius R quadrat ...
... potential requires special care.) The hope is that in the limit R → ∞ we will recover the scattering system. But some care is required in implementing this. The smooth Weyl term d̄(E; R) belonging to our box with the enclosed potential V diverges for a spherical 2-dimensional box of radius R quadrat ...
Evidence of Bose-Einstein Condensation in an Atomic
... due to the 1.5 MHz uncertainty in the probe detuning. The temperature of the atoms is determined by the spatial size of the absorption image. Because the trap spring constants are asymmetric, the image has an elliptical shape, so a profile of absorption vs radius is obtained by scaling the axes of t ...
... due to the 1.5 MHz uncertainty in the probe detuning. The temperature of the atoms is determined by the spatial size of the absorption image. Because the trap spring constants are asymmetric, the image has an elliptical shape, so a profile of absorption vs radius is obtained by scaling the axes of t ...
Quantum computation of scattering in scalar quantum field theories
... large amount of effort devoted to finding additional quantum algorithms offering exponential speedup. This turns out to be very difficult. At present, only relatively few problems have been discovered admitting exponential quantum speedup [7], including simulating nonrelativistic many-body quantum s ...
... large amount of effort devoted to finding additional quantum algorithms offering exponential speedup. This turns out to be very difficult. At present, only relatively few problems have been discovered admitting exponential quantum speedup [7], including simulating nonrelativistic many-body quantum s ...
quantum effects in biology - Assets
... world which we know as quantum mechanics was first formulated nearly 90 years ago, and its predictions tested in the laboratory, most of the experiments in question were on systems which were both very well characterized and reasonably well isolated from their environments, such as single electrons ...
... world which we know as quantum mechanics was first formulated nearly 90 years ago, and its predictions tested in the laboratory, most of the experiments in question were on systems which were both very well characterized and reasonably well isolated from their environments, such as single electrons ...
Lecture I: Collective Excitations: From Particles to Fields Free Scalar
... We have seen how the elementary excitations of the quantum chain can be presented in terms of new elementary quasi-particles by the ladder operator formalism. Can this approach be generalised to accommodate other many-body systems? The answer is provided by the method of second quantisation — an ess ...
... We have seen how the elementary excitations of the quantum chain can be presented in terms of new elementary quasi-particles by the ladder operator formalism. Can this approach be generalised to accommodate other many-body systems? The answer is provided by the method of second quantisation — an ess ...
Path Integral studies of quantum systems at finite temperatures Sergei Dmitrievich Ivanov
... mechanics, as well as a tool for achieving approximate analytical results. According to Feynman the quantum partition function can be presented as an imaginary time PI, formally equivalent to the configurational integral over closed trajectories, or paths. It is also possible to extend it to a class ...
... mechanics, as well as a tool for achieving approximate analytical results. According to Feynman the quantum partition function can be presented as an imaginary time PI, formally equivalent to the configurational integral over closed trajectories, or paths. It is also possible to extend it to a class ...
Spontaneous symmetry breaking in quantum
... where j labels the N atoms in the lattice, which have mass m, momentum p j, and position x j. We consider here only a onedimensional chain of atoms, but all of the following can be straightforwardly generalized to higher dimensions. The parameter gives the strength of the harmonic potential betwee ...
... where j labels the N atoms in the lattice, which have mass m, momentum p j, and position x j. We consider here only a onedimensional chain of atoms, but all of the following can be straightforwardly generalized to higher dimensions. The parameter gives the strength of the harmonic potential betwee ...