Three attractively interacting fermions in a harmonic trap: Exact
... on an otherwise noninteracting quantum gas. Thus, we have an unusual situation where quantum mechanics actually simplifies an intractable classical problem. For Bose-Einstein condensates (BEC) in the strongly interacting regime, three trapped bosonic atoms with large s-wave scattering length were al ...
... on an otherwise noninteracting quantum gas. Thus, we have an unusual situation where quantum mechanics actually simplifies an intractable classical problem. For Bose-Einstein condensates (BEC) in the strongly interacting regime, three trapped bosonic atoms with large s-wave scattering length were al ...
From a few to many electrons in quantum dots under strong
... Due to the growing interest in solid-state nanostructures, driven by basic research and potential technological considerations, two-dimensional 共2D兲 N-electron semiconductor quantum dots 共QDs兲 in field-free conditions and under applied magnetic fields 共B兲 have been extensively studied in the last fe ...
... Due to the growing interest in solid-state nanostructures, driven by basic research and potential technological considerations, two-dimensional 共2D兲 N-electron semiconductor quantum dots 共QDs兲 in field-free conditions and under applied magnetic fields 共B兲 have been extensively studied in the last fe ...
Black hole fireworks: quantum-gravity effects outside the horizon
... Let us discuss the physics of this bouncing time τR in detail, since it is crucial for the following. From the point of view of the observer at the (finite) radius R, there is a shell incoming at some time and then a shell coming out an enormous amount of time later. How so? The simple interpretatio ...
... Let us discuss the physics of this bouncing time τR in detail, since it is crucial for the following. From the point of view of the observer at the (finite) radius R, there is a shell incoming at some time and then a shell coming out an enormous amount of time later. How so? The simple interpretatio ...
Two-Dimensional Mott-Hubbard Electrons in an Artificial
... a gallium arsenide (GaAs) heterostructure that hosts a high-quality two-dimensional electron gas (2DEG) (11–13). Similar nanostructures have been studied in the past in the context of the Hofstadter’s fractal energy spectrum (14, 15). We probed the electron excitation spectrum by inelastic light-sca ...
... a gallium arsenide (GaAs) heterostructure that hosts a high-quality two-dimensional electron gas (2DEG) (11–13). Similar nanostructures have been studied in the past in the context of the Hofstadter’s fractal energy spectrum (14, 15). We probed the electron excitation spectrum by inelastic light-sca ...
FEYNMANWS PATH INTEGRAL APPROACH TO QUANTUM FIELD
... that determines how the wave function develops in time and space (it’s often written as K(x00 ; t00 ; x0 ; t0 ); which to me detracts from the Dirac notation we’ve been using). It can (and should) be viewed as the probability amplitude for a particle located originally at x0 ; t0 to be found at x00 ...
... that determines how the wave function develops in time and space (it’s often written as K(x00 ; t00 ; x0 ; t0 ); which to me detracts from the Dirac notation we’ve been using). It can (and should) be viewed as the probability amplitude for a particle located originally at x0 ; t0 to be found at x00 ...
Quantum Physics and the Holy Grail BRIAN JOHN PICCOLO
... the door on physics, believing that all the mechanical laws of the universe were now known and that there was little, or nothing, beyond what Sir Isaac Newton and others had prescribed. Matter was considered co-eternal with the universe itself, and there was no creation or beginning to the universe. ...
... the door on physics, believing that all the mechanical laws of the universe were now known and that there was little, or nothing, beyond what Sir Isaac Newton and others had prescribed. Matter was considered co-eternal with the universe itself, and there was no creation or beginning to the universe. ...
Gap Evolution in \nu=1/2 Bilayer Quantum Hall Systems
... is more subtle,11) since such a system possesses the duality of a bilayer and a thick single-layer system. In fact, both one-component14) and two-component15) theoretical models have been proposed. To determine the nature of the ground state in WSQW experimentally, Suen et al. measured activation en ...
... is more subtle,11) since such a system possesses the duality of a bilayer and a thick single-layer system. In fact, both one-component14) and two-component15) theoretical models have been proposed. To determine the nature of the ground state in WSQW experimentally, Suen et al. measured activation en ...
Development of semi-classical and quantum tools for the
... Electronics surrounds many aspects of our everyday life. The progress of our actual society is somehow ultimately linked to the progress of electronics. Such progress demands smaller and faster devices. Therefore, the simulations tools needed to be able, to understand the behavior of emerging electr ...
... Electronics surrounds many aspects of our everyday life. The progress of our actual society is somehow ultimately linked to the progress of electronics. Such progress demands smaller and faster devices. Therefore, the simulations tools needed to be able, to understand the behavior of emerging electr ...
ABSTRACT PHOTON PAIR PRODUCTION FROM A HOT ATOMIC ENSEMBLE IN THE DIAMOND CONFIGURATION
... mechanically correlated photon pair source. The generation medium used here is a laser pumped vapor cell of warm rubidium. The scheme takes advantage of a spontaneous four wave-mixing (4WM) interaction in the atoms to create photon pairs that are correlated in direction, frequency, polarization, and ...
... mechanically correlated photon pair source. The generation medium used here is a laser pumped vapor cell of warm rubidium. The scheme takes advantage of a spontaneous four wave-mixing (4WM) interaction in the atoms to create photon pairs that are correlated in direction, frequency, polarization, and ...
from High Energy Physics to Cosmology
... Question: what happens with infinite # of types of classical fields? ...
... Question: what happens with infinite # of types of classical fields? ...
Bose-Einstein condensates with balanced gain and loss
... of the condensate’s purity is observed where the purity drops to small values but afterwards is nearly completely restored. These oscillations were found to be in phase with the oscillations of the total particle number. Such a collapse and revival of a condensate has already been observed in an opt ...
... of the condensate’s purity is observed where the purity drops to small values but afterwards is nearly completely restored. These oscillations were found to be in phase with the oscillations of the total particle number. Such a collapse and revival of a condensate has already been observed in an opt ...
Theoretical modeling of x-ray and vibrational spectroscopies applied to liquid
... A spectroscopic measurement is one of the most fundamental methods to probe matter. By measuring the interaction of the system of study with light or particles as a function of energy a lot of information can be gained about, for example, the positions of the atoms, the electronic structure, or how ...
... A spectroscopic measurement is one of the most fundamental methods to probe matter. By measuring the interaction of the system of study with light or particles as a function of energy a lot of information can be gained about, for example, the positions of the atoms, the electronic structure, or how ...
`universal` phase for electron transmission in quantum dots
... evolution over a wide range of electron occupation. We present in Figs 4–6 examples of phase and amplitude of the coherent part of the transmission coefficient for an increasing electron number in the quantum dot. We did not subtract any extraneous phase that may be induced in the arms of the interf ...
... evolution over a wide range of electron occupation. We present in Figs 4–6 examples of phase and amplitude of the coherent part of the transmission coefficient for an increasing electron number in the quantum dot. We did not subtract any extraneous phase that may be induced in the arms of the interf ...
Get PDF - OSA Publishing
... for the case of K = k0 , R is not zero, but unity. This is because for this particular choice, the denominator of R is also zero. Therefore, one can not determine R only from the numerator. The limit of R at k = k0 is identified to be unity by applying the L’Hopital’s rule. One could interpret this ...
... for the case of K = k0 , R is not zero, but unity. This is because for this particular choice, the denominator of R is also zero. Therefore, one can not determine R only from the numerator. The limit of R at k = k0 is identified to be unity by applying the L’Hopital’s rule. One could interpret this ...
Quantum control of a Landau-quantized two
... through the optical Bloch equations.26,27 We applied this theoretical framework to the response of the many-electron 2DEG simply by treating the system as a collection of independent two-level systems (i.e., neglecting electronelectron interactions).21 The right graphs in Fig. 2(b) show the time evo ...
... through the optical Bloch equations.26,27 We applied this theoretical framework to the response of the many-electron 2DEG simply by treating the system as a collection of independent two-level systems (i.e., neglecting electronelectron interactions).21 The right graphs in Fig. 2(b) show the time evo ...
Document
... to generalize the quantum theory on the basis of evidence existing in the newly discovered photoelectric effect. In the photoelectric effect, Einstein pointed out, one quantum of ultraviolet light brings about the ejection of one electron from a radiated surface (due to the phenom- enon of resonance ...
... to generalize the quantum theory on the basis of evidence existing in the newly discovered photoelectric effect. In the photoelectric effect, Einstein pointed out, one quantum of ultraviolet light brings about the ejection of one electron from a radiated surface (due to the phenom- enon of resonance ...
KALASALINGAM UNIVERSITY
... 12b (i) Show that the packing factor of HCP and FCC are equal 12b (ii) What are Miller indices? Give their significance ...
... 12b (i) Show that the packing factor of HCP and FCC are equal 12b (ii) What are Miller indices? Give their significance ...
Electronic Structure of Clusters and Nanocrystals
... In this latter example, one can make some simple arguments to explain this behavior. Suppose we consider the scaling of the free energy for a spherical sample of matter whose radius is R. The volume energy term would scale as R3 ; the surface term as R2 . As R tends towards the nanoscale, the surfac ...
... In this latter example, one can make some simple arguments to explain this behavior. Suppose we consider the scaling of the free energy for a spherical sample of matter whose radius is R. The volume energy term would scale as R3 ; the surface term as R2 . As R tends towards the nanoscale, the surfac ...
and physics - Hal-SHS
... through the concepts of mechanics underwent with the introduction of an alien entity such as the field concept - which it was by then, and it was, indeed, a “physical entity” -, results from an evolution that goes through Maxwell’s electromagnetic theory to Einstein’s relativity: special relativity, ...
... through the concepts of mechanics underwent with the introduction of an alien entity such as the field concept - which it was by then, and it was, indeed, a “physical entity” -, results from an evolution that goes through Maxwell’s electromagnetic theory to Einstein’s relativity: special relativity, ...
Coherent control of macroscopic quantum states in a single
... depends on Dt. Here, the rise and fall times of the pulse must be short compared to the coherent oscillation time h/EJ, otherwise the state just follows the ground-state energy band adiabatically. The probe junction was voltage-biased with an appropriate voltage Vb so that |2i decays to |0i with two ...
... depends on Dt. Here, the rise and fall times of the pulse must be short compared to the coherent oscillation time h/EJ, otherwise the state just follows the ground-state energy band adiabatically. The probe junction was voltage-biased with an appropriate voltage Vb so that |2i decays to |0i with two ...
Scattering model for quantum random walk on the hypercube
... walks. In this scheme, we have an array of multiports (see e.g. [16] and references therein), interconnected with optical paths. A photon is launched into one path and is transformed by the action of the multiports. This action can be described as a scattering process, therefore, we will refer to th ...
... walks. In this scheme, we have an array of multiports (see e.g. [16] and references therein), interconnected with optical paths. A photon is launched into one path and is transformed by the action of the multiports. This action can be described as a scattering process, therefore, we will refer to th ...
Supersonic flow of a Bose-Einstein condensate past an
... A negative drag can be interpreted as a force in the upwind direction, meaning propels the laser. The question of the energy balance can be explained from the oscillating laser. As it attracts and repels the condensate it pumps energy to the system that causes an upwind force to supersede the downwi ...
... A negative drag can be interpreted as a force in the upwind direction, meaning propels the laser. The question of the energy balance can be explained from the oscillating laser. As it attracts and repels the condensate it pumps energy to the system that causes an upwind force to supersede the downwi ...