The initialization and manipulation of quantum information
... time taken for the electron spins to polarize, and can be thought of as the timescale for storing classical information, in contrast to the quantum information storage time, T2 . As expected, T1 is dominated by phonons, but most of these have energies that are much larger than the energy gap between ...
... time taken for the electron spins to polarize, and can be thought of as the timescale for storing classical information, in contrast to the quantum information storage time, T2 . As expected, T1 is dominated by phonons, but most of these have energies that are much larger than the energy gap between ...
Equilibrium concentration of point defects in crystalline
... total energy is "unreasonably high ''t ~o~unless the wave function is combined with, e.g., single-particle wave functions which localize the atoms at the lattice sites. Hansen and Pollock speculate that this is related to the fact t~~ that the vibrational amplitude at melting, as measured by the Lin ...
... total energy is "unreasonably high ''t ~o~unless the wave function is combined with, e.g., single-particle wave functions which localize the atoms at the lattice sites. Hansen and Pollock speculate that this is related to the fact t~~ that the vibrational amplitude at melting, as measured by the Lin ...
Spin transport through nanostructures B. K ,
... where vF is the Fermi velocity. The parameters gv parameterise the electronic interactions, g ρ−2 being essentially the spatial average of the interaction potential. Here we neglect the exchange interaction, assuming a SU(2) spin invariance, such that gσ =1. For a noninteracting system gσ = 1, while ...
... where vF is the Fermi velocity. The parameters gv parameterise the electronic interactions, g ρ−2 being essentially the spatial average of the interaction potential. Here we neglect the exchange interaction, assuming a SU(2) spin invariance, such that gσ =1. For a noninteracting system gσ = 1, while ...
Dissipative Preparation of Spin Squeezed Atomic Ensembles in a Steady States
... predicting a phase sensitivity =SQL 0:07, i.e., an improvement of more than 1 order of magnitude with respect to the SQL. We now discuss two additional effects related to the experimental realization of the proposed model. First, in a multilevel atom (such as the suggested 87 Rb), the spontane ...
... predicting a phase sensitivity =SQL 0:07, i.e., an improvement of more than 1 order of magnitude with respect to the SQL. We now discuss two additional effects related to the experimental realization of the proposed model. First, in a multilevel atom (such as the suggested 87 Rb), the spontane ...
helium thermodynamics, analytical model
... Helium is the second most ubiquitous element in the universe, it is detected in great abundance in stars and considered as an important constituent of giant planets and interstellar gas. Helium thermodynamics is obviously an attractive research topic to garner special attention in astrophysics, it s ...
... Helium is the second most ubiquitous element in the universe, it is detected in great abundance in stars and considered as an important constituent of giant planets and interstellar gas. Helium thermodynamics is obviously an attractive research topic to garner special attention in astrophysics, it s ...
p-shell hybridization and Hund`s-rule mitigation
... be both known and controlled. This is also a natural prerequisite for controlling the coherent time evolution of a nanoscopic quantum system. In the present work, we study the specifics of particular quantum dots [1] defined electrostatically within a two-dimensional electron system (lateral quantum ...
... be both known and controlled. This is also a natural prerequisite for controlling the coherent time evolution of a nanoscopic quantum system. In the present work, we study the specifics of particular quantum dots [1] defined electrostatically within a two-dimensional electron system (lateral quantum ...
Noise Robustness of the Nonlocality of Entangled Quantum States
... is local. This last result implies, in particular, the existence of entangled states whose nonlocal correlations are more robust than those of maximally entangled ones. The results presented here concern mostly the simpler but physically relevant case in which Alice and Bob are restricted to project ...
... is local. This last result implies, in particular, the existence of entangled states whose nonlocal correlations are more robust than those of maximally entangled ones. The results presented here concern mostly the simpler but physically relevant case in which Alice and Bob are restricted to project ...
Paper
... two separate Raman beams for laser-assisted tunneling (or they can share one beam). This implies that the synthetic magnetic field can now be chosen to be the same, to be opposite, or to be different for the two spin states. One option is to have zero synthetic magnetic field for one of the states. ...
... two separate Raman beams for laser-assisted tunneling (or they can share one beam). This implies that the synthetic magnetic field can now be chosen to be the same, to be opposite, or to be different for the two spin states. One option is to have zero synthetic magnetic field for one of the states. ...
Quantum optimal control theory applied to transitions in
... A few spectroscopic parameters are needed. These are the hyperfine parameters (a,b,c, and d), the -doubling parameters (p and q), and the spin-orbit interaction constant A. Numerical values for these parameters have been obtained from Beaudet and Poynter [28] for the electronic ground state (X2 ) ...
... A few spectroscopic parameters are needed. These are the hyperfine parameters (a,b,c, and d), the -doubling parameters (p and q), and the spin-orbit interaction constant A. Numerical values for these parameters have been obtained from Beaudet and Poynter [28] for the electronic ground state (X2 ) ...
THERMAL FLUCTUATIONS IN HEAVY
... the PM one. Later it breaks up into two very different parts: one that retains a more or less compact shape while slowly moving inwards, and which may be associated to the fusion process, and another that scatters away under the influence of the Coulomb potential, and which should therefore be consi ...
... the PM one. Later it breaks up into two very different parts: one that retains a more or less compact shape while slowly moving inwards, and which may be associated to the fusion process, and another that scatters away under the influence of the Coulomb potential, and which should therefore be consi ...
Melting behavior and different bound states in three
... as a thermodynamic phase, distinct from the triplex and the denatured state. This mixed phase, alluded to at the beginning, is a bound state where, in any stretch of length, one strand remains unbound with two others paired; it should share a boundary with the denatured DNA on the high temperature s ...
... as a thermodynamic phase, distinct from the triplex and the denatured state. This mixed phase, alluded to at the beginning, is a bound state where, in any stretch of length, one strand remains unbound with two others paired; it should share a boundary with the denatured DNA on the high temperature s ...
Comparisons between classical and quantum mechanical
... to very deep ones with sites practically isolated from each other. The potential depth can on top of it all also be changed in real time, making it possible to study phase transitions in detail [52]. Deeper potentials will also lead to a larger confinement (and therefore higher density) within the l ...
... to very deep ones with sites practically isolated from each other. The potential depth can on top of it all also be changed in real time, making it possible to study phase transitions in detail [52]. Deeper potentials will also lead to a larger confinement (and therefore higher density) within the l ...
Lamb shift in radical-ion pairs produces a singlet
... describe a single occupation of just one of the reservoir states. That is, when the acceptor electron is transferred back to the donor, just one among the quasi-continuous manifold of reservoir states is occupied, and hence this notation is useful to account for this process. This will be evident in ...
... describe a single occupation of just one of the reservoir states. That is, when the acceptor electron is transferred back to the donor, just one among the quasi-continuous manifold of reservoir states is occupied, and hence this notation is useful to account for this process. This will be evident in ...
1 Introduction to quantum mechanics
... considering the wavefunctions which describe electrons in atoms (atomic orbitals) or molecules (molecular orbitals). One often used interpretation of such electronic wavefunctions is to say that the square of the wavefunction gives the probability of finding the electron at that point. Wavefunctions ...
... considering the wavefunctions which describe electrons in atoms (atomic orbitals) or molecules (molecular orbitals). One often used interpretation of such electronic wavefunctions is to say that the square of the wavefunction gives the probability of finding the electron at that point. Wavefunctions ...
letter
... turns out that this is a vector quantity which points in a direction perpendicular to the plane of the rotation. The x-, y- and z-components of this vector can be specified, and these are the angular momenta in the x-, y- and z-directions. In quantum mechanics, there are operators which represent th ...
... turns out that this is a vector quantity which points in a direction perpendicular to the plane of the rotation. The x-, y- and z-components of this vector can be specified, and these are the angular momenta in the x-, y- and z-directions. In quantum mechanics, there are operators which represent th ...
Subnanometre resolution in three-dimensional magnetic resonance
... the point-spread function (PSF) for dark-spin imaging (Supplementary Fig. 5). Because dark spins are spatially offset from the NV location and/or distributed over a non-zero volume, the observed dark-spin signal as a function of magnetic tip position is offset and/or broadened from the measured PSF, ...
... the point-spread function (PSF) for dark-spin imaging (Supplementary Fig. 5). Because dark spins are spatially offset from the NV location and/or distributed over a non-zero volume, the observed dark-spin signal as a function of magnetic tip position is offset and/or broadened from the measured PSF, ...
Temperature effects on quantum interference in
... A number of recent experiments have demonstrated the importance of destructive quantum interference (QI) effects in different molecular junctions leading to very low conductances when compared to analogous junctions without QI effects [1–6]. These experiments, which are all conducted at room tempera ...
... A number of recent experiments have demonstrated the importance of destructive quantum interference (QI) effects in different molecular junctions leading to very low conductances when compared to analogous junctions without QI effects [1–6]. These experiments, which are all conducted at room tempera ...
A summary on Solitons in Quantum field theory
... space-time and physical phenomena. It is very important to deepen our understanding of these kind of solutions because they might be useful in the discovery of new physical phenomena. The study of one (1+1)-dimensional solitons can be thought of as a laboration where a much easier analysis of the pr ...
... space-time and physical phenomena. It is very important to deepen our understanding of these kind of solutions because they might be useful in the discovery of new physical phenomena. The study of one (1+1)-dimensional solitons can be thought of as a laboration where a much easier analysis of the pr ...