Unitary quantum theory as a formal framework for a
... reality. There are at least three reasons to contemplate doing this. First, unitary quantum theory is both enormously successful and apparently unlimited in its applicability (e.g. Schlosshauer, 2006); increasingly challenging experiments designed to reveal entanglement over macroscopic spatial and ...
... reality. There are at least three reasons to contemplate doing this. First, unitary quantum theory is both enormously successful and apparently unlimited in its applicability (e.g. Schlosshauer, 2006); increasingly challenging experiments designed to reveal entanglement over macroscopic spatial and ...
Fano-Feshbach resonances in two
... an environment, and where resonances with complex energies appear. Other examples of systems which can be described by non-Hermitian operators can be found, e. g., in Ref. [8]. It is well known that resonances show characteristic effects not observable in Hermitian quantum systems. Among these effec ...
... an environment, and where resonances with complex energies appear. Other examples of systems which can be described by non-Hermitian operators can be found, e. g., in Ref. [8]. It is well known that resonances show characteristic effects not observable in Hermitian quantum systems. Among these effec ...
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... quantum multilevel system as long as the Hamiltonian lightmatter interaction term can be described in the rotatingwave approximation. Furthermore, the quantum multilevel system can be either in a cavity or directly coupled to a waveguide. Finally, the eigenstate of the ad hoc Hamiltonian turns out t ...
... quantum multilevel system as long as the Hamiltonian lightmatter interaction term can be described in the rotatingwave approximation. Furthermore, the quantum multilevel system can be either in a cavity or directly coupled to a waveguide. Finally, the eigenstate of the ad hoc Hamiltonian turns out t ...
introductory lecture on quantum computing
... – Measurement also makes X the new state and so interferes with computational processes – X is determined with some probability, implying uncertainty in the result – States cannot be copied (“cloned”), implying that signal fanout is not permitted – Environmental interference can cause a measurement- ...
... – Measurement also makes X the new state and so interferes with computational processes – X is determined with some probability, implying uncertainty in the result – States cannot be copied (“cloned”), implying that signal fanout is not permitted – Environmental interference can cause a measurement- ...
SUPERCONDUCTING QUBITS II: DECOHERENCE F.K. Wilhelm , M.J. Storcz and U. Hartmann
... theorem (Callen and Welton, 1951), a generalization of the Einstein relation in diffusion. In this very successful approach we have characterized the distribution of the observable Q close to thermal equilibrium by its two-point correlation function alone. This is a manifestation of the fact that it ...
... theorem (Callen and Welton, 1951), a generalization of the Einstein relation in diffusion. In this very successful approach we have characterized the distribution of the observable Q close to thermal equilibrium by its two-point correlation function alone. This is a manifestation of the fact that it ...
Full-Text PDF
... than in the thermal equilibrium. This excess energy is found to be channelled into a single mode—exactly as in Bose condensation—provided the energy supply exceeds a critical value. Under these circumstances a random supply of energy is thus not completely thermalized but partly used in maintaining ...
... than in the thermal equilibrium. This excess energy is found to be channelled into a single mode—exactly as in Bose condensation—provided the energy supply exceeds a critical value. Under these circumstances a random supply of energy is thus not completely thermalized but partly used in maintaining ...
PHYS 305 Experiments in Modern Physics Lab. Manual
... The oil drop experiment proved the atomicity of electricity (i.e. that the droplets always carried integer multiples of a charge quantum e), determined the value of e with an estimated error of ±0.2%, provided thereby the key to the accurate determination of the mass of the electron and Avagadro’s n ...
... The oil drop experiment proved the atomicity of electricity (i.e. that the droplets always carried integer multiples of a charge quantum e), determined the value of e with an estimated error of ±0.2%, provided thereby the key to the accurate determination of the mass of the electron and Avagadro’s n ...
nainan k. varghese
... physical reality. Although they help to explain apparent phenomena, all properties attributed to elliptical/circular planetary orbital path are unreal. Real physical actions are restricted to real entities and they have to be understood with reference to an absolute reference. Since, elliptical shap ...
... physical reality. Although they help to explain apparent phenomena, all properties attributed to elliptical/circular planetary orbital path are unreal. Real physical actions are restricted to real entities and they have to be understood with reference to an absolute reference. Since, elliptical shap ...
aps13-bohr - Caltech Particle Theory
... After a few days, Schrödinger fell ill, perhaps as a result of his enormous effort; in any case he was forced to keep to his bed with a feverish cold. While Mrs. Bohr nursed him and brought in tea and cake, Niels Bohr kept sitting on the edge of the bed talking at Schrödinger: “But surely you must a ...
... After a few days, Schrödinger fell ill, perhaps as a result of his enormous effort; in any case he was forced to keep to his bed with a feverish cold. While Mrs. Bohr nursed him and brought in tea and cake, Niels Bohr kept sitting on the edge of the bed talking at Schrödinger: “But surely you must a ...
Functional Form of the Imaginary Part of the Atomic Polarizability
... contributions which need to be separated from the coherent two-photon correction to the decay rate [13]. How can this intuitive picture be applied to the imaginary part of the polarizability? From a quantum theory point of view [1], the initial state/reference state in the calculation of the polariz ...
... contributions which need to be separated from the coherent two-photon correction to the decay rate [13]. How can this intuitive picture be applied to the imaginary part of the polarizability? From a quantum theory point of view [1], the initial state/reference state in the calculation of the polariz ...
Spintronics and Quantum Dots for Quantum Computing and
... a large inhomogeneous broadening due to a strong variation of g-factors [29]. Nevertheless, the fact that many coherent oscillations were observed [29] provides strong experimental support to the idea of using electron spin as qubits. Since none of the experiments have been done on an actual quantum ...
... a large inhomogeneous broadening due to a strong variation of g-factors [29]. Nevertheless, the fact that many coherent oscillations were observed [29] provides strong experimental support to the idea of using electron spin as qubits. Since none of the experiments have been done on an actual quantum ...
Reconstructing the dynamics of a movable mirror in a
... quantum fluctuations, which implies the modelization of the movable mirror in terms of a single quantum harmonic oscillator (or bosonic mode) with frequency ωm , effective mass m and energy decay rate γm . Moreover, we invoke the condition 2ωm L c (c is the speed of light and L the cavity length), ...
... quantum fluctuations, which implies the modelization of the movable mirror in terms of a single quantum harmonic oscillator (or bosonic mode) with frequency ωm , effective mass m and energy decay rate γm . Moreover, we invoke the condition 2ωm L c (c is the speed of light and L the cavity length), ...
Quantum Complementarity for the Superconducting Condensate and the Resulting Electrodynamic Duality. Abstract
... connected to the external measurement and biasing circuitry through 4 arrays of SQUIDs. The voltage across the central junction is measured with two of the arrays, and the bias is applied through the other two arrays. This 4 point measurement allows us to measure the current versus voltage (I −V ) c ...
... connected to the external measurement and biasing circuitry through 4 arrays of SQUIDs. The voltage across the central junction is measured with two of the arrays, and the bias is applied through the other two arrays. This 4 point measurement allows us to measure the current versus voltage (I −V ) c ...
.
... single photons and single matter qubits is one of the most important and challenging goals in quantum information science [1]. It enables a wide variety of potential applications ranging from scalable quantum computing schemes to quantum networks and single-photon nonlinear optics [2]. Much progress ...
... single photons and single matter qubits is one of the most important and challenging goals in quantum information science [1]. It enables a wide variety of potential applications ranging from scalable quantum computing schemes to quantum networks and single-photon nonlinear optics [2]. Much progress ...
Preprint
... less for the alkali condensates. This is in contrast to liquid helium where this correction (called quantum depletion) is about 90%. This means that even for the interacting gases, the atoms can all be regarded as having the same single-particle wavefunction with 99% accuracy. Consequently, gaseous ...
... less for the alkali condensates. This is in contrast to liquid helium where this correction (called quantum depletion) is about 90%. This means that even for the interacting gases, the atoms can all be regarded as having the same single-particle wavefunction with 99% accuracy. Consequently, gaseous ...
Vacuum-Entanglement
... (II) Are Bells' inequalities violated? Yes, for arbitrary separation. (Filtration, “hidden” non-locality). (III) Where does it “come from”? Localization, shielding. (Harmonic Chain). ...
... (II) Are Bells' inequalities violated? Yes, for arbitrary separation. (Filtration, “hidden” non-locality). (III) Where does it “come from”? Localization, shielding. (Harmonic Chain). ...
11 Selective radiation
... These levels represent, basically, rotation±vibration levels of energies. Since these selective lines have a ®nite width owing to various broadening factors, in some cases (as, for example, for oxygen emission lines in the terrestrial atmosphere) separate lines `merge' into the frequency bands and s ...
... These levels represent, basically, rotation±vibration levels of energies. Since these selective lines have a ®nite width owing to various broadening factors, in some cases (as, for example, for oxygen emission lines in the terrestrial atmosphere) separate lines `merge' into the frequency bands and s ...
Quantum mechanical spin and addition of angular momenta
... of the spin degree of freedom marginally predates the development of relativistic quantum mechanics by Dirac and was acheived in a ground-breaking experiement by Stern and Gerlach (1922). In their experiment, they passed a well-collimated beam of silver atoms through a region of inhomogeneous field ...
... of the spin degree of freedom marginally predates the development of relativistic quantum mechanics by Dirac and was acheived in a ground-breaking experiement by Stern and Gerlach (1922). In their experiment, they passed a well-collimated beam of silver atoms through a region of inhomogeneous field ...
Quantum Wires and Quantum Point Contacts
... and can lead to depopulation of magneto-electric modes. (at Fermi surface) As a result, density of states oscillates as a function of magnetic field. However, the oscillations are not periodic in 1/B. In very strong magnetic fields, come back to the case of 2DEG. ...
... and can lead to depopulation of magneto-electric modes. (at Fermi surface) As a result, density of states oscillates as a function of magnetic field. However, the oscillations are not periodic in 1/B. In very strong magnetic fields, come back to the case of 2DEG. ...
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... ☞ Anti-fermions have opposite intrinsic parity. ■ Bosons and their anti-particles have the same intrinsic parity. ■ What about the photon? ◆ Strictly speaking, we can not assign a parity to the photon since it is never at rest. ◆ By convention the parity of the photon is given by the radiation ...
... ☞ Anti-fermions have opposite intrinsic parity. ■ Bosons and their anti-particles have the same intrinsic parity. ■ What about the photon? ◆ Strictly speaking, we can not assign a parity to the photon since it is never at rest. ◆ By convention the parity of the photon is given by the radiation ...
Quantum-teleportation benchmarks for independent and identically
... ball ρθ − ρθ 1 n−1/2+ in definition (3). Why not consider the supremum over all θ as we did in the nonasymptotic case ? The reason is that the global supremum would be overly pessimistic and would be dominated by the region in the parameter space which is hardest for the benchmark problem. Rest ...
... ball ρθ − ρθ 1 n−1/2+ in definition (3). Why not consider the supremum over all θ as we did in the nonasymptotic case ? The reason is that the global supremum would be overly pessimistic and would be dominated by the region in the parameter space which is hardest for the benchmark problem. Rest ...