Chapter 28
... 69. If the intensity illuminating a surface is increased while a frequency high enough to produce photoelectrons is held fixed, a. more photoelectrons are emitted. b. each electron has a greater kinetic energy than with the lower illumination. c. the cutoff frequency is decreased. d. (a) and (b) are ...
... 69. If the intensity illuminating a surface is increased while a frequency high enough to produce photoelectrons is held fixed, a. more photoelectrons are emitted. b. each electron has a greater kinetic energy than with the lower illumination. c. the cutoff frequency is decreased. d. (a) and (b) are ...
Fisher information in quantum statistics
... Braunstein and Caves (1994) proposed to use Helstrom’s quantum information number to define, meaningfully, a metric on the set of all possible states of a given quantum system. They showed that the quantum information is nothing else than the maximal Fisher information in a measurement of the quantu ...
... Braunstein and Caves (1994) proposed to use Helstrom’s quantum information number to define, meaningfully, a metric on the set of all possible states of a given quantum system. They showed that the quantum information is nothing else than the maximal Fisher information in a measurement of the quantu ...
Low-frequency conductivity of a nondegenerate two-dimensional electron liquid
... the electron-electron interaction. Earlier, we found a way to take this interaction into account nonperturbatively, and calculated the static conductivity and the cyclotron resonance for a weak short-range disorder potential.15 These results were qualitatively and quantitatively confirmed by the exp ...
... the electron-electron interaction. Earlier, we found a way to take this interaction into account nonperturbatively, and calculated the static conductivity and the cyclotron resonance for a weak short-range disorder potential.15 These results were qualitatively and quantitatively confirmed by the exp ...
2 Electron-electron interactions 1
... strongly and less often, so a mean field theory like Hartree-Fock theory should work well. This is true if the interactions are short-ranged, such that for suffiently low densities the particles spend no time within an interaction length. The interaction is typically characterized by a strength V an ...
... strongly and less often, so a mean field theory like Hartree-Fock theory should work well. This is true if the interactions are short-ranged, such that for suffiently low densities the particles spend no time within an interaction length. The interaction is typically characterized by a strength V an ...
Quantum Interaction Approach in Cognition, Artificial Intelligence
... the scholars involved in this Quantum Interaction Approach. We stress, however, that the following presentation does not pretend to be either historically complete or exhaustive of the various subjects and approaches that have been put forward, but it just aims to provide an overall conceptual backg ...
... the scholars involved in this Quantum Interaction Approach. We stress, however, that the following presentation does not pretend to be either historically complete or exhaustive of the various subjects and approaches that have been put forward, but it just aims to provide an overall conceptual backg ...
... beckets beside the energy expression in classical mechanics and relativity [10]. Unfortunately the energy expression take care of the effect of the field potentials only, without accounting other effects that can change the behavior of the particle under study. These effects include friction, collis ...
J. von Neumann`s views on mathematical and axiomatic physics
... which entail certain relations between these probabilities. Then one searches for a simple analytic machinery in which quantities appear that satisfy exactly these relations. This analytic machinery and the quantities occurring in it receive a physical interpretation on the basis of the physical req ...
... which entail certain relations between these probabilities. Then one searches for a simple analytic machinery in which quantities appear that satisfy exactly these relations. This analytic machinery and the quantities occurring in it receive a physical interpretation on the basis of the physical req ...
80, 030202(R) (2009)
... be accomplished by dynamically varying the focus of the beam 关9兴. 共In practice, this step may not be necessary, but it greatly simplifies the calculation.兲 According to the WentzelKramers-Brillouin 共WKB兲 method, atoms with energy much lower than the trap depth are completely unaffected by the change ...
... be accomplished by dynamically varying the focus of the beam 关9兴. 共In practice, this step may not be necessary, but it greatly simplifies the calculation.兲 According to the WentzelKramers-Brillouin 共WKB兲 method, atoms with energy much lower than the trap depth are completely unaffected by the change ...
2 - Jefferson Lab
... The remainder was spent setting the Wien angle and delivering beam to the injector (5 MeV) and end-stations (5.6 GeV) for polarimetry. Polarimeter data was collected at 12 Wien angles spanning ~220 degrees. The Mott and Moller polarimeters used a DC laser generated electron beam that was RF chopped ...
... The remainder was spent setting the Wien angle and delivering beam to the injector (5 MeV) and end-stations (5.6 GeV) for polarimetry. Polarimeter data was collected at 12 Wien angles spanning ~220 degrees. The Mott and Moller polarimeters used a DC laser generated electron beam that was RF chopped ...
Time-dependent molecular properties in the optical and x-ray regions Ulf Ekstr¨om
... more elaborate calculations, but many of the approximations that are still in use today were invented in the early years of quantum chemistry. The reason for the success of these approximations, for example the Hartree–Fock theory, is that they are based on a solid understanding of chemical bonding ...
... more elaborate calculations, but many of the approximations that are still in use today were invented in the early years of quantum chemistry. The reason for the success of these approximations, for example the Hartree–Fock theory, is that they are based on a solid understanding of chemical bonding ...
The Homological Nature of Entropy
... Abstract: We propose that entropy is a universal co-homological class in a theory associated to a family of observable quantities and a family of probability distributions. Three cases are presented: (1) classical probabilities and random variables; (2) quantum probabilities and observable operators ...
... Abstract: We propose that entropy is a universal co-homological class in a theory associated to a family of observable quantities and a family of probability distributions. Three cases are presented: (1) classical probabilities and random variables; (2) quantum probabilities and observable operators ...
Quantum electrodynamics
In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it ""the jewel of physics"" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.