Atomic Physics - CAFE SYSTEM CANARIAS
... interaction of radiation with atoms marks the transition between the earlier chapters on structure and the second half of the book which covers laser spectroscopy, laser cooling, Bose–Einstein condensation of dilute atomic vapours, matter-wave interferometry and ion trapping. The exciting new develo ...
... interaction of radiation with atoms marks the transition between the earlier chapters on structure and the second half of the book which covers laser spectroscopy, laser cooling, Bose–Einstein condensation of dilute atomic vapours, matter-wave interferometry and ion trapping. The exciting new develo ...
Relativistic and non-relativistic differential equations for the quantum
... can be obtained where α is equal to v g / v p . Since we have the representation of the momentum of a non-relativistic particle, now we can derive a differential equation for the quantum theory. Equation (6) can be rewritten as ...
... can be obtained where α is equal to v g / v p . Since we have the representation of the momentum of a non-relativistic particle, now we can derive a differential equation for the quantum theory. Equation (6) can be rewritten as ...
Like other physical theories, quantum mechanics deals with
... the mind might be able to control the relevant collapse events. If so, the mind would be able to choose one among different possible physical outcomes without impinging on any conservation law. The traditional physical objection against such schemes is that since the brain is large and hot, it is un ...
... the mind might be able to control the relevant collapse events. If so, the mind would be able to choose one among different possible physical outcomes without impinging on any conservation law. The traditional physical objection against such schemes is that since the brain is large and hot, it is un ...
1000 Solved Problems in Modern Physics
... [Adapted from the University of London, Royal Holloway 2005] 2.26 If the minimum wavelength from an 80 kV X-ray tube is 0.15 × 10−10 m, deduce a value for Planck’s constant. [Adapted from the University of New Castle upon Tyne 1964] 2.27 If the minimum wavelength recorded in the continuous X-ray spe ...
... [Adapted from the University of London, Royal Holloway 2005] 2.26 If the minimum wavelength from an 80 kV X-ray tube is 0.15 × 10−10 m, deduce a value for Planck’s constant. [Adapted from the University of New Castle upon Tyne 1964] 2.27 If the minimum wavelength recorded in the continuous X-ray spe ...
Quantum Mechanics
... [Adapted from the University of London, Royal Holloway 2005] 2.26 If the minimum wavelength from an 80 kV X-ray tube is 0.15 × 10−10 m, deduce a value for Planck’s constant. [Adapted from the University of New Castle upon Tyne 1964] 2.27 If the minimum wavelength recorded in the continuous X-ray spe ...
... [Adapted from the University of London, Royal Holloway 2005] 2.26 If the minimum wavelength from an 80 kV X-ray tube is 0.15 × 10−10 m, deduce a value for Planck’s constant. [Adapted from the University of New Castle upon Tyne 1964] 2.27 If the minimum wavelength recorded in the continuous X-ray spe ...
A commentary on Eric Scerri`s paper “Has Quantum Mechanics
... their chemistry was used by Niels Bohr to “deduce” the periodic table (see, e.g., Pais, 1991). In what follows, we’ll concentrate on the electronic properties of atoms as revealed by their spectra. In quantum mechanics, only few problems can be solved exactly (i.e., analytically). These include the ...
... their chemistry was used by Niels Bohr to “deduce” the periodic table (see, e.g., Pais, 1991). In what follows, we’ll concentrate on the electronic properties of atoms as revealed by their spectra. In quantum mechanics, only few problems can be solved exactly (i.e., analytically). These include the ...
Science as Representation: Flouting the Criteria
... Let’s admit that von Neumann’s alteration of the quantum theory, with or without Wigner’s addition, implies that the phenomena do derive from the quantum-mechanically described reality. But the appearance-fromreality criterion is nevertheless not satisfied because physics cannot provide the derivati ...
... Let’s admit that von Neumann’s alteration of the quantum theory, with or without Wigner’s addition, implies that the phenomena do derive from the quantum-mechanically described reality. But the appearance-fromreality criterion is nevertheless not satisfied because physics cannot provide the derivati ...
The Future of Computer Science
... Feynman 1981: So then why not turn things around, and build computers that themselves exploit superposition? Could such a machine get any advantage over a classical computer with a random number generator? If so, it would have to come from interference between amplitudes ...
... Feynman 1981: So then why not turn things around, and build computers that themselves exploit superposition? Could such a machine get any advantage over a classical computer with a random number generator? If so, it would have to come from interference between amplitudes ...
simulate quantum systems
... Feynman’s discussion [1] of the computational difficulties associated with the simulation of quantum mechanical systems hinges on the exponential growth of the size of Hilbert space with the number of particles in the system. Keeping track of all degrees of freedom is thus a computationally expensiv ...
... Feynman’s discussion [1] of the computational difficulties associated with the simulation of quantum mechanical systems hinges on the exponential growth of the size of Hilbert space with the number of particles in the system. Keeping track of all degrees of freedom is thus a computationally expensiv ...
Electromagnetic radiation and resonance
... next to impossible. Practically any external action will result in various an’s in (2.1) that will be different from zero, and the state will not be stationary. The examples of (2.10) and (2.15) are only two of an infinite number of possibilities for the nonstationary states of the quantum oscillato ...
... next to impossible. Practically any external action will result in various an’s in (2.1) that will be different from zero, and the state will not be stationary. The examples of (2.10) and (2.15) are only two of an infinite number of possibilities for the nonstationary states of the quantum oscillato ...
Coulomb oscillations as a remedy for the helium atom
... Later, perturbation theory from celestial mechanics was employed. However, despite increasing efforts and sophistication, those calculations did not converge toward the experimental value. In fact, the most extensive methods, carried out by Kramers and by Van Vleck (Mehra and Rechenberg 1982a), gave ...
... Later, perturbation theory from celestial mechanics was employed. However, despite increasing efforts and sophistication, those calculations did not converge toward the experimental value. In fact, the most extensive methods, carried out by Kramers and by Van Vleck (Mehra and Rechenberg 1982a), gave ...
Quantum and Atomic Physics - Problems PSI AP Physics 2
... 1. How was it determined that cathode rays possessed a negative charge? 2. J. J. Thomson found that cathode rays were really particles, which were subsequently named electrons. What property of electrons did he measure and with what piece of laboratory equipment? 3. Who determined the charge on an e ...
... 1. How was it determined that cathode rays possessed a negative charge? 2. J. J. Thomson found that cathode rays were really particles, which were subsequently named electrons. What property of electrons did he measure and with what piece of laboratory equipment? 3. Who determined the charge on an e ...
Bohr–Einstein debates
The Bohr–Einstein debates were a series of public disputes about quantum mechanics between Albert Einstein and Niels Bohr. Their debates are remembered because of their importance to the philosophy of science. An account of the debates was written by Bohr in an article titled ""Discussions with Einsteinon Epistemological Problems in Atomic Physics"". Despite their differences of opinion regarding quantum mechanics, Bohr and Einstein had a mutual admiration that was to last the rest of their lives.The debates represent one of the highest points of scientific research in the first half of the twentieth century because it called attention to an element of quantum theory, quantum non-locality, which is absolutely central to our modern understanding of the physical world. The consensus view of professional physicists has been that Bohr proved victorious, and definitively established the fundamental probabilistic character of quantum measurement.