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Undergraduate Quantum Chemistry Written by Jussi Eloranta
Undergraduate Quantum Chemistry Written by Jussi Eloranta

... Classical physics is deterministic, which means that a given cause always leads to the same result. This would predict, for example, that all observables can be determined to any accuracy, limited only by the measurement device. However, as we will see later, according to quantum mechanics this is n ...
Chapter 11 Noncommuting Operators and Uncertainty
Chapter 11 Noncommuting Operators and Uncertainty

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... Carbon nanotubes(CNT) have attracted many researchers interest because of their electronic variety based on their own unique and beautiful structures. Since the particular electronic properties of CNT, such like metallic and semiconducting state of itself, are arise from not only structural uniquene ...
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73 013601 (2006)

... 关2,3兴. Experimental study of these quantum phenomena have been done with ultracold atoms in periodically pulsed optical lattices 关4兴. However, most of the previous investigations have been focused on single-particle systems and the effects of interaction between particles have not received much atte ...
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... When electrons are considered particles, we should be able to measure their positions (x) and momenta (p) accurately, but Heisenberg showed that is not the case. The arguments seem complex, but the result is simple. The uncertainty of position Dx and uncertainty in momentum Dp has this relationship: ...
On the Linkage between Planck`s Quantum and
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... defined by equation (4), describes the mass equivalence of a cycle of radiation with wavelength λ, produced by a single oscillation of an electron in the emitting dipole. The energy of a cycle of radiation in equation (4) is formally equivalent to the rest energy mass mλ, E = h0 /λċ2 = mλc2 , where ...
High Energy Elastic Scattering of Electrons on Protons
High Energy Elastic Scattering of Electrons on Protons

Quantum Computation with Neutral Atoms
Quantum Computation with Neutral Atoms

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... In 1892, what can be considered as a new microscopical classical version of electrodynamics was developed by H. A. Lorentz. Taking the previous view of microscopical charged particles used in action-at-a-distance theories, Lorentz combined it with the Maxwell theory of the ether in a way that enable ...
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Undergraduate Quantum Chemistry Written by Jussi Eloranta
Undergraduate Quantum Chemistry Written by Jussi Eloranta

... Classical physics is deterministic, which means that a given cause always leads to the same result. This would predict, for example, that all observables can be determined to any accuracy, limited only by the measurement device. However, as we will see later, according to quantum mechanics this is n ...
Physics 361 Principles of Modern Physics
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... spin-orbit interaction: Li, B, Na, Al, K, Ag, Cu, Ga? (Hint: Use Appendix C to see which elements have / = 0 in their ground state and which do not.) ...
Artificial Intelligence and Nature’s Fundamental Process Peter Marcer and Peter Rowlands
Artificial Intelligence and Nature’s Fundamental Process Peter Marcer and Peter Rowlands

... operator uniquely defines a phase factor on which it acts to produce an amplitude which is nilpotent. It also means that the entire universe or ‘environment’ in which this property becomes possible is defined as well. Although we may not know the detailed structure of how the environment is construc ...
Does Nature Violate Local Realism?
Does Nature Violate Local Realism?

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... be unobservable in practice; and D (the width of the multiplying Gaussian) has been chosen sufficiently large so that violations of the conservation of energy (which are inevitable on any collapse theory since a collapse localizes the position of a wave function) will be sufficiently small as to be ...
Classical World because of Quantum Physics
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... I.e. the statistical mixture has a classical time evolution, if measurement and time evolution commute “on the coarse-grained level”. Given fuzzy measurements (or pre-measurement decoherence), it depends on the Hamiltonian whether macrorealism is satisfied. ...
Appendix B: Boltzmann Transport Theory
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Fossil Horses— Evidence for Evolution

... the known diversity of early Miocene) of horse phylogeny are characterized by browsing species of relatively small body size. The remaining ~20 extinct forms. Recent My (middle Miocene until the present day) are characterized by genera that are either primarily browsing/grazing or are work reveals t ...
The Atomic Molecular Theory
The Atomic Molecular Theory

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chapter-11 quantum entanglement

... After fifteen years following the EPR publication, in 1951 David Bohm published a textbook on the quantum theory in which he took a close look at EPR in order to develop a response. Bohm showed how one could mirror the conceptual situation in the EPR thought experiment by looking instead at the diss ...
Module P8.3 Multi
Module P8.3 Multi

... structures are generalizations of that of sodium. For example, the first (n = 1) shell of each element is found to accommodate at most two electrons whereas the second (n = 2) shell can contain at most eight. In this way, the successive ionization energies provide a simple, though rather crude, pict ...
Rotation Vibration Spectrum of the HCl Molecule
Rotation Vibration Spectrum of the HCl Molecule

... Because the nuclei are much heavier than the the bonding state is also shown. The zero of electrons, they move much more slowly. To potential energy has been chosen to be that of a good approximation the nuclei can be con- two isolated atoms, r = ∞. sidered as “standing still” when determining the e ...
Localization transition in a ballistic quantum wire
Localization transition in a ballistic quantum wire

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Hydrogen atom



A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.In everyday life on Earth, isolated hydrogen atoms (usually called ""atomic hydrogen"" or, more precisely, ""monatomic hydrogen"") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary (diatomic) hydrogen gas, H2. ""Atomic hydrogen"" and ""hydrogen atom"" in ordinary English use have overlapping, yet distinct, meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).
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