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Exchange, antisymmetry and Pauli repulsion
Exchange, antisymmetry and Pauli repulsion

... For convenience, combine continuity and classical Hamilton-Jacobi equations (two real equations, note) √ iS into a single complex equation. To do this, introduce general complex function Ψ = reiθ = ρe h̄ with h̄ an arbitrary constant giving a dimensionless exponent. Complex equation that results is: ...
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Neutral kaons decay has 20 disintegration channels of one, two or

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Conservation Laws and the Quantum Theory of Transport: The Early

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Further Quantum Mechanics: Problem Set 2. Trinity term weeks 1 – 2

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Segmentation using probabilistic model

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The Early Universe in Loop Quantum Cosmology

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Shor`s Algorithm and the Quantum Fourier Transform

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The Homological Nature of Entropy

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Quantum Technology: Putting Weirdness To Use

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The Scattering Green`s Function: Getting the Signs Straight

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4 4.1. Particle motion in the presence of a potential barrier

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Probability amplitude



In quantum mechanics, a probability amplitude is a complex number used in describing the behaviour of systems. The modulus squared of this quantity represents a probability or probability density.Probability amplitudes provide a relationship between the wave function (or, more generally, of a quantum state vector) of a system and the results of observations of that system, a link first proposed by Max Born. Interpretation of values of a wave function as the probability amplitude is a pillar of the Copenhagen interpretation of quantum mechanics. In fact, the properties of the space of wave functions were being used to make physical predictions (such as emissions from atoms being at certain discrete energies) before any physical interpretation of a particular function was offered. Born was awarded half of the 1954 Nobel Prize in Physics for this understanding (see #References), and the probability thus calculated is sometimes called the ""Born probability"". These probabilistic concepts, namely the probability density and quantum measurements, were vigorously contested at the time by the original physicists working on the theory, such as Schrödinger and Einstein. It is the source of the mysterious consequences and philosophical difficulties in the interpretations of quantum mechanics—topics that continue to be debated even today.
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