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Presenting a conceptualization of quantum mechanics, using quaternions instead of complex numbers, the author gives a systematic treatment of quaternionic quantum mechanics paralleling the standard textbook treatment of complex quantum mechanics.

Mathematical physics. --- Quantum field theory. --- Quantum theory. --- Quaternions. --- Algebra, Universal --- Algebraic fields --- Curves --- Surfaces --- Numbers, Complex --- Vector analysis --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Physical mathematics --- Mathematics --- 530.145 --- Quantum field theory --- Quaternions --- Mathematical physics --- 530.145 Quantum theory --- Théorie quantique --- Théorie quantique des champs --- Physique mathématique

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Quantum mechanics is our most successful physical theory. However, it raises conceptual issues that have perplexed physicists and philosophers of science for decades. This 2004 book develops an approach, based on the proposal that quantum theory is not a complete, final theory, but is in fact an emergent phenomenon arising from a deeper level of dynamics. The dynamics at this deeper level are taken to be an extension of classical dynamics to non-commuting matrix variables, with cyclic permutation inside a trace used as the basic calculational tool. With plausible assumptions, quantum theory is shown to emerge as the statistical thermodynamics of this underlying theory, with the canonical commutation/anticommutation relations derived from a generalized equipartition theorem. Brownian motion corrections to this thermodynamics are argued to lead to state vector reduction and to the probabilistic interpretation of quantum theory, making contact with phenomenological proposals for stochastic modifications to Schrödinger dynamics.

Quantum theory --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Quantum theory. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics

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The case study reviews how the American Heart Association harnessed the collective power of several pharmaceutical companies to promote cardiovascular health messages across the US.

Charities. --- Charities, Medical. --- Social marketing. --- Charities --- Charities, Medical --- Health education --- Heart --- Social marketing --- Marketing --- Marketing. --- Diseases --- Prevention. --- American Heart Association.

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Particles (Nuclear physics). --- Algebra of currents.

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