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In my last book, "Electricity & Magnetism", two conclusions stood out; the rotary nature of magnetism compared with the linear translation of electricity; and the dependence of ferromagnetism on entanglement of electrons with the same quantum spin states. This book takes a closer look at quantum entanglement. Entanglement occurs between valence electrons with the same quantum spin states creating non-polar (valence) bonds. Entanglement also occurs between electrons with the same quantum spin states in materials in a magnetic field, creating various types of magnetism depending on the structure of the atomic lattice of the material. It has also been demonstrated that quantum entanglement occurs at a distance between electrons, photons, top quarks, and molecules.
Part I describes the development of the current theory of the spin of the electron. Part II describes the development of the theory of how entanglement between electrons with the same quantum spin states result in exchange interaction. Part III addresses the quantum theory of the susceptibility of materials to a magnetic field and the resulting types of magnetism. Part IV describes quantum entanglement at a distance between electrons and other particles with the same quantum spin states.
About the author
Trevor Underwood was born in England in 1943, and became a US citizen in 2004. He earned a M.A. (Cantab.) in mathematics and physics at Clare College, Cambridge University, in 1965, and a M.Sc. (Econ.) in economics at the London School of Economics in 1967, followed by further graduate studies in international economics at the University of Rochester, NY, and at Harvard University, from 1967 to 1969. He worked for the Bank of England, the International Monetary Fund, and the UK Treasury and was a UK Advisor to the Committee of Twenty on Reform of the International Monetary System, from 1969 to 1973. He founded a treasury consultancy business in 1974 and a treasury software company in 1976, which he continued to run until 2017. In 2008 he returned to scientific research. Recent publications include The Surface Temperature of the Earth (November, 2019), which is available from the Lulu Bookstore (www.lulu.com, ISBN 978-0-578-60455-8)
