Quantum Physics: Illusion or Reality? (Google eBook)
Quantum physics is believed to be the fundamental theory underlying our understanding of the physical universe. However, it is based on concepts and principles that have always been difficult to understand and controversial in their interpretation. This book aims to explain these issues using a minimum of technical language and mathematics. After a brief introduction to the ideas of quantum physics, the problems of interpretation are identified and explained. The rest of the book surveys, describes and criticises a range of suggestions that have been made with the aim of resolving these problems; these include the traditional, or 'Copenhagen' interpretation, the possible role of the conscious mind in measurement, and the postulate of parallel universes. This new edition has been revised throughout to take into account developments in this field over the past fifteen years, including the idea of 'consistent histories' to which a completely new chapter is devoted.
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Which way are the photons pointing?
What can he hidden in a pair of photons?
ls it all in the mind?
is it a matter of size?
1see ahle ahout ahove Aspect experiment atoms Bell inequality Bell's theorem Bohr calcite channel components consciousness consider consistent family consistent histories context Copenhagen interpretation descrihed detected detector direction discussed in Chapter distinction hetween Einstein electrons example experimental fundamental future hehaviour H/V polariser hecause hecome hefore hehaves helieve hidden-variahle theory hoth hrain hranching idea impossihle interaction irreversihle changes known large numher laws light heam macroscopic ohject many-worlds interpretation measuring apparatus molecules motion ohserved ohtained particles particular photon passes photon polarisation photons emerging physical system physical universe Poincare recurrence pointer polarised photon Polaroid position possihle possihle outcomes postulate predictions processes prohahility properties quantum coherence quantum hehaviour quantum measurement quantum physics quantum superposition quantum system quantum theory random reality result reversihle right-hand photon slit spontaneous collapse suhject superconducting superposition thermodynamic two-slit uncertainty principle variahles vertically polarised wave wave-particle duality wavelength
Page viii - Time present and time past Are both perhaps present in time future, And time future contained in time past.
Page viii - Relativity: I like relativity and quantum theories because I don't understand them and they make me feel as if space shifted about like a swan that can't settle, refusing to sit still and be measured; and as if the atom were an impulsive thing, always changing its mind.