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It is clear the field collapse and renormalization have something in common: they both arise because something happens at the single quantum level that is not described by QFT. Renormalization is necessary because QFT is not able to explain the way in which a field quantum interacts with its self-field. Field collapse is a mystery because QFT doesn't predict when or how a quantum will change its state or be absorbed. If one of these gaps sh..
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Rodney A. Brooks |
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QFT deals with the structure and operation of the cosmos in the here-and-now, and not the whys and wherefores.
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Rodney A. Brooks |
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general spin is an abstract mathematical concept that is related to the number of field components and how they change when viewed from different angles. The more field components, the higher the
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Rodney A. Brooks |
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In this chapter we will look at the entire edifice of QFT. We will see that it is based on three simple principles. We will also list some of its achievements, including some new insights and understandings not previously mentioned. THE FOUNDATION QFT is an axiomatic theory that rests on a few basic assumptions. Everything you have learned so far, from the force of gravity to the spectrum of hydrogen, follows almost inevitably from these th..
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Rodney A. Brooks |