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Quantum field theory an arcane setting for explaining the world 1st Edition by Roberto Iengo 1643270532 9781643270531
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Quantum field theory an arcane setting for explaining the world Roberto Iengo Digital Instant Download
ISBN(s): 9781643270531, 1643270532
Edition: Version: 20180701.
File Details: PDF, 2.44 MB
Year: 2018
Language: english
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Product details:
ISBN 10: 1643270532
ISBN 13: 9781643270531
Author: Roberto Iengo
While there are many good books in particle physics, very seldom if ever has a non-specialist comprehensive description of Quantum Field Theory has appeared. The intention of this short book is to offer a guided tour of that innermost topic of Theoretical Physics, in plain words and avoiding the mathematical apparatus
Quantum field theory an arcane setting for explaining the world 1st Table of contents:
1. Interaction at a distance? Rather, the propagation of a field
1.1. Static fields perhaps well known
1.2. Time dependent fields perhaps less well known
1.3. Bibliography 2. The messengers of the interactions : the ‘quanta’ of the field
2.1. The revenge of the integers
2.2. Quanta as particles
2.3. Quanta as waves
2.4. Two other, less familiar, fundamental fields and their quanta
2.5. Weak interactions
2.6. Strong interactions
2.7. Radiation fields : a collective name
2.8. Bibliography 3. Matter fields, of an uncommon self-avoiding kind
3.1. The need for new unusual anti-commuting numbers
3.2. Matter quanta. An interlude
3.3. Matter fields
3.4. Supersymmetry
3.5. The love affair with anticommuting numbers
3.6. Bibliography 4. Whatever is happening makes an action
4.1. The action and the motion
4.2. The action of the fields
4.3. Action in quantum field theory
4.4. Time is real but it helps treating it as imaginary
4.5. Bibliography 5. The vacuum : the stage of the fields’ play
5.1. A metaphysical vacuum?
5.2. Feynman graphs
5.3. The vacuum has a physical content, to be seen
5.4. Bibliography 6. The symmetric shape of the action
6.1. Are there other fields in nature?
6.2. Symmetry and invariance : the gauge invariance
6.3. Other kinds of gauge invariance
6.4. Why gauge invariance
6.5. The mass looks forbidden by gauge invariance
6.6. The rescue of the mass (thanking Professor Higgs for a nice suggestion)
6.7. Other possibilities of spontaneously broken gauge invariance
6.8. Bibliography 7. Everything fluctuates
7.1. Violating energy conservation?
7.2. Picturing by Feynman graphs
7.3. Sometimes the quantum corrections are a bit too large, actually infinite
7.4. The coupling constant runs like Achilles’ tortoise
7.5. The picture changes when observed at a distance
7.6. Bibliography 8. The vacuum is not empty
8.1. The Higgs field fills the vacuum
8.2. The fields are never at rest
8.3. Quanta are created and annihilated in the vacuum
8.4. (Exact) supersymmetry implies zero vacuum energy
8.5. The vacuum energy affects the behavior of the Universe
8.6. Is the vacuum stable?
8.7. Bibliography 9. What else?
9.1. A theory of never free quarks?
9.2. QFT in a gravitationally curved spacetime
9.3. Gravity can describe QFT without gravity
9.4. Other topics that are not covered
9.5. Bibliography 10. QFT : what for?
10.1. The answer is : knowledge
10.2. A layer of effective theories
10.3. QFT in the Universe
10.4. The main web-reference for a farewell
Appendix. Notes for further insight
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