Series: Quantum Mechanics
Blogs about Quantum Mechanics
November 13, 2024
The Quantum Realm
Glossary
- Quantum Field Theory (QFT) - QFT is a theoretical framework combining Quantum Mechanics (reality at the sub-atomic level) with Special Relativity (electromagnetism, strong and weak nuclear force - gravity is not included). QFT successfully predicts the behavior of the the fundamental forces (electromagneticism, strong/weak nuclear force) through its interaction with the Fields - this is the cornerstone of the Standard Model of Particle Physic. In contrast, the Classical Field Theory (CFT) does not produce particles, e.g. electromagnetic field when excited does not produce an electromagnetic particle.
- Quantum field - according to QFT, the Field is primary and not the particles. Particles are just the excited state of the field - quanta. Each Field gives rise to its particular particle e.g. the proton field, when excited, manifests the proton particle. This proton particle is the building block of reality as we see it. The Field is an energy that permeates all of reality including empty space.
- Wave function -
- Special relativity (SR) - this was formulated by Einstein describings the behavior of space/time especially as they move at high speeds approximating the speed of light. Space and time are not separate but a singularity composed of 3 dimensions for space and 1 for time. SR gave rise to Time dilation, to E=MC2,
- Virtual particles -
- Zero-point energy -
- Heisenberg Uncertainty Principle -
- -
- -
Podcast
As I was watching a podcast between Sir Roger Penrose and Federico Faggin about Quantum Physics and consciousness, a few words were bounced around - quantum field, wave function collapse, special relativity and quantum gravity. I have a vague sense of what they are, but to pin them down? I had to ask AI and embark on a new learning curve about the quantum realm.
Quantum Field Theory (QFT)
QFT is a theoretical framework combining Quantum Mechanics (reality at the sub-atomic level) with Special Relativity (electromagnetism, strong and weak nuclear force - gravity is not included). QFT successfully predicts the behavior of the the fundamental forces (electromagneticism, strong/weak nuclear force) through its interaction with the Fields - this is the cornerstone of the Standard Model of Particle Physic. In contrast, the Classical Field Theory (CFT) does not produce particles, e.g. electromagnetic field when excited does not produce an electromagnetic particle.
Quantum field
according to QFT, the Field is primary and not the particles. Particles are just the excited state of the field - quanta. Each Field gives rise to its particular particle e.g. the proton field, when excited, manifests the proton particle. This proton particle is the building block of reality as we see it. The Field is an energy that permeates all of reality including empty space.
Wave function
Special relativity (SR) - this was formulated by Einstein describings the behavior of space/time especially as they move at high speeds approximating the speed of light. Space and time are not separate but a singularity composed of 3 dimensions for space and 1 for time. SR gave rise to Time dilation, to E=MC2,
Zero-point energy
Heisenberg Uncertainty
Virtual particles
Ending Thoughts
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