Quantum Field Theory (QFT) is a fundamental framework in theoretical physics that blends quantum mechanics with special relativity to describe how particles and fields interact. It serves as the foundation for understanding particle physics and the Standard Model, providing insights into the behavior of subatomic particles and the forces that govern them.

Quantum Field Theory

Theoretical physics is a branch of physics that uses mathematical models and abstractions to explain and predict natural phenomena. It plays a crucial role in advancing our understanding of the universe by proposing new theories and unifying existing ones, often leading to groundbreaking discoveries and technological innovations.

theoretical physics

Quantum mechanics is a fundamental theory in physics that describes the physical properties of nature at the smallest scales, such as atoms and subatomic particles. It introduces concepts like wave-particle duality, uncertainty principle, and quantum entanglement, which challenge classical intuitions about the behavior of matter and energy.

quantum mechanics

Special Relativity, formulated by Albert Einstein in 1905, revolutionized the understanding of space and time by introducing the idea that the laws of physics are the same for all non-accelerating observers and that the speed of light in a vacuum is constant regardless of the motion of the light source or observer. This theory fundamentally altered the concepts of simultaneity, length, and time, leading to groundbreaking implications such as time dilation and length contraction.

special relativity

particles and fields

Particle physics is the branch of physics that studies the fundamental constituents of matter and the forces that govern their interactions. By exploring subatomic particles like quarks, leptons, and gauge bosons, it seeks to understand the underlying principles of the universe, often through high-energy experiments like those conducted in particle accelerators.

particle physics

The Standard Model is a fundamental theory in physics that describes the electromagnetic, weak, and strong nuclear interactions, which govern the behavior of all known subatomic particles. It successfully unifies three of the four fundamental forces of nature, but does not include gravity, and predicts the existence of particles like the Higgs boson, which was confirmed experimentally in 2012.

Standard Model

Subatomic particles are the fundamental constituents of matter, existing within atoms and comprising protons, neutrons, and electrons. Understanding their interactions and properties is crucial for exploring the nature of matter and the forces governing the universe.

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