Quantum mechanics provides foundation for modern physics from "summary" of The Principles of Quantum Mechanics by P. A. M. Dirac
Quantum mechanics has played a pivotal role in shaping the landscape of modern physics. Through its principles and mathematical framework, quantum mechanics has provided a solid foundation upon which many of the fundamental theories in physics rest. The theory of quantum mechanics, with its probabilistic interpretation, has revolutionized our understanding of the microscopic world, challenging classical notions of determinism and causality. The development of quantum mechanics in the early 20th century by pioneers such as Planck, Einstein, Bohr, and others marked a departure from classical physics and laid the groundwork for a new way of thinking about the behavior of particles at the quantum level. The concept of quantization, where physical quantities such as energy and angular momentum are constrained to discrete values, was a radical departure from the continuous nature of classical physics. One of the key features of quantum mechanics is the wave-particle duality, where particles exhibit both wave-like and particle-like behavior depending on the experimental setup. This duality is encapsulated in the wave function, which describes the probability amplitude of finding a ...
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