Zeropoint energy inherent in quantum systems from "summary" of The Principles of Quantum Mechanics by P. A. M. Dirac
The concept of zero-point energy in quantum systems is a fundamental aspect of quantum mechanics. According to the principles of quantum theory, particles such as electrons are not at rest even in their lowest energy state. This implies that there is a minimum energy that a quantum system can possess, known as zero-point energy. This zero-point energy arises from the inherent uncertainty in the position and momentum of particles due to the Heisenberg uncertainty principle. As a result, even in the absence of external forces, quantum systems exhibit a level of energy that cannot be removed. This zero-point energy is a consequence of the probabilistic nature of quantum mechanics, where particles exist in a state of superposition and c...
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