Titlebook: Lectures on Quantum Mechanics; With Problems, Exerc Jean-Louis Basdevant Textbook 2023Latest edition The Editor(s) (if applicable) and The

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Perception and Imagination,parked public enthusiasm, and where the following unexpected discoveries that have been made that have transformed the way we see the universe. In 1896, by reading Röntgen’s paper, Poincaré and Becquerel discovered radioactivity, assisted by Pierre and Marie Curie.

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,Wave Function, Schrödinger Equation, We now want to construct the theory of this experiment. More generally, we want to find the quantum theory of the simplest problem of mechanics; the nonrelativistic motion of a particle of mass . in a field of force. This is due to de Broglie and to Schrödinger.

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Two-State Systems, Matrix Mechanics,ule with the method seen in Chap. . and to do matrix mechanics on this particular case, in a similar way to what we did in wave mechanics by considering the simple problem of the motion of a particle in space. This will open new ideas and a useful manner to consider quantum problems.

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macular-edema

The Algebra of Observables,hat are the Hamiltonian and the observables for a given system? In wave mechanics, we have operators ., . and we solve differential equations, but what should we do here? It is true that for the ammonia molecule in the previous chapter, we have guessed quite easily how to proceed, but what is the ge

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Approximation Methods,In general one must also resort to approximation methods which are quite useful in order to understand such results. We present two of these methods: perturbation theory and the variational method. We are mainly interested in applications.

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Identical Particles, The Pauli Principle,e same interest as relativity among philosophers, and even among physicists, it is probably because it explained so many experimental facts (many more than relativity) that Fermi and Dirac incorporated it immediately in the general theory of quantum mechanics.

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