theories:quantum_mechanics
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theories:quantum_mechanics [2018/05/13 09:18] jakobadmin ↷ Links adapted because of a move operation |
theories:quantum_mechanics [2018/06/08 13:57] jakobadmin [Interpretations] |
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| There is no general consensus as to what the fundamental principles of quantum mechanics are and what it really "means". While almost any physicist can do calculations((At least in the standard, Hilbert space formulation)) in quantum mechanics, the stories that are told about what we really do when we perform these calculations vary wildly. For example, a common question is whether a particle in quantum mechanics already has well-defined properties before we measure it or if they only take on definite values as soon as we measure them. | There is no general consensus as to what the fundamental principles of quantum mechanics are and what it really "means". While almost any physicist can do calculations((At least in the standard, Hilbert space formulation)) in quantum mechanics, the stories that are told about what we really do when we perform these calculations vary wildly. For example, a common question is whether a particle in quantum mechanics already has well-defined properties before we measure it or if they only take on definite values as soon as we measure them. | ||
| - | The thing is that experimentally outcomes stay the same no matter which interpretation we believe in((This is similar to the statement that it doesn't matter which formulation we use. But here it makes at least some difference since some scenarios can be calculated more easily in a specific formulation.)). In this sense, discussions about the intereprtation of quantum mechanics are mostly a matter of taste. | + | The thing is that experimentally outcomes stay the same no matter which interpretation we believe in((This is similar to the statement that it doesn't matter which formulation we use. But here it makes at least some difference since some scenarios can be calculated more easily in a specific formulation.)). In this sense, discussions about the interpretation of quantum mechanics are mostly a matter of taste. |
| Important notions regarding the interpretation of quantum mechanics are | Important notions regarding the interpretation of quantum mechanics are | ||
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| >"One should no more rack one’s brain about the problem of whether something one cannot know anything about exists all the same, than about the ancient question of how many angels are able to sit on the point of a needle." - Wolfgang Pauli | >"One should no more rack one’s brain about the problem of whether something one cannot know anything about exists all the same, than about the ancient question of how many angels are able to sit on the point of a needle." - Wolfgang Pauli | ||
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| + | An amazing discussion of the Copenhagen interpreation and how it came about can be found in Quantum Dialogue by Mara Beller. | ||
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theories/quantum_mechanics.txt · Last modified: 2018/06/08 13:57 by jakobadmin
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