Questions tagged [quantum-mechanics]
The branch of physics that relates to the behavior of objects, typically particles, on small scales. Probability is very important in quantum mechanics.
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Did von Neumann have similar ideas to the Many-Worlds intepretation?
I would like to ask a question about this work (https://www.researchgate.net/publication/31226579_That_von_Neumann_Did_Not_Believe_in_a_Physical_Collapse) which was cited in this encyclopedia on Many-...
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The first time the time-dependent Schrödinger equation was written
I am going through Erwin Schrödinger's original papers Quantisation as a Problem of Proper Values I.-IV. (QPPV) (albeit in English) and I am curious about when the actual date was the time-dependent ...
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Has physicist Yakir Aharonov ever accepted the Many Worlds interpretation as plausible or interesting throughout his career?
I am making a biography of well renowned physicists and their views in some of the problems in theoretical physics
Israeli physicist Yakir Aharonov is one of them and concerning the many worlds ...
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Pascual Jordan's paper on the "Fermi-Dirac" statistics
It is known that Pascual Jordan discovered what is now known as Fermi-Dirac statistics even before Fermi and Dirac. As Max Born said:$^1$
Ich hasse Jordans Politik, aber ich kann nie wieder gut ...
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The original photograph of the Zeeman effect
Problem: Multiple sources provide the image given below and reference it either to Zeeman's original 1896 paper in Dutch (see R1) or one of the multiple traslations to English in 1897 (see R2, R3, R4)....
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Wave function irrealists
A useful distinction in wave function metaphysics in quantum theory is between the realist/irrealist (or equivalently, ontic/epistemic?) accounts. The irrealists (e.g. Heisenberg, later Schrödinger, ...
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How did Schrödinger come up with the Klein-Gordon equation?
Schrödinger came up with his eponymous equation in 1926 by taking inspiration from the optics-mechanics analogy formulated by Hamilton, as explained in his paper.
Sources claim claim that Schrödinger ...
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What was Schrodinger's actual motivation or reason that he made his Schrodinger's wave equation?
Please read as it is important to understand what I want to ask ( I acknowledge and sorry to write this long ) -
I have studied that when Schrodinger was attending seminar in Zurich about "de ...
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How has the concept of *mass* evolved overtime?
I am confused to understand what actually is mass , so can I get to know how its concept developed overtime ?
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Approaching QM from a purely philosophical angle
In 19th century philosophy the principle was, as developed perhaps from Hegel or from this followers, that you cannot investigate a phenomenon without impacting the same phenomenon. A very similar ...
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On the Schrödinger's first QM article
Is it true that Schrödinger first derived his time-independent equation by simply combining the Helmholtz equation and de Broglie's assumptions $p=\hbar k$ and $E= \hbar \omega$ for a wave-like ...
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Did Werner Heisenberg accept some version of Many Worlds (or Many Possible Worlds)?
I found a recorded conversation between Carl von Weizsäcker and Werner Heisenberg (it's in German but there is a transcription in English, which is not so correct, but it serves to give you an idea of ...
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Where did von Neumann get this idea about mind?
Reading the book Mathematical Foundations of Quantum Mechanics of von Neumann,I found an interesting quote in chapter VI, where the author tries to "solve" the apparent paradox that one ...
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Who was U. Uhlhorn, who first gave the correct proof of Wigner's theorem?
His widely referred paper with the proof is "Representation of symmetry transformations in quantum mechanics", Arkiv för Fysik 23 (30), 307-340, 1962.
His another important paper is "On ...
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Who first stated the quantum mechanical Heisenberg equation of motion?
The Heisenberg equation of motion appears in any textbook of quantum mechanics, but apparently never with precise historical references.
It is in Dirac's mimeographed 1935 'Lecture notes on quantum ...