Can anyone recommend any texts / online sources for learning QM in the Heisenberg formalism? I don't want some 'basics of' book - nitty gritty maths is what I'm after.
I've seen many texts on QM,but beside the VI-the chapter of L.Schiff's "Quantum Mechanics",McGraw-Hill,1947,i don't remember other source.
Daniel.
P.S.You may want to check the bibliography to the first chapter of S.Weinberg's "Quantum Theory of Fields",VOL 1,CUP,1995.
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James Jackson
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Thank you both, I'll follow those up. As a 'reference point', am I thinking what the Heisenberg Formalism is what it is - ie unitary evolution of the operators rather than the wavefunction (that, of course, being the Schrodinger formalism)?
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles.
Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated...
Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/
by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
According to recent podcast between Jacob Barandes and Sean Carroll, Barandes claims that putting a sensitive qubit near one of the slits of a double slit interference experiment is sufficient to break the interference pattern. Here are his words from the official transcript:
Is that true?
Caveats I see:
The qubit is a quantum object, so if the particle was in a superposition of up and down, the qubit can be in a superposition too. Measuring the qubit in an orthogonal direction might...