söndag 26 juli 2026

The Mantra of Standard Quantum Mechanics Deconstructed to Nil

A modern physicist educated in quantum mechanics, speaks about a wave function $\Psi (x,t)$ depending on a $3N$-dimensional spatial variable $x$ for an atomic system with $N$ electrons, and a time variable $t$, evolving in time according to the Schrödinger equation 

  • $i\frac{\partial\Psi}{\partial t}+H\Psi = 0$.      (S)
where $H$ is a Hamiltonian operator acting on $\Psi$. Given an initial state at $t=0$ a physicist can predict the state of any later state by time-stepping (S) from one instant of time to the next using (S).

So has time evolution of the wave function become the mantra of modern physics. In the article Unspeakable Quantum Mechanics we deconstruct this mantra and show it is empty and so misleading. Quantum mechanics is not about evolving (S) at femto/attoseconds rate of time, which is anyway impossible to compute. Read and contemplate. 

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