May 13, 2023 · Usually states and observables are treated as fundamentally different entities in quantum theory. But are they really different? A state can always be represented by a density …

Jan 28, 2018 · The discussion revolves around the distinction between the observable universe and the entire universe, exploring concepts related to cosmology, the Big Bang, and the implications of …

Dec 13, 2015 · The radius of the observable universe is about 46 billion light years, which is considerably greater than its age of about 14 billion years.

Mar 4, 2021 · The discussion revolves around discrepancies in the observable canonical form of a control system as computed by MATLAB's canon function compared to manual calculations. …

Mar 16, 2008 · The discussion centers on whether every observable commutes with the Hamiltonian in quantum mechanics, exploring theoretical implications, specific examples, and the conditions under …

Mar 8, 2006 · The discussion revolves around the nature of what lies beyond the observable universe, exploring concepts of infinity, the possibility of multiple universes, and the implications of current …

Sep 6, 2021 · A theory is allowed to make non-observable statements, as long as it also makes some observable statements. The problem appears when we have two (or more) theories which make the …

Jan 31, 2017 · Some participants propose that the expectation value of an observable can be calculated using the integral involving the wavefunction and the operator, but question which wavefunction …

Nov 19, 2017 · The following is one chapter in a series on Mathematical Quantum Field Theory. The previous chapter is 6. Symmetries. The next chapter is 8. Phase space. 7. Observables In this …

Jul 7, 2012 · In classical physics, all observables commute and the commutator would be zero. However this is not true in Quantum Mechanics, observables like position and momentum (time and …