Radius of the Observable Universe in Light-years Is Greater than …
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. The radius of the observable …
Learn Observables in Mathematical Quantum Field Theory
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 …
What is the projection postulate in quantum mechanics?
Feb 16, 2006 · The discussion centers on the projection postulate in quantum mechanics, which states that after measuring an observable, the system collapses into the eigenstate associated …
States & Observables: Are They Really Different? • Physics Forums
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 …
Why is it giving me different observable canonical form?
Mar 4, 2021 · The discussion centers on discrepancies between the observable canonical form calculated manually and the results obtained using MATLAB's canon function. Users express …
Hermitian operator <=> observable? - Physics Forums
Oct 4, 2012 · 'Observable' is simply a name; it means that there is an hermitean operator with real eigenvalues which can in principle correspond to results of measurements. If you don't like this …
The Boundary of the Observable Universe - Physics Forums
Nov 3, 2024 · In a recent discussion on the Cosmological Redshift in Simulated Universe thread, I claimed that the boundary of the observable universe is the particle horizon, that objects could …
The Universe vs Observable Universe • Physics Forums
Jan 28, 2018 · The discussion clarifies the distinction between the observable universe and the entire universe, emphasizing that the observable universe is limited by the speed of light and …
Why observables are represented as operators in QM?
Jul 25, 2019 · Can somebody provide an explanation why the dynamical variables/observables are represented in QM as linear operators with the measured values being eigenvalues of …
What is the size of the observable universe relative to CMBR
Jun 6, 2016 · The observable universe is always time dependent. An observer who 'now' appears to be 10 billion light years distant from us would have been observing a universe 10 billion …