Radius of the Observable Universe in Light-years Is Greater than …
2015年12月13日 · 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
2017年11月19日 · 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. …
Is the Universe Finite, or Is It Infinite? - Physics Forums
2024年3月16日 · The observable universe refers to the portion of the universe that we can see or detect, limited by the finite time light has traveled since the Big Bang. It has a finite volume.
States & Observables: Are They Really Different? • Physics Forums
2023年5月13日 · 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?
2021年3月4日 · 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
2012年10月4日 · '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 …
The Universe vs Observable Universe • Physics Forums
2018年1月28日 · 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 …
What is the size of the observable universe relative to CMBR
2016年6月6日 · 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 …
What is the projection postulate in quantum mechanics?
2006年2月16日 · Hi, I really need help solving this problem, can you pleasez help me with it? Here is the problem: An operator A, representing observable A, has two normalized …
How wide is the observable horizon, at sea level? - Physics Forums
2015年3月27日 · The discussion centers on calculating the width of the observable horizon at sea level, emphasizing that the horizon is 360 degrees around an observer unless obstructed. The …