On Thursday, June 11, 2020 at 9:57:22 PM UTC-6, Brent wrote:
>
>
>
> On 6/11/2020 8:34 PM, Alan Grayson wrote:
>
> *Alternatively, you might approach this issue by discussing the alleged 
> violation of energy conservation by showing the interpretive flaw in the 
> time-energy form of the UP. Recently, I posed this issue to Brent, several 
> times; precisely, what this means since time isn't a quantum operator. What 
> does the "variance of time" mean in this context? But I never received a 
> reply, from anyone. AG *
>
>
> I thought I did reply to this by pointing to Asher Peres book "Quantum 
> Theory, Concepts and Methods".  It's available free online 
>
>
> https://www.academia.edu/35687651/Peres_-_Quantum_Theory_Concepts_and_Methods.pdf
>
> and has a good chapter discussing the problem of time.  The time-energy UP 
> applies to energy and* time as measured by a physical clock*, not by "t" 
> in the equation.
>
> Brent
>

Actually, I've downloaded it in the past, and will check out your 
reference. However, off the top of my head, I don't see the distinction 
between a physical clock and the "t" in the equation. AG  

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