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originally posted by: dragonridr
www.newscientist.com...
Your source says there is some controversy about that claim:
originally posted by: dragonridr
Ok take a valium youll be ok so what do you think is wrong with inflation. Now we indeed know the casimir effect occurs which tells us there is vacuum energy see here.
en.wikipedia.org...
It refers to this paper:
This force has been measured, and is a striking example of an effect captured formally by second quantization.[3][4] However, the treatment of boundary conditions in these calculations has led to some controversy. In fact "Casimir's original goal was to compute the van der Waals force between polarizable molecules" of the metallic plates. Thus it can be interpreted without any reference to the zero-point energy (vacuum energy) or virtual particles of quantum fields.
So, what is the resolution to this controversy?
In discussions of the cosmological constant, the Casimir effect is often invoked as decisive evidence that the zero point energies of quantum fields are "real''. On the contrary, Casimir effects can be formulated and Casimir forces can be computed without reference to zero point energies.
See the source for correct subscripts and superscripts format of the last part of that quote which doesn't show up right here.
the interaction between the electron and the vacuum (which is not accounted for by the Dirac equation) causes a tiny energy shift which is different for states 2S1/2 and 2P1/2
If nothing really contains only nothing, then how do you explain the Lamb Shift?
originally posted by: ImaFungi
If nothing = nothing. Their entire theory can then be discarded, because it is based on a faulty premise, attempting to balance an equation, where the result they are attempting to achieve is an impossible result/answer. You and they are wrong.
Where did God come from?
originally posted by: KrzYma
God did it, is even more believable, something did something from nothing
Where did God come from?
originally posted by: Arbitrageur
If nothing really contains only nothing, then how do you explain the Lamb Shift?
Semantics counts here. We don't say nothing is not nothing. We say that what we naively once thought was empty space turns out to have properties which makes it appear to not be completely empty. This idea has been around for a long time in different forms, when people thought there was a luminiferous ether for example. Now we have concepts like space-time and zero-point or vacuum energy.
Maybe you have another explanation for the lamb shift that doesn't involve vacuum energy, but if so you should prove to everyone else that you're right, instead of just claiming everybody else is wrong, shouldn't you?
originally posted by: KrzYma
a reply to: Arbitrageur
Where did God come from?
from the same Big Bang came out, human minds who though thy know how it works, both just humans ignorance
BTW, if somebody tells me, the proof of the big bang, is that uncertainty is always bigger or equal to a number that came out of black body radiation measurements and therefore from nothing and no radiation this value is not nothing... just think about it.. I tell you, God has more chance to exist than big bang, infinite is useful you know.
originally posted by: ImaFungi
originally posted by: Arbitrageur
If nothing really contains only nothing, then how do you explain the Lamb Shift?
Semantics counts here. We don't say nothing is not nothing. We say that what we naively once thought was empty space turns out to have properties which makes it appear to not be completely empty. This idea has been around for a long time in different forms, when people thought there was a luminiferous ether for example. Now we have concepts like space-time and zero-point or vacuum energy.
Maybe you have another explanation for the lamb shift that doesn't involve vacuum energy, but if so you should prove to everyone else that you're right, instead of just claiming everybody else is wrong, shouldn't you?
I never claimed that nothing had any impact on physical phenomenon (though I did consider that it may, if the components of the material universe exist in a space of nothing, and must exert 'extra' energy to stay connected to components over the distance of a real distance/space of nothingness). Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
originally posted by: Arbitrageur
a reply to: KrzYma
Maybe you should study the big bang theory some more. I've seen it predict a lot of things, but a deity isn't one of them.
As for inflation theory, I was a little skeptical about that myself but am less skeptical with more observations to support it.
Found: evidence of cosmic inflation: Proof of the big bang?
In fact a lot of people thought inflation theory was contrived at first. It's only with the accumulation of evidence to support it that it has become more and more accepted.
originally posted by: dragonridr
originally posted by: ImaFungi
originally posted by: Arbitrageur
If nothing really contains only nothing, then how do you explain the Lamb Shift?
Semantics counts here. We don't say nothing is not nothing. We say that what we naively once thought was empty space turns out to have properties which makes it appear to not be completely empty. This idea has been around for a long time in different forms, when people thought there was a luminiferous ether for example. Now we have concepts like space-time and zero-point or vacuum energy.
Maybe you have another explanation for the lamb shift that doesn't involve vacuum energy, but if so you should prove to everyone else that you're right, instead of just claiming everybody else is wrong, shouldn't you?
I never claimed that nothing had any impact on physical phenomenon (though I did consider that it may, if the components of the material universe exist in a space of nothing, and must exert 'extra' energy to stay connected to components over the distance of a real distance/space of nothingness). Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
Remember earlier when i said we found space to have properties in itself. Where i even wondered if you could compress space to a quantum point? Still thinking on that one what would happen any way about the lamb shift electrons continually exchanged photons this being the mechanism by which the electromagnetic force is created. The effect of the continuous emission and absorption of photons on the electron g-factor or spin could be measured this was his experiment.
adsabs.harvard.edu...
Now did it take nothing into account in the equation well it shows we can never truly have nothing in the fact its a verifiable prediction made by QFT so im not sure how to answer that.
originally posted by: dragonridr
Just so your clear the Big bang and inflation are not the same thing both have different results. In fact inflation explains alot the big bang just cant.
It refers to vaccuum energy, something which you said doesn't exist. So to answer your question, from my perspective where vacuum energy exists and s not "nothing" then no, the use of vacuum energy is not "nothing".
originally posted by: ImaFungi
Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
originally posted by: ImaFungi
originally posted by: dragonridr
originally posted by: ImaFungi
originally posted by: Arbitrageur
If nothing really contains only nothing, then how do you explain the Lamb Shift?
Semantics counts here. We don't say nothing is not nothing. We say that what we naively once thought was empty space turns out to have properties which makes it appear to not be completely empty. This idea has been around for a long time in different forms, when people thought there was a luminiferous ether for example. Now we have concepts like space-time and zero-point or vacuum energy.
Maybe you have another explanation for the lamb shift that doesn't involve vacuum energy, but if so you should prove to everyone else that you're right, instead of just claiming everybody else is wrong, shouldn't you?
I never claimed that nothing had any impact on physical phenomenon (though I did consider that it may, if the components of the material universe exist in a space of nothing, and must exert 'extra' energy to stay connected to components over the distance of a real distance/space of nothingness). Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
Remember earlier when i said we found space to have properties in itself. Where i even wondered if you could compress space to a quantum point? Still thinking on that one what would happen any way about the lamb shift electrons continually exchanged photons this being the mechanism by which the electromagnetic force is created. The effect of the continuous emission and absorption of photons on the electron g-factor or spin could be measured this was his experiment.
adsabs.harvard.edu...
Now did it take nothing into account in the equation well it shows we can never truly have nothing in the fact its a verifiable prediction made by QFT so im not sure how to answer that.
Ok, so why are we even talking about nothing? Because the video you posted claimed that everything came from nothing, I think thats why.
originally posted by: dragonridr
originally posted by: ImaFungi
originally posted by: dragonridr
originally posted by: ImaFungi
originally posted by: Arbitrageur
If nothing really contains only nothing, then how do you explain the Lamb Shift?
Semantics counts here. We don't say nothing is not nothing. We say that what we naively once thought was empty space turns out to have properties which makes it appear to not be completely empty. This idea has been around for a long time in different forms, when people thought there was a luminiferous ether for example. Now we have concepts like space-time and zero-point or vacuum energy.
Maybe you have another explanation for the lamb shift that doesn't involve vacuum energy, but if so you should prove to everyone else that you're right, instead of just claiming everybody else is wrong, shouldn't you?
I never claimed that nothing had any impact on physical phenomenon (though I did consider that it may, if the components of the material universe exist in a space of nothing, and must exert 'extra' energy to stay connected to components over the distance of a real distance/space of nothingness). Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
Remember earlier when i said we found space to have properties in itself. Where i even wondered if you could compress space to a quantum point? Still thinking on that one what would happen any way about the lamb shift electrons continually exchanged photons this being the mechanism by which the electromagnetic force is created. The effect of the continuous emission and absorption of photons on the electron g-factor or spin could be measured this was his experiment.
adsabs.harvard.edu...
Now did it take nothing into account in the equation well it shows we can never truly have nothing in the fact its a verifiable prediction made by QFT so im not sure how to answer that.
Ok, so why are we even talking about nothing? Because the video you posted claimed that everything came from nothing, I think thats why.
No you misunderstood the video its trying to show you you can never truly have nothing there is always something even it what we perceive as empty space. Or to put it simply everywhere in the universe has something its energy is just so low its hard for us to see it. But as Einstein tells us energy is matter and matter is energy they are completely interchangeable. When you look at it this way you can see how energy can be exchanged for matter.It all comes down to field fluctuations i guess we have to discuss fields and there properties next if you want to continue?
originally posted by: Arbitrageur
It refers to vaccuum energy, something which you said doesn't exist. So to answer your question, from my perspective where vacuum energy exists and s not "nothing" then no, the use of vacuum energy is not "nothing".
originally posted by: ImaFungi
Does the Lamb Shift incorporate 'nothing' into its equations/calculations?
From your perspective, I don't know. That's why I asked how you made sense out of it while denying vacuum energy exists.
originally posted by: ErosA433
a reply to: ImaFungi
Actually Vacuum implies a lack of particles. A volume that is devoid of matter. fields are just fine.
originally posted by: ErosA433
Well, the properties you describe are properties of space. The big bang was the creation and expansion OF space. This is commonly misunderstood as we have lots of our own ideas of how things explode and expand IN space, but the very idea of space itself expanding is a little alien to most.
Before the big bang, well given that space didn't actually exist, thus everything with spacial properties didn't exist either.