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Old 04-05-2018, 09:50 PM   #1
Topper
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Default Second big bang will end this universe?

http://www.businessinsider.de/big-ba...18-4?r=US&IR=T

Quote:
Our universe may end the same way it was created: with a big, sudden bang.
That's according to new research from a group of Harvard physicists, who found that the destabilization of the Higgs boson — a tiny quantum particle that gives other particles mass — could lead to an explosion of energy that would consume everything in the known universe and upend the laws of physics and chemistry.
What do you think?
is this a professional sounding theorie?
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Old 04-06-2018, 07:55 AM   #2
RisingFury
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Quoting the abstract of the paper:

Quote:
In a classically scale-invariant quantum field theory, tunneling rates are infrared divergent due to the existence of instantons of any size. While one expects such divergences to be resolved by quantum effects, it has been unclear how higher-loop corrections can resolve a problem appearing already at one loop. With a careful power counting, we uncover a series of loop contributions that dominate over the one-loop result and sum all the necessary terms. We also clarify previously incomplete treatments of related issues pertaining to global symmetries, gauge fixing, and finite mass effects. In addition, we produce exact closed-form solutions for the functional determinants over scalars, fermions, and vector bosons around the scale-invariant bounce, demonstrating manifest gauge invariance in the vector case. With these problems solved, we produce the first complete calculation of the lifetime of our Universe:
10^139 years. With 95% confidence, we expect our Universe to last more than 10^58 years. The uncertainty is part experimental uncertainty on the top quark mass and on Alpha-s and part theory uncertainty from electroweak threshold corrections. Using our complete result, we provide phase diagrams in the mt/mh and the mt/Alpha-s planes, with uncertainty bands. To rule out absolute stability to 3σ confidence, the uncertainty on the top quark pole mass would have to be pushed below 250 MeV or the uncertainty on Alpha-s(mZ) pushed below 0.00025.
The paper itself doesn't talk about the end of the universe, but the stability of the standard model. The claim is that the standard model is only meta-stable and that it'll change over time, but that it'll take a long time and that the change might be sudden. The paper and the physics in it are far beyond me, so I don't know. But I do know that news about such things gets sensationalized.
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Old 04-06-2018, 08:05 AM   #3
Urwumpe
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Such news articles are always just atom diameters away from "WITCHCRAFT! BURN THE WITCHES!"
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Old 04-06-2018, 07:26 PM   #4
Anroalh12
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And if we are an elementary particle of another universe and that universe is an elementary....?

Simulation hypothesis is the answer guys.
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Old 04-06-2018, 07:46 PM   #5
Linguofreak
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Quote:
Originally Posted by Anroalh12 View Post
 And if we are an elementary particle of another universe and that universe is an elementary....?

Simulation hypothesis is the answer guys.
My reply is in the Basement:

https://www.orbiter-forum.com/showth...752#post574752
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