String Theory: Multiverse & Dimensions

Gold Barz
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Does it include multiple universes? and does each universe have to be in different dimensions like our universe right now is 3D (not including time) or 4D (including time) can there be another one or two or one hundred other 3D/4D universe?
 
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And does the String Theory include Hyperspace?
 
hello? anybody?
 
https://www.physicsforums.com/journal.php?s=&action=view&journalid=13790&perpage=10&page=4

all the answers to your questions are in the above link. Just read the text with the title : introduction to string theory part 1,2 and 3...all is in there.

It will answer questions like why extra dimensions, what do they represent and how can we possibly "see" those extra dimensions...

marlon
 
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Thanks alot...now this link works
 
Thread 'LQG Legend Writes Paper Claiming GR Explains Dark Matter Phenomena'

Thread 'LQG Legend Writes Paper Claiming GR Explains Dark Matter Phenomena'

A new group of investigators are attempting something similar to Deur's work, which seeks to explain dark matter phenomena with general relativity corrections to Newtonian gravity is systems like galaxies. Deur's most similar publication to this one along these lines was: One thing that makes this new paper notable is that the corresponding author is Giorgio Immirzi, the person after whom the somewhat mysterious Immirzi parameter of Loop Quantum Gravity is named. I will be reviewing the...
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Thread 'Detecting Gravitons?'

I seem to notice a buildup of papers like this: Detecting single gravitons with quantum sensing. (OK, old one.) Toward graviton detection via photon-graviton quantum state conversion Is this akin to “we’re soon gonna put string theory to the test”, or are these legit? Mind, I’m not expecting anyone to read the papers and explain them to me, but if one of you educated people already have an opinion I’d like to hear it. If not please ignore me. EDIT: I strongly suspect it’s bunk but...
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Thread 'Gravitational self-interaction: another attempt to replace Dark Matter'

https://arxiv.org/pdf/2503.09804 From the abstract: ... Our derivation uses both EE and the Newtonian approximation of EE in Part I, to describe semi-classically in Part II the advection of DM, created at the level of the universe, into galaxies and clusters thereof. This advection happens proportional with their own classically generated gravitational field g, due to self-interaction of the gravitational field. It is based on the universal formula ρD =λgg′2 for the densityρ D of DM...
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