String Theory : Is our universe even in the landscape?

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String Theory : Is our universe even in the landscape?

Postby hyksos on August 10th, 2018, 4:16 pm 

String Theory depicts a vast panoply of various universes , each having different laws of physics, in what physicists call the "String Landscape". It was naturally assumed that our universe must be in that landscape somewhere.

Cumrun Vafa , ( a string theorist from Harvard) has been combing through the landscape for 13 years, and during that time has succeeded in producing strong bounds on what is possible in any universe. Recently Vafa had an epiphany that nobody expected : Despite the vast possibilities afforded by String Theory, our universe may not even be in the landscape at all. His recent paper detailing this problem has shook the physics community to its foundations, and heated controversy now swirls around the claims made in the paper.

Physicists are already lining up on different sides. Some are responding with indignation, while others claim they "knew it all along".

Dark Energy May Be Incompatible With String Theory
9 August 2018
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