String Theory and the Universe’s Hidden Dimensions
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Alexander Markovich Polyakov - Alchetron, the free social encyclopedia
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Alexander Polyakov received the 2013 Breakthrough Prize in Fundamental Physics for his many discoveries in field theory and string theory. Watch his full acceptance speech here https://www.youtube.com/watch?v=YzpTZ6NqKo8&t=169s | Breakthrough
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Alexander Polyakov received the 2013 Breakthrough Prize in Fundamental Physics for his many discoveries in field theory and string theory. Watch his full acceptance speech here https://www.youtube.com/watch?v=YzpTZ6NqKo8&t=169s | Breakthrough
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String Theory Lecture 2In Conformal Gauge, the String Becomes a Wave EquationEpisode 1 showed the geometric jumppoint particle -> worldlinestring -> worldsheetEpisode 2 is the dynamical jump.The Nambu-Goto action measures the area of the worldsheet,S = −T ∫ dτ dσ √[−det hₐᵦ]but the square-root determinant is awkward to work with. So we usually rewrite the same classical theory in Polyakov form,S = −(T/2) ∫ dτ dσ √[−γ] γᵃᵇ ∂ₐXᵘ ∂ᵦXᵤHere Xᵘ(τ,σ) tells us where each point of the string’s worldsheet
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