Grand unification reminds us of the maxwells theroy of electromagnetism in 19th century which particularly deals with unification of electric and magnetic forces. But this doesnot implies that GUT deals with the physical implications and mathematical structures of maxwells theory.They are qualitatively different in every aspect.
INTRODUCTION String theory is a developing theory in particle physics which attempts to reconcile quantum mechanics and general relativity . String Theory , sometimes called the Theory of Everything, is thought by some to be the unifying field theory Einstein sought before his death. String theory is the first mathematically sound theory that reconciles the world of the infinitesimally small, with the world we know at large. It unites Einstein’s Theory of Relativity with quantum physics and offers a potential explanation for the Big Bang. What's string theory? String theory posits that the electrons and quarks within an atom are not 0-dimensional objects, but rather 1-dimensional oscillating lines ("strings"), possessing only the dimension of length, but not height or width. The theory poses that these strings can vibrate, thus giving the observed particles their flavor , charge , mass and spin. History of String Theory Gabriele Veneziano, a research fello...
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