Physics, supersymmetry (SuSy) and string theory

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An update on the failure of 'supersymmetry' in Physics

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 Physics, supersymmetry (SuSy) and string theory


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  • How world changed: In the past few centuries, advancemente in physics transformed humanity's daily life and world history, as products ranging from electricity to nuclear bombs emerged.
  • Age of the Universe: On a cosmic scale, a universe once thought to be a few thousand years old, and to consist of a handful of orbs circling Earth against a fixed backdrop of stars, was shown to have an age of 13.77 billion years. That universe may also be infinite in size. Certainly it stretches at least as far as the distance that light can have travelled in the period since its birth.
  • Looking into the atoms: Physics has turned the atom into an object to be trapped, observed, put to work and split. It can produce energy. Physics has assembled a catalogue of the components of these atoms and of the components of some of those components. It also has put up a list of the forces that hold everything together.
  • Supersymmetry: Physicists always believed that that mathematical theories can be turned into good representations of reality, producing understanding of the world around us. One discovery based on maths that physicists were confident of making, was of a phenomenon called Supersymmetry
  1. It gives coherence to the current, ad hoc explanation of the world of fundamental particles that has been collected since the 1890s.
  2. Supersymmetry is a starting point for a deeper idea called the "string theory", which says that everything is ultimately made of infinitesimally small objects (that can be thought of as taut, vibrating strings)
  • Bad turn of events: Most physicists were sure of this being proved. Supersymmetry’s existence could not be experimentally proved as no machine powerful enough to test its predictions existed. But then came the Large Hadron Collider (LHC), near Geneva. Sadly, the particles predicted by Supersymmetry are not being found.
  • So is supersymmetry and string theory wrong: Perhaps, yes. So new "theories of everything" are trying to fill the vacuum left by string theory’s implosion. One seeks to overturn the principle of causality. Another suggests that everything in the universe really is connected to everything else, and that it is from this simultaneous connection of all with all that the fabric of reality emerges. Time and space are, on this view, not fundamentals of nature, but the effects of deeper processes.
  • What next: Physicists are grappling with the true nature of reality, and just like some unexplained anomalies were starting points for both quantum theory and relativity, it is possible that what has seemed one of physics’s darkest periods (failure of supersymmetry) is about to brighten into a new revelation.
  • EXAM QUESTIONS: (1) Explain the concept of supersymmetry in Physics. (2) What is the standard model of Physics? Explain. (3) In what ways did Relativity and Quantum Physics change the world? Explain.

#Supersymmetry #QuantumPhysics #StandardModelofPhysics #LHC

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PT's IAS Academy: Physics, supersymmetry (SuSy) and string theory
Physics, supersymmetry (SuSy) and string theory
An update on the failure of 'supersymmetry' in Physics
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