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The String Theory The String Theory

The String Theory - PowerPoint Presentation

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Uploaded On 2017-09-18

The String Theory - PPT Presentation

The Universality of Physics By Won S Oh Spatial Dimensions in Physics Dimension 0 th 1 st 2 nd 3 rd 4 th A dot A line A square A cube A tesseract cubic world with time ID: 588823

modern physics string theory physics modern theory string mechanics forces particles world founded quantum

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Slide1

The String Theory

The Universality of Physics

By: Won S. OhSlide2

Spatial Dimensions in Physics

Dimension

0

th

1st2nd3rd4thA dotA lineA squareA cubeA tesseract—cubic world with “time”Slide3

The Physical Forces – Fundamental interactions

Interactions

Current Theory

Mediators

Relative StrengthLong distance BehaviorRange (m)StrongQuantum Chromodynamics (QCD)gluons102811.4 * 10-15

Electromagnetic (EM)

Quantum Electrodynamics (QED)photons

10

361/r21045

Weak

Electroweak

W & Z Bosons1025e–m W,Z r/r10-17GravitationGeneral Relativitygravitons11/r2INFINITY

http://hyperphysics.phy-astr.gsu.edu/hbase/forces/funfor.htmlSlide4

The Accidental Discovery

Gabriele Veneziano, an Italian theoretical physicist in CERN, “accidentally” founded the field of string theory while going through the Euler’s mathematical functions.Slide5

Particles

What are particles?Mainly viewed as points (0

th

Dimension)Slide6

Classical Mechanics

Newton, the significant contributorBased on Observations

Explained how our “world” functions

Calculus founded for calculations

Modern PhysicsSlide7

THE MODERN PHYSICS – Dealing with the microscopic world

The modern physics required something “new”

General Relativity

Quantum Mechanics

Condensed MatterNuclear and Atomic PhysicsSlide8

Particles… Again

Instead of dotsThe StringsSlide9

The Contributors to String Theory

Michael DuffMichael Green

Brian Greene

Alexander

PolyakovGabriele VenezianoPlease also read