What base to classify different string theory?

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Thread starter fxdung
Start date Aug 26, 2016
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Base String String theory Theory

In summary, string theory is the idea that all particles in the universe are made of tiny strings and that gravity is a byproduct of the curvature of space and time caused by these strings. There are different types of string theories, including bosonic string theory, superstring theory, and M-theory, and they are classified based on the dimensions they require and the particles they predict. Although there is currently no experimental evidence to support string theory, many physicists believe it has the potential to unify the fundamental forces of nature and provide a deeper understanding of the universe.

Aug 26, 2016

fxdung

I do not know why can they classify 5 theories of superstring.Is that correct that they base on different symmetries?

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Aug 28, 2016

haushofer

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They are motivated because of different boundary conditions one can impose. This gives different theories, which however are related by dualities.

Related to What base to classify different string theory?

1. What is the fundamental premise of string theory?

The fundamental premise of string theory is that all particles in the universe are made up of tiny, vibrating strings instead of being point-like objects.

2. How does string theory explain gravity?

String theory proposes that gravity is not a force between masses, but rather a byproduct of the curvature of space and time caused by the mass of the strings. This is known as the theory of general relativity.

3. Are there different types of string theories?

Yes, there are several different types of string theories, including bosonic string theory, superstring theory, and M-theory. Each type has its own unique properties and equations.

4. How do scientists classify different string theories?

Scientists classify string theories based on the number of dimensions they require and the type of particles they predict. The most widely accepted version of string theory is known as superstring theory, which requires 10 dimensions.

5. Is there any experimental evidence to support string theory?

Currently, there is no direct experimental evidence to support string theory. However, many physicists believe that it has the potential to unify all the fundamental forces of nature and provide a more complete understanding of the universe.