Hidden dimension in string theory

Thread starter DualInv
Start date Dec 12, 2012
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Dimension String String theory Theory

In summary, string theory proposes the existence of six hidden dimensions beyond the four dimensions we experience in our everyday lives. These dimensions are thought to be compactified at a subatomic scale, making them undetectable to us. This has significant implications for our understanding of the universe, including the potential unification of fundamental forces and explanation of quantum mechanics and the Big Bang. While we cannot directly observe these hidden dimensions currently, scientists are working on indirect methods to detect their effects on our observable universe.

Dec 12, 2012

DualInv

Hey guys,
who can tell me briefly about the 10+1 dimensions in the string theory? I am going to deliver a short presentation on string theory ,but i am not very clear about the reason that we have to introduce 11dimendion to string theory ...

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Dec 12, 2012

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This may be helpful: https://www.physicsforums.com/blog.php?bt=6149

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Dec 12, 2012

Devils

http://en.wikipedia.org/wiki/M-theory

1. What is the hidden dimension in string theory?

The hidden dimension in string theory refers to additional dimensions beyond the three spatial dimensions (length, width, and height) and one time dimension that we experience in our everyday lives. These extra dimensions are believed to be compactified, or curled up, at a subatomic level, making them undetectable to us.

2. How many hidden dimensions are there in string theory?

String theory predicts the existence of six additional hidden dimensions, for a total of ten dimensions. These dimensions are thought to be much smaller than the dimensions we can perceive, with a size on the scale of 10^-33 centimeters.

3. Why are the extra dimensions in string theory hidden?

The extra dimensions in string theory are hidden because they are believed to be compactified, or curled up, at a subatomic scale. This means that they are too small for us to detect with our current technology and understanding of the universe.

4. How do the hidden dimensions in string theory affect our understanding of the universe?

The existence of hidden dimensions in string theory has profound implications for our understanding of the universe. It allows for the unification of the four fundamental forces of nature (gravity, electromagnetism, strong and weak nuclear forces) and provides a potential framework for explaining the mysteries of quantum mechanics and the Big Bang.

5. Can we ever directly observe the hidden dimensions in string theory?

At this point in time, it is not possible to directly observe the hidden dimensions in string theory due to their small size and the limitations of our technology. However, some scientists are working on experiments to indirectly detect their effects on our observable universe, such as through the study of gravitational waves or dark matter.