- #1
meteor
- 940
- 0
I want to know how many Calabi-Yau manifolds there are in each of the 5 superstring theories. Can you point me in the right direction?
The exact number of Calabi-Yau manifolds in superstring theories is unknown, but it is estimated to be at least 10^500 (a number with 500 zeros). This is known as the "landscape" of string theory.
The large number of Calabi-Yau manifolds in superstring theories is significant because it allows for a wide range of possible solutions to the theory, providing a potential explanation for the observed diversity in our universe.
The existence of Calabi-Yau manifolds was first proposed by mathematician Eugenio Calabi in the 1950s, but they were later incorporated into superstring theories by physicists in the 1980s.
No, some Calabi-Yau manifolds are more likely to exist in our universe based on their properties and the specific parameters of our universe. This is still an area of active research in string theory.
In superstring theories, it is believed that our universe has 10 dimensions (9 spatial dimensions and 1 time dimension). The extra dimensions are thought to be "compactified" or curled up into tiny Calabi-Yau manifolds, which are responsible for the observed properties of our 3-dimensional space.