Introduction
As there are several versions of string theory, there are also different types of strings. These structures, which are incredibly small, are thought to be the most fundamental structures of matter. Physicists believe that strings If atoms and quarks were thought to be the smallest structures and discovered to not actually the most fundamental structures, then can’t there be a structure smaller than a string? Can there always be a smaller structure then the one we know? To find out, we must first understand the types of strings.
Open Strings
Open strings are simply one-dimensional structures that have two endpoints. Thus, an open string can be thought of as a line that has the capability of moving flexibly. These open strings can create an array of vibrational patterns.
Closed Strings
Closed strings are one-dimensional structures that lack endpoints; therefore, equating them with flexible circles. These closed strings are typically the traditional representation of strings.
Heterotic Strings
Heterotic strings are a combination between bosonic strings and superstrings. Bosonic strings occupy twenty-six dimensions, while superstrings occupy ten dimensions. So, counterclockwise vibrational patterns of heterotic strings deal with twenty-six dimensions, while clockwise vibrational patterns deal with ten dimensions. This interesting fact ultimately means that sixteen dimensions have to be condensed into circular lattices or circle-like packages.
Sources and Links
- “The Theory of Strings: A Detailed Introduction.” Viewed: August 2004. < http://theory.tifr.res.in/~mukhi/Physics/string2.html >.
- “Open String.” Wikipedia.org. Viewed: August 2004. < http://en.wikipedia.org/wiki/Open_string >.
- “Closed String.” Wikipedia.org. Viewed: August 2004. < http://en.wikipedia.org/wiki/Closed_string >.
- “Heterotic String.” Wikipedia.org. Viewed: August 2004. < http://en.wikipedia.org/wiki/Heterotic_string >.
