In string theory, elementary particles like electrons are described as vibrating strings. According to the theory, these strings are considered fundamental and indivisible entities, unlike the concept of particles as point-like objects in traditional particle physics.
In string theory, an electron would be represented by a single string that vibrates in a particular pattern. The different vibrational modes of the string correspond to various particle properties, such as mass, charge, and spin. The specific vibrational pattern of the string determines the particle's identity and characteristics.
It's important to note that string theory suggests that these strings are incredibly tiny, with a length scale on the order of the Planck length (about 10^-35 meters). Due to their small size, they are beyond the reach of current experimental detection.
In some formulations of string theory, there are additional extended objects called "branes" that can exist alongside the fundamental strings. Branes are higher-dimensional objects on which the strings can end or attach. In certain scenarios, multiple strings may connect or overlap on a brane, leading to the appearance of multiple strings together. However, the basic building blocks in string theory are the individual strings, and the idea of a single electron being composed of multiple strings is not a typical interpretation within the theory.
It's important to note that string theory is a complex and mathematically intricate framework that is still an area of active research. As such, various formulations and interpretations exist, and different string theorists may hold different perspectives on specific aspects of the theory.