Matrix string theory, contact terms, and superstring field theory

In summary, a recent paper on second quantized string field theory has provided new insights and implications for future models. While this initial reading appears sound, there may be further questions to be addressed. The paper also mentions "Baez type" explanations for some matrix theory statements, particularly the concept of "irrelevant fields" and the scaling argument surrounding them.
  • #1
ranyart
370
0
A recent paper details some new insights for the second quantized
string field theory.

This has some implications for future models, it appears to be quite sound, but this is based on a confined early viewpoint of a first once over reading, no doubt there will be more questions to follow.


http://uk.arxiv.org/abs/hep-th/0309238
 
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  • #2
Very nice paper. I wonder if we could get some "Baez type" explanations of some of the matrix theory statements in the paper. They don't seem impossibly deep, but I for one could use some context with them. For starters, how about the "irrelevant fields" Oni and the scaling argument surrounding them.
 
  • #3
The expression learn to crawl before attempting to sprint comes to mind.
 

What is matrix string theory?

Matrix string theory is a theoretical framework that attempts to reconcile two previously incompatible theories: quantum mechanics and general relativity. It proposes that the fundamental building blocks of the universe are not particles, but rather one-dimensional strings that vibrate at different frequencies. These strings are represented by matrices, hence the name "matrix string theory."

What are contact terms in string theory?

Contact terms in string theory refer to interactions between two strings that occur at the same point in space and time. These interactions are typically non-local, meaning they cannot be described by a local Lagrangian. Contact terms are important in understanding the behavior of strings and their interactions.

What is superstring field theory?

Superstring field theory is a mathematical framework that aims to describe the behavior of strings in a unified manner. It combines the principles of supersymmetry, which posits that every particle has a superpartner, and string theory, which describes the universe in terms of vibrating strings. Superstring field theory is still a work in progress, and researchers are constantly refining and expanding the theory.

How does matrix string theory relate to superstring field theory?

Matrix string theory and superstring field theory are both attempts to unify quantum mechanics and general relativity. They both propose that the fundamental building blocks of the universe are strings, and both use mathematical tools such as supersymmetry and matrices to describe their behavior. However, they differ in their approach and mathematical formalism.

What are the implications of these theories for our understanding of the universe?

These theories have the potential to revolutionize our understanding of the universe. They offer a potential solution to the long-standing problem of reconciling quantum mechanics and general relativity, and they provide a framework for describing the behavior of the universe at its most fundamental level. If these theories are proven to be correct, it would greatly advance our understanding of the laws of physics and potentially open up new avenues for technological innovation.

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