Exploring String Theory: Open and Closed Strings

Click For Summary

Discussion Overview

The discussion revolves around the concepts of open and closed strings in string theory, exploring their characteristics and relationships to other concepts such as world lines and loops. The scope includes theoretical aspects and references to existing literature.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions whether open strings can be likened to world lines and closed strings to loops.
  • Another participant shares a link to a Google image search related to open and closed strings, suggesting a visual representation of the concepts.
  • A participant inquires if the perspective on string shapes aligns with the views presented in the Green, Schwartz, Witten superstring theory volume 2.
  • A later reply humorously notes the irony of the Google search link leading back to the forum page itself.

Areas of Agreement / Disagreement

The discussion does not appear to reach a consensus, as participants raise different questions and points of view without resolving the comparisons between open and closed strings.

Contextual Notes

Participants reference specific literature and visual representations, but the discussion lacks detailed definitions and may depend on varying interpretations of string theory concepts.

PGaccount
Messages
85
Reaction score
25
are open strings like world lines? and closed strings like loops?
 
Physics news on Phys.org
Dibujo20150803-world-sheets-open-strings-closed-strings-string-theory-Zwiebach.png


From https://www.google.com/search?safe=...0k1j0i24k1.0.oYFwSZDIBDw#imgrc=Q_zxTiQeY4_0IM:
 

Attachments

  • Dibujo20150803-world-sheets-open-strings-closed-strings-string-theory-Zwiebach.png
    Dibujo20150803-world-sheets-open-strings-closed-strings-string-theory-Zwiebach.png
    9.6 KB · Views: 1,649
Is this the point of view in Green, Schwartz, Witten superstring theory volume 2?
 
Heh heh! I wanted to know where that picture of string shapes came from. Clicking on the Google search link produces the first hit being this very page. LOL!
 

Similar threads

Graduate String theory: gravitons for closed strings vs. open strings
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Unifying string theory and loop quantum gravity
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad String theory vs Quantum field theory
  • · Replies 1 ·
Replies
1
Views
3K
High School On a basic level why aren't loops ##\equiv## strings?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Basic Scheme and Fundamental Equations of String Theory
  • · Replies 26 ·
Replies
26
Views
4K
High School Looking for help understanding string theory
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Roughly how many people in this world actually know about string theory?
  • · Replies 10 ·
Replies
10
Views
4K
High School Vibration Patterns of Strings within Quarks?
  • · Replies 1 ·
Replies
1
Views
3K
High School Balancing theories and empirical data, especially concerning string theory
  • · Replies 47 ·
2
Replies
47
Views
9K
High School Size of strings in string theory
  • · Replies 11 ·
Replies
11
Views
4K