Nick V
- 58
- 2
In string theory/M theory, there are two types of strings, open and closed strings. What kind of strings are fermions(electrons, quarks) made out of? Closed or open strings?
String theory and the M theory?
- Level: Graduate
- Thread starter Nick V
- Start date
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
1 reply · 2K views
Physics news on Phys.org
Discussion
Mentor
- 15,815
- 10,701
From the book The Trouble with Physics by Lee Smolin, the ends of open strings can represent charged particles and closed ones can represent the graviton. See page 106.
Similar threads
Undergrad LHC found no supersymmetry any alternatives to string theory
- kodama
- · Replies 12 ·
- Beyond the Standard Models
- Replies
- 12
Undergrad Unifying string theory and loop quantum gravity
- kodama
- · Replies 2 ·
- Beyond the Standard Models
- Replies
- 2
Graduate Basic Scheme and Fundamental Equations of String Theory
- masteralien
- · Replies 26 ·
- Beyond the Standard Models
- Replies
- 26
Undergrad String theory vs Quantum field theory
- KleinMoretti
- · Replies 1 ·
- Beyond the Standard Models
- Replies
- 1
Undergrad What is time in string/M-theory and Four-dimensionalism?
- kodama
- · Replies 1 ·
- Beyond the Standard Models
- Replies
- 1
Graduate String theory and locality of small dimensions
- marce
- · Replies 1 ·
- Beyond the Standard Models
- Replies
- 1
High School What is string theory and why was it developed?
- Physics_is_beautiful
- · Replies 10 ·
- Beyond the Standard Models
- Replies
- 10
Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?
- kodama
- · Replies 17 ·
- Beyond the Standard Models
- Replies
- 17
Graduate String theory: gravitons for closed strings vs. open strings
- zb23
- · Replies 1 ·
- Beyond the Standard Models
- Replies
- 1
Graduate Is M-Theory more fundamental than String Theory?
- S Beck
- · Replies 4 ·
- Beyond the Standard Models
- Replies
- 4