Do Matter and Antimatter Obey the Same Laws of Physics?

  • Context: Graduate 
  • Thread starter Thread starter Syed Ammar
  • Start date Start date
  • Tags Tags
    Antimatter
Click For Summary

Discussion Overview

The discussion centers on whether matter and antimatter obey the same laws of physics, exploring the implications of conservation laws and observed phenomena such as CP violation. The scope includes theoretical considerations and experimental observations.

Discussion Character

  • Debate/contested

Main Points Raised

  • One participant asserts that matter and antimatter do obey the same laws of physics.
  • Another participant suggests that the answer depends on the interpretation of "laws of physics," noting that if CPT symmetry is conserved, both obey the same laws, but if CPT is violated, they behave differently while still adhering to the laws of physics.
  • A further contribution highlights that "the laws of physics" apply to all types of matter, affirming that there are tiny differences between particles and their antiparticles, specifically referencing CP violation observed in experiments.
  • A participant acknowledges a mistake in terminology, clarifying that they intended to refer to CP violation.

Areas of Agreement / Disagreement

Participants express differing views on the interpretation of laws of physics in relation to matter and antimatter, with some agreeing on the existence of differences due to CP violation while others emphasize a broader agreement on the laws themselves. The discussion remains unresolved regarding the implications of CPT and CP violations.

Contextual Notes

The discussion involves nuances related to the definitions of laws of physics, the conditions under which CPT and CP violations occur, and the implications of these phenomena, which are not fully explored or resolved.

Syed Ammar
Messages
25
Reaction score
1
"The question is very simple: do matter and antimatter obey the same laws of physics?.??
 
Physics news on Phys.org
...Yes
 
depends on what you mean by laws of physics.
when CPT is conserved, they obey the same laws.
If CPT is violated, they behave differently... but still under the laws of physics... so yes even in that case.
 
"The law of physics" are laws for all types of matter, so... yes.

There are tiny differences between particles and their antiparticles. This is known as CP violation and has been observed in many experiments.
 
yeah sorry... I can't edit to correct it, I meant to write CP violation...
 

Similar threads

High School Matter & Antimatter: Attraction & Annihilation Evidence?
  • · Replies 6 ·
Replies
6
Views
3K
High School Antimatter and matter canceling out
  • · Replies 11 ·
Replies
11
Views
3K
High School Matter and antimatter annihilation quarks
  • · Replies 2 ·
Replies
2
Views
2K
High School Practical Antimatter Production
  • · Replies 16 ·
Replies
16
Views
3K
Undergrad Antimatter opposite parity to its matter partner?
  • · Replies 2 ·
Replies
2
Views
2K
High School But WHY do antimatter and matter annihilate on contact?
  • · Replies 1 ·
Replies
1
Views
13K
High School Do Matter and Antimatter React to Each Other in the Same Way?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad How Does CP Violation Relate to Matter-Antimatter Asymmetry in the Universe?
  • · Replies 1 ·
Replies
1
Views
2K
High School Can Antimatter-Matter Be Used as Rocket Fuel?
  • · Replies 35 ·
2
Replies
35
Views
4K
Undergrad How we are in a matter dominated universe (without antimatter annihilation)
  • · Replies 13 ·
Replies
13
Views
3K