Clifford Algebras & Physics: What do You Think?

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In summary, the conversation is about Clifford Algebras (GA) and their applications in physics, particularly in relation to other algebraic approaches such as vector calculus, exterior calculus, tensor calculus, and spinor calculus. The speaker is not well-read enough to give an opinion on their usefulness and intuitiveness, but finds them interesting and wants to explore them further. They also mention the dual subgroups of Clifford Algebras and a book that uses the even subgroup in quantum mechanics. There is a link to a blog post discussing this topic.
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Plat00n
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I'm curious about Clifford Algebras,
http://en.wikipedia.org/wiki/Clifford_algebra ,
http://mathworld.wolfram.com/topics/QuaternionsandCliffordAlgebras.html
and their applications in physics
http://modelingnts.la.asu.edu/
http://www.ajnpx.com/html/CliffordAlgebra.html
beyond that of the "gamma matrices".

I'm not well-read enough to say how useful they are and how intuitive they may be compared to other less-encompassing algebraic approaches (e.g. vector-calculus, exterior-calculus, tensor-calculus, spinor-calculus, etc...). Time-permitting, it might be fun to look into it.
my $0.02
 
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  • #3
Clifford

Clifford Algebras have another interesting thing, that is that is composed by two sub groups, one the complex (center subgroup) and the other, even subgroup (even subgroup). In quantum mechanics, we utilize the center group, but I have read a book that utilizes the wave function in mathematics of the even subgroup, and it's very interesting question.

It's possible that we are utilizing wrong mathematics to the right formulation.

The post before linked talks about it.

Plat00n.
 

1. What are Clifford algebras and how are they related to physics?

Clifford algebras are mathematical structures used to describe the geometric properties of vector spaces. They were developed by William Kingdon Clifford in the late 19th century. In physics, Clifford algebras are used to study the symmetries and transformations of physical systems, such as rotations and translations.

2. What are some examples of applications of Clifford algebras in physics?

Clifford algebras are used in various areas of physics, including quantum mechanics, relativity, and particle physics. Some specific examples include the Dirac equation, which describes the behavior of fermions in quantum field theory, and the study of spinors in general relativity.

3. How do Clifford algebras differ from other mathematical structures used in physics?

Clifford algebras are unique in that they combine elements of both linear algebra and geometry. They allow for the representation of both vectors and geometric objects such as planes and volumes. This makes them particularly useful for applications in physics where both algebraic and geometric concepts are important.

4. What are the potential implications of using Clifford algebras in physics?

The use of Clifford algebras in physics has already led to significant advancements and insights in various areas of study. Some potential implications include a better understanding of the symmetries and transformations of physical systems and the potential for new mathematical tools to describe and analyze complex physical phenomena.

5. What are some current research areas involving Clifford algebras in physics?

Some current areas of research include the application of Clifford algebras to quantum computing, the study of topological phases of matter, and the development of new mathematical techniques for analyzing complex systems in physics. Additionally, there is ongoing research into the connections between Clifford algebras and other mathematical structures, such as Lie algebras and group theory.

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