Learn LQG: Books on Loop Quantum Gravity for College Freshmen

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In summary, the conversation discusses the topic of loop quantum gravity and the speaker's lack of mathematical background to learn about it. They ask for recommendations on "layman's" books on LQG, and the conversation suggests "Three Roads to Quantum Gravity" by Lee Smolin. The book is described as a good and interesting read, with some challenging parts. The speaker thanks the others for the recommendation and expresses their fascination with the book.
  • #1
Monocles
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I am interested in loop quantum gravity but am just a college freshman so have none of the mathematical background to learn about it. Are there any "layman's" books out there on LQG, in the same vein of Universe in a Nutshell, The Elegant Universe, etc?
 
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  • #2
You might try "Three Roads to Quantum Gravity", by Lee Smolin.
https://www.amazon.com/s/ref=nb_ss_gw/103-2149101-8311058?url=search-alias%3Daps&field-keywords=smolin+roads"&tag=pfamazon01-20
 
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  • #3
Was just going to recommend that exact book. Picked it up in a charity shop as thought it looked vaguely interesting.

Got round to reading it as some bedtime reading and some parts - although not mathematical at all - prove somewhat useful in tutorial discussions.

Gordon
 
  • #4
I can further recommend Three Roads to Quantum Gravity, but then, I haven't come across many books wholly about LQG. It is a good, interesting read, if a little hard to get through at some points - not on any sort of mathematical level, but if I remember correctly, you'll find some parts difficult if you don't make sure you understand as you're reading. enjoy.
 
  • #5
Thank you very much for the recommendation. I picked it up the other day and am finding it very fascinating :)
 

1. What is Loop Quantum Gravity (LQG)?

Loop Quantum Gravity (LQG) is a theory that attempts to reconcile general relativity and quantum mechanics by describing space and time as discrete, quantized entities. In this theory, space is made up of tiny loops and connections between these loops, rather than being smooth and continuous as described by general relativity.

2. What is the target audience for books on LQG?

The target audience for books on LQG is typically college freshmen or advanced high school students who have a basic understanding of physics and mathematics. These books are meant to introduce students to the concepts and principles of LQG in a more accessible way than academic research papers.

3. How does LQG differ from other theories of quantum gravity?

LQG differs from other theories of quantum gravity, such as string theory, in its approach to quantizing space and time. While string theory assumes that space and time are continuous, LQG proposes that they are discrete and made up of tiny, indivisible units. LQG also does not require the existence of extra dimensions, which is a key component of string theory.

4. Are there any experimental results that support LQG?

Currently, there are no experimental results that directly support LQG. However, there have been some promising results from experiments that test the principles of quantum mechanics and general relativity, which are both key components of LQG. Additionally, LQG has been able to make predictions about the behavior of black holes and the early universe that have been consistent with observations.

5. What are some recommended books for learning about LQG?

Some recommended books for learning about LQG include "A First Course in Loop Quantum Gravity" by Rodolfo Gambini and Jorge Pullin, "Loop Quantum Gravity: The First 30 Years" by Abhay Ashtekar and Jorge Pullin, and "Loop Quantum Gravity: The Black Hole Story" by Carlo Rovelli. It is also helpful to supplement these books with online lectures and resources from reputable sources, such as universities or research institutions.

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