What do the symbols in Physics Formulas mean? Help needed!

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Discussion Overview

The discussion revolves around understanding the symbols used in physics formulas, particularly in the context of reading works by notable physicists such as Prof. Hawking and Prof. Einstein. Participants seek resources or explanations to clarify their understanding of these symbols, which may vary between different authors and texts.

Discussion Character

  • Conceptual clarification
  • Debate/contested
  • Meta-discussion

Main Points Raised

  • One participant requests a "cheat sheet" or link that explains the symbols used in physics formulas, indicating a basic understanding but a need for further clarification.
  • Another participant suggests looking up the topic on Wikipedia for commonly used symbols and their meanings, and mentions the importance of checking textbooks for explanations of non-standard symbols.
  • It is noted that Einstein's original papers may use different notation compared to modern textbooks, which could complicate understanding.
  • A participant expresses frustration with Einstein's notation, acknowledging its compactness but also the difficulty in adapting to it.
  • There is a question about whether the notations used by Prof. Hawking and Dr. K.S. Thorne are consistent with each other, reflecting concerns about varying notational systems.

Areas of Agreement / Disagreement

Participants do not reach a consensus on a single resource or method for understanding the symbols, and multiple views on the challenges posed by different notations remain evident.

Contextual Notes

Participants highlight the variability in notation across different authors and the potential for confusion when transitioning from historical papers to modern interpretations. There is an acknowledgment of the need for additional resources to bridge these gaps.

Who May Find This Useful

This discussion may be useful for students or individuals attempting to read and understand classical and modern physics literature, particularly those interested in the works of Einstein, Hawking, and Thorne.

TDS
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What I am looking for is a link or "cheat sheet" that will give me an explanation of the symbols that are used in Physics Formulas. I have a basic understanding of some of the symbols but there are some that I do not understand. I have read several of Prof. Hawking and Prof. Einsteins papers and I am wanting to get a better understanding of what I have read. Could I get some help in this matter?

Thanks to all that respond!:biggrin:
 
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If you look up the topic in Wikipedia, you should get the commonly used symbols and what they stand for, ideally with links to the pages that describe/explain each term in more detail.

Alternatively, you could ask here for explanation of a particular formula/relation. Additionally, in the papers that you read, they should comment on non-standard symbols, or at least refer to the more introductory papers on the topic, which would probably describe the symbols used. And finally, if you look inside the front cover/in an appendix of many physics textbooks, you will find what you are looking for.
 
Also, if you're reading Einstein's original papers on relativity from 1905 etc., you should be aware that his notation is sometimes different from what modern textbooks use.
 
Ugh...I am soo not a fan of Einstein's notation. Granted, it is nice and compact, but what a pain it was to get used to.
 
@masudr - Thanks for your guidance! I shall put it to use.

@jtbell - Here I am trying to understand what Einstein is saying only to find out that once I understand his writings I will have to translate them into modern notations.:cry: Are Prof. Hawking's and Dr. K.S. Thorne's notations the same?:smile:
 

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