Jump in abstraction in textbooks

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Discussion Overview

The discussion explores the differences in treatment and abstraction between various levels of physics textbooks, particularly comparing graduate-level texts to upper-division undergraduate texts, and the transitions from introductory undergraduate to upper-division undergraduate materials. Participants reflect on specific textbooks, such as Halliday, Griffiths, and Jackson, and their perceived levels of difficulty and abstraction.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants propose that the jump from Halliday to Griffiths may be larger than from Griffiths to Jackson, but this is not universally agreed upon.
  • Others argue that the gradient of abstraction is greater in theoretical subjects compared to applied ones, suggesting a continuum across educational levels.
  • A participant notes that the jump to Jackson is likely larger due to its reputation as a challenging textbook, while Griffiths is perceived as slightly below average in difficulty.
  • One participant emphasizes the importance of mathematical preparation, suggesting that familiarity with calculus is essential for transitioning between these texts.
  • Another participant shares personal experiences, indicating that the historical context in textbooks can complicate understanding, particularly when transitioning to more advanced topics like quantum mechanics and electromagnetism.
  • Some participants highlight that graduate courses tend to emphasize rigorous mathematical connections more than undergraduate courses, with specific mention of topology and group theory in graduate quantum mechanics.

Areas of Agreement / Disagreement

Participants express differing views on the nature and extent of the jumps in abstraction between various textbooks, indicating that no consensus exists on the matter. The discussion reflects a range of personal experiences and interpretations regarding the difficulty of transitioning between these educational materials.

Contextual Notes

Participants mention specific challenges related to the historical presentation of topics and the varying levels of mathematical rigor across different courses and textbooks. These factors contribute to the complexity of the discussion without resolving the differences in opinion.

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Out of curiosity, is the difference between graduate level vs. upper division undergraduate larger than the difference between intro undergrad vs. upper division undergrad as far as treatment and abstraction of the subject

so halliday to griffith's a larger jump than griffith's to jackson?
 
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Woopydalan said:
Out of curiosity, is the difference between graduate level vs. upper division undergraduate larger than the difference between intro undergrad vs. upper division undergrad as far as treatment and abstraction of the subject

so halliday to griffith's a larger jump than griffith's to jackson?
Not necessarily, but perhaps the gradient is greater for the pure or theoretical subjects as opposed to applied.

If one thinks of 2 year blocks: 2 years undergrad lower level, 2 years undergrad upper level, 2 years graduate master's, and 2 years graduate PhD, then there is a continuum.

The abstraction is greater in theoretical sciences than in the applied sciences.
 
Woopydalan said:
Out of curiosity, is the difference between graduate level vs. upper division undergraduate larger than the difference between intro undergrad vs. upper division undergrad as far as treatment and abstraction of the subject

so halliday to griffith's a larger jump than griffith's to jackson?
It depends too much. The jump to Jackson, in this instance, is probably larger but Griffiths (all imo) slightly below average in difficulty (due to his excellent presentation) and Jackson is considered one of the hardest graduate textbooks.

I found the jump between LD and UD and UD to graduate to be about the same, on average.
 
Woopydalan said:
Out of curiosity, is the difference between graduate level vs. upper division undergraduate larger than the difference between intro undergrad vs. upper division undergrad as far as treatment and abstraction of the subject

so halliday to griffith's a larger jump than griffith's to jackson?
Jorriss is very right. but it requires mathematics for Jump.
If you have Read Halliday then just do a AP Calculus BC book and jump to Griffiths.
And if you have done Griffiths then just do Apostol Calculus and jump to Jackson.
 
I don't think one can speak in generalities.

The difficulties for me in going from Halliday to whatever is going from integral to differential versions of Maxwell's equations, especially trying to understand why Stokes's Theorem is true. Another, even in Halliday is that things are built up historically. Many recommend Purcell as intermediate between Halliday and Griffths, but I found Purcell very difficult. My personal favourite is David Dugdale's Essentials of Electromagnetism which is ahistorical, and starts from Maxwell's equations, giving a birdseye view of the subject right at the start.

Similarly I think quantum mechanics is very difficult if one takes the historical route. If you just learn straight away about it from the postulates, it's much easier. Same with special relativity. Mechanics has long been taught from Newton's laws, so there is no reason not to present the newer subjects in the easy way, and skip all the history.

Of course a bit of history is needed, to supply the data and background.
 
Last edited:
I have noticed that graduate courses seem to be more rigorous with the math than undergrad classes. Some of the math in undergrad classes felt a "little hand wavy". Wile the math in grad classes is not done as rigorous as in pure math courses, it seems like there is more of an emphasis on it and to connections of certain areas with physics. For example, in my graduate quantum mechanics course, we used a lot of language from topology that may not get mentioned in undergrad. One thing you will realize in graduate physics is that topology and group theory creeps up everywhere. It's really beautiful.
 

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