• The Space of Physical Frameworks (Part 4)

    Updated: 2024-10-15 20:52:04
    In Part 1, I explained my hopes that classical statistical mechanics reduces to thermodynamics in the limit where Boltzmann’s constant approaches zero. In Part 2, I explained exactly what I mean by ‘thermodynamics’. I also showed how, in this framework, a quantity called ‘negative free entropy’ arises as the Legendre transform of entropy. In Part […]

  • The Space of Physical Frameworks (Part 3)

    Updated: 2024-10-15 20:52:04
    In Part 1, I explained how statistical mechanics is connected to a rig whose operations depend on a real parameter and approach the ‘tropical rig’, with operations and as I explained my hope that if we take equations from classical statistical mechanics, expressed in terms of this -dependent rig, and let we get equations in […]

  • The Space of Physical Frameworks (Part 2)

    Updated: 2024-10-15 20:52:04
    I’m trying to work out how classical statistical mechanics can reduce to thermodynamics in a certain limit. I sketched out the game plan in Part 1 but there are a lot of details to hammer out. While I’m doing this, let me stall for time by explaining more precisely what I mean by ‘thermodynamics’. Thermodynamics […]

  • The Space of Physical Frameworks (Part 1)

    Updated: 2024-10-15 20:52:04
    Besides learning about individual physical theories, students learn different frameworks in which physical theories are formulated. I’m talking about things like this: • classical statics • classical mechanics • quantum mechanics • thermodynamics • classical statistical mechanics • quantum statistical mechanics A physical framework often depends on some physical constants that we can imagine varying, […]

  • Help with math terminology #2

    Updated: 2024-10-15 16:56:21
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  • "Accelerations" as higher order derivatives

    Updated: 2024-10-15 16:40:56
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  • Vacuum entanglement: between what and what, exactly?

    Updated: 2024-10-15 14:07:23
    : , Insights Blog Browse All Articles Physics Articles Physics Tutorials Physics Guides Physics FAQ Math Articles Math Tutorials Math Guides Math FAQ Education Articles Education Guides Bio Chem Articles Technology Guides Computer Science Tutorials Forums Classical Physics Quantum Physics Quantum Interpretations Special and General Relativity Atomic and Condensed Matter Beyond the Standard Model Cosmology Astronomy and Astrophysics Other Physics Topics Trending Featured Threads Log in Register What's new Search Search Google search add Physics Forums to query Everywhere Threads This forum This thread Search titles only : By Search Advanced search… Classical Physics Quantum Physics Quantum Interpretations Special and General Relativity Atomic and Condensed Matter Beyond the Standard Model

  • Books on D Operator Method

    Updated: 2024-10-15 05:16:15
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  • Schrodinger equation/Madelung equation phase transformation

    Updated: 2024-10-15 04:34:30
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  • Chain Rule (partial derivatives): basic interpretation question

    Updated: 2024-10-14 16:15:39
    Insights Blog Browse All Articles Physics Articles Physics Tutorials Physics Guides Physics FAQ Math Articles Math Tutorials Math Guides Math FAQ Education Articles Education Guides Bio Chem Articles Technology Guides Computer Science Tutorials Forums General Math Calculus Differential Equations Topology and Analysis Linear and Abstract Algebra Differential Geometry Set Theory , Logic , Probability , Statistics MATLAB , Maple , Mathematica , LaTeX Trending Featured Threads Log in Register What's new Search Search Google search add Physics Forums to query Everywhere Threads This forum This thread Search titles only : By Search Advanced search… General Math Calculus Differential Equations Topology and Analysis Linear and Abstract Algebra Differential Geometry Set Theory , Logic ,

  • Different Substitution for Solving an Integral

    Updated: 2024-10-14 13:03:43
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  • Solving system of 3 quadratic equations

    Updated: 2024-10-14 11:16:32
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  • Maximum exhaust velocity for a De Laval nozzle

    Updated: 2024-10-14 04:27:05
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  • Expectation value of the momentum for an electron in a box

    Updated: 2024-10-13 17:31:15
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  • The Space of Physical Frameworks (Part 5)

    Updated: 2024-10-02 02:01:54
    In Part 4, I presented a nifty result supporting my claim that classical statistical mechanics reduces to thermodynamics when Boltzmann’s constant approaches zero. I used a lot of physics jargon to explain why I care about this result. I also used some math jargon to carry out my argument. This may have been off-putting. But […]

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