On Sat, Jan 20, 2024 at 1:46 AM 'scerir' via Everything List < everything-list@googlegroups.com> wrote:
> Interesting quote about all that (and information) > Frank Wilczek: "Information is another dimensionless quantity that plays a > large and increasing role in our description of the world. Many of the > terms that arise naturally in discussions of information have a distinctly > physical character. For example we commonly speak of density of information > and flow of information. Going deeper, we find far-reaching analogies > between information and (negative) entropy, as noted already in Shannon's > original work. Nowadays many discussions of the microphysical origin of > entropy, and of foundations of statistical mechanics in general, start from > discussions of information and ignorance. I think it is fair to say that > there has been a unification fusing the physical quantity (negative) > entropy and the conceptual quantity information. A strong formal connection > between entropy and action arises through the Euclidean, imaginary-time > path integral formulation of partition functions. Indeed, in that framework > the expectation value of the Euclideanized action essentially is the > entropy. The identification of entropy with Euclideanized action has been > used, among other things, to motivate an algebraically simple (but deeply > mysterious "derivation" of black hole entropy. If one could motivate the > imaginary-time path integral directly and insightfully, rather than > indirectly through the apparatus of energy eigenvalues, Boltzmann factors, > and so forth, then one would have progressed toward this general prediction > of unification: Fundamental action principles, and thus the laws of > physics, will be re-interpreted as statements about information and its > transformations." http://arxiv.org/pdf/1503.07735v1.pdf > <https://l.facebook.com/l.php?u=http%3A%2F%2Farxiv.org%2Fpdf%2F1503.07735v1.pdf&h=6AQGH8JQz> > Interesting quote and reference, I appreciate them! I especially like: "the laws of physics, will be reinterpreted as statements about information and its transformations." I think I will include that in my write up. :-) Jason > > > Il 20/01/2024 01:10 +01 Jason Resch <jasonre...@gmail.com> ha scritto: > > > I put together a short write up on the relationship between physics, > information, and computation, drawing heavily from the work of Seth Lloyd > and others: > > > https://drive.google.com/file/d/124q3ni51E3sf9kMC_sNKgP3ikcl8ou1t/view?usp=sharing > > I thought it might be interesting to members of this list who often debate > whether our reality is fundamentally computational/informational. > > Jason > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CA%2BBCJUgRo-xNors%2BWZbDVpboT3QwiHC_NS24_uQ9_QkiTd3fyQ%40mail.gmail.com > <https://groups.google.com/d/msgid/everything-list/CA%2BBCJUgRo-xNors%2BWZbDVpboT3QwiHC_NS24_uQ9_QkiTd3fyQ%40mail.gmail.com?utm_medium=email&utm_source=footer>. > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/1890352135.1654730.1705733200088%40mail1.libero.it > <https://groups.google.com/d/msgid/everything-list/1890352135.1654730.1705733200088%40mail1.libero.it?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CA%2BBCJUg8Px8e4QLzYer0G2MgM4k1V97YBXC%3DVNQ-x5W65m70Ww%40mail.gmail.com.
