On Tuesday, October 23, 2018 at 10:36:16 AM UTC, scerir wrote: > > > Il 23 ottobre 2018 alle 11.20 Philip Thrift <[email protected] > <javascript:>> ha scritto: > > > > On Tuesday, October 23, 2018 at 1:41:06 AM UTC-5, scerir wrote: > > > *The original 'cat' was, of course, Einstein's 'gunpowder' paradox.* > > *'The system is a substance in chemically unstable equilibrium, perhaps a > charge of gunpowder that, by means of intrinsic forces, can spontaneously > combust, and where the average life span of the whole setup is a year. In > principle this can quite easily be represented quantum-mechanically. In the > beginning the psi-function characterizes a reasonably well-defined > macroscopic state. But, according to your equation [i.e., the Schrödinger > equation], after the course of a year this is no longer the case. Rather, > the psi-function then describes a sort of blend of not-yet and > already-exploded systems. Through no art of interpretation can this > psi-function be turned into an adequate description of a real state of > affairs; in reality there is no intermediary between exploded and > not-exploded.' * > > *Letter from Einstein to Schrödinger, dated 8 August 1935. in Fine, A. The > Shaky Game: Einstein, Realism, and the Quantum Theory, University of > Chicago Press, Chicago (1986). Letter from Einstein to Schrödinger, dated 8 > August 1935.* > > > > > > > *Through no art of interpretation can this psi-function be turned into an > adequate description of a real state of affairs; in reality there is no > intermediary between exploded and not-exploded.'* > > > This is interesting. > > Einstein (but other physicists too) avoiding retrocausality and > stochasticity, like vampires avoiding sunlight and running water. :) > > -pt > > > > There are situations in which a superposition is a superposition and not > an "expectation-catalogue" or a mixture. See > https://www.springer.com/gp/book/9780306456602 pages 8 etc. >
*Can you post the relevant pages? The cost for access is high. TIA, AG* -- 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 [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at https://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
