This is interesting. Is it possible to transmit information from the future to the past? If yes, how would this information be restricted?
George scerir wrote: > > > Saibal Mitra > > Now there exists a class of universes, > > with a very low measure, in which the > > laws of physics are such that I am > > guaranteed to win. > > There is also the interesting class of TSQT. > > Quantum theory is time symmetric as long as it can be > described by the evolution of a state vector according > to the Schroedinger equation. But as soon as measurement > and wave function collapse are involved, the symmetry > breaks down. > > But in the Time Symmetrized Quantum Theory (TSQT) it is > argued that information propagating in a time reversed > direction from future measurements can provide > information about appropriately selected systems (!!!). > Ensembles of such sustems are referred to as > "pre-selected" and "post-selected". > > The basic claim of TSQT is that a fundamental time symmetry > applies to the interval between two ideal measurements. > > According to TSQT the quantum state of a system, > between two measurements occurring at times t1 and t2, > contains information based not only on the initial > measurement (pre-selection) but also on the final > measurement (post-selection). > > Aharonov, Bergman and Lebowitz (ABL) invented the > well-known time symmetric formalism for describing > quantum systems between two complete measurements. > > Does TSQT ensures or forbids your win? > > Regards, > > -s.