Liz, Discussion of this issue: Berut et al, Experimental verification of Landauer's principle linking information and thermodynamics, Nature 483, 187-189 (2012).
Lanny Sterritt On Mar 19, 2014, at 1:53 PM, LizR <[email protected]> wrote: > On 20 March 2014 00:54, Edgar L. Owen <[email protected]> wrote: > Brent, > > If information is not being lost then the amount of information in the > universe is increasing at a tremendous rate as new events occur, and has been > since the beginning. So where is all that new information being stored? How > can ever increasing amounts of information be being stored in the SAME amount > of matter states? > > As far as I know, unitary evolution in QM implies that the information > content of the universe remains constant. This is why entropy is emergent, > for example, even though it appears on the macroscale to change the amount of > order and disorder. Since the laws of physics are time agnostic at the > fundamental level (bar the usual caveat involving CPT violation) this is to > be expected. You couldn't play physical scenarios backwards even in theory if > information was being created, and the evolution of the wave function > wouldn't be unitary if it was being lost. Hence it stays constant.. > > -- > 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 http://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 http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
