Hi Alberto, you wrote: "There must not be a general arrow of time since time in general relativity is local not only in his value but also its direction AFAIK"
Exactly! Time can be shown to be local for QM systems as well. So, where does the illusion of a global dimensional time come from? Barbour is right. It doesn't exist. But the illusion persists... On Sun, Nov 9, 2014 at 7:03 AM, Alberto G. Corona <[email protected]> wrote: > Hi Stephen: > > There must not be a general arrow of time since time in general relativity > is local not only in his value but also its direction AFAIK > > 2014-11-09 2:25 GMT+01:00 Stephen Paul King <[email protected]>: > >> Hi Alberto, >> >> Is there really a global thermodynamic arrow of time? We can only >> infer its existence based on theoretical organizations of data that we >> collect. AFAIK, all "arrows" in actual physical dynamics are local. >> >> On Friday, November 7, 2014 5:26:40 PM UTC-5, Alberto G.Corona wrote: >>> >>> if time is the thermodynamic arrow then then is meaningless the notion >>> of reversal of termodinamic arrow. >>> >>> In which time the termodinamic arrow is reversed? Does it mean that the >>> time goes forward while termodinamic arrow goes backward? that contradict >>> the first assumption!!! >>> >>> >>> >>> 2014-10-15 2:14 GMT+02:00 Stephen Paul King <[email protected]>: >>> >>>> Hi, >>>> >>>> I re-read S. Mitra's paper <http://arxiv.org/pdf/0902.3825v2.pdf> >>>> again and it made more sense than before if I assumed that the reversible >>>> measurement idea is to be taken as a local reversal to the "direction of >>>> entropy flow" in an area and not the entire universe. >>>> The trouble is this notion of locality. Are there any favorite >>>> definitions of "locality" out there? AFAIK, it does not have a fixed size >>>> in space, but may have a fixed size in "space-time" as location information >>>> expands at the speed of light if we ignore the effects of local structure >>>> that would modulate decoherence. This "decoherence" thing, IMHO, needs to >>>> be looked at carefully. >>>> In deference to Bruno, I should ask a question relevant to the >>>> ongoing discussions. Is a finite universe with locally reversible time >>>> consistent as a 1p world? >>>> >>>> -- >>>> >>>> Kindest Regards, >>>> >>>> Stephen Paul King >>>> >>>> >>>> -- >>>> 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. >>>> >>> >>> >>> >>> -- >>> Alberto. >>> >> -- >> 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. >> > > > > -- > Alberto. > > -- > You received this message because you are subscribed to a topic in the > Google Groups "Everything List" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/everything-list/s3ApsT8Bmrg/unsubscribe. > To unsubscribe from this group and all its topics, 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. > -- Kindest Regards, Stephen Paul King Senior Researcher Mobile: (864) 567-3099 [email protected] http://www.provensecure.us/ “This message (including any attachments) is intended only for the use of the individual or entity to which it is addressed, and may contain information that is non-public, proprietary, privileged, confidential and exempt from disclosure under applicable law or may be constituted as attorney work product. If you are not the intended recipient, you are hereby notified that any use, dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this message in error, notify sender immediately and delete this message immediately.” -- 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.
