tag:blogger.com,1999:blog-22973357.post4251808865451173094..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: That Photon from GRB090510Sabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger166125tag:blogger.com,1999:blog-22973357.post-72899305582251022622016-11-08T06:52:36.425-05:002016-11-08T06:52:36.425-05:00Jesus Christ that was EPIC.
Zephir,you are a piec...Jesus Christ that was EPIC. <br />Zephir,you are a piece of work, I deal with a handful of your type, I call them the Dunning Kruger poster childs.<br />It's a bizarre display of a painfully incapable of grasping anything being discussed and being proud of it.<br />But it gets better. They are also completely and totally unteachable. A lost cause. At some point you decided it doesn't backyard scholarhttps://www.blogger.com/profile/17349226501753406924noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-24748611234560900752009-11-11T18:38:11.934-05:002009-11-11T18:38:11.934-05:00/*.. I don't know what Lubos' problem is...../*.. I don't know what Lubos' problem is...*/<br />It's not so difficult to understand. The problem is, Lee Smolin presented gamma ray dispersion as a way for falsification of LQG and now it denies it.<br /><br />http://www.aetherwavetheory.info/images/physics/lqg/smolin_lqg.gif<br /><br />The picture with description bellow is a snapshot of article in Scientific American, 59: "Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-79885990616604183862009-11-04T10:34:20.703-05:002009-11-04T10:34:20.703-05:00"Big Bang Theory" is a comedy show about..."Big Bang Theory" is a comedy show about very stereotyped nerds on post-grad. One of them is clearly based on Spock, from Star Trek, but Lubos thinks he is the inspiration himself, heh.Daniel de França MTd2https://www.blogger.com/profile/01281817409696805377noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-3900676475605092892009-11-04T10:26:44.290-05:002009-11-04T10:26:44.290-05:00Yes, that's correct.
GLAST has been renamed F...Yes, that's correct.<br /><br />GLAST has been renamed Fermi telescope some time last year.<br /><br />I don't know what Lubos' problem is.<br /><br />I don't watch TV.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-54005283871686775992009-11-04T10:24:47.863-05:002009-11-04T10:24:47.863-05:00Thank you very much Bee for that link to Lee's...Thank you very much Bee for that link to Lee's explanation. I see this discussion has been going on for almost 3 months now. My bad i was exploring Quantum Field Theory at the time and didn't notice.<br /><br />If I may summarize and ask if this is correct then:<br /><br />While the results from GLAST do not prove LQG they do not falsifly LQG either.<br /><br />If so then why is Lubos Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-67921952741110320782009-08-31T04:25:22.027-04:002009-08-31T04:25:22.027-04:00Thanks Bee :)Thanks Bee :)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-53563965818011187822009-08-30T09:38:51.324-04:002009-08-30T09:38:51.324-04:00Anonymous: Why don't you just read this post, ...Anonymous: Why don't you just read this post, it will answer your question. If it doesn't, also read the posts that are referred to in this post, most notably <a href="http://backreaction.blogspot.com/2009/06/constraining-modified-dispersion.html" rel="nofollow"> this one</a>.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-33256422592557667992009-08-29T20:20:36.525-04:002009-08-29T20:20:36.525-04:00Bee,
I have a question for you or Dr. Smolin.
I ...Bee,<br /><br />I have a question for you or Dr. Smolin.<br /><br />I recently was reading the August 15 edition of New Scientist and the main article was about QG. Now, that article indicated recent experiments did find a time lag in high energy photons from gamma-ray bursts.<br /><br />How does that compare/contrast with the FERMI experiment and what are the implications for quantum gravity? ( Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-33475664675671961522009-08-26T21:15:44.015-04:002009-08-26T21:15:44.015-04:00It's something like being touched be Most Holy...It's something like being touched be Most Holy Father accidentally or something similar, isn't it? Never change your nick for future.Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-26597520000780738842009-08-26T09:47:13.277-04:002009-08-26T09:47:13.277-04:00Oh, wow, Prof. Lee Smolin called me a blogger! Unt...Oh, wow, Prof. Lee Smolin called me a blogger! Until today, I've been a blogger leech, I guess I must then look for some real action. :D<br /><br />But just call me Daniel! MTd2 is a random keystroke I once typed for a nickname :).Daniel de França MTd2https://www.blogger.com/profile/01281817409696805377noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-79393291708615290322009-08-26T09:40:09.213-04:002009-08-26T09:40:09.213-04:00Dear Blogger Daniel de França MTd2,
Thanks. I d...Dear Blogger Daniel de França MTd2,<br /><br />Thanks. I don't often make blog posts but I am happy to do so on any blog that enforces rules of respectful professional conduct as Backreaction does. <br /><br />Thanks,<br /><br />LeeLee Smolinnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-20645131086975478802009-08-26T06:32:01.854-04:002009-08-26T06:32:01.854-04:00Hi Bee,
Thanks for clearing up my wonderings abou...Hi Bee,<br /><br />Thanks for clearing up my wonderings about perhaps primordial black holes being overlooked. It’s just that this burst is described as a short duration one and it seems they have no solid explanation of what in the way of source distinguishes the long ones from short. Of course I suppose if this had any chance of being a PBH burst, both Hawking and the string theorists would be Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-22170232413826317102009-08-25T21:12:25.282-04:002009-08-25T21:12:25.282-04:00Re a single photon, I'm reminded of Blas Cabre...Re a single photon, I'm reminded of Blas Cabrera's famous monopole search experiment at Stanford. For those who were born too late to hear of it, he saw a perfect monopole candidate but it's never been verified with much larger data sets.<br /><br />This is not to say that I think that the Fermi data is bad, just that every now and then nature does pull off a stunt. My guess is that Carl Brannenhttp://carlbrannen.wordpress.com/noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-60628494724240549622009-08-25T12:49:34.045-04:002009-08-25T12:49:34.045-04:00Thinking out loud. Hmmm.....
On the other hand yo...Thinking out loud. Hmmm.....<br /><br /><i>On the other hand you need to be aware of the maybe most bizarre aspect of quantum mechanics: the fact that our world is only apparently tridimensional, in reality it is formed from two tridimensional worlds that we see superimposed onto each other: <b>everywhere we think we see one point in fact there are two points.</b> An elementary particle (such as PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-35244051456848679522009-08-25T12:34:18.558-04:002009-08-25T12:34:18.558-04:00Oh, I see. Lots of stuff I didn't know. Nice t...Oh, I see. Lots of stuff I didn't know. Nice to have an opened minded, polite and knowledgeable person around.<br /><br /><br />BTW, when your paper with garrett and speziale, would you mind answering questions here, if Bee wants, or on physicsforums? Or, if I open a blog, would mind posting there?Daniel de França MTd2https://www.blogger.com/profile/01281817409696805377noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-45983547597407870672009-08-25T12:30:33.293-04:002009-08-25T12:30:33.293-04:00One Photon two photon, and then no such thing as e...One Photon two photon, and then no such thing as entanglement? Makes it hard to destroy foundational thinking when there is a whole history behind it.<br /><br />It's evolution allows one to see in other realms, that we were not able to see in this one, and yet prepares the mind for movement in those other realms? You had to have toposense in order to use the colorimetric, and in order to do PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-6500569427890552522009-08-25T12:25:03.484-04:002009-08-25T12:25:03.484-04:00Dear Daniel de França MTd2,
This is a key questio...Dear Daniel de França MTd2,<br /><br />This is a key question which was covered in many places, for example my paper with Amelino-Camelia or my post above. See those for details. <br /><br />The linear correction is parity odd in the case of Lorentz symmetry breaking and parity even in the case of DSR. The former is ruled out by several orders of magnitude because it leads to rotations of Lee Smolinnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-74436048429727985962009-08-25T12:15:05.355-04:002009-08-25T12:15:05.355-04:00Quantum interrogation is interesting.:)Fuzzy logic...Quantum interrogation is interesting.:)Fuzzy logic in complementary position leave one with an inexactitude feeling, yet it seems particular to coloring of the attributes of definition of topological movement?:)PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-12729905769622313352009-08-25T12:06:46.799-04:002009-08-25T12:06:46.799-04:00You mean, the linear dispertion was not ruled out?...You mean, the linear dispertion was not ruled out?Daniel de França MTd2https://www.blogger.com/profile/01281817409696805377noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-53925477997142959772009-08-25T12:02:42.246-04:002009-08-25T12:02:42.246-04:00Dear Daniel de França MTd2,
There are certainly D...Dear Daniel de França MTd2,<br /><br />There are certainly DSR dispersion relations that start linear and then at higher order saturate an upper limit to energy or to momentum, or both. The literature has examples of all three. So the issue of saturating an upper limit is not related to whether the leading order is linear or quadratic. <br /><br />Some argue that quadratic is more natural for Lee Smolinnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-35828923468969320442009-08-25T11:59:31.381-04:002009-08-25T11:59:31.381-04:00Plus, you might see new image constructs with rega...Plus, you might see new image constructs with regard to topological movements that were never understood before in correspondence to that new colorimetric?:)PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-70346361931242214562009-08-25T11:56:23.012-04:002009-08-25T11:56:23.012-04:00Prof. Smolin,
Indeed, for linear correction, you ...Prof. Smolin,<br /><br />Indeed, for linear correction, you can neglect the backgrounds cited in the article, but not for quadratic correction, which would need some millions of TeVs to be above the noise.<br /><br />A quadratic correction as a first order is more appealing if you think it can lead to some upper limit to energy density.Daniel de França MTd2https://www.blogger.com/profile/01281817409696805377noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-36377810819014474452009-08-25T11:42:51.500-04:002009-08-25T11:42:51.500-04:00IN Susskind's thought experiments he was to su...IN Susskind's <a href="http://arxiv.org/PS_cache/hep-th/pdf/9308/9308100v1.pdf" title="Gedanken Experiments Involving Black Holes-" rel="nofollow">thought experiments</a> he was to suggest as we equate we need to understand that a "calibration point" was needed in terms of discernment of photon recognition of blackhole origins and beyond? <br /><br />Yet, how is it that we know PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-42027124791339125042009-08-25T11:37:25.129-04:002009-08-25T11:37:25.129-04:00Dear Daniel de França MTd2,
The possibility of co...Dear Daniel de França MTd2,<br /><br />The possibility of competing effects from scattering of photons of off dust or gas was studied in detail by Bombelli and Winkler, among others, in gr-qc/0403049, and was ruled out as a competitor for linear effects in planck scale dispersion.<br /><br />The possibility of using very high energy neutrinos to study planck scale dispersion has been studied Lee Smolinnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-27778991228953422072009-08-25T11:24:12.950-04:002009-08-25T11:24:12.950-04:00It is important that the shift in time perspective...It is important that the shift in time perspective be accepted to orientate fundamentals of information being revealed to our measures?<br /><br />If you cannot accept this model assumption then there will not be any relativism to Planck time consideration while using photon measure as applicable to some "color metric" for consideration.<br /><br />You had to know where the PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.com