tag:blogger.com,1999:blog-22973357.post2585837911696204453..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: More mysteries in cosmic rays, and a proposed solutionSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger28125tag:blogger.com,1999:blog-22973357.post-82156952221161206842013-07-19T10:21:11.649-04:002013-07-19T10:21:11.649-04:00B,
Thanks for your patience and tolerance.B,<br /> Thanks for your patience and tolerance.John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-12570105138805968792013-07-19T08:42:39.081-04:002013-07-19T08:42:39.081-04:00John,
Thanks, but that's enough. It's off...John,<br /><br />Thanks, but that's enough. It's off-topic. If you want to continue this exchange, please do so elsewhere. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-83225027074552675972013-07-19T06:34:59.772-04:002013-07-19T06:34:59.772-04:00Phillip,
I'm not asking or expecting you to t...Phillip,<br /> I'm not asking or expecting you to think this through, you asked for a prediction and I gave you one. Life is a billion year trial and error experiment and so long as multiverses pay anyone's bills, someone will believe in it.<br />I once had a Catholic priest and future in-law quiz me on my piety. I said that since the absolute is basis, not apex, a spiritual absolute John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-73143044419773343452013-07-19T04:26:51.835-04:002013-07-19T04:26:51.835-04:00"A universe without expansion. Peer review fi...<i>"A universe without expansion. Peer review finds no fault with the derivation."</i><br /><br />Probably true, but perhaps misleading. Peer review has found no fault with a host of crackpot ideas---since they haven't been peer-reviewed at all! I'm not saying that the author is a crackpot (he is not) nor that the paper is (I haven't read it), merely that your, presumably Phillip Helbighttps://www.blogger.com/profile/12067585245603436809noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-48306917985258095452013-07-19T04:21:51.460-04:002013-07-19T04:21:51.460-04:00"Now even though, according to both theory an...<i>"Now even though, according to both theory and measurement, expansion is balanced by gravity, presumably leaving no additional expansion for the universe as a whole to grow, it is still being shoehorned into this singular expanding universe model."</i><br /><br />This is wrong on so many levels that a blog comment can't even begin to address it.<br />Phillip Helbighttps://www.blogger.com/profile/12067585245603436809noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-50250771492779341602013-07-18T14:07:28.761-04:002013-07-18T14:07:28.761-04:00@John Merryman: Look up "multipoles," th...@John Merryman: Look up "multipoles," their meaning and fitting vs. Planck data. WMAP is lower resolution. <a href="http://arxiv.org/abs/1303.6878" rel="nofollow">A universe without expansion</a>. Peer review finds no fault with the derivation. (Perhaps non-linear Gmm'/r^2 will appear in a later paper.)Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-2119720787993558982013-07-18T10:50:10.311-04:002013-07-18T10:50:10.311-04:00Phillip,
20 years ago it occurred to me redshift ...Phillip,<br /> 20 years ago it occurred to me redshift was more likely evidence of Einstein's cosmological constant, ie. a balancing effect to gravity. 10 years after that, Perlmutter and Co. measured the redshift as more reflective of some non-zero cosmological constant. Now even though, according to both theory and measurement, expansion is balanced by gravity, presumably leaving no John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-29968724471737314452013-07-18T09:31:33.004-04:002013-07-18T09:31:33.004-04:00@John Merryman: If your ideas come up with testabl...@John Merryman: If your ideas come up with testable predictions which differentiate them from conventional science, then publish them. If not, then it is not science.<br />Phillip Helbighttps://www.blogger.com/profile/12067585245603436809noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-91846521897079274632013-07-18T06:54:29.519-04:002013-07-18T06:54:29.519-04:00B,
I know there is stuff there. It just ends up i...B,<br /> I know there is stuff there. It just ends up in a smaller package.<br /> To me, the whole spacetime curvature thingy is like the giant cosmic gear wheels explaining why epicycles were so mathematically elegant.<br /> We experience time as a sequence of events and physics treats it as a measure of duration, but the actual physics is change. So it the process by which future becomes past John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-29236427390387469812013-07-18T03:59:52.550-04:002013-07-18T03:59:52.550-04:00John,
m=E/c^2 is not "the opposite" of ...John,<br /><br />m=E/c^2 is not "the opposite" of E=mc^2, it's the same. Fusion doesn't create vacuum because there's stuff there, the stuff that you're fusing together, and gravity doesn't "emerge" in nuclear fusion either. I honestly have no clue what you're trying to say. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-83593084584792803722013-07-17T11:15:46.548-04:002013-07-17T11:15:46.548-04:00Failure, as demonstrated, is good when acknowledge...Failure, as demonstrated, is good when acknowledged. Failure fuels the upward surge of mankind. Rederive failed theory from qualified observation. Curve-fitting failure to observation is anti-understanding. <br /><br /><a href="http://archive.org/abs/1303.3271" rel="nofollow">Elegant</a> theory or <a href="http://www.quantumdiaries.org/wp-content/uploads/2013/06/DAMA-LIBRA.jpg" rel="nofollow">Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-75413331406920457642013-07-17T11:13:11.344-04:002013-07-17T11:13:11.344-04:00Sabine,
What really is the relationship between l...Sabine,<br /> What really is the relationship between light as a wave or field and light as a quantized photon? In last years FQXI contest, Eric Reiter (http://fqxi.org/community/forum/topic/1344) raised the issue of whether the quantization of light is fundamental to light, or is a function of its absorption within atomic structure.<br /> So just for a moment consider the consequences of light John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-58203398056593847192013-07-17T02:56:07.144-04:002013-07-17T02:56:07.144-04:00John,
Not sure I understand your question. As Ein...John,<br /><br />Not sure I understand your question. As Einstein taught us, mass is just some form of energy. Pressure is also just some form of energy. Fusion doesn't create a vacuum, or maybe I misunderstand what you mean with vacuum. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-27626242639958636372013-07-16T11:57:50.595-04:002013-07-16T11:57:50.595-04:00File this in the stupid questions category, but if...File this in the stupid questions category, but if you break the atom, it creates pressure. Think Hiroshima. So wouldn't fusion create a vacuum? We can't find any dark matter, but there is a lot of excess cosmic rays and all that other stuff going on in the interstellar medium, as well as all the heavy metals being created within stars, etc. What if gravity is not so much a property of John Merrymanhttps://www.blogger.com/profile/15106596586767479118noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-13934701658476348012013-07-16T10:47:35.247-04:002013-07-16T10:47:35.247-04:00Long-range angular correlations of pi, K and p in ...<a href="http://arxiv.org/pdf/1307.3237v1" rel="nofollow">Long-range angular correlations of pi, K and p in p--Pb collisions at sqrt(s_NN) = 5.02 TeV</a><br /><br />Ummmm.........PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-30921150783773077202013-07-16T10:43:37.485-04:002013-07-16T10:43:37.485-04:00Lastly, a layman at heart wants to continue to kno...Lastly, a layman at heart wants to continue to know......,<br /><br /><i>At RHIC large elliptic flow has been observed and is one of the key experimental discoveries [2{6]. Theoretical models, based on ideal relativistic hydrodynamics with a QGP equation of state and zero shear viscosity, fail to describe elliptic flow measurements at lower energies but<br />describe RHIC data reasonably well [7]PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-68539235174118075922013-07-16T10:35:51.347-04:002013-07-16T10:35:51.347-04:00oops...Jet Quenchingoops...<a href="http://4.bp.blogspot.com/-iMzvoIbYVGw/UeVZ8Jsv4NI/AAAAAAAAIK8/h6oP_cwHE5M/s1600/HI-asyjet-paper_lo_image.png" rel="nofollow">Jet Quenching</a>PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-23583608042388810922013-07-16T10:32:12.254-04:002013-07-16T10:32:12.254-04:00Under label of QGP
First image of Jet quenching
...Under label of QGP<br /><br />First image of <a href="http://www.previewshots.com/images/v1.3/t.gif" rel="nofollow">Jet quenching</a><br /><br /><i>"We want to measure when the quark-gluon plasma behaves like a perfect fluid with zero viscosity, and when it doesn't," says Lauret. "When it doesn't match our calculations, what parameters do we have to change? If we can put PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-87502872645648307002013-07-16T10:23:53.299-04:002013-07-16T10:23:53.299-04:00Maybe google is deciding some things for you Bee?:...Maybe google is deciding some things for you Bee?:)<br /><br />Systemically the experimental process and energy valuations come it to question about the relationship that leads to QGP and the transition that is taking place.<br /><br />Sean Carroll talks about past historic evidences displayed in the cosmos. This has to have this basis and consideration for information that had always existed andPlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-16412747912213703892013-07-16T04:51:43.497-04:002013-07-16T04:51:43.497-04:00Xerxes,
I'm not sure why you say they "d...Xerxes,<br /><br />I'm not sure why you say they "dismiss the QGP". I think they basically say that the confinement transition is an unlikely source for the discrepancy. See, it's the chiral symmetry breaking that creates the pions as pseudo-Goldstone modes, so it seems plausible that it has an impact on the ratio at which they are produced. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-24612124348201711602013-07-16T04:47:12.643-04:002013-07-16T04:47:12.643-04:00Arun,
I don't know much about supernova. Nucl...Arun,<br /><br />I don't know much about supernova. Nucleosynthesis is at much lower energies though. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-66641954827986679312013-07-16T04:43:31.031-04:002013-07-16T04:43:31.031-04:00Phillip,
Uncle submitted a comment, but all of h...Phillip, <br /><br />Uncle submitted a comment, but all of his comments get caught in Blogger's spam filter. I don't know why. They only show up when I go through the list and free the not-spam from the queue. Some of Plato's comments also tend to go into spam. This comment though has a link in it, so I think I'll leave it in the spam folder. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-47189108185551489202013-07-15T22:36:47.203-04:002013-07-15T22:36:47.203-04:00I'm puzzled what the authors think the differe...I'm puzzled what the authors think the difference is between a chiral-symmetry restored phase and a quark-gluon plasma. The transition temperatures for CSR and deconfinement are are basically the same. They dismiss QGP but somehow expect to get a CSR phase without QGP?Xerxeshttps://www.blogger.com/profile/15920917340206828023noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-19506291596021424282013-07-15T16:35:22.751-04:002013-07-15T16:35:22.751-04:00What? You mention "chirality" and Uncle...What? You mention "chirality" and Uncle Al hasn't chimed in yet?<br />Phillip Helbighttps://www.blogger.com/profile/12067585245603436809noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-8782581438532245682013-07-15T12:15:08.040-04:002013-07-15T12:15:08.040-04:00"The breaking of chiral symmetry is what acco..."<i>The breaking of chiral symmetry is what accounts for the biggest part of the masses of nucleons</i>" Physics observes vacuum is mirror-symmetric toward massless photons. Physics assumes vacuum is mirror-symmetric toward matter. Theory then hemorrhages parity violations and chiral anomalies. Unending inserted symmetry breakings are excuses.<br /><br />Vacuum is a trace left foot Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.com