loop quantum gravity's latest activity
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Lloop quantum gravity replied to the thread Stargazing Falcon 9 predicted lunar impact.As the saying goes:"the Moon is not there, if nobody is looking..." :oldbiggrin:
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Lloop quantum gravity replied to the thread Comp Sci A question on solution 6.1-2 from CLRS.fixed that, thanks!
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Lloop quantum gravity posted the thread Comp Sci A question on solution 6.1-2 from CLRS in Engineering and Comp Sci Homework Help.How to prove the following claim? that: $$m=\lfloor \log_2 n \rfloor= \lfloor \lg n \rfloor$$ from $$n=2m+k−1$$ ? Obviously we...
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Lloop quantum gravity replied to the thread Graduate Is photon frequency intrinsic or observer-dependent?.what's the definition of ##k^\mu## here? is it momentum up to constant hbar or something else? maybe a wave number?
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Lloop quantum gravity replied to the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?.why is it notoriously wrong? I mean there are several SUSY theories and I think not all of them were bogged down by LHC, were they? On...
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Lloop quantum gravity reacted to PeterDonis's post in the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity? with
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The basic idea of string theory is that everything is emergent from the underlying string dynamics, including not just gravity but all... -
Lloop quantum gravity replied to the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?.Thanks for the reference if only I had the time to read it all. (I have quite a lot of books in maths and physics to be read; so it...
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Lloop quantum gravity replied to the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?.Does M theory and its companion F theory tell us if gravity is emergent or not? I guess they would say that some sort of vibrating...
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Lloop quantum gravity replied to the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?.Thanks for clearing matters out. Well, as for being emergent or not it depends if we have an experiment that shows bijectively that...
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Lloop quantum gravity reacted to PeterDonis's post in the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity? with
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That it's emergent from something else. No, that's not what "gravity" is when we're talking about whether it's emergent or not. What... -
Lloop quantum gravity reacted to renormalize's post in the thread Graduate Duality between Feynman graphs with
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Google Scholar is your friend; give it a try! Here's a 40 year old paper that addresses your question: A duality property of planar... -
Lloop quantum gravity replied to the thread Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?.What does it even mean that it's not fundamental force; if we recall that gravity field is exactly as acceleration field (inertial...
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Lloop quantum gravity reacted to Aufbauwerk 2045's post in the thread Latest Notable AI accomplishments with
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Perhaps true AI will come online at about the same time as commercial nuclear fusion reactors? That's always five years in the future as... -
LWelcome to PF!
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Lloop quantum gravity posted the thread Graduate Duality between Feynman graphs in High Energy, Nuclear, Particle Physics.There's a definition of a dual graph to another graph, here: https://en.wikipedia.org/wiki/Dual_graph Now QFT at least the perturbative...