
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Jul2714 12:49 AM
marcus

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64,350 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

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Another silly question here :)
What are some of the cosmological observations a TOE must agree with? (I'm making a...

Jun2411 08:40 AM
qsa

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So the Hamiltonian of the wavefunction of the universe is equivalent to zero. Am I correct in interpreting this as a...

Aug2909 09:49 AM
Finbar

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Is there a Lagrangian from which the modified Maxwell equations including a magnetic charge density (magnetic...

Apr413 06:14 AM
sheaf

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To everyone,
Being new to string theory (mtheory) this theory is not completely clear to me. I'd be like if some...

Sep2704 08:08 AM
aekanshchumber

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In the Wikipedia article "Quantum Gravity", it claims that there is some experimental motivation for finding a quantum...

Sep1112 08:03 AM
atyy

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I've been reading up on gauge theory and it isn't easy. Can someone give me an easy summary of its fundamental scope...

Feb313 02:56 PM
Naty1

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http://science.uniserve.edu.au/school/curric/stage6/phys/space/relativ.html
There are many, many sites on the web...

Nov2103 12:16 PM
marcus

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Please post suggestions for what could turn out to be "Most Influential Paper" that you see between now and June.
...

Jun2606 10:10 AM
marcus

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Haelfix pointed out the paper "Quantum Topologically Massive Gravity in de Sitter Space", which calculates a partition...

Jun311 07:33 PM
mitchell porter

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Any experts in using SOFTSUSY (the tool) here?

Dec511 01:55 AM
chrispb

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Hi,
there is the following workshop this summer at Stony Brook:
...

Feb706 06:00 AM
Stefan Fredenhagen

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An interesting property of the Unruh effect is that the very existence of particles depends on a frame. Unruh...

Apr2709 03:24 AM
Demystifier

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Thank you Marcus for spotting this paper.
Fotini Markopoulou takes a non reductionist view of planckian physics in...

Dec210 06:09 AM
John86

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I’m struggling to put the Higgs mechanism into the context of established physics. It seems to me that the concept of...

Oct2612 01:30 AM
tom.stoer

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this is the September conference that Francesca told us about, we have a bit more information about it now, like the...

Jan2207 04:39 PM
francesca

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ok so in the cyclic model of the universe...two branes are colliding and this is causing big bangs every few trillion...

Dec2110 05:03 AM
torquil

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I want to recommend the following paper to anyone who wants the spec up on Renormalization Group flows, fixed points,...

Oct1006 10:26 PM
Chronos

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I read somewhere that a system consisting of a single black hole contains the maximum possible amount of entropy...

Sep2706 01:42 PM
TriTertButoxy

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This thread is in case discussion of the following paper is wished.
http://arxiv.org/abs/1102.0954
The Holst Action...

May1211 07:15 AM
nicoo

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We often talk of the possibilities of discovering TOE, through such things as string theory. And I have heard some of...

Aug2504 04:03 PM
humanino

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I decided to start this thread and it can be moved to wherever people might feel it appropriate, under the heading of...

Sep204 08:05 PM
Mike2

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What I understand mathematically:
The Polyakov action has three symmetries of the world...

Oct904 12:04 PM
naunzer

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I wasn't certain if this topic strictly belonged in the GR forum.
I have read the article 'Singular disk of matter...

Feb808 10:18 PM
shalayka

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I came across an interesting discussion about LQG's philosophy (through Googling "Cauchy surface" and "loop quantum...

Dec108 03:34 AM
atyy

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Okay so if we assume strings (as described in superstring theory or M theory) are about the size of plank length, then...

Mar1611 01:53 AM
MathematicalPhysicist

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My question is simple and straight forward  how does a 1dimensional string "convert" to a zerodimensional point...

Jan1209 04:36 PM
derek.basler

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String theory requires 9 spatial dimensions, Mtheory 10.
One followup to Verlinde's paper is this:
...

Feb310 08:01 AM
dark_energy

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Is somebody here involved with the causal set approach to QG?
http://arxiv.org/abs/grqc/0309009 is a nice...

Sep2709 09:56 AM
Carey

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I came across a curious site on this topic:...

Mar1711 09:15 AM
Physics Monkey

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Canonical theories of gravities imply a foliation of spacetime into 3 hypersurfaces, each one labeled by time and...

Dec2712 10:25 AM
marcus

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Hi All :smile:,
I have a question which is at least partly one of believe but I would be interested in your...

Nov1606 03:00 PM
william donnelly

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This is very interesting, is it the first proposed method (that is within reasonable energy for particle accelerators)...

Oct1612 01:00 PM
NanoPassion

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Does string theory provide an explanation for the collapse of the wave function in QM?
Thank you in advance for...

Nov1606 05:12 AM
Demystifier

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Well, not new insights, but at least new paper and a new face:
http://arxiv.org/abs/1204.0328 Particle Physics from...

Apr712 08:45 AM
arivero

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String theory takes a lot of its motivation fron the conformal anomaly,
and the way to get rid of it. Can somebody...

Jul1806 05:00 AM
Alexey Popov

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Just a stupid question (?), I have read about planck time, length, etc... as possible smallest measurable elements of...

Feb2507 12:37 PM
marcus

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*************************************************************
http://groups.yahoo.com/group/AstroDeep/17
CSL1...

Jan2606 06:37 PM
Rich Murray

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Bryce Seligman DeWitt, Jane and Roland Blumberg Professor in Physics,
Emeritus, at the University of Texas of Austin,...

Oct104 10:54 PM
marcus

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This paper is dated to the 23rd of December, and seems to be a nice idea...
http://arxiv.org/abs/hepth/0312278

Jan1004 01:47 PM
Ernies

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Sorry this is all a bit condensed, but people seem interested in
this mass gap question so here are some more...

Nov2404 02:44 PM
Kea

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