
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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64,365 
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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Frank Wilczek has presented a way of looking at the world which is curiously consonant with Lattice Quantum Gravity...

Oct208 09:54 PM
Max™

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This may have been posted somewhere else but, I would like to know.
How do LQG theorists reconcile the fact that...

Oct208 05:25 AM
francesca

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I just heard about Oriti when 3 days ago. But it seems he has interesting ideas. I will try to understand what Oriti...

Sep3008 10:02 PM
MTd2

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We know of Daniele Oriti because he has been postdoc in Renate Loll's group in Utrecht (see the Loll SciAm link in my...

Sep2908 09:36 PM
MTd2

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This is a major advance in the inclusion of matter in fourvalent spin networks of Loop quantum gravity.
things...

Sep2808 11:50 PM
marcus

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Hi there,
I am giving a talk to my class entitled "Beyond the standard model"  guess where I got that name from :p
...

Sep2708 03:04 AM
atyy

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So, what are the theories' predictions which are going to be tested on LHC?
And if they won't be found, Does it...

Sep2608 05:54 PM
marcus

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3,101 
arXiv:0809.4218
Title: Nonquantum Gravity
Authors: Stephen Boughn
Comments: submitted to Foundations of Physics...

Sep2508 12:23 PM
Fra

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I know thanks to Marcus that there are papers, including an intro by Rovelli, that "together at last, LQG and...

Sep2408 07:25 PM
ensabah6

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Would it be possible for a human being or any other solid matter to be encapsuled or exist in a sort of "Vaccum" which...

Sep2308 04:07 AM
ZapperZ

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1,900 
In a new paper, Smolin sketches a mechanism by which the laws of physics can be selected naturally and thus evolve.
...

Sep2308 12:46 AM
Fra

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First question:
Since a neutral Higgs boson is its own antiparticle, and has zero spin, it appears to have zero for...

Sep1808 01:19 PM
masudr

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2,042 
Hello all. I have a quick question regarding gravity and I was wondering if someone could explain it to me in laymans...

Sep1608 09:22 PM
Haelfix

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5,005 
I've seen the statement repeated in many places that a stable knot comprising 1D curves cannot be created in 4D, since...

Sep1508 11:50 PM
Thomas Larsson

4 
2,212 
What are some falsifiable predicted consequences of SuperSymmetry?
Clearly, if super particles are found, people can...

Sep1508 03:02 AM
Haelfix

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1,522 
I am kind of a newbie to string theory. I just read Brain Greene’s “The Elegant Universe”. I thoroughly enjoyed it...

Sep1408 01:48 PM
gop

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21,605 
Hello everyone....
I am a new member, i am an engineering student , but working in physics all the time :) , i have...

Sep1308 12:46 AM
infinityanshu

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1,304 
People say that general relativity and quantum mechanics is not yet combined...i have a doubt,photon is the origin of...

Sep1108 03:13 PM
mathman

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In http://www.physicsforums.com/showthread.php?t=235006 there is a reference to Peter Woit's blog, which has one entry...

Sep1008 05:13 AM
Fra

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If the higgs boson is never found does that mean that the theory of weak interactions is partly useless because there...

Sep608 05:32 AM
chris_183

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1,576 
Any comment on his list? Items you would reformulate, combine, add or eliminate? Is this checklist a good schematic of...

Sep308 02:13 AM
Fra

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4,559 
In the KaluzaKlein approach, 4D electromagnetism is explained in terms of the curvature of a 5D space.
But I am...

Sep208 03:04 PM
Mentz114

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3,097 
I'm having problems understanding Hodge duality in its most basic form. It relates exterior p forms to exterior np...

Sep108 04:19 AM
Demystifier

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2,103 
It is always said, that string theory makes no testable predictions.
At least there are some qualitative predictions...

Aug3108 07:47 PM
marcus

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Just wondering. All this stuff of the brane world, where spacetime is a 3brane inside a 10 dim world... is not the...

Aug2908 10:12 PM
nrqed

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Much of the physics in 'Beyond the Standard Model' use a lot of abstract mathematics. So I was just wondering is doing...

Aug2908 08:37 AM
arivero

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Hope I'm in the right place here...
Found this article and was wondering what those in the know think of it.
I...

Aug2908 01:47 AM
cristo

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1,469 
There are the following two conferences happening this week.
Cosmo08 ...

Aug2808 07:44 AM
cristo

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1,538 
The nonstring, non relativistic version.
Consider two points of mass M rotating in a circle of radius R and...

Aug2608 06:22 AM
arivero

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hi,
as the topic title suggests, is that possible?
i was reading an article on string theory and i vaguely...

Aug2608 01:14 AM
bunburryist

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I've just read in the first pages of The Elegant Universe that Greene believes that all fundamental laws should be...

Aug2508 04:42 PM
Fra

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3,800 
What are the best uptodate summary/ introduction articles to the current state of quantum gravity, for someone who...

Aug2508 02:53 PM
SuperStringboy

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1,314 
I was reading a little bit about N = 4 SUSY, and I couldn't help but think that it's like the Pati Salam GUT. To get...

Aug2508 10:31 AM
BenTheMan

1 
1,261 
Hi , i am trying to learn the math formalism of Gauge Theories
as far as i know they begin with the 1form
A=...

Aug2308 04:38 PM
Jim Kata

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1,914 
This thread has a tight focus. Goerlich's slides
...

Aug2308 04:21 PM
marcus

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1,279 
Sorry to bug you all, but I have a question to ask. I have a bit of a worrying problem, so when I first heard about...

Aug2208 03:57 PM
PhilosophyofPhysics

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2,167 
I have posted an article in my blog with helpful links to understand spin network. I hope it helps.
...

Aug2108 04:51 PM
SuperStringboy

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I was wondering if anyone has ever tried to formulate a string theory with a 3D string rather than a 1D string. Has...

Aug2108 04:54 AM
Demystifier

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Does anybody understand how to put quantum field theory in terms of the geometric Langlands program? I'm kind of...

Aug2108 12:54 AM
Kea

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I believe it does, but I'm having a debate with someone and I'm trying to prove why the universe must have a wave...

Aug1508 09:31 PM
Happablapp

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3,759 