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

Jun2814 05:03 PM
marcus

63 
59,999 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

1 
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I was reading about Weyl Transformations in Polchinski's book and I have a little doubt: Is it correct to say that...

Jul104 01:11 PM
selfAdjoint

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I hope to be able to watch. Should be very interesting! The link below should host the webcast at some point.
...

Jun514 08:28 AM
atyy

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https://www.sciencenews.org/blog/context/it%E2%80%99stoosoondeclaresupersymmetrytragedy
I have just been...

Apr2314 11:27 AM
andrien

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2,099 
http://arxiv.org/abs/1312.2007
The Amplituhedron
Nima ArkaniHamed, Jaroslav Trnka
(Submitted on 6 Dec 2013)...

Feb1214 04:47 AM
ovidiu69

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2,098 
What is group field theory, and its relation LQG, CDT? There's no wiki article on gft.
I am aware of the numerous...

Mar2509 06:37 PM
ensabah6

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Many people say that geometry is at the heart of physics. However Albert Einstein in his last paper worte that he...

Nov3007 03:43 AM
George Jones

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In this paper*, Brian Greene just asserts that:
"In order to contribute nine to the central charge, the dimension...

Dec210 07:33 PM
negru

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Given the large number of citations, more than any other, even the 1967 Weinberg EW paper,
Does the Malcadena...

Mar1410 12:46 PM
humanino

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Is there an explanation for gravitational time dilation in string theory? String theorists say their equations can...

Aug1305 12:13 AM
εllipse

3 
2,090 
Is emergent spacetime the same as saying background independence?

Sep2606 10:39 PM
Chronos

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Carlip has argued that the dimensional reduction in many apprroaches to quantum gravity is related to the BKL limit...

Apr512 05:00 PM
marcus

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http://wwwconf.slac.stanford.edu/ssi/2005/lec_notes/Lykken1/default.htm
Every year Stanford SLAC has a summer...

Aug905 12:11 PM
ohwilleke

5 
2,084 
In string theory, a solution involving flat 10D space seems like a valid solution. The Universe could be described by...

Jan2610 04:35 PM
arivero

2 
2,084 
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

7 
2,083 
Hello everybody
I noticed here are people knowing Loop Quantum Gravity. I am not a professional physicist but I like...

Jan2210 11:18 AM
czes

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2,083 
Found this on Woit's:
http://www.arxiv.org/abs/hepth/0507171
Authors: S. W. Hawking
Reportno: DAMTP200566...

Jul3105 08:49 AM
alias25

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Hi there everybody. I heard an interview recently, that was done with Michio Kaku (www.mkaku.org) and InfidelGuy...

May904 03:56 PM
selfAdjoint

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2,081 
Hello  a few questions from a layman. A string's energy rises with the frequency with which it vibrates, right? So...

Sep1506 02:28 AM
litewave

0 
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http://arxiv.org/abs/0707.4513
Linearized dynamics from the 4simplex Regge action
Bianca Dittrich, Laurent Freidel,...

Jul3107 07:33 PM
marcus

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The appearance here of threads such as Causes of loss of interest in the String program and Is string theory really...

Apr2312 03:48 AM
Paulibus

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2,081 
Does anyone here have any information as to the contents of the presentation recently given by Eric Weinstein in...

May3113 04:18 AM
Markus Hanke

3 
2,081 
Backgroundindependence is the requirement that the theory be formulated based only on a bare differentiable manifold...

Jan1213 12:06 PM
fzero

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2,079 
Hi all,
The weblink pointed to the school of last year, this one should work:...

Jan2606 06:38 PM
Florian Gmeiner

0 
2,077 
http://arxiv.org/PS_cache/arxiv/pdf/1105/1105.5283v1.pdf
Abstract
We provide a simple transfer function that...

May2811 07:38 PM
atyy

10 
2,077 
http://arxiv.org/abs/0901.2984
Asymptotic safety in higherderivative gravity
Dario Benedetti, Pedro F. Machado,...

Jan2009 11:51 PM
marcus

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I am working on the detector signatures of charged (doubly) massive stable particle from a techicolor model; the...

Feb2208 08:52 AM
Oxymuon

0 
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http://www.physorg.com/news174921612.html
http://arxiv.org/PS_cache/arxiv/pdf/0910/0910.1589v1.pdf

Oct2809 10:35 AM
jpw

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I'm somewhat awed by this paper: The emergence of complex behaviors through causal entropic forces.
Now, I'm not a...

May2813 10:28 AM
mfb

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2,075 
http://arxiv.org/abs/hepth/0403199
Parity Invariance For Strings In Twistor Space
Authors: Edward Witten...

Apr2004 09:48 PM
marcus

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2,072 
hello to brainiacs everywhere,
i posted a few questions last year but only received replies which
pointed out my...

Nov406 03:17 PM
OSbandito

0 
2,072 
As I understand it, the spin of anything is with respect to the background spacetime. So I have to wonder if the spin...

Sep1812 11:51 PM
tom.stoer

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2,071 
It's often been hoped that gravity is topological, eg. Witten, Xu, Gu & Wen, Rovelli.
Heckman & Verlinde make a new...

Mar1412 02:06 PM
Blackforest

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2,070 
Three new papers appeared this week which strongly reinforce the Loop program.
1. The Ashtekar Sloan paper shows...

Jan710 10:34 PM
ensabah6

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2,069 
Why are theories of Quantum Mechanics and Relativity not possible to combine? I read this on wikipedia and heard this...

Sep2310 12:45 PM
inflector

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2,069 
Is there any theory for which "elementary" particles are "small" black holes or/and for which the electron and the...

Feb2512 03:13 AM
Blackforest

9 
2,069 
Hello,
i am given an action (only scalars) and i want to make it supersymmetric. Any hints?
Do i simply add...

Oct1711 01:58 AM
yola

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2,067 
The 4D triangulations are made up of a sequence of 3D triangulations or slices which are "glued" together with {4,1},...

Oct2509 06:37 PM
RUTA

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2,067 
As far as I know there is no firm prediction of any Lorentz bending derived from mainstream Loop.
The authorities on...

Aug2409 11:11 PM
marcus

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2,066 
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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This may seem like a naive question to some people.
I had always heard that Lqg can easily incorporate...

Sep311 02:53 AM
tom.stoer

3 
2,065 