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

Y 12:49 AM
marcus

64 
63,349 
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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25,883 
A hyperspace (faster then c) engine is being worked on by the U.S. It would work by going into another dimension based...

Jul1610 10:44 AM
Dr_Zinj

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34,725 
wikipedia says
http://en.wikipedia.org/wiki/Group_field_theory
Overview
Group field theory is a theory of...

Jul1410 12:49 AM
atyy

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1,612 
These values are due quantization of space time with 4 or more dimensions. But there is a catch here. There is no...

Jul1310 12:05 PM
MTd2

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Can we learn anything about the status of QG phenomenology by checking out the abstracts for the July talks?
Bee...

Jul1210 10:51 AM
marcus

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1,881 
My impression was that much of the 2009 interest in Horava gravity had waned. A number of problems with it were...

Jul1110 07:29 PM
marcus

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A view of reality emerging from current LQG research (like 1004.1780) is somewhat analogous to the "seething vacuum"...

Jul1110 06:57 PM
marcus

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2,334 
http://arxiv.org/abs/1007.1317
Black holes in an asymptotically safe gravity theory with higher derivatives
YiFu...

Jul1110 05:02 PM
Finbar

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2,699 
Has these results been extended to nonextremel BH?
Do they work when the cc is +, (deSitter) and where SUSY is...

Jul810 01:56 PM
Ben Niehoff

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1,405 
I was just reading Forbes' list of the world's most influential thinkers, and the profile on Ed Witten mentioned how...

Jul810 10:53 AM
atyy

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3,048 
If TeV scale supersymmetry turns out to be true, with Rparity conservation it has been argued the lightest...

Jul710 05:57 PM
hamster143

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Of these fifteen candidates, please indicate the paper or papers which you think will contribute most significantly to...

Jul610 10:42 PM
atyy

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4,730 
Based on Maxwell's equations, a physicist suggests that there should be a way to have a transformer to stepup or...

Jul610 01:51 PM
Naty1

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1,400 
I have read the papers of Verlinde, Jacobson, Beckenstein, Smoot and many other. They use the Unruh vacuum. It seems...

Jul510 03:36 AM
czes

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3,095 
Hi,
this is not based on detailed work but just an idea which arised comparing causal dynamical triangulations and...

Jul210 10:24 AM
tom.stoer

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1,567 
Hi,
I have a question about imposing constraints in order to obtain theories of gravity from gauge algebras.
...

Jul110 07:05 AM
haushofer

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1,141 
I have been pondering the description of matter recently, as some of you may have noticed by my recent posts in this...

Jul110 12:24 AM
jfy4

0 
704 
Hi everyone,
I'm soon going to be performing a project that looks at quantum turbulence of 3He and...

Jun2910 05:05 PM
arivero

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1,162 
So I was listening to a book by Leonard Susskind and he was explaining what it would be like crossing the event...

Jun2810 07:05 AM
Naty1

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2,402 
Allright, looking at at a bunch of string theories and using math to explain, it really looks like nonsense. Calculus...

Jun2710 11:16 PM
dpackard

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1,519 
At least one of us at this discussion board has expressed an interest in fractal modeling of spacetime, or of...

Jun2710 02:02 PM
Orbb

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3,190 
I was reading through Wikipedia under 'String Theory' recently and discovered that within the lest week a Theoretical...

Jun2110 12:10 AM
tom.stoer

10 
3,453 
Here I had been thinking the Unruh horizons and specifically black hole horizons were the only (thermal) radiators.
...

Jun1910 09:20 AM
bapowell

8 
1,740 
I have a few simple questions regarding the key equation in Verlinde's paper, which is
\Delta S = 2 \pi k_B...

Jun1810 04:01 PM
nrqed

3 
2,652 
Dear Friends:
I am a PhD. in Chemistry, born and studied in Germany, whereas I am working in Brazil in industry. My...

Jun1810 09:56 AM
Naty1

1 
1,130 
I was just wondering, I keep hearing different opinions on this, but how is the reputation of string theory now?
I...

Jun1710 12:56 PM
tom.stoer

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5,433 
Hi there, I'm new to this but trying like hell to figure the basics of this out, (as I did a while back but failed,...

Jun1510 07:04 PM
George Jones

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46,484 
http://pirsa.org/10020079/
Great talk about cool results. Perimeter has videos of a lot of excellent valuable...

Jun1510 12:26 PM
marcus

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4,347 
Hi everyone, this is my first post on Physicsforums. I've enjoyed lurking and learning from the knowledgeable folks...

Jun1410 10:19 PM
Arbitrageur

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2,473 
While reading Lee Smolin's book "Three Roads to Quantum Gravity" in which he talks about the Bekenstein bound and a...

Jun1410 02:39 AM
czes

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1,980 
A new formulation of LQG was given in the arxiv paper 1004.1780
which is easier for me to remember as 2010 April1780...

Jun1410 12:39 AM
tom.stoer

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1,564 
given a mul,tiloop integral
\int d^{4}k_{1} \int d^{4}k_{2}.................\int d^{4}k_{n}f(k_{1} ,...

Jun1310 04:10 PM
mathman

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1,805 
Hi,
Can someone suggest good sites to find a fairly comprehensive list of upcoming workshops (meaning for the rest...

Jun1110 02:59 PM
nrqed

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1,615 
I am A Ph.D em Chemistry and not so good in High Mathematics than most of you. Therefore forgive me if, if my idea is...

Jun1110 09:47 AM
Fra

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Dave Mattingly has been a frequent collaborator with Ted Jacobson (his thesis advisor). You know of Jacobson if, for...

Jun1110 12:26 AM
Fra

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2,005 
http://www.symmetrymagazine.org/breaking/2009/02/19/mostextremegammarayblastalsoprobesquantumgravity/Fermi%20Ob...

Jun1010 07:22 PM
MTd2

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We've been watching this development taking shape ever since the tentative Gambini Pullin papers about it in 2006. It...

Jun910 05:14 PM
Fra

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7,557 
I would be interested in your opinion about:
arXiv:1006.0984v1:
Physics of TransPlanckian Gravity
Authors: Gia...

Jun810 06:34 PM
marcus

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1,435 
Can't for the life of me remember the characteristic EW gaugino mass relation for CMSSM, nor can I track it down.
...

Jun810 02:58 PM
BenTheMan

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1,233 
If you measure the position of an elementary particle exactly, then its position becomes unknown. So consecutive...

Jun610 03:08 PM
CarlB

3 
1,510 
I have this, probably quite simple, problem. In the RNS superstring, when varying the action, we obtain in general a...

Jun510 06:55 PM
GargleBlast42

4 
1,610 