BtSM Event Announcements

marcus

A potentially interesting conference this month at Perimeter:
Experimental Search for Quantum Gravity
http://www.perimeterinstitute.ca/en/...he_hard_facts/

The schedule of talks day by day:
http://www.perimeterinstitute.ca/Eve...r_QG/Schedule/

Abstracts of about 40 of the talks (several seem quite interesting):
http://www.perimeterinstitute.ca/Eve...r_QG/Schedule/

About 60 participants listed--nice mix of AsymSafeQG, LoopQG, observatory and lab QG Pheno, other:
http://www.perimeterinstitute.ca/Eve.../Participants/
It surprised me to see how much lab work they plan to discuss: new kinds of clocks and other instruments applicable to QG.

marcus

2013 Zakopane School (June 28 - July 7)

This will be a QG+related school. It will take place in the Polish mountain resort (where several LQG schools and workshops have been held in recent years) and it will precede a major triennial conference on General Relativity and Gravitation (GR-20) which will this time be held in Warsaw.

So the Zakopane school is one way that QG grad students and young researchers can warm up for the GR-20 and the Loops 2013 conferences planned for July.

http://th-www.if.uj.edu.pl/school/20...rs&titles.html
This time the school has a broader range of topics and is funded by Polish institutions instead of the ESF (the EU science foundation) which sponsored the earlier Zakopane QG schools and workshops. But as you can see there is some overlap:

Jan AMBJORN (NBI Copenhagen) TBA
Abhay ASHTEKAR* (PennState) Quantum Gravity and Cosmology
Eugenio BIANCHI (Perimeter Inst.) TBA
Renate LOLL (Utrecht Univ.) Simplicial Gravity
Ilya MANDEL (Birmingham Univ.) LIGO Experiment
Viatcheslav MUKHANOV (Munchen Univ.) TBA
Hans RINGSTROM (KTH Stockholm) Cauchy Problem in General Relativity
Ulrich SPERHAKE (CALTECH) TBA
Thomas THIEMANN (FAU Erlangen) TBA
David TONG (Cambridge) AdS/CMT
Robert M. WALD (Chicago Univ.) Thermodynamics and Stability of Black Holes
Toby WISEMAN (Imperial College) Ads/CMT
N.N. (VIRGO) VIRGO Experiment

Here are links for the large triennial conferences taking place later that month.
GR-20 Warsaw (week of 7 July):
http://gr20-amaldi10.edu.pl/index.php?id=18
Loops 2013 Perimeter Institute (week of 21 July):
http://www.perimeterinstitute.ca/conferences/loops-13

Jerzy Lewandowski, the main organizer of the Warsaw GR-20 conference, writes this about the Zako school:
==quote==
before GR20/Amaldi10 there will be a school
on:
loop quantum gravity, simplicial gravity,
mathematical and numerical gravity,
topics in classical gravity + experiment,
conformal symmetry in condensed matter physics,
conformal fielfd theory and AdS/CFT correspondence.
==endquote==
So we can see that there is a nice range of interrelated topics for which he and others have been getting speakers.

marcus

Update of the ILQGS Fall 2012 schedule. The schedule is now complete.

Sept. 4 Holonomy Spin Foam Models: Asymptotic Dynamics Frank Hellmann Albert Einstein Institute
Sept. 18 Flux coherent states Lorenzo Sindoni Albert Einstein Institute
Oct. 2 Lifting General Relativity to Observer Space Derek Wise FAU, Erlangen
Oct. 16 Horizon entropy from loop gravity Eugenio Bianchi Perimeter Institute
Oct. 30 Renormalization of Tensorial Group Field Theories Sylvain Carrozza Albert Einstein Institute
Nov 13 Twistorial structure of loop quantum gravity transition amplitudes Simone Speziale CPT-CNRS, Marseille
Nov. 27 Coarse graining: towards a cylindrically consistent dynamics Bianca Dittrich Perimeter Institute

http://relativity.phys.lsu.edu/ilqgs/ (online audio and slides PDF)

The topic of Dittrich's talk (coarse graining) relates to a paper she co-authored earlier this year:
http://arxiv.org/abs/1208.3388
Holonomy Spin Foam Models: Definition and Coarse Graining
Incidental information: Dittrich is one three Perimeter faculty on the committee organizing next year's Loops conference at PI, and also the senior person in charge of organizing LQG parallel sessions at the GR-20 conference to be held next year in Warsaw.

GR-20 Warsaw (week of 7 July):
http://gr20-amaldi10.edu.pl/index.php?id=18
Loops 2013 Perimeter Institute (week of 21 July):
http://www.perimeterinstitute.ca/conferences/loops-13

marcus

Do we need a physics of PASSAGE?
http://prce.hu/centre_for_time/jtf/FullProgram.pdf
The "block universe" idea (with time as a pseudo-spatial "dimension") is under pressure, and it may (in time

) be modified, reformed, or replaced.
This month there is a conference in Capetown South Africa bringing together Philosophers Physicists Linguistics folks and others to discuss the current state of this challenge to the spacetime block.

The local host George Ellis co-authored "Large Scale Structure of Space-Time" with Stephen Hawking. Ellis now has his own challenge to the conventional block universe. The basic problem is that the conventional block is incompatible with quantum theory.

The physicists are an interesting bunch (note the Causal Sets people):
Carlo Rovelli
George Ellis
Rafael Sorkin
Faye Dowker
Dan Oriti
Edward Anderson
===quote==

Do We Need a Physics of ‘Passage’?
10 — 14 December, 2012 :: Vineyard Hotel & Spa, Capetown, South Africa
Philosophers: David Albert, Christophe Bouton, David Braddon-Mitchell, Jeremy Butterfield, Christoph Hoerl, *Luciano Floridi, Rick Grush, Nick Huggett, Kristie Miller, Wayne Myrvold, Huw Price, Dean Rickles, Don Ross, Jos Uffink.
Physicists: Edward Anderson, Fay Dowker, Avshalom Elitzur, George Ellis, Daniele Oriti, Carlo Rovelli, Rafael Sorkin.
Psychologists & linguists: Alex Holcombe, Teresa McCormack, Kia Nobre, Chris Sinha.
...
...Twentieth century physics is often thought to have established that there is no distinction between past, present and future, no flow of time, and no fundamental direction of time. This viewpoint — the Block Universe, as it is sometimes called — is reflected in remarks such as the following:
We physicists know that the distinction between past, present and future is only a stubbornly persistent illusion. (Einstein)

The objective world simply is, it does not happen. Only to the gaze of my consciousness, crawling upward along the world-line of my body, does a section of the world come to life as a fleeting image in space which continuously changes in time. (Weyl)

...
However, the Block Universe view is under challenge from within physics, from theorists such as George Ellis, Lee Smolin and Chris Fuchs, who believe that in leaving out these elements, physics is missing something essential.

Thus there is a disagreement within physics about the proper aims of physics, in the case of the study of time. We believe that this is a clear case in which in order the resolve the disagreement within physics, we need to step back from physics and consider the question of 'what belongs where' in the study of time from a broader interdisciplinary perspective—informed, among other things, by expertise from the psychology of temporal perception and from the metaphysics of time.
...
...
===endquote===

marcus

An April 2013 conference presenting analysis of the initial results from the Planck mission of the European Space Agency
http://congrexprojects.com/13a11
(Thanks to Skydive Phil for spotting this)
By mapping the CMB background of ancient light, in higher resolution than was possible with the WMAP mission, Planck may help constrain quantum gravity/cosmology models of the start of expansion--bounce models in particular--and inflation.

marcus

http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html
ILQGS Spring 2013 Schedule

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander  Haverford College
Mar 12	 
Mar 26 Bianchi I LQC	                    Brajesh Gupt     LSU
Apr  9 TBA	                            Karim Noui	     Univ Tours
Apr 23	 
May  7

marcus

Another ILQGS timeslot filled in today.
http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html
ILQGS Spring 2013 Schedule

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander  Haverford College
Mar 12	 
Mar 26 Bianchi I LQC	                    Brajesh Gupt     LSU
Apr  9 TBA	                            Karim Noui	     Univ Tours
Apr 23 TBA                                  Martin Bojowald  Penn State	 
May  7

marcus

ILQGS Spring 2013 Schedule
http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander  Haverford College
Mar 12 Quantum reduced loop gravity	    E.Alesci/F.Cianfrani Univ. Erlangen 
Mar 26 Bianchi I LQC	                    Brajesh Gupt     LSU
Apr  9 TBA	                            Karim Noui	     Univ Tours
Apr 23 TBA                                  Martin Bojowald  Penn State	
May  7  unfilled timeslot

marcus

http://umbriel.phy.hr/mccqg2/index.p...ific-programme
June conference, Classical and Quantum Gravity, in scenic spot on Adriatic coast

Topics:
Alternative Theories of Gravity
Black Holes and Compact Objects
Cosmology
Gravity and Strings
Quantum Gravity
Experimental Gravity

Speakers include:
L. Amendola (Heidelberg U., Germany)
A. Ashtekar (Penn State U., USA)
R. Brandenberger (Mc Gill U., Canada)
J. De Boer (U. of Amsterdam, The Netherlands)
P. Dominis-Prester (U. Rijeka, Croatia)
G. Dvali (LMU and MPI Munich & NYU New York)
G. Ellis (Cape Town U., South Africa)
V. Ferrari (U. La Sapienza, Rome, Italy)
D. Grumiller (VUT, Austria)
T. Jacobson (Maryland U., USA)
C. Kiefer (Koln U, Germany)
S. Mathur (Ohio State U., USA)
R. Percacci (Sissa, Italy)
M. Rangamani (Durham U., UK)
M. Sakellariadou (King's College, UK)
B.S. Sathyaprakash (Cardiff U., UK)
W. Song (Harvard U., USA)
H. Štefančić (RBI, Zagreb, Croatia)
J. Zanelli (CECs, Valdivia, Chile)
===========================
Quantum Geom. and Matter Workshop at the SISSA, Trieste, in April.
http://www.math.sissa.it/workshop/qu...try-and-matter

Monday thru Friday 8 - 12 April.

marcus

ILQGS Spring 2013 Schedule
http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander  Haverford College
Mar 12 Quantum reduced loop gravity	    E.Alesci/F.Cianfrani Univ. Erlangen 
Mar 26 Bianchi I LQC	                    Brajesh Gupt     LSU
Apr  9 TBA	                            Karim Noui	     Univ Tours
Apr 23 TBA                                  Martin Bojowald  Penn State	
May  7 Emergence of BF theories and gravi-weak Plebanski models from spinors
					    Antonino Marciano  Dartmouth College

marcus

Planck spacecraft results to be announced on 21 March, see this URL:
http://www.rssd.esa.int/index.php?project=planck
To be followed, the first week of April, by this conference that Skydivephil already told us about:
http://congrexprojects.com/13a11

marcus

Update of ILQGS Spring 2013 Schedule
http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander  Haverford College
Mar 12 Quantum reduced loop gravity	    E.Alesci/F.Cianfrani Univ. Erlangen 
Mar 26 Bianchi I LQC	                    Brajesh Gupt     LSU
Apr  9 Black holes w.complex Barbero-Immirzi parameter Karim Noui Univ Tours
Apr 23 TBA                                  Martin Bojowald  Penn State	
May  7 Emergence of BF theories and gravi-weak Plebanski models from spinors
					    Antonino Marciano  Dartmouth College

marcus

The ILQGS Spring 2013 Schedule is now complete.
http://relativity.phys.lsu.edu/ilqgs/schedulesp13.html

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander Dartmouth College
Mar 12 Quantum reduced loop gravity	    E.Alesci/F.Cianfrani Univ. Erlangen 
Mar 26 BianchiI LQC,Kasner shifts&inflation Brajesh Gupt     LSU
Apr  9 Hamiltonian spinfoam gravity         Wolfgang Wieland CPT Marseille
Apr 23 A Loop quantum multiverse?           Martin Bojowald  Penn State	
May  7 Emergence of BF theories and gravi-weak Plebanski models from spinors
					    Antonino Marciano Dartmouth College

marcus

The ILQGS Spring 2013 Schedule has been revised.
http://relativity.phys.lsu.edu/ilqgs/

Code:

DATE	Seminar Title	                    Speaker 	     Institution
Jan 29 Entanglement in loop quantum gravity Eugenio Bianchi  Perimeter Institute
Feb 12 Dynamical chaos and the volume gap   Hal Haggard	     CPT Marseille
Feb 26 Gravity electroweak unification	    Stephon Alexander Dartmouth College
Mar 12 Quantum reduced loop gravity	    E.Alesci/F.Cianfrani Univ. Erlangen 
Mar 26 BianchiI LQC,Kasner shifts&inflation Brajesh Gupt     LSU
Apr  9 Hamiltonian spinfoam gravity         Wolfgang Wieland CPT Marseille
Apr 23 A Loop quantum multiverse?           Martin Bojowald  Penn State	
May  7 The imaginary part of the GR action and large-spin 4-simplex amplitude
                                            Yasha Neiman PennState

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marcus Recognitions: Gold Member Science Advisor	Planck spacecraft results to be announced on 21 March, see this URL: http://www.rssd.esa.int/index.php?project=planck To be followed, the first week of April, by this conference that Skydivephil already told us about: http://congrexprojects.com/13a11