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Experimental Search QG (Perimeter Oct. 2012)

  1. Sep 16, 2012 #1


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    Sometimes folks at forum venture the opinion that Quantum Geometry (=gravity) effects cannot be seen except at prohibitively high energies, leading them to conclude that QG research cannot reasonably expect guidance from experiment and observation.

    Generally speaking I think this is mistaken. I see a lot of phenomenological work which however mostly has to do with observational astronomy---what we can see and tell about the early universe: the Cosmic Microwave Background and evidence of an inflationary era or bounce. Nevertheless some researchers are more focused on the experimental side of the equation. Next month (October 2012) there will be a conference emphasizing that.

    http://www.perimeterinstitute.ca/en/Events/Experimental_Search_for_QG/Experimental_Search_for_Quantum_Gravity%3A_the_hard_facts/ [Broken]

    Since it is being held at Perimeter we can expect to be able to watch some of the presentations as online video, and it may teach us something. So this thread is about preparing for that. I will list the participants---most will be known to regulars at this forum and that will give an idea of the range of topics.

    There is also a kind of "mission statement" worth studying, I think, on the conference home page.
    Last edited by a moderator: May 6, 2017
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  3. Sep 16, 2012 #2


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    Here's an excerpt from the index page:
    Quantum Gravity tries to answer some of the most fundamental questions about the quantum nature of spacetime. To make progress in this area it is mandatory to establish a contact to observations and experiments and to learn what the "hard facts" on quantum gravity are, that nature provides us with.

    Quantum Gravity is a field where several approaches, based on different principles and assumptions, develop in parallel. At present it is not clear whether and how some of the approaches are compatible, and might share common properties. This meeting will draw on a diverse set of physicists who come to make proposals for quantum gravity phenomenology from a broad range of perspectives, including path-integral-inspired as well as canonical, and discrete as well as continuum-based approaches, providing a platform to exchange ideas with researchers working on theoretical and experimental aspects of different proposals.

    This will be the third in a series of meetings, the first of which was held at PI (2007), the second at NORDITA (2010).

    This meeting looks to the future and has two primary goals: 1) to assess the status of different proposals for QG phenomenology in the light of recent experimental results from Fermi, Auger, LHC etc. and 2) to discuss and stimulate new ideas and proposals, coming from a diverse set of viewpoints about quantum spacetime.

    Most of the participants have investigated several approaches to QG and can't be associated with any one branch of theory. Classifying these researchers does not really work, but I've tried FWIW to do that. I've highlighted RED those whose QG interest has been mainly Asymptotic Safety, the RG approach to quantum gravity.
    I've highlighted BLUE those whose interest I think has been primarily LQG and closely related (spin foam, simplicial, GFT).
    Those highlighted in MAGENTA have published in QG theory and/or phenomenology of various sorts--in most cases they've published LQG-related papers and collaborated with LQG people but I see their interests as substantially broader.

    Niayesh Afshordi, Perimeter Institute
    Stephon Alexander, Haverford College and Pennsylvania State University
    Giovanni Amelino-Camelia, University of Rome
    Ivan Arraut, Osaka University
    James Bardeen, University of Washington, Seattle
    Hugo Beauchemin,Tufts University
    Dario Benedetti, Albert Einstein Institute
    Dionigi Benincasa, Imperial College, London
    Eugenio Bianchi, Perimeter Institute
    Julien Bolmont, Pierre and Marie Curie University
    Alfio Bonanno, INAF Catania Astrophysical Observatory
    Robert Brandenberger, McGill University
    Avery Broderick, Perimeter Institute
    Xavier Calmet, University of Sussex
    Saurya Das, University of Lethbridge
    Antonio Di Domenico, University of Rome
    Bianca Dittrich, Perimeter Institute
    Astrid Eichhorn, Perimeter Institute
    Tobias Fritz, Perimeter Institute
    Florian Girelli, University of Waterloo
    Domenico Giulini, Institute for Theoretical Physics
    Jonathan Granot, University of Hertfordshire
    Sabine Hossenfelder, NORDITA
    Drew Jamieson, University of Guelph
    John Kelley, University of Wisconsin-Madison
    Jurek Kowalski-Glikman, Institute for Theoretical Physics
    Stefano Liberati, SISSA
    Daniel Litim, University of Sussex
    Seth Major, Hamilton College
    Joao Magueijo, Imperial College, London
    David Mattingly, University of New Hampshire
    John Moffat, Perimeter Institute
    Holger Mueller, University of California, Berkeley
    Robert Nemiroff, Michigan Technological University
    Daniele Oriti, Max Planck Institute for Gravitational Physics
    James Overduin, Towson University
    Roberto Percacci, SISSA
    Martin Reuter, University of Mainz
    Markus Risse, University of Siegen
    Alejandro Satz, University of Maryland
    Lorenzo Sindoni, Max Planck Institute for Gravitational Physics
    Lee Smolin, Perimeter Institute
    Fabrizio Sorba, Karlsruhe Institute of Technology
    Daniel Sudarsky, Universidad Nacional Autonoma de Mexico
    Nicolas Yunes, University of Montana
    Jonathan Ziprick, Perimeter Institute
    Last edited: Sep 16, 2012
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