Beyond the Standard Models Forum

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Join expert and advanced topics on beyond the standard model of physics. This includes professionally researched theories like strings, branes, and LQG. Mainstream physics only.
Foundations of a theory of quantum gravity - Johan Noldus' book.
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Is there any definitive answer on unitarity in quantum gravity
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Are strings the key to understanding energy in string theory?
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Isn't M-theory and the multiverse idea a bit discouraging?
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New FQXI essay contest Is Reality Digital or Analog?
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Why is QM incompatible with GR and how does string theory solve this? Or M-Theory?
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Why point particle interaction has UV divergence,but string interaction does not?
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Latest results from the LHC are casting doubt on the theory of supersymmetry
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Naked singularities: evidence against compactified dimensions?
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Holography and Calabi-Yau compactifications
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The road to AdS/CFT-Correspondence
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Best Approach to Quantum Gravity
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Lectures on Loop Gravity (8 talks on the new version)
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Core lecture abstracts for QG school
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Quantum from classical behavior in higher dimensions?
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What are gravitons exactly and how will they help us prove string
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Information about black branes
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The Probing of, Approximation to and Idealization of Structure for Foundations
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Why is spacetime four-dimensional
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Modular invariance in string theory
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Where can I read about the superconformal algebra in 4D?
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Garett Lisi's 248-dimensional theory?
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Is String Theory the Key to Unifying Quantum Physics and Gravity?
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Is Verlinde's Gravity Theory Based on Relativistic Assumptions?
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Ontology of AdS/CFT classical on the bulk?
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Can Loop Gravity and String Theory be Compared Fairly?
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LQC and string theory combined in one theory
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Semiclassical Limit of Causal Dynamical Triangulations (Ambjorn, Loll et al)
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How could spacetime become discretised at the Planck scale?
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AdS/CFT correspondence and the cosmological constant
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  • Poll Poll
Theoretical Physics: Most Precise & Powerful Science
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Is the Creation of Our Universe from Nothing Truly Viable and Consistent?
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Century interons and quantum flux
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Do gravitons interact with photons?
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Is speculation in multiverses as immoral as speculation in subprime mortgages?
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Why did the other dimensions stay small in M-theory?
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QG five principles: superpos. locality diff-inv. cross-sym. Lorentz-inv.
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Counting Ghost Numbers in String Theory | Beltrami Parametrization
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Joe Henson rediscovers Rovelli Smerlak (dropping ontic definiteness assumption)
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A question about graviton self-interactions in QFT
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New Limits on Planck Scale Lorentz Violation (Floyd Stecker)
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Signs LQG has the right redefinition (or wrong?)
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Nonlinear, nonrelative wavefunction
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Unraveling the Mystery of Super Symmetry
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Clarification: relation spin network/spinfoam and Wen's Qbit lattice
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Suppose gravitons and Higgs were quasiparticles like phonons
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What is the center of SU(3) group
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If LQG now satisfactory, how to add matter?
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Gravity as a Zitterbewegung Interaction
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State Sums and (Quantum) Geometry: Frank Hellmann's PhD thesis
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How Much Info for Building a Universe?
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Lecture of Edward Witten and 2nd Dutch-IFT School (BRAZIL)
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An Exceptionally Simple Theory of Everything
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String Theory vs. Superstring theory
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A Slant on Warped Extra Dimensions
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Hot QG+M paper by John Barrett
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Birth Control in Euclidean Quantum Gravity: CDT
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Interested in Spinfoam Cosmology? Check out Francesca Vidotto's Online Talk!
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Interesting topics in Beyond the Standard Model
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John Baez and John Huerta Paper
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BeGroMaS: gravity was renormalizable after all, so why all the fuss?
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How can we systematically derive Casimir operators for graded Lie algebras?
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Fractal Space-Time and Microphysics: Towards a Theory of Scale Relativity
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FQXi grant awardee abstracts (novel time ideas)
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Gravity as a diffeomorphism invariant gauge theory (new Krasnov paper)
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What is the factor in the definition of [A,A] in differential forms?
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Constants of nature as determined by string theory
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What dictates the differences between realms within string theory?
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How does string theory address problem of time GR vs QM?
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Why not unify LQG with Superstring\M theory ?
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Do the extra dimensions really make sense?
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What causes topology change in Calabi-Yau manifolds?
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Decomposition of irrep. of G_2 into irreps. of A_2
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Gravity Weakness: Explaining Why It's Not as Weak as We Think
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A crazy idea about strings and energy
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Spinfoam Fermions, Lqg now has matter
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Can Spin Networks Overcome the Background Dependence in LQG Theory?
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Tears in spacetime shielded by strings
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Why Are There 11 Dimensions in M-Theory?
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What is the connection between polytopes and string theory in these papers?
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Supercharges commutation rules
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Vielbeins as gauge fields of local translations
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Can Lorentzian Signature Metrics Always Be Continued into Euclidean Signatures?
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Changing shape of calabi-yau manifolds: flop transitions
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Is N=4 ONLY a mathematical construct?
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Time discreteness and lorentz invariance
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Looking for the audio of the Duff-Smolin debate
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What is the Planck Scale for AS gravity?
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Impact of Gödel's incompleteness theorems on a TOE
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Quantum foam and discreteness of spactime for an idiot
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How does string theory avoids IR divergences
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String Theory: Minimal Distance Implications
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What is the role of combinatorics in the depths of string theory?
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Piareround's questions about LQG
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GUT Mass Unification Predictions
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Criticism of LQG - What do we miss?
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Is the Higgs Field Merely a Dressing Field?
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Role of in-house concept analysis done by the QG scientists themselves
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How to understand 11 dimensions
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Luboš Motl's Criticism of LQG - What Does He Miss?
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