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.
Graduate Lagrangians and conserved quantities
  • quasar_4
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Graduate Is the lack of infinities in LQG due to quantization of volume and area?
  • zetafunction
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Graduate Could someone explain this entropic force business to me?
  • LukeD
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Graduate Boundary conditions on D-Branes
  • wam_mi
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Graduate Mass vs Distance: Does Distance Affect Mass?
  • binbots
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Graduate Why don't strings have a huge Planck mass?
  • johne1618
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Graduate The Cosmic Landscape: A Review by Patrick
  • Io_18
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Graduate What is the relationship between loop quantum gravity and relational spacetime?
  • Hoku
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Graduate Is the GLO definition of emergence a good one? (Girelli Livine Oriti)
  • marcus
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Graduate String Theory and Twistor Theory Combined
  • Naty1
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Graduate String Theory: Is an Atom Made of 1 or Millions of Quarks?
  • clm321
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Graduate Which Came First: Hawking Radiation or the Big Bang?
  • Terry Giblin
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Graduate Any Laboratory Scale Test of GR's correction to Newtonian Gravity?
  • petergreat
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Graduate How Does the Dirac Conjugation Operator Affect Majorana Neutrino Mass Terms?
  • rkrsnan
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Graduate Implications of Verlinde entropy on string theory
  • ensabah6
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Graduate Worldsheet ghost stress-energy tensor
  • AntideSitter
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Graduate What Are Tri-Linear Invariants in M-Theory and 3-Algebras?
  • tom.stoer
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Undergrad What Was Einstein Searching For in His Final Years?
  • binbots
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Graduate Ideas on M-Theory: Credibility & Evidence
  • Benjamin113
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Graduate How Does Verlinde's Theory Link LQG with Newtonian Gravity?
  • marcus
  • · Replies 136 ·
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Graduate Uncovering the Connection: Feynman's Insight on the Gaussian Integral and Pi
  • ibmichuco
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Graduate Silly question about n.of dimensions in m-theory
  • matteo210
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Graduate How to determine the number of supercharges (N) for any dimension (D)?
  • Osiris
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Graduate Verlinde, LQG, entropy and gravity as a fundamental force vs emergent
  • ensabah6
  • · Replies 42 ·
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Graduate Kowalski path to entropic force
  • marcus
  • · Replies 13 ·
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Graduate Is Gravity a Residual Force from Fundamental Interactions?
  • RobComer
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Graduate Intrinsic geometry vs intrinsic information
  • Fra
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Graduate Holographic / entropic approaches - why SU(2)?
  • tom.stoer
  • · Replies 38 ·
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Graduate Entropic force: I don't get it
  • Coin
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Graduate String entropy and black hole entropy
  • wam_mi
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Graduate Silly question about units of Momentum Density from NG Action
  • benbenny
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Graduate Proofs of Coleman-Mandula & Haag-Lopuszanski-Sohnius Theorems
  • nughret
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Graduate Technical question about Hawking radiation
  • Dmitry67
  • · Replies 7 ·
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Graduate Understanding Groups in Type IIB Superstring Theory
  • wam_mi
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Graduate What is the Causal Sets Approach to Quantum Gravity?
  • selfAdjoint
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Graduate How Does Modified Gravity Theory Address Black Holes and the Universe's Origins?
  • emc2cracker
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Graduate Remembering Matvei Bronstein: A Forgotten Physicist
  • rhody
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Graduate Mode Expansion of Closed String with Compact Dimensions
  • benbenny
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Graduate Every Wikipedia physics article In need of Attention From Expert ?
  • petergreat
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Graduate What Does the Kinetic Term of the SO(10) GUT Lagrangian Look Like?
  • rkrsnan
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Graduate Hamiltonian Density: Definition & Practical Examples
  • Jerbearrrrrr
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Graduate Are Neutrons Mostly Empty Space Like Black Holes?
  • TheTommy1
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Graduate What Does Tension of Our Universe Mean?
  • alejandrito29
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Graduate What are unified theories trying to match at lower energies?
  • crackjack
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Graduate Beta Function in String Theory
  • nyc
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Graduate In how many directions can time move?
  • Daveman20
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Graduate String Theory: The Need for Zero Distances
  • edpell
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Graduate Is String Theory the Key to Understanding the Multiverse?
  • hossi
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Graduate Yershov's Preon Theory & Bilson-Thompson & LQG & mass prediction
  • bananan
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Graduate Does Verlinde argument imply 3 spatial dimensions and rules out String theory?
  • ensabah6
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Graduate Horava Gravity proven wrong, ruled out, etc.
  • MTd2
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Graduate Can string theory include fermions without supersymmetry?
  • petergreat
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Graduate P-Brane vs Dp-Brane: Understanding the Differences in Type IIB String Theory
  • wam_mi
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Graduate What are the key differences between BPS black holes and AdS black holes?
  • wam_mi
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Undergrad Mathematics proof vs Physicists proof
  • farleyknight
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Graduate The Elegant Universe (Nova Series) - Thoughts?
  • khkwang
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Graduate Inside subspace, hyperspace and cosmic strings
  • questiner
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Graduate Theoretical Lossless Wave Propagation
  • inflector
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Graduate Unparticle Physics and Higgs Sector
  • Tack
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Graduate Is There a Logical Difficulty with the Larmor Formula?
  • GRDixon
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Graduate How generally can an AdS/CFT analogy be made?
  • atyy
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Graduate I know the main points of string theory, but can someone tell me where
  • HarryDaniels
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Graduate What are the key concepts of Loop Quantum Cosmology?
  • Physics Monkey
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Graduate Horizon in AdS/CFT: CFT in Black Hole Spacetime
  • atyy
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Graduate How Do Vielbeins Function in Higher-Dimensional Kaluza-Klein Theory?
  • cje
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Graduate Theory of Electron String: Vibration, Parameters & Length
  • Pjpic
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Graduate String theory and 6D Yau-Calibi like protein folding?
  • ensabah6
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Graduate D=11 and almost predictive statements.
  • arivero
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Graduate Czes-Arivero discussion re Compton wavelength and new Smolin paper
  • marcus
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Undergrad Attacking Einstein (and other pursuits)
  • Gorn
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Graduate List of Compact 7 dimensional Einstein manifolds
  • arivero
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Graduate Is There an Accepted Theory for Quantum Gravity?
  • hover
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Graduate LQG and Cramer's Transactional Int.
  • czes
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Graduate Classifying SUGRAs: Reproduce SM & Finiteness
  • tom.stoer
  • · Replies 21 ·
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Graduate Could someone clarify the Multiverse theory of things
  • peter09
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Graduate What role does torsion'' play in string theory?
  • arroy_0205
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Graduate Could it just be 4 different dimensions not 11?
  • clm321
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Graduate Time, String Theory & Beyond: Brett's Quest for Understanding
  • Daglis
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Graduate Curled up dimensions and Lorentz invariance
  • JustinLevy
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Graduate String theory: fundemental properties of string
  • JustinLevy
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Graduate String Theory: Nambu-Goto or Polyakov?
  • wam_mi
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Graduate Are Other Universes Governed by Same Fundamental Forces?
  • rygar
  • · Replies 20 ·
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Graduate Could an Infinite Matrix Redefine Our Understanding of Existence?
  • shunyadragon
  • · Replies 1 ·
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Graduate Explaining the Holographic Principle - Physics & Math
  • Mononoke
  • · Replies 16 ·
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Graduate Is Ilja Schmelzer's Quantum Gravity Approach a Game Changer?
  • marcus
  • · Replies 21 ·
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Graduate How can strings have multiple windings?
  • ConcreteF
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Graduate Special Relativity vs. Curled up spacial dimensions
  • Zula110100100
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Graduate Explanation why our universe and nature’s laws exist.
  • kvdr
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Graduate Solution to the Cosmological Constant, Zero-Point Energy, P.D. Mannheim
  • tom.stoer
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Graduate Is quantum gravity viable without gravitons?
  • ensabah6
  • · Replies 21 ·
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Graduate Hamiltonian Formalism: Equations of Motion for Lagrangians | Explained
  • vertices
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Graduate Can a time dependent field to be conservative?
  • BarbaraDav
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Undergrad Cause of Gravity? - Uncovering the Mysteries of Physics
  • MichaelT
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Graduate How to find the metric given the interval
  • vertices
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Graduate Topics in modern theoretical physics with interesting philosophical implications
  • flyzeggs
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Undergrad Visualising Tensors: Physics Explanation & Examples
  • nolanp2
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Graduate 1999-2009, key results look back in string & LQG
  • ensabah6
  • · Replies 1 ·
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Graduate History of Loop Quantum Gravity
  • JustinLevy
  • · Replies 12 ·
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Graduate Reinforcing the Loop Program: 3 New Papers
  • marcus
  • · Replies 13 ·
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Graduate Why not higher dimensions in string is timelike?
  • ensabah6
  • · Replies 20 ·
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