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.
  • Sticky
Graduate Loop-and-allied QG bibliography
  • marcus
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  • Sticky
Insights Why Higher Category Theory in Physics? - Comments
  • Urs Schreiber
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  • Sticky
Insights Super p-Brane Theory Emerging from Super Homotopy Theory - Comments
  • Urs Schreiber
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  • Sticky
Insights Emergence from the Superpoint - Comments
  • Urs Schreiber
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6
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  • Sticky
Graduate Forum Rules - PLEASE READ BEFORE POSTING
  • Doc Al
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Graduate Using the Homotopy Analysis method in QG and BSM for solving nasty DEs
  • loop quantum gravity
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Undergrad If gravity is emergent, how does this affect string theory and loop quantum gravity?
  • kodama
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Undergrad Published electroweak coincidences
  • arivero
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Graduate What is new with Koide sum rules?
  • arivero
  • · Replies 344 ·
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Undergrad High-Energy Pb-Emulsion Collisions at CERN and x17
  • kodama
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Graduate Are Almost Commutative Geometries a sort of Kaluza Klein limit, or no?
  • arivero
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Undergrad FLRW metric challenged, Einstein-Euler equations as alternative?
  • nomadreid
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Graduate FDM as a physical substrate for the pilot wave, has this been examined?
  • mzhb
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Undergrad Gravity at large scales: force hierarchy or charge cancellation?
  • Roberto Pavani
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Undergrad Looking for academic resources and review papers regarding the theoretical mechanisms of proton decay limits and GUT predictions
  • yisyelkencisi
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Graduate Strings from almost nothing
  • Paul Colby
  • · Replies 1 ·
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Graduate The wrong turn of string theory: our world is SUSY at low energies
  • arivero
  • · Replies 352 ·
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Undergrad MOND disproved at large scales
  • timmdeeg
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Undergrad Hawking radiation may smooth black hole singularities
  • atyy
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Graduate New symmetry principles and anomalies
  • arivero
  • · Replies 10 ·
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Undergrad Geodesics in quantum gravity: Missing Link
  • kodama
  • · Replies 10 ·
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Undergrad Is Gravi-GUT a candidate theory of everything?
  • kodama
  • · Replies 21 ·
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Graduate What are the most fundamental entities in the SM and QFT?
  • Loulougaga
  • · Replies 6 ·
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Graduate "GR from RG" (dynamical gravity from renormalization group flow)
  • mitchell porter
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Graduate Photon dilemma for MOND-like dark matter
  • mitchell porter
  • · Replies 16 ·
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Undergrad All possible models to explain the hierarchy problem?
  • Suekdccia
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Undergrad What upcoming experiments hold hope for physics BTSM?
  • Kontilera
  • · Replies 17 ·
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Graduate Quaternionic Rays instead of Complex
  • Antizzio
  • · Replies 56 ·
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Graduate Seiberg Duality (or dualities)
  • arivero
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Graduate Why Does the Standard Model Use Six Dimensions for Probability Calculations?
  • Marty4691
  • · Replies 21 ·
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Graduate Did Stephen Hawking fix his numerical mistake?
  • mad mathematician
  • · Replies 15 ·
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Graduate How to fix Relativistic QM so it's consistent?
  • mad mathematician
  • · Replies 26 ·
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26
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Undergrad Nested universes across scales - existing literature?
  • Mickey 6
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Graduate Dasgupta et al., What is the alternative to a unique dS vacua?
  • Fra
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14
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Undergrad Questioning the timescape model
  • timmdeeg
  • · Replies 27 ·
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Graduate Is there some sort of transformation between Mandelstam parameters and Stokes parameters?
  • mad mathematician
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Undergrad Question on derivation of a property of Poisson brackets
  • simonstar76
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Graduate Paper Recommendation Request: on Formation of "Bubble" universes
  • Lynch101
  • · Replies 11 ·
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11
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3K
Undergrad On the Quantum Mechanics of Entropic Forces
  • kodama
  • · Replies 11 ·
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11
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3K
Undergrad Strings 2025 Conference: Insights, Criticisms, and Key Highlights
  • mitchell porter
  • · Replies 30 ·
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Undergrad A novel explanation of CKM and PMNS matrix parameters
  • ohwilleke
  • · Replies 3 ·
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Graduate The Exceptional Jordan Algebra in physics
  • kodama
  • · Replies 4 ·
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High School The M paradox
  • MahamedIfzal
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Graduate New ideas on confinement and meson masses from Brazil
  • mitchell porter
  • · Replies 4 ·
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Undergrad A question about the origin of Coulomb's law and point charge divergence
  • Vadim 123
  • · Replies 13 ·
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Undergrad Infinite number of spatial dimensions (maybe also time dimensions)
  • mad mathematician
  • · Replies 7 ·
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7
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Undergrad The Universe is No Simulation
  • fresh_42
  • · Replies 7 ·
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7
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High School Black to white transition in LQC
  • javisot
  • · Replies 7 ·
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7
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Graduate The "electroweak eta meson"
  • mitchell porter
  • · Replies 8 ·
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Graduate Discussion of "Two-Time Physics" (I. Bars) and its potential cosmological implications
  • Anzerskiy
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High School Is Gravity an entropic property like Surface Tension
  • marees
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Undergrad Recovering Hamilton's Equations from Poisson brackets
  • brotherbobby
  • · Replies 2 ·
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High School Does a Probabilistic Multiverse Invalidate the Value of Scientific Inquiry?
  • Zehpyr
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Undergrad Gravitational self-interaction: another attempt to replace Dark Matter
  • timmdeeg
  • · Replies 15 ·
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Graduate Twistors and celestial holography
  • mitchell porter
  • · Replies 21 ·
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Undergrad Detecting Gravitons?
  • sbrothy
  • · Replies 1 ·
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Graduate Inertial mass, the Higgs field, and Mach's Principle
  • Iskandarani
  • · Replies 3 ·
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Graduate Vortex loop stabilization in SU(N) gauge theory - DBI term approach
  • vorker
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Undergrad Relationship between nuclear magnetic physics and Maxwell's demon
  • juliocastro
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Undergrad Wick-rotated Riemannian metric that takes leaky gravity into account
  • Onyx
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Undergrad Fermion doubling problem and three generations of standard model
  • kodama
  • · Replies 18 ·
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Undergrad Deriving the conformal Laplacian
  • Ssnow
  • · Replies 1 ·
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Undergrad "Violation of the Equivalence Principle in Disk Galaxies" newly interpreted
  • timmdeeg
  • · Replies 7 ·
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Graduate A couple of long questions on positivity bounds for UV-complete EFTs
  • Suekdccia
  • · Replies 4 ·
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Undergrad Topic about physics axioms, theory, laws etc..
  • user079622
  • · Replies 93 ·
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Undergrad Is ##p^k = \partial L / \partial \dot{x}^k## true for all ##L##'s?
  • Kostik
  • · Replies 2 ·
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Graduate MOND from SU(2) gravitational dipoles
  • mitchell porter
  • · Replies 1 ·
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Undergrad What is the Current Status and Future Perspective on Low's Soft-Photon Puzzle?
  • kodama
  • · Replies 3 ·
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Graduate "Half a century of Supergravity" book
  • arivero
  • · Replies 6 ·
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High School Warp drive research of Prof David Pares
  • Anthony11
  • · Replies 3 ·
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Graduate Reconciling Determinism, Entropy, and Quantum Statistics
  • ahmidi
  • · Replies 6 ·
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Undergrad Updates on the experiments X17
  • kodama
  • · Replies 50 ·
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Graduate Thermodynamic Approaches to Quantum Gravity: Discussion
  • BaronBautista
  • · Replies 1 ·
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Undergrad Do "bubble universes" in eternal inflation have their own spacetime?
  • Suekdccia
  • · Replies 24 ·
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Graduate Furey's superalgebra and the standard model
  • mitchell porter
  • · Replies 4 ·
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Undergrad Is Spacetime infinite dimensional?
  • Ax_xiom
  • · Replies 9 ·
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High School What is the Dean Paradox and How Does it Relate to Zeno's Paradox?
  • prasanga
  • · Replies 8 ·
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High School Definition of black hole, according to Maldacena
  • javisot
  • · Replies 18 ·
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High School Regular black holes
  • javisot
  • · Replies 12 ·
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Graduate Bivector mediation of standard field equations to form coupled system
  • physicslife
  • · Replies 17 ·
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17
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Undergrad Two kinds of pressure
  • Demystifier
  • · Replies 24 ·
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24
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Graduate Trying to explore a theory I have
  • Triggsy
  • · Replies 1 ·
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Undergrad Lorentz Invariance?
  • Purge
  • · Replies 9 ·
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Undergrad Anomalous Ionization in the Central Molecular Zone by Sub-GeV Dark Matter
  • kodama
  • · Replies 0 ·
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Graduate Decomposition of SU(2)-invariant spin network state in 3 dimensions
  • Bertin
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Undergrad Gravitons and General Relativity
  • Rick16
  • · Replies 37 ·
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Undergrad Witten’s paper: "A Note On The Canonical Formalism for Gravity" LQG
  • kodama
  • · Replies 16 ·
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16
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Undergrad Physics Review Letters 134: Probing New Bosons and Nuclear Structure with Ytterbium Isotope Shifts
  • kodama
  • · Replies 3 ·
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3
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Undergrad Space and time and human imagination
  • Rick16
  • · Replies 6 ·
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6
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Undergrad How deep does it need to go for a physics theory to be consistent?
  • Aleberto69
  • · Replies 50 ·
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Graduate Incorporating Twistor theory into LQG
  • mad mathematician
  • · Replies 7 ·
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7
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4K
Graduate Fermions, Monopoles & Quantum Hall: New Advances
  • mitchell porter
  • · Replies 12 ·
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12
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7K
Undergrad Modeling the Kaluza-Klein theory
  • AnselmsApprentice
  • · Replies 12 ·
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12
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9K
Graduate G. Bianconi: Gravity from Entropy
  • antaris
  • · Replies 1 ·
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1
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3K
High School Can all the laws of nature always can be written in simple single equations alone?
  • shivakumar
  • · Replies 17 ·
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Undergrad Some questions about Coleman's Baby Universe model
  • Suekdccia
  • · Replies 1 ·
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1
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Graduate Why does the principle of stationary action work?
  • Physics_Math_CS
  • · Replies 3 ·
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3
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Graduate Shahar Hod's bound on the fine-structure constant
  • mitchell porter
  • · Replies 10 ·
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10
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Undergrad Canonical transformation from canonical to kinetic momentum
  • DrDu
  • · Replies 7 ·
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7
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Undergrad Mathematical proof for the Lagrangian function
  • Silver2007
  • · Replies 4 ·
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4
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Undergrad Axion production via Bremsstrahlung - Simple maths question
  • Milsomonk
  • · Replies 1 ·
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1
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3K
Undergrad Derivation of the Helmholtz equation
  • redtree
  • · Replies 4 ·
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4
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4K
Undergrad The "problem" of Induction and conservation laws
  • TCO
  • · Replies 2 ·
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2
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3K
Undergrad Why can't n be negative in Laplace's equation?
  • laser1
  • · Replies 5 ·
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5
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3K
Graduate Physical meaning of "exotic smoothness" in (and only in) 4D
  • Giulio Prisco
  • · Replies 18 ·
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18
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