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.
Threads
Graduate How does Noether's theorem connect symmetry to conservation laws?
- unchained1978
- · Replies 1 ·
Graduate A Slant on Warped Extra Dimensions
- humanino
- · Replies 36 ·
Graduate Boundary conditions for Laplace's equation
- IFNT
- · Replies 1 ·
Graduate Hot QG+M paper by John Barrett
- marcus
- · Replies 14 ·
Graduate Birth Control in Euclidean Quantum Gravity: CDT
- atyy
- · Replies 2 ·
Graduate Interested in Spinfoam Cosmology? Check out Francesca Vidotto's Online Talk!
- marcus
- · Replies 6 ·
Graduate Interesting topics in Beyond the Standard Model
- sam_021
- · Replies 4 ·
Graduate John Baez and John Huerta Paper
- John86
- · Replies 7 ·
Graduate Energy disappearance in a moving reference frame
- zorro
- · Replies 7 ·
Graduate BeGroMaS: gravity was renormalizable after all, so why all the fuss?
- marcus
- · Replies 148 ·
Graduate How do you do a gaussian integral when it contains a heaviside function?
- nirovanton
- · Replies 1 ·
Graduate How can we systematically derive Casimir operators for graded Lie algebras?
- petergreat
- · Replies 1 ·
Graduate Why isn't scale relativity by Laurent Nottale more widely adopted?
- 110
- · Replies 27 ·
Graduate FQXi grant awardee abstracts (novel time ideas)
- marcus
- · Replies 61 ·
Graduate Gravity as a diffeomorphism invariant gauge theory (new Krasnov paper)
- marcus
- · Replies 1 ·
Graduate Why has it been so hard to combine gravity with electromagnetism?
- Nano-Passion
- · Replies 12 ·
Graduate What is the factor in the definition of [A,A] in differential forms?
- Dox
- · Replies 1 ·
Graduate Constants of nature as determined by string theory
- dhillonv10
- · Replies 4 ·
Graduate Gravitational biot-savart-like force?
- Ulf
- · Replies 2 ·
Graduate What dictates the differences between realms within string theory?
- noodliz
- · Replies 3 ·
Graduate How does string theory address problem of time GR vs QM?
- ensabah6
- · Replies 8 ·
Graduate Hamiltonian does NOT equal energy?
- nonequilibrium
- · Replies 2 ·
Graduate Why not unify LQG with Superstring\M theory ?
- scottbekerham
- · Replies 5 ·
Graduate Do the extra dimensions really make sense?
- nuiluidwde
- · Replies 6 ·
Graduate Are Length and Time Quantized According to Future Theory?
- Jarwulf
- · Replies 4 ·
Graduate What causes topology change in Calabi-Yau manifolds?
- dhillonv10
- · Replies 5 ·
Graduate Decomposition of irrep. of G_2 into irreps. of A_2
- timb00
- · Replies 2 ·
Graduate Why does gravity need to be strong for unification in string theory?
- HMS
- · Replies 20 ·
Graduate A crazy idea about strings and energy
- zetafunction
- · Replies 2 ·
Graduate Spinfoam Fermions, Lqg now has matter
- marcus
- · Replies 22 ·
Graduate Can Spin Networks Overcome the Background Dependence in LQG Theory?
- PhilKravitz
- · Replies 4 ·
Graduate Does Gravity Leak into Extra Dimensions and What Would Happen if it Did?
- stever19
- · Replies 4 ·
Graduate Tears in spacetime shielded by strings
- dhillonv10
- · Replies 4 ·
Graduate Why Are There 11 Dimensions in M-Theory?
- PhanthomJay
- · Replies 16 ·
Graduate What is the connection between polytopes and string theory in these papers?
- atyy
- · Replies 8 ·
Graduate Supercharges commutation rules
- L0r3n20
- · Replies 7 ·
High School Theoretical Gunshot with Thunder
- Melosh3
- · Replies 4 ·
Graduate Vielbeins as gauge fields of local translations
- haushofer
- · Replies 14 ·
Graduate What is the meaning of a fundamental constant? Dimensioned or dimenionless
- nonequilibrium
- · Replies 54 ·
Undergrad The Principle of Symmetry: Universal?
- waqarrashid33
- · Replies 1 ·
Graduate Can Lorentzian Signature Metrics Always Be Continued into Euclidean Signatures?
- sheaf
- · Replies 3 ·
Graduate Can flop transitions reduce the size of a Calabi-Yau manifold?
- dhillonv10
- · Replies 5 ·
Graduate Is N=4 ONLY a mathematical construct?
- jal
- · Replies 3 ·
Graduate Time discreteness and lorentz invariance
- dpackard
- · Replies 47 ·
Looking for the audio of the Duff-Smolin debate
- isocliff
- · Replies 3 ·
Graduate What is the Planck Scale for AS gravity?
- MTd2
- · Replies 18 ·
Graduate Impact of Gödel's incompleteness theorems on a TOE
- PhysDrew
- · Replies 314 ·
Graduate Quantum foam and discreteness of spactime for an idiot
- PianoDentist
- · Replies 3 ·
Graduate How does string theory avoids IR divergences
- zetafunction
- · Replies 20 ·
Graduate Does T-duality imply a minimal distance for all objects in string theory?
- nomadreid
- · Replies 12 ·
Graduate What is the role of combinatorics in the depths of string theory?
- atyy
- · Replies 10 ·
Graduate Piareround's questions about LQG
- marcus
- · Replies 1 ·
Graduate GUT Mass Unification Predictions
- lpetrich
- · Replies 2 ·
Graduate Criticism of LQG - What do we miss?
- tom.stoer
- · Replies 31 ·
Graduate Is the Higgs Field Merely a Dressing Field?
- ensabah6
- · Replies 12 ·
Graduate Role of in-house concept analysis done by the QG scientists themselves
- marcus
- · Replies 95 ·
Graduate How to understand 11 dimensions
- lcandela123
- · Replies 2 ·
Graduate Luboš Motl's Criticism of LQG - What Does He Miss?
- inflector
- · Replies 16 ·
Graduate What Does Quantum Gravity Scattering Amplitudes Mean?
- inflector
- · Replies 4 ·
Graduate What is the Precise Meaning of Canonical in Quantum Gravity Context
- inflector
- · Replies 3 ·
Graduate Conceptual ramifications if black holes do not exist.
- ensabah6
- · Replies 1 ·
Graduate Meaning of diffeomorphism invariance
- kdv
- · Replies 8 ·
Graduate Occam's razor and theoretical physics
- keno.mentor
- · Replies 6 ·
Graduate String theory in dimensions other than 10
- crackjack
- · Replies 4 ·
Graduate Connes' finite noncommutative geometry model
- MTd2
- · Replies 30 ·
Graduate Plug for Bee Hossenfelder blog (QG phenom'ist and conference organizer)
- marcus
- · Replies 1 ·
Graduate Spring schedule for International LQG Seminar
- marcus
- · Replies 1 ·
Graduate Conservation of Angular Momentum And Oscillation of Mass
- garyfang
- · Replies 1 ·
Graduate Coupling of energy/matter to spacetime
- robousy
- · Replies 5 ·
Graduate Quantum Gravity and Specific GR Tests
- inflector
- · Replies 39 ·
Graduate Can we comprehend the 4th dimension.
- JamesU
- · Replies 24 ·
Graduate String Theory - Winding Strings
- sneutron
- · Replies 7 ·
Graduate Type IIA string model with intersecting D6-branes: hep-th/0703280
- mitchell porter
- · Replies 17 ·
Graduate Self-educational book on Supersymmetry/supergravity
- Neitrino
- · Replies 1 ·
Graduate Is a New Principle Necessary to Resolve Quantum Gravity and Unify Interactions?
- tom.stoer
- · Replies 148 ·
Graduate Why more than 4 spacetime dimensions
- scope
- · Replies 4 ·
Graduate Interpretation of tensor indices
- Niles
- · Replies 1 ·
Graduate Lorentzian spinfoam model free of IR divergence (Muxin Han)
- marcus
- · Replies 26 ·
Graduate String Theory compact dimensions
- sneutron
- · Replies 1 ·
Graduate Some questions about String theory
- ShayanJ
- · Replies 12 ·
High School What is a white hole and how does it differ from a black hole?
- physicsnoob12
- · Replies 4 ·
Graduate Why atoms rather than observers for fine-tuning arguments
- ConradDJ
- · Replies 1 ·
Graduate Is the Universe's Expansion Linked to Black Holes and New Universes?
- razvanone
- · Replies 8 ·
Graduate Evidence for UV finiteness of M-theory?
- Demystifier
- · Replies 4 ·
Graduate The anthropic principle(s) and the landscape
- Robert100
- · Replies 1 ·
Graduate String non-theory failing its tests -we need a replacement
- marcus
- · Replies 28 ·
Graduate How do branes emerge in cyclic universe?
- beno23
- · Replies 1 ·
Graduate Lecture series on Causal Sets approach to QG
- marcus
- · Replies 8 ·
Graduate Dirac algebra of constraints in GR
- paweld
- · Replies 7 ·
Graduate Question on alternatives to GR
- skippy1729
- · Replies 2 ·
Undergrad Best resources to get up to speed
- Nisdoc
- · Replies 8 ·
Graduate Why are different currents conflated in ideal MHD equations?
- Mosis
- · Replies 1 ·
Graduate Principle of Least Action Derivation
- tharchin
- · Replies 3 ·
Graduate What Are the Latest Breakthroughs and Research Topics in M Theory?
- beno23
- · Replies 2 ·
Graduate An Exploration of Unified Theories
- freewanderer
- · Replies 4 ·
Graduate Large extra dimensions ruled out?
- bcrowell
- · Replies 8 ·
Graduate Illegal Danced Horror - a story about the landscape
- tom.stoer
- · Replies 14 ·
Graduate Do Parallel Universes Share the Same Timeline?
- hammertime
- · Replies 11 ·
Graduate Lagrangians that cannot be transformed to Hamiltonians
- irycio
- · Replies 6 ·