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 Question about Possible Waveform in the Electromagnetic Spectrum
  • yelram
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Graduate Alcubierre's goose is roasted by Hawking's radiation
  • marcus
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Graduate Weyl invariant scalar field theory
  • StatusX
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Graduate What is the Physical Relevance of Laplace's Equation?
  • snoopies622
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Graduate Name the 11 dimensions in M-Theory.
  • PFVincent
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Graduate Planck invents a better yardstick
  • tanpi
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Graduate Graviton bosonic degrees of freedom
  • Neitrino
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Graduate Spin 2 graviton will appear to us as spin 0,1 or 2
  • touqra
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Graduate Comparing Jackson 6.2 and 5.26 Solutions
  • ber70
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Undergrad Derivations vs Proofs in Physics Textbooks
  • Monocles
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Graduate Unlimited mass can have not gravity
  • Jarritos
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Graduate Derivation of Euler-Lagrange Equation
  • Prologue
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Graduate Reconciling graviton exchange with a black hole
  • A/4
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Graduate Can a New Theory of 3D Space Revolutionize Our Understanding of Physics?
  • thelovegoose
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Does a Level IV Multiverse Mean Your Favorite Comic Book Characters Are Alive?
  • SpaceGuy50
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Graduate The governance of theoretical physics
  • SimonA
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Graduate Cantors Influence on Theoretical Physics
  • SimonA
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Graduate Ideas for first quarter 2009 most important paper (nominations)
  • marcus
  • · Replies 17 ·
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Graduate Noether theorem + CP violation -> Energy is not conserved?
  • Dmitry67
  • · Replies 16 ·
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Undergrad Regge Trajectories: What Are They?
  • alice137
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So what about the FQXi time essay contest? It's February already.
  • marcus
  • · Replies 62 ·
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Graduate The role of information in gravity - ( article - food for Fra)
  • MTd2
  • · Replies 3 ·
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Graduate Mystery Equation Found at UNH Physics Library!
  • snoopies622
  • · Replies 2 ·
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Graduate Symmetry Breaking and the Metric
  • Digs
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Graduate Hamiltonian Principle: Uncovering Physics Beyond Euler-Lagrange Eq.s
  • ledamage
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Graduate Eleven dimensions, too small or too big?
  • NthDeegree
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Graduate What Do Dimensions 5-14 in String Theory Really Mean?
  • Aftermarth
  • · Replies 57 ·
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Graduate The Anti-Gravity Project- I Need Your Help
  • T.O.E Dream
  • · Replies 6 ·
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Graduate What is group field theory, and its relation LQG, CDT?
  • ensabah6
  • · Replies 7 ·
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Graduate Dimensions Creation: Theory or Always Existed?
  • cam875
  • · Replies 19 ·
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Graduate Approaches to Quantum Gravity (now in Cambridge Press catalog)
  • marcus
  • · Replies 45 ·
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Graduate Extra dimensions don't go with dark energy (new Steinhardt no-go theorems)
  • marcus
  • · Replies 22 ·
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Graduate String theory - what do strings look like?
  • ColonelTravis
  • · Replies 9 ·
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The Elegant Universe- string theory documentary
  • unitet
  • · Replies 4 ·
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Graduate Path Integral formulation of Loop Cosmology (a first)
  • marcus
  • · Replies 2 ·
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Graduate Links for Self-Studying Physics by Nobel Laureate 't Hooft
  • Oberst Villa
  • · Replies 6 ·
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Graduate Can a Simple Cellular Lattice Model Unify All Observed Particles and Fields?
  • Ilja
  • · Replies 7 ·
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Undergrad String thoery - extra dimensions
  • kashiark
  • · Replies 1 ·
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Graduate Noncommutative geometry naturally includes inflation epoch
  • marcus
  • · Replies 8 ·
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Graduate Properties of 6 Dimensional Spheres
  • benk99nenm312
  • · Replies 35 ·
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Graduate A four dimensional object spinning on it's axis.
  • Georgepowell
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Graduate Is the Continuity Equation a Restatement of Gauss' Divergence Theorem?
  • ballzac
  • · Replies 4 ·
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Graduate Current BH-LQG topics (e.g. quantization of entropy)
  • marcus
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Graduate Equivalence of Gravity & Thermodynamics: Einstein Eqs & $\delta Q = T \delta S$
  • MTd2
  • · Replies 13 ·
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Graduate Can someone explain the 3D Dirac Delta Function in Griffiths' Section 1.5.3?
  • cordyceps
  • · Replies 5 ·
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Graduate T-symmetry violation: any leads?
  • Dmitry67
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Graduate Why is gravitino a spin 3/2 particle?
  • arroy_0205
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Graduate Can Canonical Transformations Preserve the Physics of Different Systems?
  • madness
  • · Replies 5 ·
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Graduate The Relationship between Experience and Theoretical Physics
  • dx
  • · Replies 10 ·
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Graduate How does Dark energy fit into the standard model?
  • jnorman
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Graduate Does Simulating 3-D Structures Enhance Polymer Solar Cell Efficiency?
  • Gihan sky
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Graduate Gravitons corresponding to flat spacetime.
  • arroy_0205
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Graduate Some questions about dimensions 5 - 11
  • JakeA
  • · Replies 14 ·
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Graduate String Theory, M-Theory, whatever
  • Compaq
  • · Replies 5 ·
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Graduate Where are the particles created in BH evaporation?
  • marcus
  • · Replies 27 ·
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Graduate Discussing "Time for a Change: The Non-Existence of Time" by Lynds
  • cam875
  • · Replies 5 ·
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Graduate What is the proposed solution to the Vacuum Energy Density Crisis?
  • Knecht
  • · Replies 8 ·
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Graduate Emergent string based space time
  • Naty1
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Graduate Is Space-Time Composed of Strings in String Theory?
  • Unredeemed
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Graduate Researching LQG: What Disciplines Should I Study?
  • jvdornas
  • · Replies 17 ·
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Graduate Are Pressure and Energy Density Redundant in Dimensional Equivalence?
  • SW VandeCarr
  • · Replies 10 ·
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Graduate Weinberg cites Reuter, Saueressig, also Percacci in Oriti's Quantum Gravity book
  • marcus
  • · Replies 16 ·
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Graduate Initial Value for GR /w Ashtekar Var. Eyo EyoIta defies Freidel and Smolin
  • MTd2
  • · Replies 4 ·
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Graduate Does String Theory Arise from Quantum/Unified Fields?
  • redhedkangaro
  • · Replies 9 ·
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Graduate New action is key to Loop gains (the Dittrich-Speziale action)
  • marcus
  • · Replies 6 ·
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Graduate Could someone please explain this 4-vector/tensor notation?
  • AxiomOfChoice
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Graduate How Does Quantum Theory Suggest Spacetime Emerges from Simple Triangles?
  • Naty1
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Graduate Do superstrings exist in two states of spin?
  • epmc2
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Graduate What is the concept of Dual Special Relativity?
  • Deathless
  • · Replies 4 ·
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Graduate Explaining the Expanding Universe: A Discussion
  • hadrons
  • · Replies 17 ·
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Graduate Asymptotic Safety paper thanks Jacques Distler
  • marcus
  • · Replies 9 ·
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Graduate Physicists Theorize New Method for FTL Travel
  • xCross
  • · Replies 56 ·
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Graduate How does an electron behave in a closed time like curve?
  • MTd2
  • · Replies 6 ·
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Graduate Can Liouville's theorem apply to dissipative systems
  • enricfemi
  • · Replies 6 ·
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Graduate The meaning of the relative strength of forces
  • Tac-Tics
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Graduate The email I sent to Petr Horava about CDT, LQG and his new theory. (no answer).
  • MTd2
  • · Replies 5 ·
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Graduate Covariant loop quantum gravity and its low-energy limit (throwing the eagle)
  • marcus
  • · Replies 20 ·
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Graduate Tests of LQG in cosmology (proposals, prospects etc)
  • marcus
  • · Replies 25 ·
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Necessity of theoretical physics and philosophy
  • Vals509
  • · Replies 8 ·
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Graduate Can Strings Act as Both Particles and Waves Like Quantum Particles?
  • hoth
  • · Replies 5 ·
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Graduate How do D-branes fit into closed string theories?
  • Demystifier
  • · Replies 10 ·
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Graduate How Does General Relativity Encode Universal Energy into Mass?
  • sirchasm
  • · Replies 2 ·
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Graduate Diff invariance allows loop variables why?
  • luxxio
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Graduate Importance of Closing Algebra in Wess-Zumino Lagrangian: Simple SUSY Question
  • nrqed
  • · Replies 5 ·
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Graduate What is the Conceptual Meaning of Boltzmann's Constant?
  • Emanresu56
  • · Replies 8 ·
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Graduate Supersymmetric string theory, what is it?
  • ant0
  • · Replies 5 ·
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Graduate Chiral theories and matter gauges
  • sirchasm
  • · Replies 1 ·
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Graduate String theory and Bell's theorem
  • Aeroflech
  • · Replies 1 ·
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Graduate Understanding Z2 Symmetry in Models
  • touqra
  • · Replies 7 ·
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Graduate Wave function collapse causes gravity? (article title)
  • MTd2
  • · Replies 5 ·
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Graduate The meaning of time in curved space quantization
  • luxxio
  • · Replies 1 ·
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Graduate Harmonic Functions: Why n>2 Condition Imposed
  • praharmitra
  • · Replies 5 ·
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Graduate Gravostrong ? TOE advise needed
  • SimonA
  • · Replies 8 ·
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Graduate Why Do Some Tensor Functions Appear Isotropic in Component Notation?
  • Andrea
  • · Replies 1 ·
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Graduate Is gauge theory applicable to finite-dimensional Lie groups?
  • Atakor
  • · Replies 13 ·
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Graduate Can Knotted Closed Strings Exist in Higher Dimensions?
  • Alwi
  • · Replies 3 ·
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Undergrad Is Space-Time Really Like a Liquid, and Why Aren't We Dissolving in It?
  • verdigris
  • · Replies 15 ·
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Graduate Does someone undesrstand Matti Pitkanen's TGD?
  • Veovis
  • · Replies 1 ·
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Graduate Where do you need topology in physics?
  • Gerenuk
  • · Replies 1 ·
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Graduate String Field Theory: Will It Outshine String Theories?
  • Reedeegi
  • · Replies 2 ·
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