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 Best Intro to String Theory Review Article?
  • Geremia
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Graduate Is Everything in Our Universe a Hologram According to Susskind and t' Hooft?
  • Gear300
  • · Replies 11 ·
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Who is most respected in particle physics?
  • Bob_for_short
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Graduate Gravity in relation to string theory.
  • mcpacker
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Graduate Galilean invariance and conserved quantities
  • mtak0114
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Graduate Does loop quantum gravity hint at the Standard model?
  • Spinnor
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Graduate Lorentz invariance verified almost to Planck scale?
  • ZapperZ
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Graduate Can energy be converted back into mass
  • DDarcade
  • · Replies 16 ·
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Graduate Can Conformal Transformations Explain Torsion in Different Spacetimes?
  • xiaomaclever
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Graduate Computational Requirements for Simulating a Universe Particle by Particle?
  • frankinstein
  • · Replies 19 ·
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Graduate Who has done research on the Planck wall
  • alexander11
  • · Replies 27 ·
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Undergrad Defining a Wave with Amplitude 'A' and Velocity 'v
  • Rustydorm
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Graduate Green's function of Helmholtz eqn (with time)
  • coffee1729
  • · Replies 5 ·
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Graduate What are the differences between Volovik & Wen theories?
  • ensabah6
  • · Replies 15 ·
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Graduate Connectedness of Discrete Space-Time Models
  • runner108
  • · Replies 6 ·
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Graduate How many universes in a multiverse?
  • Ivan Seeking
  • · Replies 9 ·
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Graduate Roger Penrose - Before the Big Bang
  • Sumo
  • · Replies 6 ·
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Graduate Entropy depends on observer (Dialogue on the Nature of Gravity)
  • marcus
  • · Replies 43 ·
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Graduate Modifications of Classical Equations?
  • Sobeita
  • · Replies 7 ·
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Graduate Equipartition Theorem: Hamiltonian Form & Canonical Transformations
  • Petar Mali
  • · Replies 2 ·
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Graduate String Theory and Entanglement
  • Gear300
  • · Replies 3 ·
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Graduate Loop Quantum Gravity for newbies
  • jokkon
  • · Replies 18 ·
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Graduate Kaminski et al cf Ashtekar et al
  • atyy
  • · Replies 4 ·
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Graduate Loop-String goodies in TWF 281 (that MTd2 spotted)
  • marcus
  • · Replies 10 ·
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Graduate Questions on Causal Dynamical Triangulations
  • skippy1729
  • · Replies 10 ·
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Undergrad Is Studying Complex Variables Worth It for Physics and Engineering?
  • Winzer
  • · Replies 4 ·
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Graduate New Paper by Manfred Requardt: Wormhole Spaces & Entanglement
  • John86
  • · Replies 1 ·
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Smolin is working on a new book
  • John86
  • · Replies 10 ·
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Undergrad Branches of theoretical physics are the most likely to find a TOE?
  • Noxide
  • · Replies 3 ·
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Graduate What a world without decoherence would be like
  • marcus
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Graduate Can we view the string theory as defined on special 2-D time?
  • Osiris
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Graduate Topological string theory - how useful is it?
  • crackjack
  • · Replies 5 ·
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Graduate Space time signature as a quantum number and antigravitaion (nothing crank here)
  • MTd2
  • · Replies 2 ·
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What resources are available for the 2009 Loops conference online?
  • MTd2
  • · Replies 4 ·
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Graduate Is the Hamiltonian Equation of Motion Gauge Dependent?
  • evilcman
  • · Replies 7 ·
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Graduate Trying to understand Loop Quantum Gravity in layman's terms
  • Galteeth
  • · Replies 5 ·
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Graduate Can You Buy a Black Hole for 20 Euros? Understanding Maldacena's Second Slide
  • atyy
  • · Replies 3 ·
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Graduate Explain the differential of lagrangian is a perfect ?L dt
  • eman2009
  • · Replies 3 ·
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Graduate Explaining Time Homogeneous Lagrangian and Hamiltonian Conservation
  • eman2009
  • · Replies 5 ·
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Graduate Is Tensor Quantity a Combination of Vector and Scalar?
  • sphyics
  • · Replies 6 ·
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Graduate Has SUSY solved Flavor changing neutral current?
  • ensabah6
  • · Replies 1 ·
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Graduate What Are N-Dimensional Objects in Superstring Theories?
  • MathematicalPhysicist
  • · Replies 6 ·
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Graduate Rachel Lash Maitra's first arxiv paper opens new line
  • marcus
  • · Replies 0 ·
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Graduate LHC - the last chance for all theories of everything?
  • Adrian59
  • · Replies 369 ·
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Graduate Is String Theory Real Science or Just Speculation?
  • Pupil
  • · Replies 76 ·
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Graduate Why string dualities imply unifying M-theory?
  • Demystifier
  • · Replies 14 ·
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Undergrad Learning the Lagrangian/Hamiltonian
  • dreiter
  • · Replies 4 ·
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Graduate Revolutionizing the Universe: String Theory & Quantum Gravity
  • marcus
  • · Replies 24 ·
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Graduate PI talk on Feynman Checkerboard Model and the wave function
  • CarlB
  • · Replies 4 ·
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Graduate First news from the Corfu School: Baez TWF 280
  • marcus
  • · Replies 14 ·
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Graduate A Duality between Strings and Loops in M Theory
  • atyy
  • · Replies 5 ·
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Graduate Time in String Theory: Directionality of Time
  • Gear300
  • · Replies 5 ·
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Graduate Derivation of formula using dimensions
  • johncena
  • · Replies 1 ·
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Graduate Hamiltonian Systems and Liouville Integrability
  • qspeechc
  • · Replies 1 ·
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Graduate Why do strings have to exist in 10 dimensions?
  • 11thDimension
  • · Replies 4 ·
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Object Conceptualization Help Needed - Contact TDYOUNG24@HOTMAIL.COM
  • tdyoung24
  • · Replies 3 ·
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Graduate Is Quantum Gravity a Discrete Gauge Theory?
  • atyy
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Graduate Could GR's background independence be a theoretical artifact?
  • ensabah6
  • · Replies 45 ·
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Graduate The Emergence of Gravity: The Case for a New Theory of Spacetime Structure
  • atyy
  • · Replies 13 ·
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Graduate Can We Prove the Existence of Parallel Universes?
  • bondinthesand
  • · Replies 3 ·
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Graduate If GUT are false, are string-based unification also false?
  • ensabah6
  • · Replies 1 ·
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Graduate What Are the Pros and Cons of SUGRA Forking?
  • arivero
  • · Replies 5 ·
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Graduate Is energy always positive and dependent on observer's frame of reference?
  • qbslug
  • · Replies 6 ·
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Graduate What is Compactified Extra Dimensions?
  • maani
  • · Replies 13 ·
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Graduate Books about string theory, wormholes, black holes, etc
  • mvillagra
  • · Replies 5 ·
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Graduate Kaluza Klein and gauge symmetry breaking.
  • arivero
  • · Replies 2 ·
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Graduate Understanding homoclinic orbits
  • thrillhouse86
  • · Replies 1 ·
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Graduate Einstein's theory of everything
  • redstone
  • · Replies 7 ·
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Graduate Why do we need compactified dimensions?
  • wendten
  • · Replies 6 ·
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Graduate Exploring Causal Set Approach to Quantum Gravity
  • Rebel
  • · Replies 3 ·
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Graduate How to get from representations to finite or infinitesimal transformations?
  • confusio
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Graduate If BH do not exist, would string & LQG be falsified?
  • ensabah6
  • · Replies 2 ·
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Undergrad The hyperbolic tangent function and physics
  • bitrex
  • · Replies 7 ·
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Graduate Zero Integrals: The Theory Behind Evaluating Expressions
  • hasanhabibul
  • · Replies 1 ·
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Graduate Meissner Nicolai conjecture-opening to a 4D ToE
  • marcus
  • · Replies 1 ·
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Graduate Geometry both discrete and continuous at once, like information-Kempf
  • marcus
  • · Replies 10 ·
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Graduate How Do You Write a Hamiltonian Function for Specific Dynamical Systems?
  • dekarman
  • · Replies 2 ·
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Graduate String Theory: Are Vibrating Strings Tensioned or Free-Floating?
  • gonegahgah
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Graduate Why Is It Important to Quantize Gravity?
  • Sumo
  • · Replies 6 ·
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Graduate Any proof about the equivalance of between theories of R^4 x M and R^10?
  • Osiris
  • · Replies 1 ·
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Graduate Regge with curved blocks; diffeo symmetry; the Dittrich Bahr papers
  • marcus
  • · Replies 24 ·
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Graduate Does string theory predict additional long range forces gravity EM
  • ensabah6
  • · Replies 1 ·
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Graduate What Are the Applications of Associated Legendre Functions?
  • BCox
  • · Replies 2 ·
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Graduate What is the quanta in LQG and Spinfoam and BI?
  • ensabah6
  • · Replies 11 ·
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  • Poll Poll
Graduate Our picks for second quarter 2009 MIP (most important QG paper)
  • marcus
  • · Replies 13 ·
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Graduate Might be a string theory Question
  • fusaliker
  • · Replies 3 ·
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Graduate Carlip's talk at Berkeley string seminar (featured results CDT et al)
  • marcus
  • · Replies 1 ·
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Graduate Cosmological footprints of LQG (Aurelien Barrau and Julien Grain)
  • marcus
  • · Replies 1 ·
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Undergrad What is the fourth variable in the 4th dimension?
  • Luongo
  • · Replies 2 ·
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Graduate Some questions about Randall Sundrum model
  • maani
  • · Replies 2 ·
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Graduate Where Did I Go Wrong Calculating the Divergence of \(\widehat{r}/r^{2}\)?
  • shaun_chou
  • · Replies 1 ·
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Graduate Matter wave, light wave and water wave
  • Quantum River
  • · Replies 5 ·
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Graduate What is gravity according to string theory?
  • ensabah6
  • · Replies 7 ·
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Graduate Corfu School starts next week, what can we learn from the lineup?
  • marcus
  • · Replies 2 ·
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Graduate Gamma Rays Photons Slower?(Quantum Foam)
  • sanman
  • · Replies 13 ·
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Graduate Why singularities do not exist
  • Dmitry67
  • · Replies 3 ·
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Graduate Non-standard question about the Standard Model
  • Antiphon
  • · Replies 6 ·
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Graduate Emergent Gravity IV - Learning & Questions
  • jal
  • · Replies 37 ·
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Graduate Witten remains a strong string theory believer
  • ensabah6
  • · Replies 48 ·
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Graduate The structure of quantum geometry of spacetime at the Planck scale
  • uno1
  • · Replies 17 ·
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