Beyond the Standard Models Forum

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 Horava Gravity talks now available on line

  • MTd2
  • · Replies 8 ·
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Graduate QG with an Orsay accent (what I got from the Perimeter AsymSafe conference)

  • marcus
  • · Replies 3 ·
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3

Graduate In case you are not a fan of the idea of SUSY, what bothers you about it?

  • MTd2
  • · Replies 13 ·
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13

Graduate Third order linear ODE Wolfram Math. problem

  • dperkovic
  • · Replies 5 ·
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5

Videos for Asymptotic Safety conference are online

  • marcus
  • · Replies 21 ·
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21

Graduate Best Intro to String Theory Review Article?

  • Geremia
  • · Replies 11 ·
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11

Graduate Is Everything in Our Universe a Hologram According to Susskind and t' Hooft?

  • Gear300
  • · Replies 11 ·
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11

Who is most respected in particle physics?

  • Bob_for_short
  • · Replies 37 ·
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Graduate Gravity in relation to string theory.

  • mcpacker
  • · Replies 5 ·
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Graduate Galilean invariance and conserved quantities

  • mtak0114
  • · Replies 8 ·
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8

Graduate Does loop quantum gravity hint at the Standard model?

  • Spinnor
  • · Replies 1 ·
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Graduate Lorentz invariance verified almost to Planck scale?

  • ZapperZ
  • · Replies 17 ·
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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
  • · Replies 2 ·
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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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27

Undergrad Continuous function for a step wave with constant amplitude

  • Rustydorm
  • · Replies 3 ·
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3

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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15

Graduate Connectedness of Discrete Space-Time Models

  • runner108
  • · Replies 6 ·
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6

Graduate How many universes in a multiverse?

  • Ivan Seeking
  • · Replies 9 ·
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9

Graduate Roger Penrose - Before the Big Bang

  • Sumo
  • · Replies 6 ·
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6

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 Can canonical transformations reveal equipartition in non-quadratic Hamiltonians?

  • Petar Mali
  • · Replies 2 ·
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Graduate String Theory and Entanglement

  • Gear300
  • · Replies 3 ·
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3

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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4

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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10

Undergrad Is Studying Complex Variables Worth It for Physics and Engineering?

  • Winzer
  • · Replies 4 ·
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Graduate Requardt's wormhole spaces and quantum entanglement

  • John86
  • · Replies 1 ·
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1

Smolin is working on a new book

  • John86
  • · Replies 10 ·
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10

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
  • · Replies 1 ·
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Graduate Can we view the string theory as defined on special 2-D time?

  • Osiris
  • · Replies 2 ·
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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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4

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 Is the Hamiltonian conserved if the Lagrangian is time-homogeneous?

  • 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 Where is the line between science and useless speculation like ID?

  • 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 David Gross on revolutions in fundamental physics and string theory

  • 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 Are string theory and loop quantum gravity dual 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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4

Help conceptualizing a base object

  • tdyoung24
  • · Replies 3 ·
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3

Graduate Is Quantum Gravity a Discrete Gauge Theory?

  • atyy
  • · Replies 2 ·
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2

Graduate Could GR's background independence be a theoretical artifact?

  • ensabah6
  • · Replies 45 ·
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Graduate Weinberg-Witten theorem and emergent gravity theories

  • atyy
  • · Replies 13 ·
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13

Graduate How can we detect parallel universes in M-theory?

  • 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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5

Graduate Is energy always positive and dependent on observer's frame of reference?

  • qbslug
  • · Replies 6 ·
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6

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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2

Graduate Understanding homoclinic orbits

  • thrillhouse86
  • · Replies 1 ·
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Graduate Einstein's theory of everything

  • redstone
  • · Replies 7 ·
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7

Graduate Why do we need compactified dimensions?

  • wendten
  • · Replies 6 ·
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6

Graduate Causal set approach without Poisson statistics and relations to CDT

  • Rebel
  • · Replies 3 ·
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3

Graduate How to get from representations to finite or infinitesimal transformations?

  • confusio
  • · Replies 1 ·
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1

Graduate Would black hole non-existence falsify string theory and LQG?

  • ensabah6
  • · Replies 2 ·
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2

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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1

Graduate Meissner Nicolai conjecture-opening to a 4D ToE

  • marcus
  • · Replies 1 ·
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1

Graduate Geometry both discrete and continuous at once, like information-Kempf

  • marcus
  • · Replies 10 ·
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10

Graduate How Do You Write a Hamiltonian Function for Specific Dynamical Systems?

  • dekarman
  • · Replies 2 ·
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2

Graduate String Theory: Are Vibrating Strings Tensioned or Free-Floating?

  • gonegahgah
  • · Replies 3 ·
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3

Graduate Why Is It Important to Quantize Gravity?

  • Sumo
  • · Replies 6 ·
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6

Graduate Any proof about the equivalance of between theories of R^4 x M and R^10?

  • Osiris
  • · Replies 1 ·
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1

Graduate Regge with curved blocks; diffeo symmetry; the Dittrich Bahr papers

  • marcus
  • · Replies 24 ·
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24

Graduate Does string theory predict additional long range forces gravity EM

  • ensabah6
  • · Replies 1 ·
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1

Graduate What Are the Applications of Associated Legendre Functions?

  • BCox
  • · Replies 2 ·
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2

Graduate What is the quanta in LQG and Spinfoam and BI?

  • ensabah6
  • · Replies 11 ·
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11
  • Poll Poll

Graduate Our picks for second quarter 2009 MIP (most important QG paper)

  • marcus
  • · Replies 13 ·
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13

Graduate Might be a string theory Question

  • fusaliker
  • · Replies 3 ·
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3

Graduate Carlip's talk at Berkeley string seminar (featured results CDT et al)

  • marcus
  • · Replies 1 ·
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1

Graduate Cosmological footprints of LQG (Aurelien Barrau and Julien Grain)

  • marcus
  • · Replies 1 ·
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1

Undergrad What is the fourth variable in the 4th dimension?

  • Luongo
  • · Replies 2 ·
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2

Graduate Some questions about Randall Sundrum model

  • maani
  • · Replies 2 ·
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Graduate Computing divergence of r̂/r² in Cartesian coordinates

  • shaun_chou
  • · Replies 1 ·
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1

Graduate Matter wave, light wave and water wave

  • Quantum River
  • · Replies 5 ·
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5

Graduate What is gravity according to string theory?

  • ensabah6
  • · Replies 7 ·
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7

Graduate Corfu School starts next week, what can we learn from the lineup?

  • marcus
  • · Replies 2 ·
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2

Graduate Gamma Rays Photons Slower?(Quantum Foam)

  • sanman
  • · Replies 13 ·
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13