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
Undergrad Solving Differential Equations: Understanding Variable Changes
- bassplayer142
- · Replies 5 ·
Graduate Bertram Kostant on the mathematics of E8 and Garrett Lisi's unified theory
- John Baez
- · Replies 1 ·
Anyone else like CDT and what it is promising?
- Riogho
- · Replies 1 ·
Seventh Alexander Friedmann International Seminar On Gravitation And Cosmology
- ccdantas
- · Replies 1 ·
Graduate Questions about Witten's recent articles
- ehrenfest
- · Replies 1 ·
Graduate HELP Why CS is topological? Why BF is topological?
- astros
- · Replies 1 ·
Graduate Map of QG (Perimeter view, January 2008 update)
- marcus
- · Replies 4 ·
Graduate How Does Category Theory Enhance Understanding of Physics?
- klw1026@gmail.com
- · Replies 2 ·
Graduate Can strings vibrating at different frequencies explain parallel worlds?
- calvin
- · Replies 6 ·
Graduate Linking Connes NCG to LQG (new papers by Aastrup et al)
- marcus
- · Replies 2 ·
Graduate As always, if you have any questions, feel free to ask.Claus
- slugcountry
- · Replies 6 ·
Graduate What fallacies exist in arguments against gravitons?
- alsey42147
- · Replies 5 ·
Undergrad Why use Taylor expansion for gravitational fields instead of dimensional analysis
- scott_alexsk
- · Replies 3 ·
Graduate Does the N-Dimensional Wave Equation Apply Beyond 1-2 Dimensions?
- droz
- · Replies 1 ·
Graduate Model Universe: Shortest Path to Gravity Corridors
- Dennis Sugden
- · Replies 1 ·
Graduate Does string theory explain why objects have inertia?
- Liger20
- · Replies 1 ·
Graduate What causes superstrings to vibrate and what's the energy source?
- risingphoenix
- · Replies 1 ·
Graduate Coherent States and the Role of Classical Variables in Quantizing Gravity
- Federation 2005
- · Replies 6 ·
Graduate Are fractals related to string theory?
- xeon
- · Replies 2 ·
Graduate Singular disk of matter in the Cooperstock-Tieu galaxy model
- shalayka
- · Replies 6 ·
Graduate What does the Witten index tell us about SU(N) supersymmetric vacua?
- BenTheMan
- · Replies 2 ·
Graduate Background independence and measures in Rovelli's approach to quantum gravity
- Fra
- · Replies 6 ·
Graduate Proof of extra dimension from primordial BHs
- friend
- · Replies 4 ·
High School Is energy the 4th dimension instead of time?
- guirguis04
- · Replies 4 ·
Graduate Learning loop quantum gravity from Rovelli's book
- marcus
- · Replies 8 ·
Graduate Matter-like braids in geometry-video talk by Yidun Wan
- marcus
- · Replies 0 ·
Undergrad String tension and pitch in ancient Pythagorean physics
- Loren Booda
- · Replies 4 ·
Graduate On Snyder's paper on Quantized Space-Time
- arkobose
- · Replies 3 ·
Graduate Most General Canonical Transformation?
- strangerep
- · Replies 0 ·
Graduate Why was M-theory developed and how does it help physics?
- cowxfarm
- · Replies 11 ·
- Poll
Graduate Has Smolin's Book Influenced the U.S. Academic Monopoly on String Theory?
- marcus
- · Replies 27 ·
Graduate Sectors in String theory and the N-S N-S sector
- robousy
- · Replies 2 ·
Graduate Is String Theory Still the Best Path to a Unified Theory of Everything?
- Gazee
- · Replies 4 ·
Graduate Video: The Problem of Time in Quantum Gravity and Cosmology
- marcus
- · Replies 19 ·
Graduate Nakanishi proves 2-d string theories inconsistent(?)
- sluser
- · Replies 3 ·
Graduate Can gravity be renormalized like effective field theories?
- BenTheMan
- · Replies 29 ·
Graduate Open Strings, D-Branes, and Conservation of Energy
- Keys
- · Replies 2 ·
Thomas Thiemann's Book - Is It Worth the Price?
- Jim Kata
- · Replies 18 ·
Graduate Gauge fixing and residual symmetries
- StatusX
- · Replies 0 ·
Graduate My Thoughts on Quantum Uncertainty
- tycon69
- · Replies 2 ·
Graduate Why do quantum field theory calculations give infinite probabilities?
- muppet
- · Replies 2 ·
Graduate Susy introduction paper superspace
- Barmecides
- · Replies 1 ·
Graduate Why Poisson doesn't use second derivatives in his original paper
- gibsonphysics
- · Replies 2 ·
Graduate Can Compact Dimensions be Explained in Terms of Rudimentary Field Theory?
- Sojourner01
- · Replies 2 ·
Graduate SciAm special report on Future of Physics
- marcus
- · Replies 1 ·
Graduate What symmetry of the Lagrangian corresponds to mass conservation?
- lugita15
- · Replies 26 ·
Graduate Quantum graphity and emergent U(1) gauge in LQG spin networks
- ensabah6
- · Replies 6 ·
Graduate Is quantum mechanics an approximation to a cosmological theory?
- Fra
- · Replies 8 ·
Graduate Hyperspheres describing the universe
- thebluelagoon
- · Replies 2 ·
Graduate String theory vs loop quantum gravity citation rates in 2006
- marcus
- · Replies 6 ·
Graduate Is Gravity a Result of Other Forces at Work?
- Azmodii
- · Replies 3 ·
Graduate Triangulations study group, Spring 2008
- marcus
- · Replies 39 ·
Graduate Volovik's Fermi point scenario as a theory of everything
- ensabah6
- · Replies 8 ·
Graduate What does negative length mean in physics?
- Meatbot
- · Replies 4 ·
Graduate Supersymmetry: Understanding Weinberg's Formula on Page 78
- Eisenhorn
- · Replies 4 ·
Graduate What happens to a superstring with no vibration modes?
- CaptainGuevar
- · Replies 2 ·
Graduate How Does Hawking Radiation from LHC Experiments Affect Time-Space Dynamics?
- Iam_walrus
- · Replies 2 ·
Graduate Can the LHC detect gravitons?
- scupydog
- · Replies 11 ·
Undergrad Dimensional Analysis: Separating Fact from Fiction
- dougr81
- · Replies 5 ·
Graduate Can you slice and move a membrane bubble through bulk space?
- Toastus
- · Replies 4 ·
Undergrad String book for the undergrad level
- daniel_i_l
- · Replies 10 ·
Graduate Differences between superstring theory and M-theory
- chronie
- · Replies 5 ·
Graduate Quantum Foam: Could It Be Used for Subspace Communication?
- Toastus
- · Replies 9 ·
Graduate Newton's Law starting from no background spacetime
- marcus
- · Replies 2 ·
Graduate What are the principles of our time?
- Peter Morgan
- · Replies 1 ·
Graduate Is Space Discrete or Continuous in a Planck World?
- dst
- · Replies 4 ·
Graduate What are the implications of having two dimensions of time?
- Meatbot
- · Replies 2 ·
Graduate LQG: Gauge Theory, Holonomies, Ashtekar's GR, Loop Representation
- Coin
- · Replies 2 ·
Graduate String theory topoogy can change lead to experimentally testable predictions?
- ensabah6
- · Replies 1 ·
Graduate Supersymmetric Transformations
- ophase
- · Replies 3 ·
Graduate Them old quantum gravity, topological quantum field thereah blues
- marcus
- · Replies 1 ·
Graduate What conserved quantity corresponds to time reversal symmetry?
- lugita15
- · Replies 1 ·
Graduate Does the Concept of Center of Mass-Energy Exist in Physics?
- Himanshu
- · Replies 7 ·
Graduate Can geometry predict particle mass ratios and the fine structure constant?
- sooperdooper
- · Replies 2 ·
Graduate Why Must Extra Spatial Dimensions in String Theory Be Compactified?
- RobCS
- · Replies 1 ·
Graduate Question to the String theorists
- f-h
- · Replies 1 ·
Graduate Edward Witten on LQG for lambda > 0, QG does not exist in any dimension
- ensabah6
- · Replies 5 ·
Graduate Kenneth Lane string theory is not physics
- ensabah6
- · Replies 10 ·
What is U? A Christmas mind game?
- wolram
- · Replies 6 ·
Graduate Integrable models and the frontiers of physics?
- pivoxa15
- · Replies 3 ·
Two Is Enough: Harmonics and Echoes
- wolram
- · Replies 2 ·
Graduate How Can a Theory of Quantum Gravity or a TOE Impact Science?
- PhilosophyofPhysics
- · Replies 13 ·
Graduate Fecund universes and physical constants
- hammertime
- · Replies 11 ·
Graduate Classical interacting random field models
- Peter Morgan
- · Replies 24 ·
Graduate New Warp Drive Paper: Read the Co-Authored Journal Article
- robousy
- · Replies 8 ·
Graduate Map of nonstring QG (as of November 2007)
- marcus
- · Replies 22 ·
Graduate Is There Evidence of a Delay in High-Energy Photons from Distant AGN Flares?
- marcus
- · Replies 10 ·
Graduate What is the Meaning of Entirely New Laws in Phil Anderson's More is Different?
- Q_Goest
- · Replies 3 ·
Undergrad Ridiculous explanation of 'string theory'
- Zoe-b
- · Replies 11 ·
Graduate Plebanski action extended to unify gravity and Yang-Mills theory
- marcus
- · Replies 23 ·
Graduate Is the Graviton Fundamental in Quantum Gravity Theories?
- Coin
- · Replies 40 ·
Graduate Amplitudes, metrics, and measures
- friend
- · Replies 7 ·
Graduate Discrete spacetime (Some contemplations of mine).
- MathematicalPhysicist
- · Replies 17 ·
Graduate Question regarding higgs, grravity, and electromagnetic dimensions
- Yazirical
- · Replies 3 ·
Graduate Extended vector product reformulation of Maxwell's EM tensor
- member 11137
- · Replies 88 ·
Graduate Internal struggles of ideas in QG
- marcus
- · Replies 5 ·