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 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 ·
Graduate AsymSafe QG sees a numerical breakthrough (Benedetti, Groh, Machado, Saueressig)
- marcus
- · Replies 3 ·
Graduate Higher Gauge, TQFT, quantum gravity thematic convergence
- marcus
- · Replies 0 ·
Graduate More on Penrose's Conformal Cyclic Cosmology
- bcrowell
- · Replies 27 ·
Graduate Physical meaning of simplicity constraints in spin foam models
- zwicky
- · Replies 4 ·
Graduate Relation between loop quantum gravity and noncommutative geometry
- tom.stoer
- · Replies 24 ·
Graduate Is Gauge-Free Electrodynamics the Solution to Gauge Ambiguities?
- Demystifier
- · Replies 21 ·
Graduate Primer on conformal / dual conformal symmetry
- earth2
- · Replies 5 ·
Graduate Is Bojowald's Book on Quantum Cosmology a Disappointment?
- bcrowell
- · Replies 12 ·
Graduate What does the other 7-dimensions represent?
- aekanshchumber
- · Replies 13 ·
Graduate Why must the EM stress-energy tensor be symmetric?
- michael879
- · Replies 1 ·
Graduate Why must N=2 SUSY compactifications use Kähler manifolds?
- GoldPheonix
- · Replies 5 ·
Graduate Loeb Weiner YIDM Yukawa-Interacting Dark Matter particle
- marcus
- · Replies 4 ·
Graduate Quantum Uncertainty in the Holographic Principle
- ianhoolihan
- · Replies 6 ·
Graduate Emergent geometry and gravity from quantum networks
- John86
- · Replies 2 ·
Graduate Garrett's article in SciAm December issue
- marcus
- · Replies 72 ·
Graduate How Do We Define and Measure the Extra Spatial Dimensions in String Theory?
- nomadreid
- · Replies 22 ·
Graduate Solving ODE with Data Points: Finding Equation and Integrating Method
- RagincajunLA
- · Replies 2 ·
Graduate Invariants of a characteristic polynomial
- quantum123
- · Replies 2 ·
Undergrad Could a Fifth Force of the Universe Exist?
- alkadh455
- · Replies 7 ·
Graduate Can a Lagrangian be written for a simple RC or RL circuit?
- softport
- · Replies 2 ·
Graduate Does string theory offer any connection to zero-point energy?
- Kittel Knight
- · Replies 14 ·
Graduate String Theory's implications of ontology
- Vinegar
- · Replies 4 ·
Graduate Looking for M-, F-Theory introduction
- Omega137
- · Replies 2 ·
Graduate Supergravity as the low energy effective action of Superstring- / M-theory
- jcdenton
- · Replies 3 ·
Graduate Closed and open strings in M-theory
- nomadreid
- · Replies 3 ·
Graduate Paul Townsend`s 3D Superparticle.
- MTd2
- · Replies 1 ·
Graduate Is Gravitational String Theory the Unified Theory of Everything?
- SeannyBoi71
- · Replies 3 ·
Graduate Can a Super Grand Canonical Ensemble Exist?
- qbslug
- · Replies 3 ·
Graduate Epistemological Role in Science and Synthetic A Priori Knowledge
- dce
- · Replies 7 ·
Undergrad How to describe string theory in one sentence
- Entropee
- · Replies 87 ·
Undergrad Mixed Partial and non-partial derivative definition
- terryphi
- · Replies 1 ·
Graduate Classical Information: An Exploration of Quantum Mechanics
- John86
- · Replies 1 ·
Graduate Gauge invariance of Euler-Lagrange equations
- andrewkirk
- · Replies 0 ·
Graduate Dax discussions of Beyond SM theories/including newcomer questions
- marcus
- · Replies 174 ·
Graduate Does John H. Schwarz now believe in Verlinde`s gravity?
- MTd2
- · Replies 34 ·
Graduate Deriving the equations of motion in f(T) gravity
- birdhen
- · Replies 3 ·
Graduate The mathematics required for mathematical physics (LQG, ST, FT, etc)?
- hadsed
- · Replies 10 ·
Astrophysics questions for fiction writing
- Panwasbipolar
- · Replies 5 ·
Graduate What is the importance of the Duffing Differential Equation?
- nonequilibrium
- · Replies 4 ·
Graduate How would gravity or any 1/r^2 force act in one dimension?
- zeromodz
- · Replies 3 ·
Graduate Explicit embedding of gravity+Standard Model in E8 (new Lisi paper)
- marcus
- · Replies 67 ·
Graduate The Multiversians are at the gates
- marcus
- · Replies 27 ·
Elegant Universe TV show streaming Video
- Integral
- · Replies 84 ·
Graduate Question on Witten's paper: Perturbative Gauge Theory As A String Theory
- earth2
- · Replies 2 ·
Graduate Does this rule out cosmic natural selection? (1.97 solar neutron star)
- marcus
- · Replies 4 ·
Graduate Big dimensionless numbers (in Planks units)
- Dmitry67
- · Replies 13 ·
Graduate Classical gravity, Supergravity and strings
- Haelfix
- · Replies 5 ·
Graduate Matter from misjoints of spinfoams?
- MTd2
- · Replies 1 ·
Undergrad Why Is Action Defined as Energy Minus Potential Energy in Physics?
- Andrea2
- · Replies 3 ·
Graduate Matrix Model for Membranes and D-brane Dynamics
- Kevin_Axion
- · Replies 3 ·
Graduate How does the axion solution actually work?
- ingenue
- · Replies 4 ·
Graduate Bianchi's PI talk on quantum polyhedra in LQG
- marcus
- · Replies 7 ·
Graduate Why Do Superfields Have Quadratic Terms in Theta and Theta Bar?
- earth2
- · Replies 3 ·
Graduate What Happens to Gravity in Bound States of Hydrogen Atoms?
- qsa
- · Replies 13 ·
Graduate 't Hooft omni-theory proposal looks testable
- marcus
- · Replies 2 ·
Graduate Lagrangian and Action question?
- Livethefire
- · Replies 1 ·
Graduate Don't mess with the pass integral
- Micha
- · Replies 49 ·
Graduate Does Spin of Particles Change in a Gravity Field?
- scope
- · Replies 2 ·
Graduate Jfy4 comment sparked by Torsten and Helge's new paper
- marcus
- · Replies 29 ·
Graduate Quantizing Geometry or Geometrizing the Quantum?
- inflector
- · Replies 10 ·
Graduate Understand Vector Product with Levi Civita Symbols
- Septim
- · Replies 1 ·
Graduate Cosmological natural selection and infinite universe regression
- hadsed
- · Replies 7 ·
Graduate Self-Completeness of Einstein gravity via Black Hole formation
- S.Daedalus
- · Replies 8 ·
Graduate Moduli Space of Tori: Intuitive Understanding in T-Duality
- haushofer
- · Replies 3 ·
Graduate What is a bivector and how does it relate to the electromagnetic stress tensor?
- tjkubo
- · Replies 1 ·
Graduate Finding Solution to Laplace Equation
- Nick R
- · Replies 1 ·
Graduate Inflation requires initial symmetry?
- bcrowell
- · Replies 2 ·
Graduate Is the new spin foam model's graviton behavior problematic?
- MTd2
- · Replies 9 ·
Graduate String Theory and Spacetime - Some Questions
- inflector
- · Replies 5 ·
Graduate What experiments could test quantum gravity models?
- Gear300
- · Replies 2 ·
Graduate Theory of everything and unifications
- ShayanJ
- · Replies 4 ·
Undergrad Does gravity depend on electromagnetic force for atoms to exist?
- AnishG
- · Replies 4 ·
Graduate F-string, NS5-brane and D-string as supergravity solutions
- crackjack
- · Replies 2 ·
Graduate Is Theoretical Physics Progress Stagnating?
- cbd1
- · Replies 2 ·
Graduate Infinite Dimensions: Is M Theory Correct?
- Nikola Mitic
- · Replies 5 ·
Graduate Can Gravity Influence the Flow of Time?
- lowing99
- · Replies 8 ·
Graduate Can String Theory Explain the Relationship Between Frequencies and Particles?
- lowing99
- · Replies 5 ·
Graduate What is the distance between strings and how are they spread across space?
- mrjonesgl
- · Replies 5 ·
Graduate Causal Sets lectures have started (video online)
- marcus
- · Replies 13 ·
Graduate Can Lorenz attractor equations define Calabi-Yau manifold shape?
- zeroman
- · Replies 2 ·
Undergrad Is gravity the force that creates space and time?
- Deicider
- · Replies 3 ·
Graduate Why hypothesize the graviton if quantum field theory already works
- relativityfan
- · Replies 13 ·
Graduate String theory and CP violation
- bcrowell
- · Replies 6 ·
Graduate What is the Fuzzball Hypothesis?
- relativityfan
- · Replies 14 ·
Graduate Progress on braided spin networks?
- tom.stoer
- · Replies 5 ·
Graduate Why is string theory scientific if it cannot be falsified?
- inflector
- · Replies 136 ·
Graduate Progress on M Theory: What We Know So Far
- PAllen
- · Replies 3 ·
Graduate String Theory: Formula of the Strong Force
- kexue
- · Replies 2 ·
Graduate Does time quantize at the speed of light?
- snackster17
- · Replies 11 ·
Graduate Holography, bekenstein and information distance
- Fra
- · Replies 9 ·
Graduate Has experimental discovery become secondary to theory in physics?
- Archosaur
- · Replies 18 ·
Graduate Cross fertilization between string and non string approaches.
- MathematicalPhysicist
- · Replies 4 ·
Graduate Why do matrix models fail to be The M-Theory?
- MTd2
- · Replies 5 ·
Graduate Unigrav applied to problems of time and cosmo constant
- marcus
- · Replies 75 ·
Graduate Emergent relativity from causal networks
- The Geoff
- · Replies 23 ·
Graduate Mass and gravity originating from the quantum vacuum
- Naty1
- · Replies 18 ·