Beyond the Standard Models Forum

Post thread
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 Hamiltonian does NOT equal energy?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Why not unify LQG with Superstring\M theory ?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Do the extra dimensions really make sense?
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Are Length and Time Quantized According to Future Theory?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate What causes topology change in Calabi-Yau manifolds?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Decomposition of irrep. of G_2 into irreps. of A_2
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Gravity Weakness: Explaining Why It's Not as Weak as We Think
  • · Replies 20 ·
Replies
20
Views
9K
Graduate A crazy idea about strings and energy
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Spinfoam Fermions, Lqg now has matter
  • · Replies 22 ·
Replies
22
Views
6K
Graduate Can Spin Networks Overcome the Background Dependence in LQG Theory?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Does Gravity Leak into Extra Dimensions and What Would Happen if it Did?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Tears in spacetime shielded by strings
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Why Are There 11 Dimensions in M-Theory?
  • · Replies 16 ·
Replies
16
Views
6K
Graduate What is the connection between polytopes and string theory in these papers?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Supercharges commutation rules
  • · Replies 7 ·
Replies
7
Views
4K
High School Theoretical Gunshot with Thunder
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Vielbeins as gauge fields of local translations
  • · Replies 14 ·
Replies
14
Views
5K
Graduate What is the meaning of a fundamental constant? Dimensioned or dimenionless
  • · Replies 54 ·
2
Replies
54
Views
10K
Undergrad The Principle of Symmetry: Universal?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Can Lorentzian Signature Metrics Always Be Continued into Euclidean Signatures?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Changing shape of calabi-yau manifolds: flop transitions
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Is N=4 ONLY a mathematical construct?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Time discreteness and lorentz invariance
  • · Replies 47 ·
2
Replies
47
Views
11K
Looking for the audio of the Duff-Smolin debate
  • · Replies 3 ·
Replies
3
Views
3K
Graduate What is the Planck Scale for AS gravity?
  • · Replies 18 ·
Replies
18
Views
6K
Graduate Impact of Gödel's incompleteness theorems on a TOE
  • · Replies 314 ·
11
Replies
314
Views
47K
Graduate Quantum foam and discreteness of spactime for an idiot
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How does string theory avoids IR divergences
  • · Replies 20 ·
Replies
20
Views
5K
Graduate String Theory: Minimal Distance Implications
  • · Replies 12 ·
Replies
12
Views
4K
Graduate What is the role of combinatorics in the depths of string theory?
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Piareround's questions about LQG
  • · Replies 1 ·
Replies
1
Views
2K
Graduate GUT Mass Unification Predictions
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Criticism of LQG - What do we miss?
  • · Replies 31 ·
2
Replies
31
Views
7K
Graduate Is the Higgs Field Merely a Dressing Field?
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Role of in-house concept analysis done by the QG scientists themselves
  • · Replies 95 ·
4
Replies
95
Views
14K
Graduate How to understand 11 dimensions
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Luboš Motl's Criticism of LQG - What Does He Miss?
  • · Replies 16 ·
Replies
16
Views
9K
Graduate What Does Quantum Gravity Scattering Amplitudes Mean?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate What is the Precise Meaning of Canonical in Quantum Gravity Context
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Conceptual ramifications if black holes do not exist.
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Meaning of diffeomorphism invariance
  • · Replies 8 ·
Replies
8
Views
20K
Graduate Occam's razor and theoretical physics
  • · Replies 6 ·
Replies
6
Views
4K
Graduate String theory in dimensions other than 10
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Exploring Connes' Finite Noncommutative Geometry Model
  • · Replies 30 ·
2
Replies
30
Views
8K
Graduate Plug for Bee Hossenfelder blog (QG phenom'ist and conference organizer)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Spring schedule for International LQG Seminar
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Conservation of Angular Momentum And Oscillation of Mass
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Coupling of energy/matter to spacetime
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Quantum Gravity and Specific GR Tests
  • · Replies 39 ·
2
Replies
39
Views
8K
Graduate Can we comprehend the 4th dimension.
  • · Replies 24 ·
Replies
24
Views
11K
Graduate String Theory - Winding Strings
  • · Replies 7 ·
Replies
7
Views
5K
Graduate A string-model case study: hep-th/0703280
  • · Replies 17 ·
Replies
17
Views
5K
Graduate Self-educational book on Supersymmetry/supergravity
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Is a New Principle Necessary to Resolve Quantum Gravity and Unify Interactions?
  • · Replies 148 ·
5
Replies
148
Views
24K
Graduate Why more than 4 spacetime dimensions
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Interpretation of tensor indices
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Lorentzian spinfoam model free of IR divergence (Muxin Han)
  • · Replies 26 ·
Replies
26
Views
5K
Graduate String Theory compact dimensions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Some questions about String theory
  • · Replies 12 ·
Replies
12
Views
4K
High School White Hole: What Is It & How Does It Differ from Black Hole?
  • · Replies 4 ·
Replies
4
Views
2K
  • Poll Poll
Graduate Our picks for third quarter 2010 MIP (most important QG paper)
  • · Replies 17 ·
Replies
17
Views
6K
Graduate What Makes Atoms the Key to Understanding Our Universe?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is the Universe's Expansion Linked to Black Holes and New Universes?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Evidence for UV finiteness of M-theory?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate The anthropic principle(s) and the landscape
  • · Replies 1 ·
Replies
1
Views
4K
Graduate String non-theory failing its tests -we need a replacement
  • · Replies 28 ·
Replies
28
Views
7K
Graduate How do branes emerge in cyclic universe?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Lecture series on Causal Sets approach to QG
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Dirac algebra of constraints in GR
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Question on alternatives to GR
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Best resources to get up to speed
  • · Replies 8 ·
Replies
8
Views
2K
Graduate MHD equations - confused about derivation
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Principle of Least Action Derivation
  • · Replies 3 ·
Replies
3
Views
4K
Graduate What Are the Latest Breakthroughs and Research Topics in M Theory?
  • · Replies 2 ·
Replies
2
Views
7K
Graduate An Exploration of Unified Theories
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Large extra dimensions ruled out?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Illegal Danced Horror - a story about the landscape
  • · Replies 14 ·
Replies
14
Views
3K
Graduate Do Parallel Universes Share the Same Timeline?
  • · Replies 11 ·
Replies
11
Views
5K
Graduate Exploring Lagrangians that Cannot be Transformed with Legendre
  • · Replies 6 ·
Replies
6
Views
3K
Graduate AsymSafe QG sees a numerical breakthrough (Benedetti, Groh, Machado, Saueressig)
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Higher Gauge, TQFT, quantum gravity thematic convergence
  • · Replies 0 ·
Replies
0
Views
2K
Graduate More on Penrose's Conformal Cyclic Cosmology
  • · Replies 27 ·
Replies
27
Views
14K
Graduate Simplicity Constraints in Spin Foams: Physical Meaning & Motivation
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Understanding the Relation between LQG and NQC
  • · Replies 24 ·
Replies
24
Views
5K
Graduate Is Gauge-Free Electrodynamics the Solution to Gauge Ambiguities?
  • · Replies 21 ·
Replies
21
Views
5K
Graduate Primer on conformal / dual conformal symmetry
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Is Bojowald's Book on Quantum Cosmology a Disappointment?
  • · Replies 12 ·
Replies
12
Views
5K
Graduate What does the other 7-dimensions represent?
  • · Replies 13 ·
Replies
13
Views
14K
Graduate EM Stress-Energy Tensor Derivation: Understanding the Symmetry and Conditions
  • · Replies 1 ·
Replies
1
Views
3K
Graduate What is the connection between N=2 SUSY and Kahler Geometry?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Loeb Weiner YIDM Yukawa-Interacting Dark Matter particle
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Quantum Uncertainty in the Holographic Principle
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Is Fotini Markopoulou Redefining Planckian Physics in Her Latest Paper?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Garrett's article in SciAm December issue
  • · Replies 72 ·
3
Replies
72
Views
16K
Graduate How Do We Define and Measure the Extra Spatial Dimensions in String Theory?
  • · Replies 22 ·
Replies
22
Views
5K
Graduate Solving ODE with Data Points: Finding Equation and Integrating Method
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Invariants of a characteristic polynomial
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Could a Fifth Force of the Universe Exist?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Can a Lagrangian be written for a simple RC or RL circuit?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate String Theory & ZPE: Is There a Connection?
  • · Replies 14 ·
Replies
14
Views
4K