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 What does M-Theory have to do with String Theory, Superstrings,. .?

  • GODisALIVE
  • · Replies 1 ·
Replies
1

Graduate Understanding Metric Tensor in Higher Dimensions

  • rbt
  • · Replies 1 ·
Replies
1

Graduate What is the significance of generating functions in canonical transformations?

  • Moose352
  • · Replies 2 ·
Replies
2

Graduate World sheet EM tensor in complex coordinates

  • da_willem
  • · Replies 4 ·
Replies
4

Graduate World sheet EM tensor (Hilbert principle?)

  • da_willem
  • · Replies 5 ·
Replies
5

Graduate Imaginary numbers are inherently unobservable

  • madness
  • · Replies 4 ·
Replies
4

Graduate Would classical physics not exist without probability?

  • Loren Booda
  • · Replies 20 ·
Replies
20

Graduate Uncertainty and basis vectors of relativity

  • Rothiemurchus
  • · Replies 1 ·
Replies
1

Graduate Sabine Hossenfelder: Phenomenological Quantum Gravity

  • jal
  • · Replies 1 ·
Replies
1

Graduate Quantum Gravity Testing: A Collaborative Approach

  • marcus
  • · Replies 2 ·
Replies
2

Graduate QG2 2008 conference at University of Nottingham

  • marcus
  • · Replies 13 ·
Replies
13

Graduate The universe as a string-net liquid

  • kvantti
  • · Replies 18 ·
Replies
18

Graduate The Quantum Configuration Space of Loop Quantum Cosmology

  • jal
  • · Replies 1 ·
Replies
1

Graduate CFT charge/transformation question

  • da_willem
  • · Replies 2 ·
Replies
2

Graduate Row vs column vector in partial derivative definition

  • Cyrus
  • · Replies 30 ·
2
Replies
30

Graduate Trying to understand spin networks, or at least SU(2)

  • Coin
  • · Replies 14 ·
Replies
14

Graduate Will MiniBooNE's Findings Impact Future Neutrino Experiments?

  • marcus
  • · Replies 18 ·
Replies
18

Martin Gardner review in New Criterion

  • marcus
  • · Replies 4 ·
Replies
4

Graduate Could Negative Mass or Energy Be Real and How Can We Find It?

  • Zaius
  • · Replies 1 ·
Replies
1

Graduate What is Tripled Pauli Statistics in Black Hole Quantum Mechanics?

  • CarlB
  • · Replies 10 ·
Replies
10

Graduate The Third Road to Quantum Gravity

  • setAI
  • · Replies 183 ·
7
Replies
183

Graduate Can Grid Theory Define the Smallest Possible Movement?

  • JoesKepler
  • · Replies 3 ·
Replies
3

Graduate What happens with causality at the Planck scale? Can effects precede causes?

  • devhda
  • · Replies 26 ·
Replies
26

Graduate Subscripts on the Laplacian operator

  • Swapnil
  • · Replies 8 ·
Replies
8

Graduate Lattice refining loop quantum cosmology, anisotropic models and stability

  • jal
  • · Replies 2 ·
Replies
2

Graduate Loop at APS April meeting-other QG

  • marcus
  • · Replies 1 ·
Replies
1

Graduate Loop Quantum Cosmology: Bojowald's "Dynamical Coherent States

  • marcus
  • · Replies 3 ·
Replies
3

Graduate The chemistry of geometry (Braid and Preon Update)

  • marcus
  • · Replies 5 ·
Replies
5

Graduate Hubble time, cosmic acceleration, and plasma cosmology models

  • shintashi
  • · Replies 5 ·
Replies
5

Graduate First steps toward unifying general relativity and quantum mechanics

  • smss_engineer
  • · Replies 5 ·
Replies
5

Graduate Is there a classical counterpart to quantum string theory?

  • jostpuur
  • · Replies 2 ·
Replies
2

Graduate New papers implies the Kodama state gives LQG a good semiclassical limit

  • ensabah6
  • · Replies 16 ·
Replies
16

Graduate The role of time in Loop Quantum gravity

  • Micha
  • · Replies 8 ·
Replies
8

Graduate Why heterotic strings avoid the tachyon problem of bosonic strings

  • Demystifier
  • · Replies 3 ·
Replies
3

Graduate Bloggingheads conversation re string-think

  • marcus
  • · Replies 5 ·
Replies
5

Graduate Extra dimensions and fibre bundles

  • Micha
  • · Replies 5 ·
Replies
5

Graduate Q-deformed spin foam models of quantum gravity

  • jal
  • · Replies 2 ·
Replies
2

Graduate Is Goya's The Blind Chicken a Fitting Emblem for M-Theory at Strings '07?

  • marcus
  • · Replies 1 ·
Replies
1

Graduate Which Cosmology Approach Do Astrophysicists Prefer?

  • ensabah6
  • · Replies 4 ·
Replies
4

Graduate Fermilab Statement on LHC Magnet Test Failure

  • jal
  • · Replies 3 ·
Replies
3

Graduate A question of string v.s LQG derivation of BH entropy -

  • ensabah6
  • · Replies 48 ·
2
Replies
48

Graduate Greene/Krauss debate at Smithsonian

  • marcus
  • · Replies 7 ·
Replies
7

Graduate Loop Quantum Gravity: Space Infinitely Divisible, Matter Not

  • ravisankarme
  • · Replies 9 ·
Replies
9

Graduate What Are the Real-World Applications of M-Theory?

  • Reklam
  • · Replies 17 ·
Replies
17

Graduate Charge as spin in the electromagnetic dimension of Kaluza-Klein theory

  • Neelesh
  • · Replies 1 ·
Replies
1
  • Poll Poll

Graduate Most Influential Paper first quarter 2007

  • marcus
  • · Replies 26 ·
Replies
26

Graduate Dynamical coherent states and physical solutions of quantum cosmological bounces

  • jal
  • · Replies 7 ·
Replies
7

Undergrad What does d³x notation mean and why use it instead of dV?

  • Swapnil
  • · Replies 18 ·
Replies
18

Graduate QGQG-One School | Zakopane | 22nd March - 4th April

  • marcus
  • · Replies 8 ·
Replies
8

Graduate Thermal fluctuations in loop quantum cosmology

  • marcus
  • · Replies 7 ·
Replies
7

Graduate A completely different look at the 4th dimension

  • pakmingki
  • · Replies 3 ·
Replies
3

Graduate Why is gravity so much weaker than other forces in M-theory?

  • Kt_Atis
  • · Replies 1 ·
Replies
1

Graduate New Physics or Standard Model? D-Meson Mixing Evidence Emerges

  • Rade
  • · Replies 1 ·
Replies
1
  • Poll Poll

Graduate Public interest in Smolin's book

  • marcus
  • · Replies 29 ·
Replies
29

Graduate Is Negative Mass Prohibited in the Standard Model of Particle Physics?

  • heusdens
  • · Replies 42 ·
2
Replies
42

Graduate Undiscovered phenomena in physics outside quantum mechanics

  • bassplayer142
  • · Replies 8 ·
Replies
8

Graduate Could Time Be Conceptualized as a String?

  • petm1
  • · Replies 47 ·
2
Replies
47

Graduate How do we know the principle of least action is true?

  • Terilien
  • · Replies 5 ·
Replies
5

Graduate Is 11 dimensional space infinite?

  • fournier17
  • · Replies 1 ·
Replies
1

Graduate Does an exact three-fold symmetry exist in physics?

  • Loren Booda
  • · Replies 4 ·
Replies
4

Graduate Bengtsson picks up on Krasnov's non-metric gravity

  • marcus
  • · Replies 1 ·
Replies
1

Graduate Fairbairn-Livine map spinfoam developments

  • marcus
  • · Replies 3 ·
Replies
3

Graduate New directions in Background Independent Quantum Gravity

  • jal
  • · Replies 3 ·
Replies
3

Graduate Mathematicians Map 248-Dimension Structure of E8

  • wolram
  • · Replies 1 ·
Replies
1

Graduate Dirac observables of relativistic particles and DSR

  • marcus
  • · Replies 13 ·
Replies
13

Graduate Mathematicians Map [ the exceptional Lie group ] E8

  • robphy
  • · Replies 1 ·
Replies
1

Graduate Conformal Invariance of N=4 SYM Theory and the Yang-Mills Stress Tensor

  • BenTheMan
  • · Replies 2 ·
Replies
2

Graduate Crossing The Desert-without h-bar

  • jal
  • · Replies 28 ·
Replies
28

Graduate How do LQG loops differ physically from closed strings in string theory?

  • rtharbaugh1
  • · Replies 27 ·
Replies
27

Graduate Was Stephen Hawking wrong in dublin?

  • wolram
  • · Replies 9 ·
Replies
9

Graduate Lee Smolin's LQG may reproduce the standard model

  • bananan
  • · Replies 75 ·
3
Replies
75

Graduate Are extra dimensions required be compacted?

  • Chris Walters
  • · Replies 4 ·
Replies
4

Undergrad Beyond the Big Bang (Springer Press 2007) Rudy Vaas

  • marcus
  • · Replies 0 ·
Replies
0

Graduate Is Quantum Gravity Taking Shape on the West Coast?

  • francesca
  • · Replies 15 ·
Replies
15

Graduate Universal Structure - Bubble Theory

  • BinaryMan
  • · Replies 1 ·
Replies
1

Graduate Philosophical and Formal Foundations of Modern Physics

  • ccdantas
  • · Replies 12 ·
Replies
12

Graduate Minimum Length from First Principles

  • marcus
  • · Replies 10 ·
Replies
10

Graduate Could superstrings form knotted clusters with 3D properties?

  • FastFreddy
  • · Replies 7 ·
Replies
7

Graduate Did Heim Theory Use Empirical Data for Mass Calculations?

  • John Reed
  • · Replies 4 ·
Replies
4

Graduate Gravity, BF, and DSR talk by Jerzy Kowalski-Glikman

  • marcus
  • · Replies 15 ·
Replies
15

Graduate If M-Theory Is True, All Possible Realities Exist?

  • vedicdude
  • · Replies 14 ·
Replies
14

Graduate Brief Review: Terry Gannon 'Moonshine Beyond the Monster'

  • Dcase
  • · Replies 2 ·
Replies
2

Graduate Why is the principle of least action true?

  • Ragnar
  • · Replies 10 ·
Replies
10

Graduate Useful annotated overview of string theory literature

  • jeff
  • · Replies 24 ·
Replies
24

Graduate Is Angular Momentum Always Conserved with a Rotation-Invariant Lagrangian?

  • quasar987
  • · Replies 1 ·
Replies
1

Graduate Singularities and Quantum Gravity

  • marcus
  • · Replies 3 ·
Replies
3

Graduate The problems in Quantum Geometry

  • marcus
  • · Replies 19 ·
Replies
19

Graduate String Theory: Where to begin?

  • phoenix5002
  • · Replies 13 ·
Replies
13

Graduate Week246: What does John Baez have to say about TWP and NEW?

  • ccdantas
  • · Replies 4 ·
Replies
4

Graduate De Sitter special relativity José Geraldo Pereira

  • marcus
  • · Replies 4 ·
Replies
4

Graduate What is the minimum energy limit of particles in the early universe?

  • chrisina
  • · Replies 4 ·
Replies
4

Graduate When is N=4 SYM valid for D-brane dynamics in AdS/CFT?

  • nonplus
  • · Replies 2 ·
Replies
2

Graduate Helpful new paper by Derek Wise

  • marcus
  • · Replies 20 ·
Replies
20

Graduate Principal of Locality - Einstein

  • Q_Goest
  • · Replies 9 ·
Replies
9

Graduate A minor Immirzi revolution (Corichi, Ghosh, DeBenedictis)

  • marcus
  • · Replies 5 ·
Replies
5

Graduate Quantum Gravity School - March 2007

  • francesca
  • · Replies 34 ·
2
Replies
34

Graduate Testing string theory soon, with Cosmic Microwave Background?

  • Robert100
  • · Replies 4 ·
Replies
4

Graduate BRST quantization of string question

  • simic4
  • · Replies 1 ·
Replies
1

Graduate Sabine Hossenfelder's "Multi-Particle States in Deformed Special Relativity

  • marcus
  • · Replies 13 ·
Replies
13

Graduate Burton Richter's talk at AAAS in San Francisco

  • marcus
  • · Replies 0 ·
Replies
0