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 Conformal gravity challenges string (Mannheim)

  • marcus
  • · Replies 9 ·
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9

Graduate Why does string theory resist criticism due to its mathematical complexity?

  • Schrodinger's Dog
  • · Replies 9 ·
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9

Graduate Anisotropic bounce in Bianchi I loop quantum cosmology

  • marcus
  • · Replies 5 ·
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5

Graduate Startup Institute for Gravitation and the Cosmos (IGC) at Penn State

  • marcus
  • · Replies 1 ·
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1
  • Poll Poll

Graduate Should I become a mathematician to understand GUT theories?

  • pivoxa15
  • · Replies 35 ·
2
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35

Graduate Randall-Sundrum Metric: Causes of Warping

  • touqra
  • · Replies 2 ·
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2

Graduate Surrogate Cosmic Variance Comment thread

  • marcus
  • · Replies 1 ·
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1

Graduate How Do Curled Up Dimensions in String Theory Affect Matter and Space?

  • chingomorph
  • · Replies 1 ·
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1

Graduate Tegmark Manyworld article for Nature magazine

  • marcus
  • · Replies 6 ·
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6
  • Poll Poll

Why has mathematics worked so far to describe the laws of nature ?

  • chrisina
  • · Replies 7 ·
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7

Graduate What is S^1/Z_2 and its connection to the projective plane?

  • touqra
  • · Replies 2 ·
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2

Graduate GLAST Launch: Has the Gamma Ray Large Area Telescope Operated as Scheduled?

  • quasar987
  • · Replies 4 ·
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4

Graduate What's wrong with Canonical QG

  • Klaus_Hoffmann
  • · Replies 14 ·
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14

Graduate GFT common frame for LQG/SF +Simplex

  • marcus
  • · Replies 1 ·
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1

Graduate Lee mili-eV ennumeration and see saw

  • arivero
  • · Replies 1 ·
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1

Graduate Why are generalized momenta cotangent vectors in symplectic manifolds?

  • StatusX
  • · Replies 2 ·
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2

Graduate Edward Witen is not researching LQG-like quantum gravity

  • josh1
  • · Replies 39 ·
2
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39

Graduate Nonconservative lagrangian systems

  • jdstokes
  • · Replies 3 ·
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3

Graduate What are the key similarities between geometrodynamic and quantum singularities?

  • Loren Booda
  • · Replies 9 ·
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9

Graduate Appropriate maths for QFT, LQG, strings etc.

  • jdstokes
  • · Replies 5 ·
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5

Graduate Will LHC mini-black holes evaporate and could cosmic rays trigger vacuum decay?

  • hammertime
  • · Replies 6 ·
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6

Graduate Universe or Multiverse? (new w/cosmic natural selection chapter)

  • marcus
  • · Replies 34 ·
2
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34

Graduate Are Extra Dimensions in String Theory Static or Dynamical?

  • ensabah6
  • · Replies 4 ·
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4

Graduate Study of brane decay that results in a brane/antibrane pair ?

  • Johnny R
  • · Replies 2 ·
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2

Graduate Lee Smolin's molten gold analogy

  • marcus
  • · Replies 9 ·
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9

Loops '07 conference: slides and audio available

  • marcus
  • · Replies 5 ·
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5

Graduate Black hole bounce-Vandersloot and Böhmer

  • marcus
  • · Replies 1 ·
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1

Graduate Are There Extremal Action Paths in Physical Systems Beyond Minimal Action?

  • jostpuur
  • · Replies 14 ·
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14

Graduate Gross Tel Aviv perspective on string

  • marcus
  • · Replies 31 ·
2
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31

Graduate LQG how do you get the Quantum of Space-time

  • Klaus_Hoffmann
  • · Replies 5 ·
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5

Graduate Does publishing on arXiv establish priority before peer review?

  • AlexHT
  • · Replies 1 ·
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1

Graduate Garrett Lisi paper subject of Baez TWF 253

  • marcus
  • · Replies 8 ·
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8

Graduate Plenary speakers and topics for Loops '07 conference

  • marcus
  • · Replies 40 ·
2
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40

Graduate Bojowald's letter in Nature Physics (July 2007)

  • marcus
  • · Replies 5 ·
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5

Graduate Loop Quantum Gravity and String Theory

  • STS816
  • · Replies 6 ·
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6

Graduate LQG in the mainstream press Glimpse of Time Before Big Bang Possible

  • ensabah6
  • · Replies 1 ·
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1

Graduate Latest from Connes and Chamseddine

  • marcus
  • · Replies 2 ·
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2

Graduate What has string theory actually achieved so far?

  • chrisina
  • · Replies 72 ·
3
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72
  • Poll Poll

Graduate Single man revolution in Theoretical Physics today?

  • pivoxa15
  • · Replies 6 ·
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6

Graduate Are Everett's parallel universes the same as those in M-theory?

  • eoghan
  • · Replies 32 ·
2
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32

Graduate My view on how to achieve the principle of locality in QM

  • Hamble
  • · Replies 3 ·
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3

Undergrad Can We Really Understand the Tenth Dimension?

  • ||spoon||
  • · Replies 16 ·
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16

Graduate Black hole entropy, curved space and monsters

  • jal
  • · Replies 6 ·
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6

Graduate Has the total entropy of the universe remained constant throughout its history?

  • chrisina
  • · Replies 5 ·
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5

Graduate Edward Witten researching non-string LQG-like quantum gravity

  • ensabah6
  • · Replies 28 ·
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28

Graduate Is process physics mature enough to study seriously?

  • dansas
  • · Replies 2 ·
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2

Graduate Symplectic structure vs. metric structure

  • jillnorth@hotmail.com
  • · Replies 2 ·
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2

Graduate Why do string theorists propose strings as fundamental particles?

  • Terilien
  • · Replies 16 ·
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16

Graduate Quantum Gravity and Quantum Geometry School 2007 materials

  • path-integral
  • · Replies 2 ·
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2

Graduate Is Mallett's Theory of Time Travel Valid?

  • dansas
  • · Replies 4 ·
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4

Cité des Sciences et de l'Industrie physics exhibits

  • ccdantas
  • · Replies 7 ·
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7

Graduate String threory assumptions about spacetime

  • technobot
  • · Replies 4 ·
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4

Graduate The LQG vertex amplitude (Rovelli, Engle, Pereira)

  • marcus
  • · Replies 9 ·
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9

Graduate A third road? Strings from a new perspective

  • Demystifier
  • · Replies 2 ·
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2

Graduate Trieste QG-testing conference starts 11 June

  • marcus
  • · Replies 4 ·
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4

Graduate Verify String/Hyperspace/HigherDimension Theory: TREMENDOUS ENERGy

  • rbt
  • · Replies 2 ·
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2

Graduate Materials and particle coupling

  • Ondra Spilka
  • · Replies 1 ·
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1

Graduate Phase transitions of space-time?

  • Boris Leykin
  • · Replies 31 ·
2
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31

Graduate Coupling gauge theory to spinfoam 3d quantum gravity

  • jal
  • · Replies 1 ·
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1

Graduate Gravitons and extra dimensions

  • indigojoker
  • · Replies 3 ·
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3

Graduate Unification through probability density gradients

  • Instine
  • · Replies 2 ·
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2

Graduate Equivalence of DAlembert's principle and Action Principle

  • maverick280857
  • · Replies 4 ·
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4

Graduate Spin foam model from canonical quantization

  • jal
  • · Replies 3 ·
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3

Graduate Do strings obey Hooke's law if dark energy stretches space?

  • verdigris
  • · Replies 1 ·
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1

Graduate Infinite universes and dimensions cannot exist outside an infinite universe

  • alexsok
  • · Replies 9 ·
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9

Graduate Explicitly dependent on time Lagrangian

  • Magister
  • · Replies 1 ·
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1

Graduate String theory debates on Woit and Motl's blogs

  • Bohr_Wars
  • · Replies 100 ·
4
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100

Graduate Quantum mechanics and relativity

  • ppyadof
  • · Replies 20 ·
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20

(Old) Lee Smolin presentation Oct. 26th, 2006

  • jal
  • · Replies 1 ·
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1

Gravity Research Foundations Awards 2007

  • ccdantas
  • · Replies 7 ·
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7

Graduate Loop Quantum Gravity is a noncommutative geometry?

  • Angryphysicist
  • · Replies 9 ·
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9

Graduate Recent Activity in Smolin/Polchinski Discussion on String Theory Validity

  • marcus
  • · Replies 1 ·
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1

Graduate Polchinski's Response to Smolin: A Technical Debate

  • Micha
  • · Replies 4 ·
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4

Graduate Kaluza-Klein geodesics and the 5D metric constraint

  • Ken S. Tucker
  • · Replies 1 ·
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1
  • Poll Poll

Graduate Are strings the building blocks of the universe?

  • Demystifier
  • · Replies 15 ·
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15

Graduate Can anybody tell me what is Causal Solution

  • walkinginwater
  • · Replies 4 ·
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4

Graduate Naming a theoretical particle discovery at CERN

  • jal
  • · Replies 14 ·
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14

Graduate Quantum relativity at the Marcel and grg

  • marcus
  • · Replies 1 ·
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1

Graduate Why don't string theorists worry about background dependence?

  • Ratzinger
  • · Replies 4 ·
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4

Graduate Ashtekar on Recent Advances in LQG

  • ccdantas
  • · Replies 6 ·
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6

Graduate A new spinfoam vertex probably MIP for second quarter

  • marcus
  • · Replies 8 ·
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8

Graduate The Trouble with The Trouble with deSitter Space

  • marcus
  • · Replies 2 ·
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2

Graduate Freidel and Loll in Fredericton

  • George Jones
  • · Replies 2 ·
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2

Graduate Status of optimal inference methods in physics?

  • Fra
  • · Replies 10 ·
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10

Graduate Report on QGQG-1 school from Alejandro Satz, with his photos

  • marcus
  • · Replies 16 ·
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16

Smolin book #1 physics bestseller in UK (#23 in all books)

  • marcus
  • · Replies 37 ·
2
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37

Graduate Are there any GUT's that do not violate baryon number?

  • ensabah6
  • · Replies 10 ·
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10

Graduate Joris van Hoboken's thesis on Platonic solids,Kleinian singularities and ADE

  • John Baez
  • · Replies 7 ·
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7

Graduate GRG 18-the 18th int. conf. on General Relativity and Gravitation (Sydney 2007)

  • marcus
  • · Replies 5 ·
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5

Graduate Loop quantum gravity and Planck-size black hole entropy

  • jal
  • · Replies 25 ·
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25

Graduate Wiltshire's alternative to dark energy using general relativity

  • marcus
  • · Replies 1 ·
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1

Graduate Selectrons as the particles of Dark Energy

  • yanniru
  • · Replies 5 ·
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5

Graduate Can Null LHC Results Falsify SUSY Theories and Hierarchy Solutions?

  • ensabah6
  • · Replies 2 ·
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2

Graduate Is Extrasense's Mathematical Proof Debunking Kurzweil Valid?

  • Extropia
  • · Replies 2 ·
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2

Graduate How gravity prevents equilibrium and enables distinct events

  • marcus
  • · Replies 10 ·
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10

Graduate Derivation of Grand Canonical Ensemble from scratch?

  • tim_lou
  • · Replies 2 ·
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2

Smolin's Response to review by Joe Polchinski

  • ccdantas
  • · Replies 43 ·
2
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43

Graduate How Does Causal Dynamical Triangulations Illuminate (2+1)-D Quantum Gravity?

  • marcus
  • · Replies 8 ·
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8

Graduate Repercusions of Smolin's book?

  • quasar987
  • · Replies 2 ·
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2
  • Poll Poll

Graduate Is the popularity of string theory declining as seen through Amazon salesranks?

  • marcus
  • · Replies 10 ·
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10