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

Undergrad How do I visualize what tensors actually do in physics?

  • nolanp2
  • · Replies 26 ·
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26

Graduate String theory and LQG key results from 2000-2009

  • ensabah6
  • · Replies 1 ·
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1

Graduate History of Loop Quantum Gravity

  • JustinLevy
  • · Replies 12 ·
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12

Graduate Three new papers on loop quantum gravity foundations

  • marcus
  • · Replies 13 ·
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13

Graduate Why not higher dimensions in string is timelike?

  • ensabah6
  • · Replies 20 ·
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20

Graduate Where to learn Green's functions for QFT propagators

  • auditor
  • · Replies 14 ·
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14

Graduate Can a stochastic process be chaotic?

  • wathan
  • · Replies 2 ·
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2

Graduate Is Local Poincare Symmetry Exact in All Approaches to Quantum Gravity?

  • JustinLevy
  • · Replies 5 ·
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5

Graduate LQG workshop on quantum dynamics and semiclassical limits at Zakopane

  • marcus
  • · Replies 5 ·
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5

Graduate AdS/CFT: any significant quantitative success?

  • petergreat
  • · Replies 5 ·
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5

Graduate Understanding Brane Tension in Cosmology

  • Omega137
  • · Replies 3 ·
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3

Graduate What is a generating function (GF) in physics?

  • Living_Dog
  • · Replies 3 ·
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3

Graduate Some confusion about asymptotic safety

  • Physics Monkey
  • · Replies 21 ·
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21

Graduate Do D0 branes contradict string theory's basis as point particles?

  • arroy_0205
  • · Replies 1 ·
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1
  • Poll Poll

Graduate Our picks for fourth quarter 2009 MIP (most important QG paper)

  • marcus
  • · Replies 8 ·
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8

Graduate Could M-theory be formuated using loop gravity?

  • ensabah6
  • · Replies 13 ·
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13

Graduate What is emergent ; what is fundamental ?

  • marcus
  • · Replies 2 ·
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2

Graduate Introductory resources on supergravity

  • arroy_0205
  • · Replies 5 ·
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5

Graduate Berkeley prof contributes LQG paper

  • marcus
  • · Replies 0 ·
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0
  • Poll Poll

Graduate Successors to string scuffle (physical assets/liabilities?)

  • marcus
  • · Replies 112 ·
4
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112

Graduate Is Everything in the Universe Truly a Mathematical Structure?

  • Demystifier
  • · Replies 39 ·
2
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39

Graduate A Single String Conjecture ? -Feynman revisited

  • rai linga
  • · Replies 9 ·
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9

Graduate Interesting paper - The Schwarzschild Proton

  • cuallito
  • · Replies 10 ·
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10

Graduate Michio Kaku on loop quantum gravity

  • ensabah6
  • · Replies 31 ·
2
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31

Graduate So, in string theory, is there such a thing as matter?

  • Wrinkliez
  • · Replies 2 ·
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2
  • Poll Poll

Graduate Our picks for third quarter 2009 MIP (most important QG paper)

  • marcus
  • · Replies 13 ·
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13

Graduate Is the Forces by Proxy Theory a Valid Explanation of the 4 Fundamental Forces?

  • qedprigmosyno
  • · Replies 1 ·
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1

Graduate Can all solutions to Laplace's equation be superposed from separable solutions?

  • AxiomOfChoice
  • · Replies 2 ·
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2

Graduate M-Theory states that there are an infanite amount of other realities

  • Ultrastar 1
  • · Replies 2 ·
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2

Graduate Could there be an infinite number of dimensions?

  • SpaceGuy50
  • · Replies 8 ·
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8

Graduate Is energy the fundamental essence of all physical phenomena?

  • trogan
  • · Replies 3 ·
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3

Graduate Understand Noether's Theorem w/ Lagrangian Example

  • vertices
  • · Replies 3 ·
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3

Graduate Grav. + GUT (Gravity from a Particle Physicist's perspective)

  • marcus
  • · Replies 50 ·
2
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50

Graduate Do any branches of theoretical physics depend on supercomputer time?

  • Noxide
  • · Replies 2 ·
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2

Graduate The SM finaly realized as particles w/o particle .

  • MTd2
  • · Replies 4 ·
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4

Graduate Steven Weinberg offers a way to explain inflation

  • marcus
  • · Replies 157 ·
6
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157

Graduate Real relativistic field and curvature?

  • Spinnor
  • · Replies 6 ·
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6

Luboš Motl's reference frame down?

  • nitin
  • · Replies 2 ·
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2

Graduate Enough freedom if space is only 3D?

  • Spinnor
  • · Replies 4 ·
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4

Graduate Links between Everett, Feynman, Kripke?

  • nomadreid
  • · Replies 2 ·
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2

Graduate Quantum gravity and the 'measurement problem'

  • JustinLevy
  • · Replies 17 ·
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17

Graduate Can the Standard Model, String Theory, and Plasma Cosmology be integrated?

  • Qwe$t
  • · Replies 3 ·
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3

Graduate Kaluza-Klein Theory: Unifying Weak Force and Gravity

  • Rezaderex
  • · Replies 6 ·
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6

Graduate Woes With the Principle of Least Action.

  • Jilvin
  • · Replies 2 ·
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2

Graduate No-frill unification bid to replace string

  • marcus
  • · Replies 8 ·
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8

Graduate Gravitationally trapped photons leads to quantized space-time

  • johne1618
  • · Replies 4 ·
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4

Graduate Nicolai digs back into string theory-supergravity, E8, octonions

  • marcus
  • · Replies 17 ·
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17

High School Talk by Weinberg about LHC and future of particle physics (video)

  • marcus
  • · Replies 1 ·
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1

Graduate Can somebody show me a non-trivial exmple of Noether Theorem?

  • kof9595995
  • · Replies 1 ·
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1

Graduate Can Superparticles with Charge be Detected at the LHC?

  • johnbaldry
  • · Replies 2 ·
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2

High School Why same object but different space can't be touch?

  • Chitose
  • · Replies 5 ·
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5

Undergrad What is the motivation of Technicolor?

  • susyTC
  • · Replies 2 ·
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2

Graduate Do we move through higher dimensions?

  • beans
  • · Replies 1 ·
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1

Graduate (canonical) quantization of teleparallel gravity

  • tom.stoer
  • · Replies 6 ·
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6

Graduate Different number of time dimensions

  • Dmitry67
  • · Replies 2 ·
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2
  • Poll Poll

Graduate Does this paper prove GR emerge from LQG?

  • ensabah6
  • · Replies 12 ·
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12

Graduate Is my visualization of an unfolded hypercube correct?

  • Jobrag
  • · Replies 1 ·
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1

Graduate Why does string theory require 11 dimensions?

  • revesz
  • · Replies 24 ·
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24

Graduate Lewandowski et al's generalized spinfoams

  • marcus
  • · Replies 53 ·
2
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53

Graduate Why the term cylindrical functions for the states in LQG?

  • zwicky
  • · Replies 1 ·
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1

Graduate Tell me how string theory works and about extra dimensions in (laymen terms)

  • Riot09
  • · Replies 5 ·
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5

Undergrad Why haven't gravitons been detected like other force-carrying particles?

  • MarcusH
  • · Replies 2 ·
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2

Graduate Is the LSP the Graviton in Particle Physics?

  • AmagicalFishy
  • · Replies 2 ·
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2

Graduate How have particle masses been successfully predicted in theoretical physics?

  • Bob_for_short
  • · Replies 15 ·
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15

Graduate What causes strings to vibrate in string theory?

  • QuantumKitty
  • · Replies 8 ·
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8

Graduate Minimum volume of LQG corresponds to a minimum energy?

  • Spinnor
  • · Replies 3 ·
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3

Graduate Alan Guth video on the BIG BANG Theory

  • Naty1
  • · Replies 4 ·
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4

Graduate Elaboration on Superstring Theory

  • Benjamin113
  • · Replies 1 ·
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1

Graduate New Unified Theories: Current Research

  • AlphaT
  • · Replies 3 ·
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3

Graduate Thiemann opens new Center for QG with a stream of papers

  • marcus
  • · Replies 18 ·
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18

Graduate What equation is L = q̄(iγ^μD_μ - m_q)q - ¼F^a_μνF^μν_a?

  • snoopies622
  • · Replies 3 ·
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3

Graduate Martin Bojowald's loop quantum gravity book for general readers

  • marcus
  • · Replies 57 ·
2
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57

Graduate Observable QG effects in Chern-Simons gravity-Stephon Alexander

  • marcus
  • · Replies 8 ·
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8

Graduate Conformal group, Conformal algebra and Conformal invariance in field theory

  • samalkhaiat
  • · Replies 39 ·
2
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39

High School Is energy measurable or only a theoretical concept?

  • Mad_Eye
  • · Replies 50 ·
2
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50

Graduate Is the Conservation of Information a Valid Principle in Physics?

  • Sandor
  • · Replies 3 ·
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3

Graduate String theory with points instead of strings, doable?

  • Spinnor
  • · Replies 8 ·
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8

Graduate Asymptotic darkness in string theory

  • atyy
  • · Replies 7 ·
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7

Graduate Morelia QG School lineup-first US supported QG school

  • marcus
  • · Replies 0 ·
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0

Graduate CDT papers on stochastic time and asymptotic safety

  • John86
  • · Replies 1 ·
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1

Graduate Quantum mechanics and gravity Married?

  • sas3
  • · Replies 1 ·
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1

Graduate How SUSY solves the hierarchy problem

  • Cherry_pie
  • · Replies 3 ·
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3

Graduate Subatomic particles: Comparative sizes

  • rrw4rusty
  • · Replies 2 ·
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2

Graduate Why are there exactly 11 dimensions?

  • stamba
  • · Replies 60 ·
3
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60

Graduate Faster than light time travel through controlled, spatial distortion

  • Lamented_Soul
  • · Replies 11 ·
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11

Graduate Gravity-Yang-Mills-Higgs unification bid by Krasnov and Gomez

  • marcus
  • · Replies 1 ·
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1

Graduate Master Constraint and canonical LQG

  • ensabah6
  • · Replies 3 ·
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3

Graduate Questions regarding non-commutative geometry

  • tom.stoer
  • · Replies 4 ·
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4

Graduate Lorentz covariance + Open string

  • wam_mi
  • · Replies 1 ·
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1

Graduate Any relation between de sitter relativity and LGC?

  • MTd2
  • · Replies 10 ·
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10

Graduate Does the big rip happen in LQC?

  • MTd2
  • · Replies 31 ·
2
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31

Graduate Are there geodesics for Calabi–Yau manifold?

  • Spinnor
  • · Replies 9 ·
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9

Graduate Can Loop Quantum Cosmology Explain Non-Uniform and Asymmetric Universes?

  • marcus
  • · Replies 2 ·
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2

Graduate Calculating Degrees of Freedom for Riemann Tensor in D Dimensions

  • Stas
  • · Replies 4 ·
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4

Graduate Questioning Theoretical Physics: A Skeptic's View

  • ThomasMagnus
  • · Replies 2 ·
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2

Graduate H Space Drive from Heim Quantum Theory

  • Joseph Voros
  • · Replies 2 ·
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2

Graduate Ward's approach to quantum loop corrections in general relativity

  • selfAdjoint
  • · Replies 36 ·
2
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36

Graduate What could string theory let us do if it were confirmed?

  • rrw4rusty
  • · Replies 15 ·
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15

Graduate Why is light-cone gauge useful for quantum strings and particles?

  • wam_mi
  • · Replies 1 ·
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1

Graduate Gravity manipulation mechanisms for hard science fiction

  • SkepticJ
  • · Replies 42 ·
2
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42