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 Does BICEP2's observation rules out ekpyrotic cosmological model ?

  • sufive
  • · Replies 3 ·
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Graduate How do gravitational fields and waves interact with black holes and FTL travel?

  • craigi
  • · Replies 3 ·
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3

Graduate Wieland's thesis foreword in rough German-to-English translation

  • marcus
  • · Replies 5 ·
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Graduate Impossibility of having less than 3 dimensions?

  • tanzanos
  • · Replies 6 ·
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6

Graduate Do all known quantum gravity theories lead to a true unification?

  • ftr
  • · Replies 10 ·
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  • Poll Poll

Graduate Our picks for fourth quarter 2013 MIP (most important QG paper)

  • marcus
  • · Replies 9 ·
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9

Graduate Signs of Quantum Gravity in CMB Ancient Light

  • marcus
  • · Replies 1 ·
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Graduate Strumia's dimensionless gravity

  • marcus
  • · Replies 10 ·
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Graduate Freidel Continuum Limit and Renormalization ILQGS 1/4/14

  • marcus
  • · Replies 1 ·
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Graduate Introduction To Loop Quantum Gravity

  • marlon
  • · Replies 311 ·
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Graduate Can We Unify Quantum Gravity with the Other Fundamental Forces?

  • AmiBlackwelder
  • · Replies 18 ·
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Graduate Does Clifford algebra solve both QFT and GR

  • friend
  • · Replies 15 ·
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Graduate What does a Wolpert's machine do?

  • tarekatpf
  • · Replies 2 ·
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Graduate Viability after BICEP2 of LQC matter bounce

  • marcus
  • · Replies 2 ·
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Graduate Suppose you have an object with infinite mass

  • arandomtheoris
  • · Replies 8 ·
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8

Graduate Unruh and Hawking Radiation Paradoxes?

  • craigi
  • · Replies 7 ·
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Graduate Length and curvature operators in Loop gravity

  • marcus
  • · Replies 4 ·
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4

Graduate What Are the Top Beginner Resources for Learning Loop Quantum Gravity Online?

  • craigi
  • · Replies 2 ·
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Graduate LQC & Inflation: Dynamics, Spectrum & Benefits

  • MTd2
  • · Replies 8 ·
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Graduate System described by probabilities

  • aaaa202
  • · Replies 6 ·
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6

Graduate Questions on General Relativity and Beyond

  • Drakkith
  • · Replies 3 ·
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Graduate Situations with integration over simple poles?

  • Elendur
  • · Replies 2 ·
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Graduate What is the use of infinite-dimensional representation of group

  • liucl78
  • · Replies 1 ·
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1

Graduate Quark-Lepton Symmetry: What Happens When Particles Annihilate?

  • mes314159
  • · Replies 4 ·
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4

Graduate What do the fusion rules in CFT mean when coefficients are larger than 1?

  • nrqed
  • · Replies 2 ·
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Graduate Cosmic Inflation Discovery: BICEP2 Primordial B-modes

  • atyy
  • · Replies 1 ·
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1

Undergrad Is my understanding of Einstein right?

  • Jamin2112
  • · Replies 5 ·
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5

Graduate How Is Temperature Defined in Kelvin Using Fundamental Units?

  • "pi"mp
  • · Replies 5 ·
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5

Graduate Can string theory explain the existence of multiple universes?

  • fsujoseph
  • · Replies 14 ·
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Graduate Shaposhnikov Wetterich predicted 126 GeV Higgs in 2009

  • marcus
  • · Replies 102 ·
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Graduate How to differentiate by a vector ?

  • dyn
  • · Replies 9 ·
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Graduate Can a Black Hole Firewall Limit Energy and Entropy?

  • jamg.97
  • · Replies 4 ·
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Graduate What is the expression of N=2 SUSY transformation

  • karlzr
  • · Replies 19 ·
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Graduate GR/StatMech/QM foundations, epistemic views only please

  • marcus
  • · Replies 120 ·
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Graduate Is a Second Temporal Dimension Possible?

  • L.Newton
  • · Replies 3 ·
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Graduate Global emergent time, how does Tomita flow work?

  • marcus
  • · Replies 85 ·
3
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Graduate Do Non-Commuting Derivatives Shape New Physical Theories?

  • MathematicalPhysicist
  • · Replies 13 ·
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Graduate Unseen Forces: Beyond the 4 We Know?

  • brjense
  • · Replies 4 ·
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4

High School Mathematical Number of Shapes: Explained for Intro Physics

  • Medgirl314
  • · Replies 2 ·
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Graduate Calculus of Variation: Extrema & Further Variations

  • LagrangeEuler
  • · Replies 2 ·
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Graduate Scharnhorst effect - faster or slower than c?

  • Dmitry67
  • · Replies 5 ·
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Graduate Database of theories beyond the standard model?

  • vulcantaylor
  • · Replies 1 ·
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Graduate Is the universe slowly freezing or experiencing a hot big bang?

  • tom.stoer
  • · Replies 0 ·
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Graduate Understanding the New Theory of UBIT: A Breakthrough in Quantum Mechanics

  • ClamShell
  • · Replies 8 ·
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8

Graduate A New Vacuum for LQG (Dittrich Geiller)

  • marcus
  • · Replies 10 ·
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Graduate Massive particles in D-brane models ?

  • Dilatino
  • · Replies 1 ·
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Graduate Can Very Short Gamma-Ray Bursts Be Traced to Primordial Black Hole Explosions?

  • marcus
  • · Replies 8 ·
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Graduate Can AdS/CFT and Holography Be Proven Through t'Hooft Diagrams?

  • Andrei
  • · Replies 4 ·
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Graduate What do P, p(subscript r), and L represent in the 2-Body Lagrangian problem?

  • dyn
  • · Replies 9 ·
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Graduate Supersymmetry - current status

  • jirka.win
  • · Replies 3 ·
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3

Graduate Understanding BPS States and Their Relation to Supersymmetry Generators

  • nrqed
  • · Replies 4 ·
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4

Graduate What Causes Gravity and Electricity to Act at a Distance Through Vacuum?

  • bobie
  • · Replies 6 ·
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Graduate Is There a Unified Theory for the Other Three Forces?

  • thetexan
  • · Replies 2 ·
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Graduate What are the difficulties of gravitational quantization scheme?

  • ndung200790
  • · Replies 4 ·
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Graduate Has the Firewall Paradox Finally Been Resolved?

  • bcrowell
  • · Replies 7 ·
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Graduate Fields in physics and fields in group theory, are they related?

  • Space Pope
  • · Replies 4 ·
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Graduate Gluino hadronization, what do we know?

  • arivero
  • · Replies 12 ·
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Graduate 't Hooft - Polyakov monopole at large distance

  • karlzr
  • · Replies 1 ·
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1

Graduate Are extra dimensions provable?

  • Niaboc67
  • · Replies 5 ·
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Graduate How does M-Theory deal with space time?

  • Shain
  • · Replies 1 ·
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1

Graduate Symmetry Groups of the Standard Model: SU(3) x SU(2) x U(1)

  • Qubix
  • · Replies 4 ·
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Graduate Veracity of Simple Molecular Model

  • Bashyboy
  • · Replies 3 ·
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3

Graduate Does a symmetry need to leave the whole action invariant?

  • nonequilibrium
  • · Replies 1 ·
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1

Graduate Black holes may not exist after all

  • rjbeery
  • · Replies 32 ·
2
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Graduate Extra dimensions and weakness of gravity

  • kochanskij
  • · Replies 1 ·
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Graduate Transformations that are scalar invariant

  • junfan02
  • · Replies 2 ·
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Graduate Degrees of Freedom/Spatial Manifold

  • spacebear2000
  • · Replies 5 ·
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Graduate Reference for N=4 d=3 SuperYangMills

  • Fedecart
  • · Replies 1 ·
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Graduate Dimensional Analysis with non-dimensional initial parameter

  • Zoli
  • · Replies 4 ·
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4

Graduate Is the Lagrangian Invariant or Variant in a Coordinate System Shift?

  • shounakbhatta
  • · Replies 4 ·
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4

Graduate Particles with complex number mass.

  • MathematicalPhysicist
  • · Replies 4 ·
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4

Graduate Compactification effects in Kaluza-K theory - Gauge away EM?

  • center o bass
  • · Replies 3 ·
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3

Graduate Understanding SU(5) Subgroups and the SM Choice

  • ChrisVer
  • · Replies 4 ·
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4

Graduate Choose parameters for a system

  • Gh778
  • · Replies 2 ·
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2

Graduate Could Virtual Particles Solve the N-Body Problem?

  • CosmicKitten
  • · Replies 18 ·
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Graduate All movement should be impossible (?)

  • Edi
  • · Replies 18 ·
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18

Graduate Regrettable definition/notation

  • facenian
  • · Replies 10 ·
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10

Graduate About locality in classical physics

  • karlzr
  • · Replies 1 ·
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1

Graduate String Theory and Evidence of the Multiverse

  • matrixrising
  • · Replies 4 ·
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4

Graduate I think I just became a QBist ?

  • strangerep
  • · Replies 91 ·
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91

Graduate Partition Function in Torres-Hernandez "Photon Mass" 1984

  • sayebms
  • · Replies 2 ·
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2

Graduate Gravity as Entanglement Thermodynamics

  • S.Daedalus
  • · Replies 27 ·
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27

Graduate What are Soliton Particle Models?

  • jarekd
  • · Replies 7 ·
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7

Graduate Extra Dimensions in String Theory

  • Lelan Thara
  • · Replies 94 ·
4
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94

Graduate Local Electrodynamics in higher dimensions?

  • "pi"mp
  • · Replies 4 ·
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4

Graduate Whats left in physics to discover

  • MightyKaykoher
  • · Replies 32 ·
2
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Graduate Susskind's theoretical minimum

  • 43arcsec
  • · Replies 2 ·
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2

Graduate Is It Possible to Reduce the Effective Mass of a System?

  • Chronicler1701
  • · Replies 2 ·
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Graduate Notable Loop gravity papers this quarter

  • marcus
  • · Replies 12 ·
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12

Graduate Black Holes & Firewalls: Recent Papers

  • elfmotat
  • · Replies 83 ·
3
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83

Graduate How Is the Laplace Equation Applied to Semi-Infinite Plates in Physics?

  • sigh1342
  • · Replies 1 ·
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1

Graduate Uncovering the Truth: New Measurement Challenges Supersymmetry Theories

  • audioloop
  • · Replies 2 ·
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2

Graduate Origin and Nature of Gauge Principle

  • kye
  • · Replies 39 ·
2
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39

Graduate Bertrand's and Earnshaw's theorems contradiction

  • Trifis
  • · Replies 8 ·
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8

Graduate Hamilton-Jacobi equation in spherical coordinates

  • DrClaude
  • · Replies 2 ·
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2

Graduate Given a canonical transformation, how does one find its type?

  • mjordan2nd
  • · Replies 1 ·
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1

Graduate Brian Greene on The Hidden Reality

  • Annihilator
  • · Replies 2 ·
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Graduate Liquid helium and curved piston

  • Gh778
  • · Replies 19 ·
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19

Graduate Calculating derivatives of a Lagrangian density

  • JPaquim
  • · Replies 3 ·
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3

Graduate Why the Multiverse? Evidence of Many Universes

  • JohnLuck
  • · Replies 28 ·
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28