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 Why the Multiverse? Evidence of Many Universes

  • JohnLuck
  • · Replies 28 ·
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28

Graduate Hearing a drum's shape as approach to quantum gravity (Kempf)

  • marcus
  • · Replies 3 ·
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3

Graduate Theory of everything and chemical bond theory

  • lyborko
  • · Replies 3 ·
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3

Graduate Introducing Loop Quantum Gravity: Where to Start?

  • Qubix
  • · Replies 1 ·
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1

Graduate Warm dark matter and light sterile neutrinos

  • marcus
  • · Replies 7 ·
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7

Graduate How cyclic coordinates affect the dimension of the cotangent manifold

  • mjordan2nd
  • · Replies 3 ·
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3

Graduate Alternatives to GUT and GUT Epoch

  • kye
  • · Replies 4 ·
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4

Graduate What are the challenges with unifying gravity and quantum theory?

  • Mr-T
  • · Replies 29 ·
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29

Graduate Can Physics Answer the Five Night-Time Questions of the Universe?

  • marcus
  • · Replies 24 ·
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24

Graduate Integrating a physical quantity to infinity

  • Visceral
  • · Replies 3 ·
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3

Undergrad Relationship Of Physics And Theorems

  • BOAS
  • · Replies 2 ·
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2

Graduate Are there undiscovered forces beyond the four fundamental forces?

  • Dash-IQ
  • · Replies 6 ·
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6

Graduate A Global Measure on a Gravitational System

  • wildthing
  • · Replies 25 ·
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25

Graduate Are All Boundary Value Problems Eigenvalue Problems?

  • The_Engineer
  • · Replies 1 ·
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1

Graduate Constants of Nature (and SM Parameters)

  • kye
  • · Replies 30 ·
2
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30

Graduate How to model the moon's orbital decay toward Earth

  • moon42
  • · Replies 10 ·
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10

Graduate Relativistic Bohmian mechanics with scalar time and quantum proper time

  • atyy
  • · Replies 1 ·
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1

Graduate Why is the tangent bundle of a circle a cylinder?

  • mjordan2nd
  • · Replies 8 ·
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8

Graduate Unexpected LHC Results Summary

  • kye
  • · Replies 14 ·
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14

Graduate How can massless strings be the building blocks of matter?

  • soothsayer
  • · Replies 1 ·
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1

Graduate Whey new physics must lie around the TeV scale ?

  • Alkass
  • · Replies 1 ·
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1

Graduate Is Planck Time Not Considered in Mainstream Physics Theories?

  • roineust
  • · Replies 10 ·
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10

Graduate Can Light Speed Exceed 'c' in Alternative Physics Theories?

  • member 11137
  • · Replies 1 ·
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1

Graduate Possible alternatives to LQG and ST?

  • kye
  • · Replies 8 ·
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8

Graduate Hilbert's 6th Problem: Progress in Physics Axiomatization

  • quasar987
  • · Replies 9 ·
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9

Graduate Math Speculations Before Planck Epoch: Estimate of Time?

  • Rosen
  • · Replies 1 ·
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1

Graduate Is string theory a legitimate contender for standard physics?

  • PhotonEmitter
  • · Replies 15 ·
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15

Graduate Building theoretical model for phase seperation

  • susdu
  • · Replies 1 ·
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1

Graduate Matter and energy short question

  • Whitefire
  • · Replies 14 ·
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14

Graduate Are Fierz and Pauli Conditions Related to Massive Gravity and Higher Spin?

  • sadegh4137
  • · Replies 2 ·
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2

Graduate Minkowski vacuum as superposition of spin networks? (Haggard at PI)

  • marcus
  • · Replies 2 ·
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2

Graduate Unconsidered source of CP asymmetry?

  • michael879
  • · Replies 12 ·
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12

Graduate The Influence of Low Energy Limits on Physical Matter, Space, and Time in Nature

  • Maui
  • · Replies 4 ·
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4

Graduate Remaining problems w LQG (and cosmology application)

  • marcus
  • · Replies 48 ·
2
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48
  • Poll Poll

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

  • marcus
  • · Replies 17 ·
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17

Graduate Calculus of Variation - Shortest path on the surface of a sphere

  • cxcxcx0505
  • · Replies 7 ·
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7

Graduate Asymptotic safety incompatible with SUSY and extra dimensions

  • marcus
  • · Replies 1 ·
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1

Graduate How many higgs particles are there in the universe

  • ftr
  • · Replies 17 ·
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17

Graduate Strategies for solving Hamilton's equations

  • jjustinn
  • · Replies 2 ·
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2

Graduate Number of Dimensions + Laws of Physics

  • StevieTNZ
  • · Replies 3 ·
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3

Graduate Are There Natural Dimensionless Numbers in the Standard Model?

  • jimjohnson
  • · Replies 16 ·
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16

Graduate Why Does Nature Seek Stability?

  • StarsFly
  • · Replies 4 ·
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4

Undergrad Is Scope of Classical Physics decreasing?

  • koolraj09
  • · Replies 6 ·
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6

Graduate Permeability/permissivity from G, hbar, c

  • kye
  • · Replies 1 ·
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1

Graduate George Ellis paper on vacuum energy in unimodular gravity

  • marcus
  • · Replies 25 ·
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25

Graduate Higgs mass from vacuum decay and proton decay lifetimes

  • mitchell porter
  • · Replies 13 ·
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13

Graduate Is String Theory the Monopolistic Theory in Modern Physics?

  • theoristo
  • · Replies 85 ·
3
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85

Graduate Bibliographical reference needed

  • dextercioby
  • · Replies 1 ·
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1

Graduate Spin of Sfermions: 2 d.o.f, Why Complex Scalar Not Spin-1?

  • kev0
  • · Replies 5 ·
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5

Graduate Relationship between Principle of Least Action and Continuity Equation

  • cryptist
  • · Replies 5 ·
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5

Graduate Hamiltonian function vs. operator

  • Habeebe
  • · Replies 1 ·
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1

Graduate Landau and Lifschitz derivation question

  • HJ Farnsworth
  • · Replies 1 ·
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1

Graduate What happens to the second E8 in compactified E8×E8 heterotic string theory?

  • Jim Kata
  • · Replies 1 ·
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1

Graduate Self-loop Fock space in spinor network formulation of loop quantum gravity

  • marcus
  • · Replies 7 ·
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7

Graduate Karami's Loop cosmology talk Tuesday at ILQGS,

  • marcus
  • · Replies 1 ·
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1

Graduate Why is the divergence of a curl always zero?

  • terahertz
  • · Replies 11 ·
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11

Graduate Can strings vibrate without subdividing the Planck length?

  • pforeman
  • · Replies 6 ·
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6

Graduate Merging the strong force with the gravitational force

  • serp777
  • · Replies 1 ·
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1

Graduate Why are the two forms of the Fokker-Planck equation equivalent?

  • Abigale
  • · Replies 2 ·
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2

Graduate Where Can I Learn String Theory Online with Math and Everything?

  • Superposed_Cat
  • · Replies 15 ·
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15

Graduate Liouville equation - equilibrium

  • lakmus
  • · Replies 2 ·
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2

Graduate Is There a Macro Version of the Planck Length?

  • Cody Richeson
  • · Replies 7 ·
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7

Graduate A purely geometric path integral for gravity

  • marcus
  • · Replies 9 ·
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9

Graduate Is Routh Function a non-relativistic KK theory?

  • arivero
  • · Replies 6 ·
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6

Graduate Challenging Susskind's uncompressible flow in Liouville’s Theorem

  • VRT
  • · Replies 18 ·
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18

Graduate Are the extra dimensions in string theory additional time dimensions?

  • LinJieFu
  • · Replies 2 ·
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2

Graduate Entropy limit inside event horizons

  • friend
  • · Replies 2 ·
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2

Graduate Question on Tachyon Correlator (Green Schwarz Witten)

  • earth2
  • · Replies 6 ·
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6

Graduate Is the amplituhedron important for quantum physics?

  • Khashishi
  • · Replies 68 ·
3
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68

Graduate Why does gravity need quantization at the Planck scale?

  • Lapidus
  • · Replies 12 ·
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12

Graduate Liouville's Theorem and Black Holes

  • anorlunda
  • · Replies 8 ·
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8

Graduate What does the Dirac delta function do and how do you evaluate it?

  • Philosophaie
  • · Replies 4 ·
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4

Graduate Smallest set of fundamental physical constants?

  • PeetH
  • · Replies 3 ·
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3

Graduate Superconductivity for other forces

  • ilikescience94
  • · Replies 5 ·
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5

Graduate Quantum geometry school at Erlangen: what can it tell us?

  • marcus
  • · Replies 1 ·
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1

Graduate Primary constraints for Hamiltonian field theories

  • Bobhawke
  • · Replies 8 ·
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8

Graduate Spooky action at a distance - gravitons

  • keepit
  • · Replies 8 ·
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8

Graduate Sum of forces, vacuum and gravity

  • Gh778
  • · Replies 5 ·
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5

Graduate Understanding symmetry and super symmetry

  • shounakbhatta
  • · Replies 28 ·
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28

Graduate String theory-connecting strings

  • pforeman
  • · Replies 5 ·
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5

Graduate Variation Formulations of Physical Laws: The Correct Formulation

  • JTVT
  • · Replies 1 ·
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1

Graduate Firewalls, Singularities, and the Unibabe Question

  • marcus
  • · Replies 42 ·
2
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42

Graduate Testable quantum geometry - recent Loop rivals?

  • marcus
  • · Replies 9 ·
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9
  • Poll Poll

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

  • marcus
  • · Replies 17 ·
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17

Graduate Transformation of auxiliary field

  • rbwang1225
  • · Replies 1 ·
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1

Graduate Infinitesimal SUSY transformation of SYM lagrangian

  • karlzr
  • · Replies 7 ·
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7

Graduate Using cosmology to detect quantum gravity effects from inflation

  • marcus
  • · Replies 4 ·
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4

Graduate Invariants under group actions

  • SUSY
  • · Replies 3 ·
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3

Graduate What is the meaning of the Jacobi identity for Poisson brackets?

  • M. next
  • · Replies 2 ·
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2

Graduate Status of the Complex Singlet Extensions?

  • arivero
  • · Replies 4 ·
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4

Graduate Whatever happened to AdS/CFT and the Quark Gluon Plasma?

  • John86
  • · Replies 2 ·
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2

Graduate What is the Role of S-Matrix in String Theory?

  • Korybut
  • · Replies 4 ·
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4

Graduate Is There Evidence for Quantized Space in the Universe?

  • kolkmvd
  • · Replies 6 ·
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6

Graduate Chaos Attractor: +inf as Attractor?

  • Shobhit Gupta
  • · Replies 1 ·
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1

Graduate Unfurling the string dimensions

  • kuartus4
  • · Replies 2 ·
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2

Graduate New geometric version of quantum field theory

  • sas3
  • · Replies 4 ·
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4

String Theory Explained with Bohemian Gravity: Entertaining Video

  • stevendaryl
  • · Replies 1 ·
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1

Graduate What is the relationship between U(1) symmetry and the Standard Model?

  • shounakbhatta
  • · Replies 2 ·
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2

Graduate Phenomenology of scattering on spacetime defects without Lorentz violation

  • marcus
  • · Replies 22 ·
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22

Graduate Holography without string theory (new paper by Don Marolf)

  • marcus
  • · Replies 17 ·
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17