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 Holographic Dualities and the Potential Misdirection of String Theory

  • inflector
  • · Replies 40 ·
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Graduate Gravity field differential equations

  • ABW
  • · Replies 2 ·
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Graduate Refreshing paper by Rovelli (nods to filmmaker Khrzhanovsky)

  • marcus
  • · Replies 2 ·
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High School Ed Witten & M-Theory: Physics I Project Ideas

  • catherineM
  • · Replies 1 ·
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Graduate Penrose interpretation of quantum gravity

  • relativityfan
  • · Replies 7 ·
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Graduate What's the General Consensus on Heim Theory?

  • hadsed
  • · Replies 1 ·
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Graduate I understand the main goal of all physicists is to unite quantum

  • Waveparticle
  • · Replies 12 ·
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Graduate Poincare conserved currents : Energy-momentum and Angular-momentum tensors

  • crackjack
  • · Replies 10 ·
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Graduate Seminal Papers in Quantum Gravity?

  • inflector
  • · Replies 7 ·
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Graduate Is Holographic Principle a confirmed theory ?

  • czes
  • · Replies 9 ·
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Graduate What Do UV and IR Mean in the Context of Quantum Gravity Theories?

  • inflector
  • · Replies 1 ·
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Graduate Are dualities not just an expression of equivalence in physical theories?

  • S.Daedalus
  • · Replies 16 ·
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Graduate String Theory: a layman's explanation [joke]

  • cafeinst@msn.com
  • · Replies 23 ·
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Graduate Confused about symmetries and canonical transformations

  • Sillyboy
  • · Replies 2 ·
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Graduate Why strings and not zero dimensional fundumental particles?

  • snackster17
  • · Replies 10 ·
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Graduate Gravity is not entropic force ?

  • czes
  • · Replies 92 ·
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Graduate Understanding Compactified Dimensions in Superstring and M-Theory

  • Kevin_Axion
  • · Replies 2 ·
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Graduate What are the dimensions beyond 4, 10, and 26?

  • Life|Time
  • · Replies 28 ·
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  • Poll Poll

Graduate Our picks for second quarter 2010 MIP (most important QG paper)

  • marcus
  • · Replies 29 ·
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Graduate What Are the Extra Dimensions Beyond Our Familiar Three?

  • Xyooj
  • · Replies 1 ·
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Undergrad Compton scattering angle question

  • Borg
  • · Replies 7 ·
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Graduate Unsolved Problems in Theoretical Physics and Astrophysics

  • Stratosphere
  • · Replies 8 ·
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Graduate Laws of Nature workshop: what can we tell from the program?

  • marcus
  • · Replies 38 ·
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Graduate Experimental Search for Quantum Gravity - Talks online now

  • MTd2
  • · Replies 1 ·
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Undergrad Visualizing Hypercubes: A Beginner's Guide

  • AJ_2010
  • · Replies 10 ·
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Graduate What Determines the Tension of a Brane in Brane-World Cosmology?

  • Abolhassan
  • · Replies 4 ·
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Graduate Timeless Path Integral: Dah-Wei Chiou's Latest Paper

  • marcus
  • · Replies 7 ·
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Graduate Gravitational force in different dimensions

  • pavi_elex
  • · Replies 3 ·
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3

Graduate Status report on Doubly Special Relativity (Kowalski-Glikman)

  • marcus
  • · Replies 15 ·
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Graduate SUSY gauge theories and representations

  • haushofer
  • · Replies 12 ·
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Graduate Get the equation catenary using variational method

  • kof9595995
  • · Replies 6 ·
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Graduate Spontaneous dimensional reduction of quantized spacetime

  • tom.stoer
  • · Replies 8 ·
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Graduate About the proof of Noether Theorem

  • princeton118
  • · Replies 6 ·
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Graduate How does M-theory explain genesis of the 11th dimension?

  • seattle.truth
  • · Replies 10 ·
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Graduate Gribov (gauge fixing) ambiguities in quantum gravity

  • tom.stoer
  • · Replies 19 ·
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Graduate Foundations of Space and Time (edited by Ellis et al, to appear)

  • marcus
  • · Replies 5 ·
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Graduate Can a theory have local Lorentz invariance but not diffeo invariance?

  • nrqed
  • · Replies 9 ·
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Graduate Post-2004 work on cosmological natural selection?

  • bcrowell
  • · Replies 6 ·
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Graduate Why are theories of QM and relativity not possible to combine?

  • PrincePhoenix
  • · Replies 8 ·
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Graduate What is the CFT equivalent of active diffeomorphisms in AdS?

  • petergreat
  • · Replies 8 ·
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Graduate Four-qubit entanglement from string theory

  • bcrowell
  • · Replies 4 ·
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Undergrad Questions of Conjecture in Physics.

  • B-80
  • · Replies 2 ·
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Graduate Is there someone who knows the difference between String Theory and LQG?

  • qinglong.1397
  • · Replies 26 ·
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Graduate Building space with quantum chunks (Bianchi Doná Speziale)

  • marcus
  • · Replies 2 ·
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Graduate Quantum Theory as Inductive Inference: RK Kostecki

  • John86
  • · Replies 4 ·
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Graduate Is the Higgs Boson Misunderstood Due to Misleading Analogies?

  • JohnT89
  • · Replies 5 ·
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Graduate Why in field theory Lagrangian is an integral of space-time

  • kof9595995
  • · Replies 3 ·
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Graduate Matter as excitations of spacetime lattice?

  • ericbrown86
  • · Replies 28 ·
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Graduate Understanding the Holographic Principle

  • pythagoras88
  • · Replies 3 ·
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Graduate Synchronization method with possible QG applications

  • bcrowell
  • · Replies 0 ·
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Graduate Incorporating 3 Forces Into Relativity: Is It Possible?

  • Jonnyb42
  • · Replies 4 ·
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Graduate Time as a Dimension or Projection?

  • inflector
  • · Replies 22 ·
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Graduate Conrady's animation visualizes chaos cooling and 2D space crystalizing out

  • marcus
  • · Replies 2 ·
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Graduate Hi, from newcomer J. interested in string/M

  • marcus
  • · Replies 10 ·
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Graduate How Does Causal Dynamical Triangulation Ensure a Single-Direction Spacetime?

  • inflector
  • · Replies 1 ·
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Graduate Are congenial constants also holey ?

  • marcus
  • · Replies 9 ·
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Graduate How to evaluate gradient of a vector? or del operator times a vector

  • herbgriffin
  • · Replies 1 ·
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Graduate Gravity Quantized along Thiemann lines (by Lewandowski's team)

  • marcus
  • · Replies 10 ·
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Graduate Adjusting Our Units: Can Fundamental Constants Have Integer Values?

  • Mu naught
  • · Replies 13 ·
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Graduate Why spin is quantized one-dimensionally (spon. dim. red. conjecture)

  • marcus
  • · Replies 40 ·
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Graduate Hartle Hawking offer probabilities for observations (eternal inflation picture)

  • marcus
  • · Replies 1 ·
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Graduate Non-perturbative string theory from AdS/CFT ?

  • crackjack
  • · Replies 2 ·
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Graduate Does string/M-theory make falsifiable predictions at planck scale?

  • ensabah6
  • · Replies 8 ·
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Graduate Need to verify some proof involving Green's function.

  • yungman
  • · Replies 3 ·
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Graduate Question about examples used to visualise higher dimensions

  • jamesop
  • · Replies 3 ·
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Graduate Sommerfeld lectures on theoretical physics

  • becko
  • · Replies 4 ·
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Graduate A Theory We're Incapable to Understand?

  • Kevin_Axion
  • · Replies 38 ·
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Graduate Strings still usefull in 4D spacetime?

  • Spinnor
  • · Replies 1 ·
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Graduate Gerard 't Hooft's Probing Canonical Quantum Gravity

  • John86
  • · Replies 2 ·
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Graduate Could N=8 Supergravity Challenge the Foundations of Asymptotic Safety?

  • atyy
  • · Replies 4 ·
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Graduate A change of vacuum in string theory?

  • bcrowell
  • · Replies 3 ·
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3

Graduate Hawking and Spontaneous Creation

  • Esran
  • · Replies 3 ·
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Graduate Smolin's Scientific American article on LQG

  • bcrowell
  • · Replies 1 ·
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Graduate Concept for Black Hole explaination

  • Noja888
  • · Replies 3 ·
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Graduate Exploring the Role of SU(2) in Spin Networks

  • tom.stoer
  • · Replies 19 ·
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Graduate Basic LQG questions raised by 1998 LQG Primer article

  • marcus
  • · Replies 17 ·
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Graduate Satellite Workshop on Noncommutative Field Theory and Gravity

  • Finbar
  • · Replies 1 ·
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Graduate Gradient operator in Natural Curvilinear Coordinates

  • anmol1980
  • · Replies 1 ·
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Undergrad E= Mx (C Squared) by why squard?

  • Tony Batchelo
  • · Replies 19 ·
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Graduate What is Heim's theory and how does it relate to Maxwell's equations?

  • aeroboyo
  • · Replies 9 ·
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Graduate Entropic force correction to Newton law by Modesto and Randono

  • marcus
  • · Replies 2 ·
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Graduate What happens when you try to join QM and GR?

  • gk007
  • · Replies 6 ·
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Graduate Can we create a universe in a lab using m-theory and repulsive forces?

  • Brad12d3
  • · Replies 3 ·
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Graduate New Study Suggests a Test for String Theory

  • Kevin_Axion
  • · Replies 2 ·
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Graduate Masses of elementary particles

  • tom.stoer
  • · Replies 12 ·
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Graduate Can Extra Dimensions Explain Attractive and Repulsive Forces?

  • idea2000
  • · Replies 1 ·
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Graduate Can overlapping divergences be disentangled ?

  • zetafunction
  • · Replies 3 ·
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Graduate Does Pi Have a Variable Value in Einstein Field Equations?

  • ignoramus1
  • · Replies 6 ·
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Graduate Starting from Discrete or Continuous?

  • inflector
  • · Replies 9 ·
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Undergrad A learn's puzzle on transformation equation

  • atreess
  • · Replies 3 ·
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Graduate What is Rovelli's new LQG formulation trying to do?

  • ensabah6
  • · Replies 16 ·
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Graduate Is there a quatum of torsion in Cartan Einstein Gravity? What is its spin?

  • MTd2
  • · Replies 12 ·
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Graduate A trivial question about the space of Euclidean

  • Shing
  • · Replies 1 ·
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Undergrad Imagine there is a piece of paper negative mass

  • john88888
  • · Replies 2 ·
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Graduate ADM formalism in canonical quantum gravity

  • tom.stoer
  • · Replies 8 ·
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Graduate Arithmetic quantum gravity and cosmology

  • MathematicalPhysicist
  • · Replies 3 ·
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Undergrad Theoretically where the g factor came from? g=9.8

  • hagopbul
  • · Replies 8 ·
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Graduate Percacci Calmet Hossenfelder find min length implicit in AsymSafe gravity

  • marcus
  • · Replies 11 ·
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Graduate Galilean Transformations and Postulates

  • RedX
  • · Replies 2 ·
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