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 Deriving equation 3.2 from the Euler-Lagrange equation 3.1
- Lapidus
- · Replies 2 ·
Undergrad Does number theory appear in gravity or other physics fields?
- romsofia
- · Replies 3 ·
Graduate Loop Quantum Gravity and Correspondence Principle
- haushofer
- · Replies 7 ·
Graduate I problem I am struggling: Experiment included.
- WIM_PHOTON
- · Replies 4 ·
Graduate How string theory unifies the four fundamental forces
- jaydnul
- · Replies 2 ·
Graduate Is a GUT Impossible Due to Godel's Incompleteness Theorem?
- Jolb
- · Replies 57 ·
Graduate Unifying gravity with the other four forces
- g.lemaitre
- · Replies 12 ·
Graduate Where can I find an accessible resource on ergodicity for physicists?
- Demystifier
- · Replies 2 ·
Graduate How reliable are Peter Woit and Lee Smolin?
- g.lemaitre
- · Replies 29 ·
Graduate Angular momentum coupling with graviton exchange?
- bcrowell
- · Replies 12 ·
Graduate Is Singular Quantization Still Necessary for Loop Quantum Gravity?
- Physics Monkey
- · Replies 5 ·
Graduate New Model Beynod the Standard Model Formulation
- welatiger
- · Replies 8 ·
Graduate Are All Canonical Transformations Governed by the Generating Function Relation?
- A_B
- · Replies 3 ·
Graduate Article about symmetries (math problems)
- Caloric
- · Replies 2 ·
Graduate Planck's constant as a measure of significance
- Paulibus
- · Replies 1 ·
Graduate The first superstring revolution
- g.lemaitre
- · Replies 5 ·
Graduate Sunset / sunrise diagrams in 2D
- nidnus
- · Replies 2 ·
Graduate 11 dimension, what si going on here ?
- Zix
- · Replies 13 ·
Graduate What Should I Study Next: SUSY, LQG, String Theory, or GUT?
- the_pulp
- · Replies 10 ·
Graduate Are anyons possible in higher dimensions?
- haael
- · Replies 2 ·
Graduate String theory mathematical foundations
- XtremePhysX
- · Replies 7 ·
Fundamental Physics Prize - $27 million awarded
- Devils
- · Replies 10 ·
Graduate Why is R-symmetry SU(4) not U(4) in N=4 supersymmetry?
- Melsophos
- · Replies 8 ·
Graduate 130 GeV gamma line-new physics? DM-detectivework-Lisanti videos
- marcus
- · Replies 0 ·
Graduate String theory gets you any result you want
- g.lemaitre
- · Replies 18 ·
Graduate The 130 GeV gamma-ray line and the 125 GeV Higgs
- mitchell porter
- · Replies 7 ·
Undergrad Definition of a Tensor: Learn Physics Basics
- vikram_n
- · Replies 3 ·
Graduate Is the LaGrangian tautological?
- oldphysicist
- · Replies 2 ·
Graduate Is SUSY theory necessary at this point?
- MichaelMo
- · Replies 3 ·
Graduate Renate Loll video lectures on quantum gravity (Perimeter Scholars series)
- marcus
- · Replies 12 ·
Graduate Mind-boggled by the string theory
- apedrape
- · Replies 5 ·
Graduate Can Detecting Photons from Pion Decay Induce Gravitational Radiation?
- tom.stoer
- · Replies 11 ·
Graduate What Are the Current Trends in String Theory Research?
- marcus
- · Replies 41 ·
Graduate Why must Noether's theorem transformations be time-independent?
- dEdt
- · Replies 1 ·
Graduate Speziale-Wieland Twistor LQG paper, July 2012
- marcus
- · Replies 2 ·
Graduate Gravitational Entropy: QFT, String Theory, Spin Networks
- tom.stoer
- · Replies 5 ·
Graduate Idea for experimental test of LQG
- VCortex
- · Replies 6 ·
Undergrad What Are Tensors and How Can They Be Easily Understood by High School Students?
- Amrutha.phy
- · Replies 11 ·
Graduate Is the Quaternion Higgs the Particle Detected at the LHC?
- S.Daedalus
- · Replies 2 ·
Graduate What is the Haar Measure on SO(4) and Where Can I Find References?
- Bobhawke
- · Replies 2 ·
Graduate Explain Field Theory in Detail - No Quotes Needed
- Stu21
- · Replies 9 ·
Graduate Explicit x dependence in Lagrangian
- ianhoolihan
- · Replies 6 ·
Graduate Is the electron a photon with toroidal topology? - what is that?
- ith
- · Replies 14 ·
Graduate What do complex eigenvalues physically indicate?
- svishal03
- · Replies 14 ·
Graduate Coexistence of LQG and String Theory?
- soothsayer
- · Replies 36 ·
Graduate Discreteness and Determinism in Superstrings?
- Quantumental
- · Replies 3 ·
Graduate What gives superparticles mass?
- w4k4b4lool4
- · Replies 1 ·
Undergrad Pushing a stick thought experiment
- amentac
- · Replies 8 ·
Graduate Neil Turok's equation unifying all known physics
- g.lemaitre
- · Replies 7 ·
Graduate Strings and elementary particles
- TrickyDicky
- · Replies 14 ·
Graduate Why Does Nature Favor the Principle of Least Action?
- dEdt
- · Replies 1 ·
Graduate Empirical test for extra curled dimensions.
- MathematicalPhysicist
- · Replies 1 ·
Graduate A problem I'm having with Noether's Theorem
- TobyC
- · Replies 14 ·
Graduate Does Hamilton's principle have a deeper theoretical foundation?
- Trave11er
- · Replies 6 ·
Graduate Higgs Boson, String Theory and Gravity
- matthias31415
- · Replies 7 ·
Graduate About applicability of singularities in Physics
- rajesh_d
- · Replies 2 ·
Graduate Is String Theory worth the resources it's taking?
- MojoMcGunner
- · Replies 11 ·
Graduate Did physicists complete the supergravity calculations Hawking mentioned?
- g.lemaitre
- · Replies 2 ·
Graduate Solving Dark Matter with SUSY Theory
- varphi42
- · Replies 16 ·
Graduate Algebra of the generator of supersymmetry transformations?
- alialice
- · Replies 11 ·
Graduate Are Quarks Composed of Strings or Photons?
- Luke77
- · Replies 7 ·
Graduate Understand Hamilton's Principle Intuitively
- tut_einstein
- · Replies 2 ·
Graduate Quark and Lepton Mass Matrices, Textures, Horizontal Symmetries
- lpetrich
- · Replies 5 ·
Graduate Using imaginary time to unify QM and GR
- g.lemaitre
- · Replies 5 ·
Graduate Visualising the Hamiltonian constraint in inhomogeneous LQC
- julian
- · Replies 1 ·
Graduate Particle symmetries and unification
- friend
- · Replies 1 ·
Graduate Is the schooling necessary to satisfy my curiosity?
- White Night
- · Replies 10 ·
Graduate Mass dimension of a scalar field in two dimensions?
- alialice
- · Replies 4 ·
Undergrad Is the Vacuum of Space Truly Massless?
- kcrck
- · Replies 29 ·
Graduate Entropy, Relative entropy, Mutual information
- atyy
- · Replies 0 ·
Graduate Wess Zumino model in two dimentions
- alialice
- · Replies 2 ·
Graduate Is it possible to combine string theory and LQG?
- CarlosLara
- · Replies 16 ·
Graduate How does space emerge from quantum interactions?
- Fiziqs
- · Replies 11 ·
Undergrad How accurate is this video about higher dimensions?
- Jakeness
- · Replies 1 ·
Graduate Grassmann variables and Weyl spinors
- 302021895
- · Replies 3 ·
Graduate The dimensions of elementary particles in quantum physics and string theory
- T=0
- · Replies 3 ·
Graduate What would be the pre-requisites to learn Topological Quantum Field Theory?
- yicong2011
- · Replies 7 ·
Graduate Light fermions and ~125 GeV Higgs from asymptotic safety
- mitchell porter
- · Replies 9 ·
Graduate What is the composition of branes and how are they held together?
- Fiziqs
- · Replies 4 ·
Graduate Asymptotic safety predicts Higgs mass at 126 GeV
- MTd2
- · Replies 1 ·
Graduate Explaning gravitation via string theory
- clerk
- · Replies 9 ·
Graduate Why does higher derivatives of displacement not concentrated?
- S.Iyengar
- · Replies 8 ·
Graduate Can Unified Physical Theories Predict Interdimensional Travel in a Multiverse?
- Rorkster2
- · Replies 11 ·
Graduate Schiff conjecture and LQG or m-theory?
- raymo39
- · Replies 3 ·
Graduate Where can I find articles disproving kinetic gravity?
- bill alsept
- · Replies 1 ·
Graduate What is Heim theory and how does it propose to achieve faster-than-light travel?
- flopsies
- · Replies 1 ·
Graduate Non-Relativistic SUSY: Group Theory Motivation
- haushofer
- · Replies 2 ·
Graduate Why are the Lagrangian and the Hamiltonian defined as they are?
- danmay
- · Replies 15 ·
Graduate Nominations for Q2 2012 loop quantum gravity papers poll
- marcus
- · Replies 6 ·
Stress and Failure in Theoretical Physics
- VenusFlytrap
- · Replies 4 ·
Graduate Solving the Quantum Zeno problem with path integral QG
- marcus
- · Replies 10 ·
Graduate Which Fields of Physics Utilize Topology and Geometry in Modern Research?
- electroweak
- · Replies 2 ·
Graduate Is Thiemann in that group of Madrid skydivers?
- marcus
- · Replies 5 ·
Graduate Why are general relativity and quantum mechanics incompatible?
- dipole
- · Replies 14 ·
Graduate How to learn Landau-Lifshitz-Gilbert equation
- biubiu
- · Replies 1 ·
Graduate What are the 26 dimensions in the M theory?
- qsefthuko66
- · Replies 5 ·
Graduate Any evidence accumulating in favor of technicolor
- robertjford80
- · Replies 3 ·
Graduate Sources on explicitly time-dependent Hamiltonian formalism
- TheoryofChaos
- · Replies 3 ·
Graduate Can string theory explain dark energy and quantum entanglement?
- Rorkster2
- · Replies 5 ·