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 When is alpha energy in the Hamilton-Jacobi equation?
- M. next
- · Replies 5 ·
Graduate String theory in arbitrary number of dimensions
- Demystifier
- · Replies 4 ·
Undergrad Interesting Coincidence with Classical/Modern View of Mass and Energy
- Cadaei
- · Replies 3 ·
Graduate If String Theory explains/ leads to gravity, how does it not make predictions?
- Swimmingly!
- · Replies 4 ·
Graduate Is Proving Canonical Transformations as Challenging as It Seems?
- M. next
- · Replies 4 ·
Graduate What is Maupertuis' Principle and its significance in Lagrangian mechanics?
- M. next
- · Replies 20 ·
Graduate Where did cotQ come from in canonical transformation?
- M. next
- · Replies 3 ·
Graduate Acceleration of a universe with -ve Cosmological Constant
- shreyakmath
- · Replies 3 ·
Graduate Is String Theory Truly the Ultimate Theory of Everything?
- CuriousApe
- · Replies 7 ·
Graduate Deriving the 2D KdV Equation for Overcoming Nonlinear Theory Challenges
- hunt_mat
- · Replies 4 ·
Graduate Why does the Poisson bracket {q_i,p_j} equal 1 in some sources and -1 in others?
- M. next
- · Replies 9 ·
Graduate Area Law and accuracy of momentum measurement at plank energies
- Prathyush
- · Replies 1 ·
Graduate Proving Hamiltonian ≠ Energy for Rotating Ball
- M. next
- · Replies 3 ·
Graduate List of Questions I want to ask regarding physics, philosophy, mathematics, etc.
- ConfusedSoul
- · Replies 1 ·
Graduate How do you verify unitarity in spin foam models?
- atyy
- · Replies 11 ·
Graduate The Standard Model from SO(32) superstrings?
- lpetrich
- · Replies 11 ·
Graduate Does ST provide causation to QM?
- csmcmillion
- · Replies 12 ·
Graduate Master equation for Ornstein-Uhlenbeck process
- cjolley
- · Replies 4 ·
Graduate Does cosmic censureship hypothesis avoid incompatibility with QM?
- TGlad
- · Replies 2 ·
Graduate Smolin:GR=EoS of SF, if he's right isn't that the ballgame? :-D
- marcus
- · Replies 18 ·
Graduate How Does RCHO Unification Relate to Normed Division Algebras?
- arivero
- · Replies 85 ·
Graduate Fist and second order constraints in a system?
- trex
- · Replies 2 ·
Graduate What Did Einstein's Quest for a Theory of Everything Really Aim to Achieve?
- Zubeen
- · Replies 18 ·
Graduate Explaination of Quantum Loop Gravity?
- Neutrino98
- · Replies 4 ·
Graduate Dimensions and Degrees of Freedom
- Guymillion
- · Replies 1 ·
Graduate What does this Lagrangian with kinetic and quartic terms represent?
- Alcubierre
- · Replies 5 ·
Graduate The concept of on-shell mass : what is it?
- member 11137
- · Replies 7 ·
Undergrad Does a flat universe imply infinity if embedded in a multiverse?
- marc2012
- · Replies 1 ·
Graduate What is the recent development of Loop Quantum Gravity
- Karmerlo
- · Replies 105 ·
Graduate Why do strings in black holes not collapse to a singularity?
- brooknorton
- · Replies 1 ·
Graduate Symmetries of Lagrangian and governing equations
- nickthequick
- · Replies 3 ·
Graduate 2012 Gravity essay contest results
- marcus
- · Replies 4 ·
Graduate Limit cycles in asymptotic safety?
- atyy
- · Replies 2 ·
Graduate Twistor question the link holomorphic vector bundles and anti self dual guage
- Jim Kata
- · Replies 3 ·
Graduate Compactifying M-theory to four dimensions
- mitchell porter
- · Replies 28 ·
Graduate Codification of fundamental principals of physics
- csmcmillion
- · Replies 2 ·
High School The four forces that are trying to be unified by TOE?
- MattA147
- · Replies 2 ·
Graduate Text book for SU5/GUT theories
- Neitrino
- · Replies 2 ·
Graduate T'Hooft video talk: Conformal Gravity - BH complementarity
- marcus
- · Replies 1 ·
Graduate Papers to prove and disprove string theory/ M Theory?
- SakuraAi
- · Replies 15 ·
Graduate Converting equations in Natural units to SI?
- lordkelvin
- · Replies 3 ·
Graduate KdV Equation - weakly nonlinear weakly disspersive
- quid
- · Replies 4 ·
Graduate Dark energy from logarithmic corrections to cosmological horizon entropy?
- mitchell porter
- · Replies 9 ·
Graduate Logarithmic corrections to black hole entropy, especially for the standard model
- mitchell porter
- · Replies 23 ·
Graduate Opinions on the QG ideas in the latest Scientific American?
- PAllen
- · Replies 15 ·
Undergrad What is a manifold in phase space?
- KFC
- · Replies 7 ·
Graduate Question regarding quantum gravity.
- Sigurdsson
- · Replies 3 ·
Graduate Can someone explains me the Legrendre transformation?
- fluidistic
- · Replies 2 ·
Graduate Noncommutative geometry in leaf spaces of classical physics
- Monocles
- · Replies 1 ·
Graduate Has Mendel Sachs successfully unified electromagnetic and nuclear forces?
- MathematicalPhysicist
- · Replies 27 ·
Graduate Quantum Master Equation in String Theory
- Caeadas
- · Replies 4 ·
Undergrad What Do Hamiltonians and Hamilton's Equations Tell Us About Dimensions?
- hivesaeed4
- · Replies 37 ·
Graduate How did cosmic strings form from the Big Bang?
- Physgeek123
- · Replies 1 ·
Graduate Causes of loss of interest in String program
- marcus
- · Replies 357 ·
Undergrad Can a dimension exist that is neither temporal nor spatial?
- Dremmer
- · Replies 3 ·
Graduate Question regarding possible extra time dimensions
- dknaack
- · Replies 1 ·
Graduate Boson Charges in E6 and E8 Algebras
- frogjg2003
- · Replies 10 ·
Graduate Does the Immirzi Parameter Determine Black Hole Entropy in Loop Quantum Gravity?
- Physics Monkey
- · Replies 60 ·
Graduate Is string theory just a new math?
- redrum419_7
- · Replies 6 ·
Graduate Loop Gravity as the Dynamics of Topological Defects
- marcus
- · Replies 3 ·
Graduate Line defects and String Theory
- Paulibus
- · Replies 2 ·
Graduate Carlo Rovelli on loop quantum gravity: recent results and open problems
- marcus
- · Replies 49 ·
Graduate Does Multiverse theory disprove Freewill?
- Korppi
- · Replies 6 ·
Undergrad Visualizing hyperspheres in higher dimensions
- Secret
- · Replies 13 ·
Graduate Why is there a difference between past and future?
- ndung200790
- · Replies 3 ·
Graduate What do we want to calculate with quantum gravity?
- Lapidus
- · Replies 6 ·
Undergrad Mathematics Topics in String Theory
- idrach55
- · Replies 4 ·
Graduate What is the impact of complex phases on neutrino oscillations?
- edpell
- · Replies 1 ·
Graduate Is string theory really science?
- kochanskij
- · Replies 34 ·
Graduate The scale of the action integral?
- pellman
- · Replies 2 ·
Graduate Applications of Topology in Physics
- Couchyam
- · Replies 1 ·
Graduate Expectation value of Normal ordered Stress-energy tensor
- LAHLH
- · Replies 2 ·
Graduate The easiest way to standard model
- welatiger
- · Replies 8 ·
Graduate When can the Lagrangian be used
- dsdsuster
- · Replies 2 ·
Graduate What is the definition of canonical transformation?
- zheng89120
- · Replies 1 ·
Graduate Role of extrinsic curvature K in LQG canonical variables
- zwicky
- · Replies 4 ·
Graduate What is Graviton-Graviton Scattering in Quantum Theory of Gravity?
- dpa
- · Replies 2 ·
Graduate Why all these prejudices against a constant? ( dark energy is a fake probem)
- marcus
- · Replies 123 ·
Graduate New papers on NCG and the standard model
- arivero
- · Replies 4 ·
Graduate GR or QM: which is more 'fundamental'?
- Aidyan
- · Replies 3 ·
Graduate The Hidden Symmetries of the BKL Limit: From Cosmology to Quantum Gravity
- atyy
- · Replies 2 ·
Graduate B-L extension of the Standard Model
- welatiger
- · Replies 1 ·
Undergrad Looking for the best books to increase my knowledge
- Jallen
- · Replies 2 ·
Graduate What Are Spin Networks and Spin Foams?
- dpa
- · Replies 19 ·
Graduate Meaning of area in the Nambu Goto string action
- clerk
- · Replies 2 ·
Graduate Gravity of elementary particles
- exponent137
- · Replies 8 ·
Undergrad Dimensional Analysis and the mathematical steps throughout a process.
- Olly_price
- · Replies 3 ·
Graduate Is the Number of Gods in a Universe Determined by Its Topology?
- strangerep
- · Replies 4 ·
Graduate Does ''Higgs sector'' mean there are many Higgs particle types?
- ndung200790
- · Replies 4 ·
Graduate Is Stable Equilibrium Possible Without Potential Energy Minima?
- matematikuvol
- · Replies 3 ·
Graduate A fascinating solution of the black-hole information problems?
- Demystifier
- · Replies 9 ·
Graduate Why do strings vibrate in string theory?
- ShayanJ
- · Replies 5 ·
Graduate Eugene Wigner's take on math's role in natural science
- absurdist
- · Replies 1 ·
Graduate Feynmans of geometry: computable trans. amps. by K+Le+P algorithm
- marcus
- · Replies 1 ·
Graduate Can a One Inch Equation Truly Explain Everything in Physics?
- Flustered
- · Replies 5 ·
Graduate If an electron is not a point particle how does current flow
- spycatcher
- · Replies 3 ·
Graduate Mathematical Definition of Energy
- azabak
- · Replies 3 ·
Graduate What is quantum theory about? From quanta to M-theory
- Demystifier
- · Replies 1 ·
Graduate Why do we assume unitary evolution?
- olliemath
- · Replies 25 ·