Beyond the Standard Models Forum

Graduate Multiple-scale analysis for 2D Hamiltonian?

Graduate Why is action defined as the integral of the Lagrangian?

Graduate Is Loop Quantum Gravity a Machian theory?

Graduate A new realization of quantum geometry

Graduate State-Observable Duality (John Baez series)

Graduate Does lack of rigour cause problems in Physics?

Graduate For myKK, in bounce models what drives prior contraction?

Graduate Tachyons: Properties, Predictions, Detection

Graduate Can the 5 brane of M theory turn into a 1 string?

Graduate Horava Lifshitz Gravity: Theory of Quantum Gravity or TOE? Viable Option?

Graduate What is the relationship between dynamical symmetry and Noether's theorem?

Graduate Finally, Garrett's model with 3 generations

Graduate In big bounce models, what drives the contracting phase?

Graduate What progress has been done on Hilbert's 6th problem?

Graduate Trapping horizons and quantum gravity outside black holes

Graduate How Do Techni-Baryons Transform in SU(N_{TF}) and SU(2)_{spin} Symmetries?

Graduate I've heard that mass loses energy, but how?

Graduate Finding Min. Potential Energy: Variation Calculus Method

Graduate Do All Automorphisms in Physics Imply Symmetries in Equations?

Graduate How are physical principles generalized from specific cases?

Graduate How to determine correct Lagrangian?

Graduate Something like category theory but for physics

• Poll

Graduate Our picks for second quarter 2015 MIP (most important QG paper)

Graduate Why is stress tensor (in this derivation) symmetric?

Graduate Bekenstein bound with information stored in infinite cubic grid

Graduate Would asymptomatic safe gravity grow weaker like QCD?

Graduate Mureika-Stojkovic and beyond m

Graduate R-parity and conservation of angular momentum

Graduate Is the closed string an unknot?

High School Can someone explain string theory?

Graduate SO(32) heterotic String theory

Graduate E8 theory according to the dark matter and energy

• Poll

Graduate How do you think of the Hubble rate?

Graduate Classical/QFT Vacuum Fluctuations

Graduate Does T-duality on a 2-torus invert one radius or both?

Insights Homotopy Lie-n Algebras in Supergravity - Comments

Graduate An interesting new paper on f(X) gravity

Graduate On a scale of 1 to String, how speculative is this?

Graduate Is orbifolding of the torus a sophisticated spherification?

Insights It Was 20 Years Ago Today -- the M-theory Conjecture - Comments

Graduate What would be the physics of a hypothetical gluon star?

Graduate Equivalence of inertial and gravitational mass

Graduate Curl of Gradient of a Scalar Field

Graduate Dimensional Analysis of Planck Length

Graduate PI video of new QG ideas from Eyo Ita, Chopin Soo, C-Y Chou

Graduate A First Course in String Theory/Invariant Interval/Metric

Undergrad Is Matter Really made of Matter?

Graduate Susskind on supersymmetry vs. cosmological constant?

Graduate Understanding 2D Tensors: Covariant, Contravariant, and Physical Components

Graduate In LQG, do objects attract via gravitons or curved spacetime

Graduate Lee Smolin's non-local beables and emergent quantum mechanics from gravity

Graduate Huygens synchronization of two clocks

Graduate Z-bosons as Hawking radiation from BH

Graduate How Does Multiverse Theory Make *Every* Universe Possible?

Graduate Scientific implications of latest LHC SUSY beauty quark

Graduate Is spacetime a massless spin 2 field?

Graduate Braids as a representation space of SU(5)

Graduate Why would I want to fix a gauge?

Graduate Physical significance of Eigenvalues and Eigenvector?

Graduate The Immirzi Parameter: Unravelling Gravity's Weakness in Vacuum LQG

Graduate Is there a good candidate Hamiltonian for loop QG?

Graduate Dark Matter effect in Lattice Space

Graduate Does quantized gravity mean quantized time?

Graduate Is Physics a Matter of Applying or Deriving Mathematics?

Graduate What are some common misconceptions about fields in physics?

Graduate String theory, string dimensions?

Graduate Understanding Unified Forces in the Early Universe

Graduate Lagrangian for Perfect Fluid Euler Equation

Undergrad How can strings be only one dimensional?

Graduate I need intuition for Lagrangians and action

Graduate What does the EM gauge freedom have to do with U(1)

Graduate Space-time travel in String Theory

Graduate Which of these books would you recommend for LQG?

Graduate Chaos (Non-Linear Dynamics) Driven Damped Pendulum

Graduate Lagrangian of two body problem with spin

Graduate Why can variation and derivative operators commute in the action principle?

Graduate Why is it necessary to have 11 dimensions in M Theory?

Undergrad Why does summing accelerations for each degree of freedom give the overall result?

Undergrad Why can magnets repel despite Earth's gravity?

Graduate What is the right theory of quantum gravity?

Graduate Information Preservation and Weather Forecasting for Black Holes

Graduate Differential Form - Notation Help

Graduate Quantum Relativity: Universe is "One" Thing?

Graduate AdS/CFT w/out Holography and SLOT - Fluctuation Work Theorem

Graduate What is the role of T-duality in understanding length scales in string theory?

Graduate Do Different Observers Agree on Entropy in the Unruh Effect?

Undergrad Moon Earth binar system by math

Graduate Relaxion: New idea for naturalness

Graduate LQG research directions and leaders at Loops 2015

Undergrad Lagrangian and Hamiltonian. What are these in layman terms?

Graduate What is the acceleration formula for particles in Loop Quantum Gravity?

Graduate Product rule for vector derivative

Graduate Color Kinematics Duality and Asymptotic Safety

Graduate Looking for an explanation/definition of a "causal diamond"

Graduate Bekenstein bound on cosmological scales

• Poll

Graduate Our picks for first quarter 2015 MIP (most important QG paper)

Graduate Einstein Equation of State vs Gravity from Entanglement

Graduate T hooft Cellular Automata Quantum Mechanics