Beyond the Standard Models Forum

Undergrad Why can't n be negative in Laplace's equation?

Graduate Physical meaning of "exotic smoothness" in (and only in) 4D

Undergrad How did the theory of quantum gravity begin?

Graduate Does Gravity Criticism in Maxwell's Equations Apply to All Gravity-Medium Analogies?

Graduate Magnetic Monopole's (non)existence

Graduate "Particle Creation by Black Holes", S. Hawking

Undergrad Should the third term in equation (3.11.18) be multiplied by half?

High School Is mathematics incapable of describing physics in its entirety?

Undergrad About the meaning "on-shell" vs "off-shell" in Hamiltonian mechanics

Undergrad Is Gravity a Force or Curvature?

Undergrad What is fine tuning in physics/science?

Undergrad How did they reach this conclusion regarding the coefficients?

Graduate How many known Constructive QFTs are there?

Graduate Could the Gravitational Constant G have a quantum origin?

Undergrad Principle of minimum action and application to real problems

Undergrad Was Dyson Correct That Detecting A Single Graviton Theoretically Impossible?

Graduate The Emergence of Space-time in String Theory

Graduate Non commutator of symmetries giving rise to a gauge symmetry

Undergrad The evaporation of charged black holes

Graduate Six-preon model with colored triplet and SU(5) singlets

Undergrad Noether's Theorem for Translation in Field Theory

Graduate Various questions on Galilean group (boosts and spatial translations)

Undergrad Universal Gravity without Shell Theorem

Graduate String theory: gravitons for closed strings vs. open strings

Graduate How to intuitively think of translations and Galilean boosts commuting?

Graduate On the same origin of quantum physics and general relativity

Undergrad How can dimensions be both perpendicular and coiled up?

Undergrad Status of the X17 search with the MEG II apparatus

Undergrad Classical Field Theory - Something isn't clicking

Undergrad Unifying string theory and loop quantum gravity

High School Questions about Noether's theorem -- Conservation of Energy and Mass

Graduate Singularity structure being valid for all QFTs?

Undergrad Solve equation from dimensional analysis: 3 eq., 6 unknowns

High School Dimensional analysis peculiarity

Undergrad About the results of trying to build quantum gravity from gravito-EM

Undergrad Evaporating black holes and conservation of charges?

Undergrad Noether's theorem for point particles

Undergrad Can GR's weak field limit yield MOND from quasilocal energy-momentum coupling?

Undergrad Can there be quantum fluctuations without spacetime?

Undergrad What's the interpretation of the third term F(t)q?

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Undergrad Belle II Measurement Makes World Average Tau Mass Match Koide's Rule

Undergrad Jonathan Oppenheim, "A postquantum theory of classical gravity?"

Graduate New string formulae for Higgs mass and cosmological constant

Graduate A possible quantum field theory of tachyons?

Graduate Does the Maximum Lyapunov exponent depend on the eigenvalues?

Graduate Discussing the Sachdev–Ye–Kitaev Model

Undergrad Grand Unified Theory and proton decay

Undergrad Does the EM field arise from the Kalb-Ramond field?

Undergrad Experiments to check for extra dimensions

Graduate Why is matter-free gravity not ultraviolet finite?

High School Extending the Lagrangian of a double pendulum to more complex systems

Undergrad Does a Magnetic Monopole with Spin Create an Electric Dipole?

Graduate Classifying quarks and leptons using LCTs representation

Graduate Scalar scaffolds in Yang-Mills theory and the amplituhedron

Undergrad Conservation of energy in quantum gravity

Undergrad Lecture notes on SUSY using finite matrix as example?

Undergrad Finding Escape Velocity of mass (m) with electrostatic and gravitational influences

Undergrad Seifert -Solutions of Einstein's equations give flat galactic rotation curves

Graduate Kaluza Klein and non-abelian gauge transformation

Graduate Repeated measurements and granular space time

Graduate Quantum Groups as a Generalization of String Theory

Undergrad Supressing black hole evaporation?

Undergrad Neutrinos and theoretical necessity

Undergrad What's the physical meaning of Curl of Curl of a Vector Field?

Undergrad Double slit with particles so heavy that they curve spacetime

Graduate String theory and locality of small dimensions

High School New hypothesis of continuous wave function collapse

Undergrad Energy created out of nothing in Objective collapse theory?

Graduate Higgs inflation and quadratic gravity

Undergrad Why Green's functions satisfy chosen boundary conditions

Undergrad Expansion of 1/|x-x'| into Legendre Polynomials

Undergrad Should a testable quantum gravity theory reduce to GR and QM in limits?

Undergrad String theory vs Quantum field theory

Undergrad Lagrangian density of a linearly elastic string under gravity

High School What ever happened to Classical Unified Field Theory?

Undergrad Physics equations with the mathematical constant Phi?

Undergrad Expanding around 0 for multipole expansion

Undergrad What does "transforms covariantly" mean here?

High School What is the physical significance of mass-time-length equivalences in physics?

Undergrad Anomalous contribution to galactic rotation curves due to stochastic s