Beyond the Standard Models Forum

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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.
Undergrad Is my explanation of negative mass's behaviour accurate?
  • Hawksteinman
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Graduate Space is "Entangled", says Leonard Susskind
  • friend
  • · Replies 24 ·
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Graduate Symplectic geometry of phase space
  • CrazyNeutrino
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Graduate Gravity & Quantum Mechanics: Susskind's Letter Explained
  • smodak
  • · Replies 25 ·
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High School Surface volume of 3-sphere with radius of 2 Planck length?
  • mitrasoumya
  • · Replies 4 ·
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Undergrad What are the fundamental principles of physics that apply universally?
  • Silviu
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Undergrad Other procedures to quantize Ashketer variables
  • kodama
  • · Replies 5 ·
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Undergrad Is Gravity Actually the Result of Quantum Collapses?
  • kodama
  • · Replies 2 ·
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Undergrad Can Muons or Tau Particles Be Explained by Kaluza-Klein Towers?
  • marce
  • · Replies 9 ·
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Undergrad Geometry of GR v. Spin-2 Massless Graviton Interpretation
  • ohwilleke
  • · Replies 2 ·
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Undergrad Is fine tuning maximized complexity?
  • friend
  • · Replies 8 ·
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High School Outdated vs. Essential: A List of Superceded Theories in Physics
  • fanieh
  • · Replies 5 ·
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Undergrad What if the mystery of unified theory is solved?
  • parshyaa
  • · Replies 5 ·
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High School Could a Warp Jet Revolutionize Space Travel by Compressing Space?
  • Ethan Deibert
  • · Replies 4 ·
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High School Why does "gravity" need to be unified?
  • thetexan
  • · Replies 26 ·
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Undergrad Derivation of Euler Lagrange's equations from D'alemberts principle
  • PrathameshR
  • · Replies 6 ·
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Undergrad Is suppressed gravitational pull a possible explanation for dark energy?
  • ohwilleke
  • · Replies 10 ·
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Undergrad Violation of lepton universality theories
  • kodama
  • · Replies 6 ·
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6
High School Time quantization in classical physics
  • hclatomic
  • · Replies 5 ·
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Undergrad Looking for literature re imperfect quantum gravity models
  • ohwilleke
  • · Replies 5 ·
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5
Graduate Is there a new loophole in the no-go theorem of supersymmetry?
  • Demystifier
  • · Replies 1 ·
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Graduate (Perturbative) quantum gravity made simple?
  • Demystifier
  • · Replies 1 ·
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High School Understanding Boson Stars as Potential Dark Matter Candidates
  • wolram
  • · Replies 5 ·
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Graduate String Theory and Einstein-Cartan Gravity
  • tom.stoer
  • · Replies 4 ·
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High School How Does the Higgs Boson Mass Impact Multiverse and Supersymmetry Theories?
  • alejandromeira
  • · Replies 3 ·
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Graduate Joseph Polchinski's physics autobiography
  • mitchell porter
  • · Replies 9 ·
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9
High School Can the Alcubierre Drive Overcome Quantum Mechanics Challenges?
  • huginn
  • · Replies 2 ·
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Undergrad Implications of validating loop quantum cosmology
  • kodama
  • · Replies 28 ·
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Undergrad Inflation "cooled Universe from 10^27 to 10^22 kelvins" why?
  • nikkkom
  • · Replies 3 ·
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High School Where does this equation for stationary points come from?
  • Alexander350
  • · Replies 1 ·
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High School No new fundamental particles at CERN until today
  • alejandromeira
  • · Replies 13 ·
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Undergrad Is the new 3.0 TeV bump at ATLAS a fluke?
  • ohwilleke
  • · Replies 13 ·
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Graduate A new hope for ST? Hold the thought of Jonathan J. Heckman
  • Fra
  • · Replies 2 ·
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Graduate Asymmetry parameter while relating proper time with distance
  • Damodar Rajbhandari
  • · Replies 3 ·
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Undergrad Different versions of Falkner-Skan equation
  • fahraynk
  • · Replies 3 ·
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High School What is the process for developing new physical laws?
  • Sho Kano
  • · Replies 12 ·
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High School Quantum vs. Classical Mechanics in Differential Element Analysis
  • Meet Gandhi
  • · Replies 3 ·
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Undergrad Are there new observables/operators in BSM?
  • cube137
  • · Replies 14 ·
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Graduate Weinberg: Quantum Mechanics Without State Vectors
  • marcus
  • · Replies 33 ·
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Undergrad Amplitudes of Fourier expansion of a vector as the generalized coordinates
  • RickRazor
  • · Replies 12 ·
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Undergrad Lagrangian method for an LC-Circuit
  • RickRazor
  • · Replies 2 ·
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Undergrad What is the General Form of a Wave Equation in a Medium?
  • Killtech
  • · Replies 14 ·
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Undergrad Overview of Horava Gravity for Laymen
  • windy miller
  • · Replies 4 ·
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Undergrad Testing string/m-theory extra dimensions prediction
  • kodama
  • · Replies 10 ·
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Undergrad Is this thesis a plausible explanation for muon weirdness?
  • ohwilleke
  • · Replies 2 ·
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Graduate Erebons: Planck mass Dark Matter particles
  • Auto-Didact
  • · Replies 6 ·
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Graduate Is the Plank length the same in every direction?
  • John Tatum
  • · Replies 2 ·
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Undergrad Micro Black Holes and Dark Matter as fuel for spaceship?
  • infinitebubble
  • · Replies 6 ·
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High School Einstein's Unified Field Theory - Details
  • mpolo
  • · Replies 3 ·
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Undergrad M-theory and loop quantization of higher dimensional SUGRA
  • kodama
  • · Replies 24 ·
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Graduate Question about derivatives of complex fields
  • Chronum
  • · Replies 2 ·
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Graduate Symmetry/Conservation Violated in Quantum Anomaly
  • sanman
  • · Replies 2 ·
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Undergrad Confusion in variation derivative
  • weezy
  • · Replies 1 ·
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Graduate Double field theory: Where is the extra space?
  • Demystifier
  • · Replies 19 ·
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Graduate What Happens to Information When a Star Becomes a Black Hole?
  • FallenApple
  • · Replies 2 ·
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High School What does the Hamiltonian depend on in a classical system?
  • mieral
  • · Replies 12 ·
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Graduate Jack Smith: A Life in Theoretical Physics
  • Vanadium 50
  • · Replies 1 ·
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Graduate Argument for Holographic Principle
  • FallenApple
  • · Replies 3 ·
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Undergrad Measurements at the Cosmological Horizon?
  • FallenApple
  • · Replies 1 ·
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Graduate Disoriented with unoriented and oriented open strings
  • arivero
  • · Replies 4 ·
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Graduate The failure to booststrap SU(3).
  • arivero
  • · Replies 2 ·
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Graduate Do you think this year's string conference solved anything
  • ftr
  • · Replies 15 ·
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Undergrad Quaternions vs. Einstein's four-vectors
  • Vectronix
  • · Replies 1 ·
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Graduate String perturbation equations from Polyakov action
  • Tursinbay
  • · Replies 1 ·
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Graduate Massive Bigravity: Unbelievable Harmlessness of a Ghost?
  • fhenryco
  • · Replies 2 ·
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Graduate Does Shaposhnikov & Wetterich 2009 have a hierarchy problem?
  • mitchell porter
  • · Replies 3 ·
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High School Trouble with Infinity: Understanding Density at a Point
  • ChrisisC
  • · Replies 9 ·
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Undergrad Physics: Science and Understanding or Tool of Prediction
  • ObjectivelyRational
  • · Replies 19 ·
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Graduate Massive spin-s representations of the Poincare group
  • pondzo
  • · Replies 3 ·
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Undergrad Why no higher derivative in physics?
  • Ksitov
  • · Replies 31 ·
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High School U-238 spacings and Zeta function zeroes?
  • houlahound
  • · Replies 6 ·
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Undergrad Is GR about fixed curved background or dynamical?
  • mieral
  • · Replies 65 ·
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High School Under LQG is it possible to have an area with just nothing?
  • Lunct
  • · Replies 4 ·
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Graduate LHC - absence of supersymmetric particles
  • Dennis Plews
  • · Replies 31 ·
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Graduate What are singular and double seesaw?
  • Riotto
  • · Replies 1 ·
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High School Can Amplituhedron and E8 Theories Be Unified in String Theory?
  • tionis
  • · Replies 2 ·
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High School Can the vacuum density produce only normal matter?
  • Dr Aaron
  • · Replies 8 ·
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High School How can anyone explain the universal equilibrium density problem
  • Dr Aaron
  • · Replies 8 ·
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Graduate Gravitational field due to an entity in spatial superposition
  • craigi
  • · Replies 2 ·
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Undergrad Calculus in the derivation of Euler-Lagrange equation
  • BearY
  • · Replies 2 ·
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Undergrad Kaluza–Klein metric, space between charged capacitor?
  • Spinnor
  • · Replies 1 ·
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Undergrad Help a novice with EL equation derivation
  • Alex Cros
  • · Replies 3 ·
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3
Graduate Theoretical physics -- where does spin 1/2 come in
  • Pearly
  • · Replies 1 ·
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Undergrad Derivation of the Laplacian in Spherical Coordinates
  • LyleJr
  • · Replies 3 ·
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Undergrad String theory and Lorentz invariance - 10D vs. 4D....
  • asimov42
  • · Replies 4 ·
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High School How to Apply Hermite Polynomial for Physics Problems
  • Alaguraja
  • · Replies 5 ·
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Undergrad Black holes and extra dimensions
  • AuntyMatter
  • · Replies 4 ·
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Undergrad Symmetry on the partition function
  • Mr rabbit
  • · Replies 2 ·
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Graduate Laplace Eq. in Cylindrical coordinates
  • chimay
  • · Replies 20 ·
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Graduate Interpretation of the Weinberg-Witten theorem
  • Afonso Campos
  • · Replies 12 ·
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Undergrad Could Two-Dimensional Physics Offer New Insights into Our Reality?
  • nuno
  • · Replies 8 ·
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High School Hypothetical ring world thought experiment
  • DaveC426913
  • · Replies 11 ·
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Undergrad Is the Holographic Principle the Key to Understanding Our Universe?
  • Buzz Bloom
  • · Replies 40 ·
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Undergrad What is the Abstract Definition of Energy?
  • Abstracted Universes
  • · Replies 64 ·
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Graduate Green function issue: can bound. cond. be applied mode-wise?
  • Twigg
  • · Replies 1 ·
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Graduate Lyapunov coefficient for function f(x) = 1/(1+x)
  • Sasho Andonov
  • · Replies 1 ·
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Graduate Shortest distance scales that a string can resolve
  • Afonso Campos
  • · Replies 2 ·
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Graduate The Polyakov Action & Weyl Transformations
  • Higgsono
  • · Replies 2 ·
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Undergrad Neutrino Mass, Baryogenesis, Dark Matter (Beyond the SM)
  • Trixie Mattel
  • · Replies 9 ·
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Undergrad Is it Impossible for Entanglement > FTL Communication?
  • tade
  • · Replies 10 ·
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