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 Ads/cft correspondence and quantum / classical correspondance
- Heidi
- · Replies 18 ·
Undergrad From Micro to Macro physics (Emergence)
- jake jot
- · Replies 1 ·
Graduate What is Field energy, what does it mean?
- tsuwal
- · Replies 1 ·
Graduate Abstract explosion modelling - how to?
- Krash
- · Replies 1 ·
Graduate A mathematical description of the physics behind Aurora?
- dykuma
- · Replies 3 ·
Graduate Different symmetries or no symmetries in string theory?
- Suekdccia
- · Replies 4 ·
Graduate What is the Best Resource for Learning String Theory as a Side Project?
- Bancrates
- · Replies 2 ·
Undergrad Discrete Euler-Lagrange equations
- JD_PM
- · Replies 3 ·
Graduate Claimed derivation of Weinberg angle, Higgs/W mass ratio
- mitchell porter
- · Replies 5 ·
Undergrad Linearization of Lagrange equations
- stefano77
- · Replies 5 ·
Graduate Can String Theory Finally Win a Nobel Prize?
- Demystifier
- · Replies 40 ·
Undergrad What is the meaning of non-Abelian in physics?
- KurtLudwig
- · Replies 13 ·
High School Question regarding 'beauty' in the theories that go beyond the standard model
- DarkMattrHole
- · Replies 2 ·
Graduate What would it mean if symmetries in physics would not be fundamental?
- Suekdccia
- · Replies 2 ·
Graduate What is gravity in the superfluid vacuum model of quantum gravity?
- Quantum23
- · Replies 4 ·
Undergrad Energy in the Hamiltonian formalism from phase space evolution
- Jaime_mc2
- · Replies 1 ·
Undergrad About fundamental constants and vacuum
- IamNobody
- · Replies 1 ·
Undergrad Relation between dynamical systems and Hilbert spaces
- thaiqi
- · Replies 8 ·
Undergrad Different invariant tori in the case of a 2D harmonic oscillator
- Lo Scrondo
- · Replies 2 ·
Graduate Symmetry of QED interaction Lagrangian
- joneall
- · Replies 5 ·
Graduate Metric Ansatz For Unifying All Forces In 11D?
- Geonaut
- · Replies 8 ·
Undergrad Does determinism exclude retrocausality?
- entropy1
- · Replies 47 ·
Graduate Are there alternatives to Calabi-Yau spaces in superstring theory?
- StenEdeback
- · Replies 21 ·
Undergrad Is There A Simple Dark Matter Solution Rooted In GR?
- ohwilleke
- · Replies 11 ·
Graduate On a formal viewpoint on the D’Alembert–Lagrange Principle
- wrobel
- · Replies 6 ·
Undergrad Can 3D Objects Exist in Higher Dimensions?
- LightningInAJar
- · Replies 7 ·
Graduate Sum over backgrounds in String Theory
- Iliody
- · Replies 4 ·
Undergrad What does it mean for a Lagrangian to have "explicit" time dependence?
- aliens123
- · Replies 3 ·
Undergrad What are the most important phenomena that the Standard Model can't explain?
- AndreasC
- · Replies 32 ·
Graduate What is your opinion of Linear Canonical Transformations?
- johnscitech
- · Replies 8 ·
High School Are elementary particles real if string theory is true?
- Jupiter60
- · Replies 12 ·
Undergrad Bootstrap model and different laws?
- Suekdccia
- · Replies 1 ·
High School Is information the 5th state of matter?
- allisrelative
- · Replies 18 ·
High School Beyond the Standard Model Explanations of GW190521
- sbrothy
- · Replies 5 ·
Graduate Search for literature on Quantum Gravity
- ChrisVer
- · Replies 17 ·
Undergrad Is energy a fundamental physical quantity or a derived one?
- Mayan Fung
- · Replies 9 ·
High School Are Galilean transformations identity transformations on event space?
- etotheipi
- · Replies 3 ·
Graduate The Wolfram Model and hypergraph-based fundamental physics
- Auto-Didact
- · Replies 42 ·
High School Randomness in electron position
- kolleamm
- · Replies 12 ·
Graduate Why do we extremize the Lagrangian in the Hamilton principle instead of energy?
- anbhadane
- · Replies 13 ·
Graduate How is physical Information "encoded"?
- kfjvj
- · Replies 3 ·
Undergrad Does a 2-dimensional world really exist?
- Lars1408
- · Replies 5 ·
Graduate A strange theory of everything: dust on [itex]\mathbb{R}^{0|18}[/itex]
- mitchell porter
- · Replies 4 ·
Undergrad Trouble for Loop Quantum Gravity?
- ohwilleke
- · Replies 3 ·
Graduate Seeking the Standard Model in E8 plus Supersymmetry
- mitchell porter
- · Replies 4 ·
Undergrad Evaluation of SMASH - most minimal extension of SM
- kodama
- · Replies 17 ·
Graduate Physical Motivation for Supersymmetry
- PGaccount
- · Replies 10 ·
Undergrad Variational operator in the least action principle
- Haorong Wu
- · Replies 4 ·
Undergrad Constraints on BSM from EDM measurements
- Malamala
- · Replies 3 ·
Graduate Equipartition theorem and Coupled harmonic oscillator system
- Karthiksrao
- · Replies 3 ·
High School Does massive gravity theory explain universe expansion?
- Pratyeka
- · Replies 7 ·
Undergrad Diagonalizing kinetic energy matrices with orthogonal transformations
- JD_PM
- · Replies 6 ·
High School Any proof of extra dimensions?
- Trollfaz
- · Replies 4 ·
Graduate Bubbles of nothing and spacetime instability from the 1982 proposal
- Trollfaz
- · Replies 7 ·
Undergrad Can someone explain to me a flop transition in laymen's terms?
- Trollfaz
- · Replies 6 ·
Undergrad Different kinds of infinity in physics?
- supernova1054
- · Replies 1 ·
Graduate Physics and mathematical hyperoperations above exponentiation
- Jenab2
- · Replies 1 ·
Undergrad Is Theoretical Physics Progressing Slower Than Experimental Physics?
- warhammer
- · Replies 4 ·
Graduate Questions about magnetic monopoles
- phoenix95
- · Replies 3 ·
Undergrad Leptons and the Lorentz Group O(3,3)
- Marty4691
- · Replies 8 ·
Graduate Stochastic string theory and recent developments
- MathematicalPhysicist
- · Replies 2 ·
Graduate Tautological 1-form in Lagrangian and Hamiltonian mechanics
- PGaccount
- · Replies 27 ·
Undergrad Why does nothing happen at the Planck mass?
- gerald V
- · Replies 4 ·
Undergrad Subquantum kinetics- anything to it?
- Garett Kutcher
- · Replies 5 ·
Undergrad How Did 1900s Physicists Misjudge the Completeness of Physics?
- MichPod
- · Replies 2 ·
Graduate Is physical reality more than the sum of its parts?
- Twodogs
- · Replies 6 ·
Undergrad Barrow black holes with fractal surface?
- sbrothy
- · Replies 5 ·
High School Do physical law equations represent quantities or dimensionless coefficients?
- etotheipi
- · Replies 7 ·
Undergrad What use is the AdS/CFT correspondence in a flat universe?
- nomadreid
- · Replies 13 ·
Graduate Degrees of freedom of thin rods
- hkyriazi
- · Replies 7 ·
Graduate Spectral domain double integral with singularities
- tworitdash
- · Replies 13 ·
Undergrad Do any physical theories use strictly upper triangular Lie groups?
- fresh_42
- · Replies 7 ·
Graduate First order formalism of Polyakov action
- phoenix95
- · Replies 4 ·
High School How can a dimension be "curled up" and have a finite extent?
- Cody Richeson
- · Replies 8 ·
Graduate Is the vacuum the low energy limit of quantum gravity?
- oquen
- · Replies 1 ·
Graduate Compactification of spatial extra dimensions
- DuckAmuck
- · Replies 1 ·
High School Showing that formulae are invariant for all values in the domain
- etotheipi
- · Replies 2 ·
Graduate Why does the Kähler Potential only contain left handed Weyl spinors?
- QFT1995
- · Replies 1 ·
Undergrad Invariance of the Poisson Bracket
- Luke Tan
- · Replies 8 ·
Undergrad Emergent space-time from what?
- nomadreid
- · Replies 32 ·
Graduate What is meant by the mass of a superfield?
- QFT1995
- · Replies 1 ·
Graduate Eric WEinstein's Geometric Unity theory
- mitchell porter
- · Replies 12 ·
Undergrad Does Galilean symmetry imply that all systems are monogenic?
- hgandh
- · Replies 6 ·
Undergrad Could gravitons be dimensionless?
- jcap
- · Replies 5 ·
High School Planck-like values out of permeability and permittivity
- roineust
- · Replies 8 ·
Undergrad Stern-Gerlach experiment with a classical object
- Killtech
- · Replies 2 ·
Undergrad Particles with positive inertial and negative gravitational mass
- tade
- · Replies 3 ·
High School Contributions to total energy in different areas of Physics
- etotheipi
- · Replies 6 ·
Undergrad Rare kaon decay and the jump to new physics explanations
- member 656954
- · Replies 1 ·
Graduate Operator commutativity in Mori projector Liouville operator identity
- Opus_723
- · Replies 1 ·
Graduate Loop-and-allied QG bibliography
- marcus
- · Replies 3K ·
Graduate Calculating Functional Derivatives: -1≤xₒ≤1 vs -1<xₒ<1
- PBTR3
- · Replies 1 ·
High School Key differential equation topics for physics theories
- kent davidge
- · Replies 2 ·
Undergrad Wigner's Theorem That All Fields Must Be Tensors
- bhobba
- · Replies 1 ·
Undergrad Is There a Mistake in This CLQG Thesis?
- julian
- · Replies 3 ·
Graduate Can Cosmic Inflation and String Theory change fundamental laws?
- Suekdccia
- · Replies 4 ·
Undergrad Liouville equation for exact delta-function distribution
- dRic2
- · Replies 5 ·
Graduate Equation 5.45 in Elvang and Huang scattering amplitudes
- nrqed
- · Replies 5 ·
Graduate M theory dimension change and large N_c, are they related?
- arivero
- · Replies 3 ·
Undergrad Meagre cows and future searches
- arivero
- · Replies 4 ·