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 Is Space-Time Non-Commutative? Understanding Non-Commutative Geometry in Physics
- black hole 123
- · Replies 1 ·
Graduate The relation between Lie algebra and conservative quantities
- EnigmaticField
- · Replies 14 ·
Graduate Asymptotic Safety Scenario in QG vs LQG
- kodama
- · Replies 4 ·
Graduate If Sterile neutrino and axions exist, is that standard model
- kodama
- · Replies 11 ·
Graduate Difficulty understanding vector transformation law
- nabeel17
- · Replies 1 ·
Graduate Why are supersymmetry generators restricted to powers of 2?
- nrqed
- · Replies 13 ·
Graduate What Are the Implications of Domain Wall Problems in L=kρσ Interactions?
- DuckAmuck
- · Replies 1 ·
Graduate Why is the Lagrangian Formulated as L = T - V?
- observer1
- · Replies 10 ·
Graduate Complex numbers sometimes *Required* in Classical Physics?
- LarryS
- · Replies 21 ·
Graduate Towards self dual Loop Quantum Gravity Jibril Ben Achour
- kodama
- · Replies 4 ·
Graduate Does Past Exist? Conway's Game of Life & Time Travel
- DuckAmuck
- · Replies 4 ·
Graduate Spacelike additional time dimensions
- MacRudi
- · Replies 1 ·
Graduate Derivative of lagrangian density
- kawillzocken
- · Replies 5 ·
Graduate String theory and fundamental physical constants
- ftr
- · Replies 8 ·
Graduate Proving Euler Lagrange equations
- Frank Einstein
- · Replies 2 ·
Graduate Example of Susy QM and its partition function
- nrqed
- · Replies 9 ·
Graduate Can supersymmetry be considered a falsifiable prediction?
- Smattering
- · Replies 20 ·
Graduate GUT symmetry breaking temperature and timescale predictions by model
- Buzz Bloom
- · Replies 4 ·
Graduate Recommended books/papers in SUSY
- atboria
- · Replies 10 ·
Graduate What would walking the Klein Bottle look like to a 3D being?
- AtlasSniperma
- · Replies 8 ·
Graduate Are All Gauge Groups in the Standard Model Semisimple for a Physical Reason?
- fresh_42
- · Replies 2 ·
Graduate Are Physical Theories Dependent on the Extended Riemann Hypothesis?
- fresh_42
- · Replies 3 ·
Graduate Our world as a typical F-theory vacuum?
- mitchell porter
- · Replies 2 ·
Undergrad The Role of Theories, Models, and Laws in the Scientific Process
- Frasch
- · Replies 12 ·
Undergrad Could a Pulling Airplane Propeller Be More Effective Than a Pushing One?
- EnigmaStigma
- · Replies 19 ·
Graduate How does science explain gravity if we don't know why mass attracts mass?
- Alexander*GR*
- · Replies 1 ·
Graduate What is your guys view on Sylvester James Gates
- Phypro
- · Replies 6 ·
Undergrad Do Gödel's incompleteness theorems rule out a theory of everything?
- greswd
- · Replies 9 ·
Graduate Are all physical quantities an equivalence relation?
- Happiness
- · Replies 1 ·
Graduate How do physicists approach dimensions higher than 3rd?
- ElDiplodocus
- · Replies 4 ·
Graduate Is there any mathematics to describe neutrinos with mass?
- MacRudi
- · Replies 7 ·
Graduate New methods to find magnetic monopoles?
- greswd
- · Replies 17 ·
Graduate Noether's theorem -- Time inversion
- LagrangeEuler
- · Replies 5 ·
Graduate How do scalars determine the geometry of a manifold?
- Emilie.Jung
- · Replies 15 ·
Graduate Grassmann Integral into Lagrange for scalar superfields
- MacRudi
- · Replies 5 ·
Graduate What are P-branes and D-branes in string theory?
- potato123
- · Replies 1 ·
Graduate Opinions on whether light can be mass
- Dephenistrator2
- · Replies 3 ·
Graduate What would Einstein think of string theory?
- jeffery_winkle
- · Replies 2 ·
Graduate How did S-Matrix theory affect the birth of String Theory?
- Ted Baas
- · Replies 2 ·
Graduate What, really, is the Variational technique?
- ognik
- · Replies 2 ·
Graduate What is a vector multiplet in N=2 supergravity?
- Emilie.Jung
- · Replies 21 ·
Graduate Have Any Conjectures in the Random Matrix Model Been Proven or Disproven?
- MathematicalPhysicist
- · Replies 2 ·
High School Do curves, circles and spheres really exist?
- Cody Richeson
- · Replies 15 ·
Graduate The spin of an entity, an additional (4th/5th) dimension?
- Matth.ew
- · Replies 4 ·
Graduate Can Lattice Formulations Accommodate Modern Quantum Field Theories?
- Gvido_Anselmi
- · Replies 4 ·
Graduate Is a Fundamental 27D Theory Emerging from Recent Research Papers?
- jeffery_winkle
- · Replies 2 ·
Graduate It is possible from the general relativity reach a ToE?
- Cosmology2015
- · Replies 13 ·
Graduate Why a bosonic background in SUGRA?
- Emilie.Jung
- · Replies 6 ·
Graduate Supertrace Sum Rule and Fermi Constant in Electroweak Standard Model
- mitchell porter
- · Replies 4 ·
Graduate Can extra dimensions be large instead of curled up tiny?
- Paul Muad'Dib
- · Replies 18 ·
Graduate Is it possible that strings are higher dimensional branes?
- Nav
- · Replies 12 ·
Graduate Does the entropy bound analogy with data storage explain holography correctly?
- ShayanJ
- · Replies 4 ·
Graduate Gauge invariance and why massless vector bosons lack timelike polarization
- kimcj
- · Replies 5 ·
Graduate What is the current status of susy and string theory?
- potato123
- · Replies 10 ·
Graduate How does mathematics support the holographic principle?
- thinkandmull
- · Replies 2 ·
Graduate How do we define the surroundings with the universe as a system?
- amaruq
- · Replies 1 ·
Graduate Closed Analytic Form of exp(ξG): Solved!
- hemza
- · Replies 1 ·
Undergrad Dimensionally impossible equation
- Granger
- · Replies 5 ·
Graduate Does time translational symmetry imply H'=0 or E'=0?
- davidbenari
- · Replies 4 ·
Graduate Physical meaning of field components in "angle" directions
- TubbaBlubba
- · Replies 2 ·
Graduate Landmark paper by Smolin pulls together recent QG research
- marcus
- · Replies 13 ·
Graduate Gravity around a near maximal black hole
- dendros
- · Replies 3 ·
Graduate Equation linking superstring vibration with mass?
- R. E. Nettleton
- · Replies 1 ·
Graduate Eduard Prugovecki's Quantum General Relativity
- MathematicalPhysicist
- · Replies 1 ·
Graduate Homotopy groups of CP^{N-1} in sigma model theory
- PRB147
- · Replies 2 ·
Graduate Could photons be 2D objects in String Theory?
- blah19
- · Replies 3 ·
Graduate Is Higgs Inflation Still Viable After Moriond and Planck Data?
- mitchell porter
- · Replies 35 ·
Graduate Removing Static Black Hole Singularity without QM (paper)
- MTd2
- · Replies 2 ·
Graduate Spacetime scaling invariance and quantum gravity
- kodama
- · Replies 7 ·
Graduate Optomechanical test of the Schrödinger-Newton equation
- marcus
- · Replies 2 ·
Graduate How does quantum gravity work without the mathematics?
- TimeRip496
- · Replies 5 ·
Graduate Why is Baryon and Lepton Number Conservation Important in Theoretical Physics?
- BiGyElLoWhAt
- · Replies 17 ·
Graduate Could firewalls be real and black holes a chimera? (Hewitt)
- marcus
- · Replies 4 ·
Graduate Holographic and trapped surfaces
- MTd2
- · Replies 5 ·
Graduate Do Black Holes End up as Quark Stars? and quantum gravity
- kodama
- · Replies 57 ·
Graduate Do primordial black holes exist and lead to quantum gravity?
- wolram
- · Replies 1 ·
Graduate Is a Universe Without a Multiverse Even Possible?
- - Q -
- · Replies 1 ·
Graduate BMS symmetries and black hole horizons
- Physics Monkey
- · Replies 4 ·
Graduate Do Scientists Believe in Tachyons?
- ScientificMind
- · Replies 52 ·
Graduate New developments in QFT beyond the SM
- Gvido_Anselmi
- · Replies 2 ·
Graduate Order or Grassmann, vector fields and tensors
- marir
- · Replies 5 ·
Graduate Renormalization in Background Independent Theories
- marcus
- · Replies 1 ·
Graduate What is the new Hamiltonian constraint operator for loop quantum gravity?
- palmer eldtrich
- · Replies 1 ·
Graduate Does non-Euclidean physics mean there are no straight lines?
- thinkandmull
- · Replies 4 ·
Graduate D=11 supergravity equations of motion
- JorisL
- · Replies 2 ·
Graduate The implications of no gravtational waves on QG, strings, gr
- kodama
- · Replies 5 ·
Graduate What *precisely* makes cause and effect asymmetric?
- Whitefire
- · Replies 8 ·
Graduate Cherenkov radiation emitted from dark matter
- Garlic
- · Replies 1 ·
Graduate How does M theory describe fermions?
- Nav
- · Replies 1 ·
Graduate Composite Gauge Bosons: Supersymmetric SU(4) Example
- mitchell porter
- · Replies 2 ·
Graduate Second law of thermodynamics and the macroscopic world
- kodama
- · Replies 17 ·
Undergrad Interesting solutions to classic physics problems
- Totally
- · Replies 4 ·
Graduate Relation of Noether's theorem and group theory
- davidbenari
- · Replies 3 ·
Graduate Why are steps not visible in the continuum limit of the Frenkel Kontorova model?
- LagrangeEuler
- · Replies 2 ·
Graduate Why don't back holes decrease in mass as you add things?
- Psip
- · Replies 3 ·
Graduate Gauge/Gravity duality and evidence for superstring theory
- ShayanJ
- · Replies 2 ·
Graduate Multiple-scale analysis for 2D Hamiltonian?
- Random137
- · Replies 45 ·
Graduate Why is action defined as the integral of the Lagrangian?
- amjad-sh
- · Replies 7 ·
Graduate Is Loop Quantum Gravity a Machian theory?
- quickAndLucky
- · Replies 7 ·
Graduate A new realization of quantum geometry
- marcus
- · Replies 8 ·