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 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 ·
Graduate State-Observable Duality (John Baez series)
- MTd2
- · Replies 83 ·
Graduate Does lack of rigour cause problems in Physics?
- Albertrichardp
- · Replies 9 ·