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.
Graduate I want to know the exact problems of Merging GR and QM
  • VIctor Medvil
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Graduate "UV completion of a theory of Superfluid Dark Matter"
  • mitchell porter
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Graduate How does one "design" a PDE from a physical phenomenon?
  • SemM
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Undergrad Muon g-2 as a constraint on new physics
  • ohwilleke
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High School Decays affected by all new particles/fields?
  • star apple
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Undergrad How Are Definite Integrals Related to the Principle of Least Action?
  • Ben Geoffrey
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Undergrad Calabi-Yau manifold + ideal gas + point disturbance?
  • Spinnor
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Undergrad Are Planck Units Merely a Pop-Science Fad?
  • Jezza
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Undergrad Are the sphaleron & superstring just the epicycles of our era?
  • swampwiz
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High School Big bang and matter anti-matter inbalance
  • marce
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Undergrad Do Fundamental Physical Constants Truly Remain Constant Over Time?
  • Serra Nova
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Graduate Best way to learn string theory?
  • CosmicDream
  • · Replies 7 ·
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Undergrad Weak gravity conjecture and strings vs loops
  • kodama
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High School Can the Holographic Principle make predictions
  • Michael27
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Undergrad Can Majorana Neutrinos Oscillate Between Neutrino and Antineutrino States?
  • ohwilleke
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Undergrad The ever-increasing proton lifetime
  • swampwiz
  • · Replies 35 ·
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Undergrad Mirror fermions / mirror families. How does it work?
  • arivero
  • · Replies 1 ·
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Undergrad Can the Electromagnetic Force be Explained by Curving Spacetime?
  • dreens
  • · Replies 11 ·
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Graduate What is the current status of asymptotic safety?
  • the_pulp
  • · Replies 7 ·
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Undergrad Does the Poisson Equation Have a Unique Solution with Mixed Boundary Conditions?
  • ajeet mishra
  • · Replies 3 ·
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Undergrad Can Physics Laws Exist in Different Dimensions?
  • Arman777
  • · Replies 8 ·
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8
Undergrad Can We Create Wormholes to Switch Between Universes?
  • Aarav Sangar
  • · Replies 4 ·
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Graduate Application of Conformal Mapping in Physics
  • hoalacanhdk
  • · Replies 4 ·
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Graduate About time to think about Time
  • junjunjun233
  • · Replies 3 ·
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Undergrad Open string end points, their motion in spacetime
  • Spinnor
  • · Replies 3 ·
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Undergrad Does gravity just emerge out of all the quantum fields?
  • bbbl67
  • · Replies 4 ·
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Undergrad Check invariance under time-reversal?
  • FilipLand
  • · Replies 12 ·
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Graduate Quantum Gravity: Renormalization vs. Effective Field Theory
  • TensorAndTensor
  • · Replies 9 ·
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Undergrad Probability & Time: Is There a Connection?
  • jocarren
  • · Replies 11 ·
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Undergrad Does the value of the action S have classical significance?
  • Kostik
  • · Replies 1 ·
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Insights My Superparticle Bet with Frank Wilczek - Comments
  • garrett
  • · Replies 52 ·
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Undergrad Anomaly aggregation and confirming old paper validity
  • ohwilleke
  • · Replies 1 ·
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High School M Theory: What's the Consensus?
  • Jackson King
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Undergrad Compositeness Limits -- Have We Reached Rock Bottom?
  • lpetrich
  • · Replies 4 ·
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Undergrad New scientist SU(5) Unification without Proton Decay
  • kodama
  • · Replies 3 ·
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High School Can energy change physical laws?
  • Suekdccia
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Undergrad Please suggest whether I should use delta or dx method.
  • faheemahmed6000
  • · Replies 5 ·
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Undergrad Hamiltonian of a Physical Theory: Lagrangian vs Transformation
  • Narasoma
  • · Replies 3 ·
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Graduate Ed Witten on Symmetry and Emergence
  • king vitamin
  • · Replies 57 ·
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Undergrad What does Noether's theorem actually say?
  • parshyaa
  • · Replies 7 ·
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Undergrad Finding Real and Imaginary Parts of the complex wave number
  • sams
  • · Replies 2 ·
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Graduate String Vacua and Particle Interactions
  • asimov42
  • · Replies 32 ·
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Graduate Are String Theory physicists violating the Scientific Method
  • kochanskij
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Undergrad Inconsistencies in classical physics
  • jackferry
  • · Replies 3 ·
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High School Postulates and pseudoscientific hypothesis difference?
  • Karagoz
  • · Replies 14 ·
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Graduate Supersymmetry and the EM Force
  • HeavyWater
  • · Replies 5 ·
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Graduate Hawking radiation: pair production?
  • haushofer
  • · Replies 7 ·
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Undergrad Why there's No Unified Theory ?
  • Arman777
  • · Replies 3 ·
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Undergrad What is the formal definition of a Universality Class?
  • AspiringResearcher
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Undergrad Can complex spacetime solve the Higgs hierarchy problem?
  • kodama
  • · Replies 1 ·
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Undergrad Can Infinitesimal Volumes Be Arbitrary Shapes?
  • themagiciant95
  • · Replies 5 ·
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Graduate Does an interface necessarily satisfy the KPZ Equation?
  • AspiringResearcher
  • · Replies 1 ·
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Graduate Max number of extra dimensions
  • MathematicalPhysicist
  • · Replies 25 ·
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Undergrad What Are Higher Rank Tensors and When Should You Use Matrices in Physics?
  • vibhuav
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Undergrad String theory on complex spacetime, twistor string
  • kodama
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High School What are the predicted sizes of elementary particles?
  • Nathan Warford
  • · Replies 15 ·
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Graduate What is Non-Abelian Z-theory and how does it relate to gluon amplitudes?
  • mitchell porter
  • · Replies 9 ·
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High School Could Neutrinos Challenge Our Understanding of Physics?
  • star apple
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Undergrad Dirac quantization of gravity e.g. GR in Ashtekar Variables
  • kodama
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Undergrad Delta x in the derivation of Lagrange equation
  • jamalkoiyess
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High School Unelegant, Unnatural, Ugly BSM theme books
  • star apple
  • · Replies 67 ·
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Insights An Integral Result from Parseval's Theorem - Comments
  • Charles Link
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Undergrad Is there a fine structure constant running anomaly?
  • ohwilleke
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Undergrad If 11 dimensional supergravity were nonpertubative quantized
  • kodama
  • · Replies 16 ·
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High School Question About Planck Scale Unit
  • kyphysics
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High School What's the relationship between drop height and induced emf?
  • FlyJanasic
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Graduate Is There a Method to the Madness of Theoretical Physics?
  • Fascheue
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High School M theory, holography, many worlds -- What we do know?
  • Joao
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Undergrad Critical value of homoclinic bifurcation
  • LorenaGr
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Undergrad How do I name a generalisation of the wave equation?
  • gnnmartin
  • · Replies 4 ·
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Graduate Chaos, quantum gravity, theory of everything....
  • MathematicalPhysicist
  • · Replies 12 ·
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Graduate Is an Atemporal Universe the Key to Understanding Entropy and Time?
  • sanman
  • · Replies 23 ·
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Graduate The Crisis in Theoretical Physics - Gian Francesco Giudice
  • Greg Bernhardt
  • · Replies 41 ·
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High School Could Negative Mass Particles Really Repel Each Other?
  • Allen_Wolf
  • · Replies 4 ·
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Undergrad Invariance of the laws of physics
  • Delta2
  • · Replies 9 ·
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Undergrad Are Dimensions Real? | Questioning Space Dimensions
  • James 74
  • · Replies 1 ·
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High School Is Backreaction in Curved Spacetime Sufficient Without Quantizing Spacetime?
  • star apple
  • · Replies 4 ·
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Undergrad The unit dyadic.A general expression for?
  • rocdoc
  • · Replies 2 ·
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Undergrad CPT Violation and Energy Conservation: Explained!
  • Silviu
  • · Replies 2 ·
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Graduate What Are the Key Unresolved Issues in the Two-Higgs-Doublet Model?
  • TarasZ
  • · Replies 4 ·
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Graduate Open problems in mathematical physics
  • fresh_42
  • · Replies 23 ·
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High School Relationship between anomalous factor and alpha
  • quiet
  • · Replies 4 ·
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Undergrad Antoine Tilloy theory of gravity
  • kodama
  • · Replies 2 ·
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Undergrad In string/m-theory and 3D/4D Controversy of time
  • kodama
  • · Replies 1 ·
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Graduate Numerical solution of Hamiltonian systems
  • fabsilfab
  • · Replies 4 ·
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Undergrad Particular configuration of a system and grand partition fn.
  • Pushoam
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Graduate Is total Gravitational force quantifiable?
  • DannyShem
  • · Replies 2 ·
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Undergrad Testing Quantum Gravity paper Bose Einstein helium superfluid
  • kodama
  • · Replies 8 ·
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High School New Theory vs New Force/Field of nature
  • star apple
  • · Replies 22 ·
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Graduate Gravitational anomalies in gauge theory
  • shiraz
  • · Replies 2 ·
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High School Branes, gluons, time reversal, and string theory.
  • Spinnor
  • · Replies 6 ·
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Undergrad How does gravitation fit into this picture of branes?
  • Spinnor
  • · Replies 4 ·
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Undergrad Solve Exercise 2.4 in Supergravity by Freedman & Van Proeyen
  • Korybut
  • · Replies 3 ·
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Graduate Please verify integral and approximation, boundary theory
  • fahraynk
  • · Replies 1 ·
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High School Why does physics consider only 3 of 6 dimensions
  • Thuring
  • · Replies 15 ·
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High School Questions about Quantum Gravity
  • Moayd Shagaf
  • · Replies 6 ·
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High School Planck Length and Lorentz Contraction
  • Moayd Shagaf
  • · Replies 8 ·
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Undergrad Electric and Color charge in String Theory
  • Spinnor
  • · Replies 8 ·
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Undergrad Triggers and Litmus Tests For BSM Physics Papers
  • ohwilleke
  • · Replies 1 ·
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Undergrad Advancing LQG: Challenges and Possibilities for Experimental Proof
  • Moayd Shagaf
  • · Replies 2 ·
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