Beyond the Standard Models Forum

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

High School Why haven't supersymmetric particles been found at the LHC?

  • wolram
  • · Replies 68 ·
3
Replies
68

Undergrad Can String Theory Explain the Energy Density of Empty Space?

  • Spinnor
  • · Replies 20 ·
Replies
20

Undergrad How Are Base Vectors Defined in Covariance and Contravariance?

  • Somali_Physicist
  • · Replies 4 ·
Replies
4

High School String theory, Calabi–Yau manifolds, complex dimensions

  • Spinnor
  • · Replies 25 ·
Replies
25

Graduate I want to know the exact problems of Merging GR and QM

  • VIctor Medvil
  • · Replies 6 ·
Replies
6

Graduate "UV completion of a theory of Superfluid Dark Matter"

  • mitchell porter
  • · Replies 10 ·
Replies
10

Graduate How does one "design" a PDE from a physical phenomenon?

  • SemM
  • · Replies 3 ·
Replies
3

Undergrad Muon g-2 as a constraint on new physics

  • ohwilleke
  • · Replies 18 ·
Replies
18

High School Decays affected by all new particles/fields?

  • star apple
  • · Replies 18 ·
Replies
18

Undergrad How Are Definite Integrals Related to the Principle of Least Action?

  • Ben Geoffrey
  • · Replies 4 ·
Replies
4

Undergrad Calabi-Yau manifold + ideal gas + point disturbance?

  • Spinnor
  • · Replies 3 ·
Replies
3

Undergrad Are Planck Units Merely a Pop-Science Fad?

  • Jezza
  • · Replies 2 ·
Replies
2

Undergrad Are sphalerons and superstrings just epicycles for modern physics?

  • swampwiz
  • · Replies 3 ·
Replies
3

High School Big bang and matter anti-matter inbalance

  • marce
  • · Replies 13 ·
Replies
13

Undergrad Do Fundamental Physical Constants Truly Remain Constant Over Time?

  • Serra Nova
  • · Replies 16 ·
Replies
16

Graduate Best way to learn string theory?

  • CosmicDream
  • · Replies 7 ·
Replies
7

Undergrad Does the weak gravity conjecture disprove loop quantum gravity?

  • kodama
  • · Replies 4 ·
Replies
4

High School Can the Holographic Principle make predictions

  • Michael27
  • · Replies 2 ·
Replies
2

Undergrad Can Majorana Neutrinos Oscillate Between Neutrino and Antineutrino States?

  • ohwilleke
  • · Replies 1 ·
Replies
1

Undergrad The ever-increasing proton lifetime

  • swampwiz
  • · Replies 35 ·
2
Replies
35

Undergrad Mirror fermions / mirror families. How does it work?

  • arivero
  • · Replies 1 ·
Replies
1

Undergrad Can electromagnetism arise from spacetime curvature like gravity does?

  • dreens
  • · Replies 11 ·
Replies
11

Graduate What is the current status of asymptotic safety?

  • the_pulp
  • · Replies 7 ·
Replies
7

Undergrad Does the Poisson Equation Have a Unique Solution with Mixed Boundary Conditions?

  • ajeet mishra
  • · Replies 3 ·
Replies
3

Undergrad Can Physics Laws Exist in Different Dimensions?

  • Arman777
  • · Replies 8 ·
Replies
8

Undergrad Can We Create Wormholes to Switch Between Universes?

  • Aarav Sangar
  • · Replies 4 ·
Replies
4

Graduate Application of Conformal Mapping in Physics

  • hoalacanhdk
  • · Replies 4 ·
Replies
4

Graduate About time to think about Time

  • junjunjun233
  • · Replies 3 ·
Replies
3

Undergrad Open string end points, their motion in spacetime

  • Spinnor
  • · Replies 3 ·
Replies
3

Undergrad Does gravity just emerge out of all the quantum fields?

  • bbbl67
  • · Replies 4 ·
Replies
4

Undergrad Check invariance under time-reversal?

  • FilipLand
  • · Replies 12 ·
Replies
12

Graduate Quantum Gravity: Renormalization vs. Effective Field Theory

  • TensorAndTensor
  • · Replies 9 ·
Replies
9

Undergrad Does time relate to the probability distribution of events?

  • jocarren
  • · Replies 11 ·
Replies
11

Undergrad Does the value of the action S have classical significance?

  • Kostik
  • · Replies 1 ·
Replies
1

Insights My Superparticle Bet with Frank Wilczek - Comments

  • garrett
  • · Replies 52 ·
2
Replies
52

Undergrad Anomaly aggregation and confirming old paper validity

  • ohwilleke
  • · Replies 1 ·
Replies
1

High School M Theory: What's the Consensus?

  • Jackson King
  • · Replies 2 ·
Replies
2

Undergrad Compositeness Limits -- Have We Reached Rock Bottom?

  • lpetrich
  • · Replies 4 ·
Replies
4

Undergrad New scientist SU(5) Unification without Proton Decay

  • kodama
  • · Replies 3 ·
Replies
3

High School Can energy change physical laws?

  • Suekdccia
  • · Replies 4 ·
Replies
4

Undergrad Differentials vs finite differences in Neumann potential derivation

  • faheemahmed6000
  • · Replies 5 ·
Replies
5

Undergrad Hamiltonian of a Physical Theory: Lagrangian vs Transformation

  • Narasoma
  • · Replies 3 ·
Replies
3

Graduate Ed Witten on Symmetry and Emergence

  • king vitamin
  • · Replies 57 ·
2
Replies
57

Undergrad What does Noether's theorem actually say?

  • parshyaa
  • · Replies 7 ·
Replies
7

Undergrad Finding Real and Imaginary Parts of the complex wave number

  • sams
  • · Replies 2 ·
Replies
2

Graduate String Vacua and Particle Interactions

  • asimov42
  • · Replies 32 ·
2
Replies
32

Graduate Are String Theory physicists violating the Scientific Method

  • kochanskij
  • · Replies 10 ·
Replies
10

Undergrad Inconsistencies in classical physics

  • jackferry
  • · Replies 3 ·
Replies
3

High School Postulates and pseudoscientific hypothesis difference?

  • Karagoz
  • · Replies 14 ·
Replies
14

Graduate Supersymmetry and the EM Force

  • HeavyWater
  • · Replies 5 ·
Replies
5

Graduate Hawking radiation: pair production?

  • haushofer
  • · Replies 7 ·
Replies
7

Undergrad Why there's No Unified Theory ?

  • Arman777
  • · Replies 3 ·
Replies
3

Undergrad What is the formal definition of a Universality Class?

  • AspiringResearcher
  • · Replies 1 ·
Replies
1

Undergrad Can complex spacetime solve the Higgs hierarchy problem?

  • kodama
  • · Replies 1 ·
Replies
1

Undergrad Can Infinitesimal Volumes Be Arbitrary Shapes?

  • themagiciant95
  • · Replies 5 ·
Replies
5

Graduate Does an interface necessarily satisfy the KPZ Equation?

  • AspiringResearcher
  • · Replies 1 ·
Replies
1

Graduate Max number of extra dimensions

  • MathematicalPhysicist
  • · Replies 25 ·
Replies
25

Undergrad What Are Higher Rank Tensors and When Should You Use Matrices in Physics?

  • vibhuav
  • · Replies 2 ·
Replies
2

Undergrad String theory on complex spacetime, twistor string

  • kodama
  • · Replies 3 ·
Replies
3

High School What are the predicted sizes of elementary particles?

  • Nathan Warford
  • · Replies 15 ·
Replies
15

Graduate What is Non-Abelian Z-theory and how does it relate to gluon amplitudes?

  • mitchell porter
  • · Replies 9 ·
Replies
9

High School How do neutrinos acquire mass if not through the Higgs mechanism?

  • star apple
  • · Replies 1 ·
Replies
1

Undergrad Dirac quantization of gravity e.g. GR in Ashtekar Variables

  • kodama
  • · Replies 1 ·
Replies
1

Undergrad Delta x in the derivation of Lagrange equation

  • jamalkoiyess
  • · Replies 2 ·
Replies
2

High School Unelegant, Unnatural, Ugly BSM theme books

  • star apple
  • · Replies 67 ·
3
Replies
67

Insights An Integral Result from Parseval's Theorem - Comments

  • Charles Link
  • · Replies 5 ·
Replies
5

Undergrad Is there a fine structure constant running anomaly?

  • ohwilleke
  • · Replies 2 ·
Replies
2

Undergrad If 11 dimensional supergravity were nonpertubative quantized

  • kodama
  • · Replies 16 ·
Replies
16

High School Is Planck scale the smallest observable unit or the smallest possible unit?

  • kyphysics
  • · Replies 1 ·
Replies
1

High School What's the relationship between drop height and induced emf?

  • FlyJanasic
  • · Replies 4 ·
Replies
4

Graduate Is There a Method to the Madness of Theoretical Physics?

  • Fascheue
  • · Replies 8 ·
Replies
8

High School M theory, holography, many worlds -- What we do know?

  • Joao
  • · Replies 2 ·
Replies
2

Undergrad Critical value of homoclinic bifurcation

  • LorenaGr
  • · Replies 1 ·
Replies
1

Undergrad How do I name a generalisation of the wave equation?

  • gnnmartin
  • · Replies 4 ·
Replies
4

Graduate How is chaos incorporated into quantum gravity and theories of everything?

  • MathematicalPhysicist
  • · Replies 12 ·
Replies
12

Graduate Can entropy and quantum mechanics explain time without a time dimension?

  • sanman
  • · Replies 23 ·
Replies
23

Graduate The Crisis in Theoretical Physics - Gian Francesco Giudice

  • Greg Bernhardt
  • · Replies 41 ·
2
Replies
41

High School Could Negative Mass Particles Really Repel Each Other?

  • Allen_Wolf
  • · Replies 4 ·
Replies
4

Undergrad Invariance of the laws of physics

  • Delta2
  • · Replies 9 ·
Replies
9

Undergrad Are spatial dimensions real or just human descriptions?

  • James 74
  • · Replies 1 ·
Replies
1

High School Is Backreaction in Curved Spacetime Sufficient Without Quantizing Spacetime?

  • star apple
  • · Replies 4 ·
Replies
4

Undergrad The unit dyadic.A general expression for?

  • rocdoc
  • · Replies 2 ·
Replies
2

Undergrad Does CP violation imply T violation and energy non-conservation?

  • Silviu
  • · Replies 2 ·
Replies
2

Graduate What phenomenological problems in the two-Higgs-doublet model are worth studying?

  • TarasZ
  • · Replies 4 ·
Replies
4

Graduate Open problems in mathematical physics

  • fresh_42
  • · Replies 23 ·
Replies
23

High School Relationship between anomalous factor and alpha

  • quiet
  • · Replies 4 ·
Replies
4

Undergrad Antoine Tilloy theory of gravity

  • kodama
  • · Replies 2 ·
Replies
2

Undergrad In string/m-theory and 3D/4D Controversy of time

  • kodama
  • · Replies 1 ·
Replies
1

Graduate Numerical solution of Hamiltonian systems

  • fabsilfab
  • · Replies 4 ·
Replies
4

Undergrad Particular configuration of a system and grand partition fn.

  • Pushoam
  • · Replies 3 ·
Replies
3

Graduate Is total Gravitational force quantifiable?

  • DannyShem
  • · Replies 2 ·
Replies
2

Undergrad Testing Quantum Gravity paper Bose Einstein helium superfluid

  • kodama
  • · Replies 8 ·
Replies
8

High School New Theory vs New Force/Field of nature

  • star apple
  • · Replies 22 ·
Replies
22

Graduate Gravitational anomalies in gauge theory

  • shiraz
  • · Replies 2 ·
Replies
2

High School Branes, gluons, time reversal, and string theory.

  • Spinnor
  • · Replies 6 ·
Replies
6

Undergrad How does gravitation fit into this picture of branes?

  • Spinnor
  • · Replies 4 ·
Replies
4

Undergrad Solve Exercise 2.4 in Supergravity by Freedman & Van Proeyen

  • Korybut
  • · Replies 3 ·
Replies
3

Graduate Boundary layer integral for flat plate velocity profile

  • fahraynk
  • · Replies 1 ·
Replies
1

High School Why does physics consider only 3 of 6 dimensions

  • Thuring
  • · Replies 15 ·
Replies
15

High School Questions about Quantum Gravity

  • Moayd Shagaf
  • · Replies 6 ·
Replies
6