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

Graduate Mathematics needed for string theory

  • Nemanja989
  • · Replies 13 ·
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13

Graduate Asymptotic safety on the lattice

  • atyy
  • · Replies 1 ·
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1

Undergrad Equation for Time: Can Gravity Affect It?

  • Bravodhan
  • · Replies 2 ·
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2

Graduate Exploring Proton Decay and HyperKamiokande Experiments

  • murray92
  • · Replies 6 ·
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6

Graduate What is the Unified Theory of Chaos?

  • wolfpax50
  • · Replies 9 ·
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9

Graduate Inverse square & cube laws for various geometries

  • fleem
  • · Replies 2 ·
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2

Graduate What is the justification for the variation of the Lagrangian in an action?

  • Identity
  • · Replies 2 ·
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2

Graduate Notation for Vectors in Different Bases

  • Philip Wood
  • · Replies 6 ·
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6

Graduate The end of String Theory and Loop Quantum Gravity ?

  • czes
  • · Replies 11 ·
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11

Graduate Static gauge for strings in curved background

  • haushofer
  • · Replies 3 ·
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3

Graduate Goldstone bosons in Models with global symmetry, broken by Orbifolding

  • timb00
  • · Replies 4 ·
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4

Graduate Work of Diana Kaminski (series on algebras of quantum variables)

  • marcus
  • · Replies 4 ·
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Graduate The Immirzi limit-1108.0832, 1105.0216, 1107.1320

  • marcus
  • · Replies 5 ·
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Graduate Can electromagnetism explain gravity?

  • PaoloG
  • · Replies 19 ·
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19

Graduate Solve Supersymmetry n=8: Degrees of Freedom for Supergravity

  • cuerdero
  • · Replies 1 ·
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Graduate Nother's theorem for a static E field

  • jason12345
  • · Replies 9 ·
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9

Graduate The physical meaning of a symmetry

  • Planck const
  • · Replies 2 ·
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2

Graduate Is Black Hole Complementarity the Key to Understanding Quantum Mechanics?

  • Finbar
  • · Replies 9 ·
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9

Graduate What is the potential impact of Cristoph Schiller's strand-model in physics?

  • karlgoran
  • · Replies 6 ·
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6

Graduate How to go from the configuration space to the phase space?

  • aries0152
  • · Replies 1 ·
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1

Graduate Particle definition in arbitrary spacetimes

  • femtofranco
  • · Replies 3 ·
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3

Graduate A PF Challenge to all you PF'ers

  • bobloblaw
  • · Replies 5 ·
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5

Graduate Lie derivatives of Quantum Fields

  • TomCurious
  • · Replies 8 ·
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8

Graduate A critical look at strings - Carlo Rovelli

  • tom.stoer
  • · Replies 44 ·
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44

Graduate Loop variables for string theory

  • mitchell porter
  • · Replies 2 ·
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2

Graduate Is Quantum Tunneling a Source of Hawking Radiation?

  • Schreiberdk
  • · Replies 6 ·
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6

Graduate Existence of LQG: Investigating Limits of Spin Foam Models

  • atyy
  • · Replies 20 ·
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20

Graduate Freidel talk on proposed new physical principle (relative locality)

  • marcus
  • · Replies 49 ·
2
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Graduate Constructing a hamiltonian for a harmonic oscillator

  • woodssnoop
  • · Replies 4 ·
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4

Graduate Holographic projections onto the surface of a sphere

  • geordief
  • · Replies 8 ·
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8

Graduate Are Gravitons Always in a Definite Spin State?

  • cragar
  • · Replies 4 ·
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4

Graduate Is it possible for the arrow of time to be observed in reverse?

  • Octonion
  • · Replies 7 ·
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7

Graduate Loop quantum cosmology status report

  • wolram
  • · Replies 2 ·
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2

Graduate What is REALLY the value of the Plank energy?

  • MTd2
  • · Replies 16 ·
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16

Graduate Gravity question, very small distances

  • alexanderkb
  • · Replies 5 ·
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5

Graduate Clifford vector valued 1-form and gravity

  • Octonion
  • · Replies 1 ·
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Graduate How Does Substituting Functions into a Lagrangian Affect Equations of Motion?

  • Petr Mugver
  • · Replies 4 ·
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4

Undergrad If a soda can could contain a vacuum, could it float?

  • AVReidy
  • · Replies 16 ·
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16

Graduate Understanding the SU(5) Model: Deriving Equations and Solving Mysteries

  • qaok
  • · Replies 1 ·
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1

Graduate (A)dS/LQG from Vasiliev gravity

  • mitchell porter
  • · Replies 18 ·
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18

Graduate Do any of you have a phd in string theory/QED/Theoretical particle physics?

  • Tensor_law
  • · Replies 5 ·
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Graduate Distance not defined in phase spaces?

  • wdlang
  • · Replies 2 ·
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2

Graduate Is my theoretical research testable by experiment?

  • dmriser
  • · Replies 3 ·
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3

Undergrad Allowable Coordinate Transformations?

  • mmmboh
  • · Replies 10 ·
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10

Graduate Lagrangians: the obvious questions

  • Rasalhague
  • · Replies 23 ·
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23

Graduate Where Can I Find Parts IV and V of Momentum Maps and Classical Fields Series?

  • MathematicalPhysicist
  • · Replies 4 ·
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4

Graduate Understanding the M-Theory Equation: Wavefunction and Constant Explained

  • dimension10
  • · Replies 6 ·
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6

Graduate Problem of time: No-time theories?

  • Schreiberdk
  • · Replies 14 ·
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14

Graduate Both continuous and discrete in the same space at the same time (Kempf)

  • marcus
  • · Replies 10 ·
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Graduate BFL Ward's Resummed QG: Renormalizable Theory & Cosmological Constant

  • erkokite
  • · Replies 4 ·
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4

Graduate Showing that the euler lagrange equations are coordinate independent

  • demonelite123
  • · Replies 2 ·
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2

Graduate Quantum Gravity Programme Essentially Complete

  • Energex42
  • · Replies 20 ·
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20

Graduate What is the concept of gauge theory?

  • zheng89120
  • · Replies 1 ·
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1

Graduate Spin of a p-Form: 1 or Higher?

  • Demystifier
  • · Replies 17 ·
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17

Graduate What is the critical value of the Immirzi parameter in loop quantum gravity?

  • marcus
  • · Replies 4 ·
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4

Graduate I would like to have a glimpse of understanding of grand unificaction

  • Lapidus
  • · Replies 22 ·
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22

Graduate Is Gravity Really a Fundamental Force?

  • Searching
  • · Replies 88 ·
3
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88

Graduate Completeness of orthonormal functions

  • Karthiksrao
  • · Replies 1 ·
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1

Undergrad What do dimensions physically signifies?how does they affect the

  • nouveau_riche
  • · Replies 1 ·
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1

Graduate Is the Lagrangian for LQG similar to that of Yang-Mills theories?

  • jfy4
  • · Replies 11 ·
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11

Graduate Relation between Verlinde's Entropic gravity and AdS/CFT

  • Schreiberdk
  • · Replies 18 ·
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18

Graduate Signature of a higgselss/bootstrap model at LHC.

  • MTd2
  • · Replies 13 ·
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13

Graduate Must Gravitons Exist? Quantum Gravity Theories

  • ralqs
  • · Replies 13 ·
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13

Graduate Does taking the derivative of time really make sense?

  • zeromodz
  • · Replies 16 ·
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16

Graduate Could quantum gravity itself have any answers?

  • Fyzix
  • · Replies 6 ·
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6

Graduate Troublesome infinities in physics

  • Akater
  • · Replies 2 ·
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2

Graduate Gravity: The explanation for quantum statistical effects?

  • Schreiberdk
  • · Replies 1 ·
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1

Graduate Nonexistence of local gravitational energy

  • muppet
  • · Replies 12 ·
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12

Graduate Was Super String theory specifically designed to explain singularities?

  • Gunner B
  • · Replies 1 ·
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Graduate Unification of QM and relativity theory

  • jfy4
  • · Replies 3 ·
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3

Graduate What Are Natural Boundary Conditions?

  • c299792458
  • · Replies 2 ·
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2

Graduate What are self-similar pictures of bifurcations and fractals ?

  • zheng89120
  • · Replies 1 ·
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1

Graduate Visualizing seven extra dimensions

  • shatteredligh
  • · Replies 1 ·
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1

Graduate (Im)probability of Inflation (Ashtekar Sloan 1003.2475)

  • marcus
  • · Replies 24 ·
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24

Graduate Projecting 3-Sphere onto a Plane | Stereographic Projection

  • Carol_m
  • · Replies 3 ·
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3

Graduate On the influence of our imaginary on string theory's beauty

  • ledjazz
  • · Replies 7 ·
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7

Graduate CP violation explained by Kerr metric

  • apeiron
  • · Replies 3 ·
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3

Graduate What Powers the Vibration of Strings in a Unified Theory of Light and Energy?

  • flotsam
  • · Replies 6 ·
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6

Graduate Does string theory mean that in our universe 1 + 1 = 2 ?

  • zheng89120
  • · Replies 3 ·
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3

Graduate Gradient of scalar function discontinuous on boundary

  • mfurqan
  • · Replies 1 ·
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1

What is the updated information on Frank Wilczek's talk at Strings 2011?

  • marcus
  • · Replies 22 ·
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22

Graduate The relation between entropy and probability at quantum levelu

  • dhillonv10
  • · Replies 65 ·
3
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65

Graduate Supergravity paper on LHC-physics by Chris Austin

  • Schreiberdk
  • · Replies 5 ·
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5
  • Poll Poll

Graduate Prospective grand unifying theory?

  • mibaokula
  • · Replies 56 ·
2
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56

Graduate Integral's Results Challenge Quantum Theory: GR vs. QM

  • eiyaz
  • · Replies 2 ·
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2

Graduate What can make a string massless?

  • kcajrenreb
  • · Replies 11 ·
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11

Graduate Verify Laplace equation in rectangular coordinates.

  • yungman
  • · Replies 4 ·
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4

Graduate Introduction to Group Field Theory: Main Ideas, Formalism, and Origins

  • Schreiberdk
  • · Replies 4 ·
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4

Graduate Trouble with Equation (4.13) in Wess & Bagger?

  • simanxxx
  • · Replies 2 ·
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2

Graduate Quantization of mass for black holes?

  • bcrowell
  • · Replies 1 ·
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1

Undergrad Could a 4D Object Appear and Disappear Like a Sphere in Flatland?

  • JerryMac
  • · Replies 16 ·
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16

Graduate Why Start Theories with SO(n,1) and Compactify to SO(3,1)xG?

  • timb00
  • · Replies 2 ·
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2

Graduate Why I am REALLY disappointed about string theory

  • tom.stoer
  • · Replies 702 ·
24
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Graduate Measured vs calculated quantities

  • Kiril
  • · Replies 8 ·
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8
  • Poll Poll

Graduate Our picks for second quarter 2011 MIP (most important QG paper)

  • marcus
  • · Replies 1 ·
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1

Graduate Strings can vibrate, but do they move?

  • ClydeH
  • · Replies 25 ·
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25

Graduate What is meant by 2+1 dimensional

  • Whenry
  • · Replies 4 ·
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4

Graduate Integral challenges physics beyond Einstein

  • stevebd1
  • · Replies 8 ·
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8

Graduate Quantum grains (String theory & LQG in trouble?)

  • Fyzix
  • · Replies 3 ·
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3

Graduate Can Energy-to-Mass Converters Achieve Near-Perfect Efficiency in the Future?

  • guss
  • · Replies 50 ·
2
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