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 Certain of dimensional fields as expressed in recent theories?

  • Poorichard2
  • · Replies 2 ·
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2

Graduate Susskind/Steinhardt/Smolin discussion at Edge

  • marcus
  • · Replies 14 ·
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14

Graduate Good elementary description of LQG

  • mathman
  • · Replies 7 ·
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7

Graduate What is the Nature of Stephen Hawking's 'Metaphysical' Theory of Everything?

  • Kaspah_2k
  • · Replies 3 ·
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3

Graduate Spin Foam Models: A Perspective on Quantum Gravity

  • marcus
  • · Replies 39 ·
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39

Graduate Can Multiple Time Dimensions Exist in String Theory?

  • alexsok
  • · Replies 4 ·
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4

Graduate Directional invariance as fundamental to particle identity

  • Antonio Lao
  • · Replies 2 ·
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2

Graduate Can We Really Replicate Universes with Future Technology?

  • wozza
  • · Replies 4 ·
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4

Graduate Definition of Time in Modern Physics

  • dwf
  • · Replies 3 ·
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3

Graduate Is the Action Integral fundamental

  • Mike2
  • · Replies 3 ·
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3

Graduate Introduction to twistor theory

  • MathematicalPhysicist
  • · Replies 8 ·
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8

High School What would life be like in the fourth dimension?

  • Ploegman
  • · Replies 32 ·
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32

Graduate Inverse gravity and the balance of attractive forces

  • scott_sieger
  • · Replies 28 ·
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28

Graduate Resources to understand physics-related math?

  • Descartes
  • · Replies 4 ·
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4

Graduate How points with separation determine dimensionality

  • John
  • · Replies 10 ·
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10

Graduate Do Different Points Along a String Travel at Different Speeds in SpaceTime?

  • Mike2
  • · Replies 8 ·
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8

Graduate How can an extra dimension create gravity?

  • The Grimmus
  • · Replies 3 ·
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3

Graduate Exact solutions for infinite straight cosmic strings

  • pmb
  • · Replies 2 ·
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2

Graduate Conserved values always derived from Action Integral

  • Mike2
  • · Replies 25 ·
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25

Graduate Is There a Minimum Time in String Theory?

  • koi
  • · Replies 3 ·
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3

Graduate Is there a minimum unit of time in string theory?

  • hamlet69
  • · Replies 3 ·
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3

Graduate If gravity begets gravity, do gravitons emit gravitons?

  • wolram
  • · Replies 11 ·
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11

Graduate Is physics almost 'done', so to speak?

  • deltabourne
  • · Replies 6 ·
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6

Graduate What Are P-Branes and Their Role in String Theory?

  • alexsok
  • · Replies 1 ·
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1

Graduate Just wondering if this has merit

  • Poy
  • · Replies 3 ·
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3

Graduate Why is the cosmological constant so small and why now?

  • alexsok
  • · Replies 9 ·
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9

Graduate Anomalous Observation: Is Two Different Types of Space In Place About the Earth?

  • Mr. Einstein
  • · Replies 4 ·
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4

Graduate What Are Quaternions and Their Relation to Special Relativity?

  • arcnets
  • · Replies 20 ·
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20
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19

Graduate Unifying general relativity with topological field theory

  • marcus
  • · Replies 8 ·
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8

Graduate Why is LQG a dead end but not m-theory?

  • eigenguy
  • · Replies 36 ·
2
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36

Graduate Why does New Field Theory provoke mistrust among physicists?

  • McQueen
  • · Replies 4 ·
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4

Graduate Finding Physics Books on String Theories and Quantum Mechanics

  • alexsok
  • · Replies 3 ·
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3

Graduate M-theory for the layperson, part II

  • madcat11
  • · Replies 8 ·
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8

Graduate What Are the Unique Properties of a Universe with Four Spatial Dimensions?

  • alkaline
  • · Replies 17 ·
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17

Graduate Can We Mathematically Define Physical Impossibility in an Infinite Universe?

  • Loren Booda
  • · Replies 10 ·
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10

Graduate What are branes and loop quantum gravity?

  • DarkAnt
  • · Replies 4 ·
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4

Graduate What Are the Differences Between Riemannian and Lorentzian Spin Networks?

  • meteor
  • · Replies 1 ·
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1
  • Poll Poll

Graduate What is the true nature of atoms and their dimensions?

  • phoenixthoth
  • · Replies 18 ·
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18

Graduate Theoretical status of negative mass in physics

  • Chi Meson
  • · Replies 12 ·
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12

Graduate What is the Möbius Strip String Theory?

  • revesz
  • · Replies 2 ·
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2

Graduate 2 Tests will explain Small Ether drift measured by D. Miller

  • Leo
  • · Replies 8 ·
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8

Graduate November issue of Physics World is on Quantum Gravity

  • marcus
  • · Replies 2 ·
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2

Graduate When Was String Theory First Formulated?

  • jcsd
  • · Replies 2 ·
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2

Graduate How area in LQG transforms under Lorentz boosts

  • marcus
  • · Replies 12 ·
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12

Undergrad Information about special and general relativity

  • wolram
  • · Replies 3 ·
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3

Graduate Strings, branes and loop quantum gravity

  • ranyart
  • · Replies 3 ·
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3

Graduate New Markopolou/Smolin: Quantum Theory from Quantum Gravity

  • marcus
  • · Replies 4 ·
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4

Graduate Deriving 'G' from E=mc^2 and Gravitons

  • xeno
  • · Replies 2 ·
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2

Graduate Why Do Scientists Think Extra Dimensions are Strings?

  • Poy
  • · Replies 1 ·
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1

Graduate Can Loop Quantum Gravity Explain Inflation and the CMB?

  • marcus
  • · Replies 14 ·
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14
  • Poll Poll

Graduate The Graviton: A Missing Link in Understanding Gravity?

  • xeno
  • · Replies 7 ·
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7

Graduate Why have Zeno's paradoxes and the nature of time remained unsolved?

  • druk
  • · Replies 7 ·
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7

Graduate Quantum fluctations and singularities.

  • martinrandau
  • · Replies 1 ·
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1

Graduate What Role Does Charge Play in the Mass of Particles in Space-Time?

  • Guybrush Threepwood
  • · Replies 10 ·
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10

Mysterious person in the Elegant Universe TV series

  • PrudensOptimus
  • · Replies 3 ·
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3

Graduate What Defines the Existence and Space of Strings in Computer Memory?

  • S = k log w
  • · Replies 1 ·
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1

Graduate Where can I find information about string theory?

  • daodude1987
  • · Replies 1 ·
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1

Graduate Quantizing speeds with the cosmological constant

  • marcus
  • · Replies 15 ·
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15

Graduate How Does Twistor Theory Connect to Roger Penrose?

  • Jack
  • · Replies 4 ·
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4

Graduate Can M-theory be explained in simpler terms for non-scientists?

  • madcat11
  • · Replies 13 ·
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13

Graduate Is Time an Illusion Created by Our Consciousness?

  • Rader
  • · Replies 14 ·
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14

Graduate String theory? sounds like a loose thread

  • jimmy p
  • · Replies 10 ·
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10

Graduate Covariant Loop Gravity and Livine's Thesis

  • marcus
  • · Replies 32 ·
2
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32

Graduate Standing waves, entropy, and dark matter in a closed universe

  • PFanalog57
  • · Replies 50 ·
2
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50

Graduate What is the Holographic Principle and how is it related to string theory?

  • Dysprosium
  • · Replies 2 ·
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2

Undergrad Is First-Year Physics Always This Math-Intensive?

  • Flukkie
  • · Replies 3 ·
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3

Graduate Two Time Dimensions: Theoretically Possible?

  • Jack
  • · Replies 7 ·
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7

Graduate Heisenberg Uncertainty Principle and String Theory

  • ranyart
  • · Replies 2 ·
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2

Graduate Ideas on what the extra dimensions are

  • finneyp
  • · Replies 1 ·
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1

Graduate Do string theories need gravitational radiation as in GR?

  • wolram
  • · Replies 5 ·
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5

Graduate Background independent string theory

  • MathematicalPhysicist
  • · Replies 7 ·
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7

Graduate What Are Gravitons and Their Role in the Origin of Time and Space?

  • Clement McCulloch
  • · Replies 3 ·
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3

Graduate How Does Dimension Influence Theories of Supersymmetry and Gravity?

  • sol1
  • · Replies 1 ·
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1

Graduate Do smaller scales in string theory imply nested universes?

  • Zeke
  • · Replies 5 ·
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5

Graduate The ToE: Unification or Replacement?

  • Mentat
  • · Replies 24 ·
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24

Graduate LQG, strings and the IKKT matrix model

  • Urs
  • · Replies 2 ·
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2

Graduate Strings Meet Loops symposium at AEI, October 2003

  • marcus
  • · Replies 19 ·
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19

Graduate Laplace-Runge-Lenz vector and its generating transformation

  • Sonty
  • · Replies 2 ·
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2

Graduate String density in the universe and whether strings travel with matter

  • gbarnett
  • · Replies 6 ·
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6

Graduate World-sheets, manifolds, and coordinate systems

  • Mike2
  • · Replies 1 ·
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1

Graduate David Louapre's work on spin foams and asymptotic 10j

  • marcus
  • · Replies 26 ·
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26

Graduate Can we reach the stars through interstellar space exploration?

  • spacetravel101
  • · Replies 1 ·
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1

Graduate NOVA The Elegant Universe: A Look at String Theory's 35th Anniversary

  • quartodeciman
  • · Replies 20 ·
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20

Graduate What are the five string theories?

  • and?
  • · Replies 5 ·
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5

Graduate Can 11D Space Crumple Into 3D Universe and Create Wormholes?

  • phoenixthoth
  • · Replies 8 ·
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8

Is Brian Greene's Explanation of String Theory on Nova Worth Watching?

  • mathman
  • · Replies 5 ·
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5

Graduate Is the Planck Length Truly Constant?

  • ranyart
  • · Replies 2 ·
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2

Graduate There is no such thing as free energy

  • Larry L. Burks
  • · Replies 19 ·
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19

Undergrad What Are the Basics of String Theory for Beginners?

  • Gale
  • · Replies 12 ·
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12

Graduate Noncommutative geometry and the standard model

  • marcus
  • · Replies 15 ·
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15

Graduate Plato's Cave and Heisenberg, 21st Century with Witten

  • sol1
  • · Replies 3 ·
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3

Graduate What Exactly is a String in String Theory?

  • wolram
  • · Replies 2 ·
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2

Graduate Loop gravity Hamiltonian-for Jeff and/or Eigenguy

  • marcus
  • · Replies 32 ·
2
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32

Graduate Maldacena Conjecture: 55-min RealPlayer Lecture

  • meteor
  • · Replies 2 ·
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2

Brian greene on letterman last night

  • eigenguy
  • · Replies 3 ·
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3

Perche i nostri discorsi-Galileo quoted by Rovelli

  • marcus
  • · Replies 46 ·
2
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46

Graduate A change going on in theoretical physics

  • marcus
  • · Replies 2 ·
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2

High School Is It Necessary to Disprove Other Theories in Order to Prove One Correct?

  • scott_sieger
  • · Replies 7 ·
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7

Graduate Rovelli's hierarchy of Time(s)

  • marcus
  • · Replies 2 ·
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2