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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.

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Graduate Can Multiple Time Dimensions Exist in String Theory?

alexsok
Dec 9, 2003 · Replies 4 · Dec 23, 2003

Replies: 4

Graduate Is Spatial Extension the True Priority in Physics?

Antonio Lao
Dec 23, 2003 · Replies 2 · Dec 23, 2003

Replies: 2

Graduate Can We Really Replicate Universes with Future Technology?

wozza
Dec 19, 2003 · Replies 4 · Dec 22, 2003

Replies: 4

Graduate Definition of Time in Modern Physics

dwf
Dec 19, 2003 · Replies 3 · Dec 21, 2003

Replies: 3

Graduate Is the Action Integral fundamental

Mike2
Dec 17, 2003 · Replies 3 · Dec 20, 2003

Replies: 3

Graduate Introduction to twistor theory

MathematicalPhysicist
Dec 12, 2003 · Replies 8 · Dec 19, 2003

Replies: 8

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

Ploegman
Apr 14, 2003 · Replies 32 · Dec 17, 2003

2

Replies: 32

Graduate Can Understanding Inverse Gravity Help Us Uncover the Mysteries of the Universe?

scott_sieger
Oct 13, 2003 · Replies 28 · Dec 16, 2003

Replies: 28

Graduate Resources to understand physics-related math?

Descartes
Dec 14, 2003 · Replies 4 · Dec 15, 2003

Replies: 4

Graduate Are Points with Separation the Key to Understanding Dimensions?

John
Dec 3, 2003 · Replies 10 · Dec 14, 2003

Replies: 10

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

Mike2
Dec 11, 2003 · Replies 8 · Dec 13, 2003

Replies: 8

Graduate How can an extra dimension create gravity?

The Grimmus
Dec 10, 2003 · Replies 3 · Dec 12, 2003

Replies: 3

Graduate Have Exact Solutions for Infinite Cosmic Strings Been Found?

pmb
Oct 30, 2003 · Replies 2 · Dec 12, 2003

Replies: 2

Graduate Conserved values always derived from Action Integral

Mike2
Dec 4, 2003 · Replies 25 · Dec 12, 2003

Replies: 25

Graduate Is There a Minimum Time in String Theory?

koi
Dec 11, 2003 · Replies 3 · Dec 11, 2003

Replies: 3

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

hamlet69
Nov 10, 2003 · Replies 3 · Dec 11, 2003

Replies: 3

Graduate If gravity begets gravity, do gravitons emit gravitons?

wolram
Dec 6, 2003 · Replies 11 · Dec 10, 2003

Replies: 11

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

deltabourne
Dec 7, 2003 · Replies 6 · Dec 8, 2003

Replies: 6

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

alexsok
Nov 30, 2003 · Replies 1 · Dec 7, 2003

Replies: 1

Graduate Just wondering if this has merit

Poy
Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Graduate Understanding the Cosmological Constant Problem

alexsok
Dec 5, 2003 · Replies 9 · Dec 6, 2003

Replies: 9

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

Mr. Einstein
Nov 27, 2003 · Replies 4 · Dec 5, 2003

Replies: 4

Graduate What Are Quaternions and Their Relation to Special Relativity?

arcnets
Nov 26, 2003 · Replies 20 · Dec 5, 2003

Replies: 20

Graduate Path integrals and the sum of surfaces, is this general?

Mike2
Nov 21, 2003 · Replies 19 · Dec 4, 2003

Replies: 19

Graduate Unifying general relativity with topological field theory

marcus
Nov 19, 2003 · Replies 8 · Dec 3, 2003

Replies: 8

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

eigenguy
Oct 16, 2003 · Replies 36 · Dec 3, 2003

2

Replies: 36

Graduate New Field Theory: Unifying Electricity & Electromagnetism

McQueen
Dec 1, 2003 · Replies 4 · Dec 3, 2003

Replies: 4

Graduate Finding Physics Books on String Theories and Quantum Mechanics

alexsok
Nov 30, 2003 · Replies 3 · Dec 3, 2003

Replies: 3

Graduate M-theory for the layperson, part II

madcat11
Nov 21, 2003 · Replies 8 · Dec 2, 2003

Replies: 8

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

alkaline
Nov 9, 2003 · Replies 17 · Dec 2, 2003

Replies: 17

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

Loren Booda
Nov 30, 2003 · Replies 10 · Dec 2, 2003

Replies: 10

Graduate Branes and LQG: A Simplified Explanation

DarkAnt
Dec 1, 2003 · Replies 4 · Dec 2, 2003

Replies: 4

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

meteor
Nov 29, 2003 · Replies 1 · Nov 29, 2003

Replies: 1

Poll

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

phoenixthoth
Sep 6, 2003 · Replies 18 · Nov 28, 2003

Replies: 18

Graduate What is Negative Mass? | Status of Speculative Theory

Chi Meson
Oct 9, 2003 · Replies 12 · Nov 24, 2003

Replies: 12

Graduate What is the Möbius Strip String Theory?

revesz
Nov 22, 2003 · Replies 2 · Nov 24, 2003

Replies: 2

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

Leo
Nov 12, 2003 · Replies 8 · Nov 23, 2003

Replies: 8

Graduate November issue of Physics World is on Quantum Gravity

marcus
Nov 15, 2003 · Replies 2 · Nov 22, 2003

Replies: 2

Graduate When Was String Theory First Formulated?

jcsd
Nov 20, 2003 · Replies 2 · Nov 21, 2003

Replies: 2

Graduate How area in LQG transforms under Lorentz boosts

marcus
Nov 7, 2003 · Replies 12 · Nov 21, 2003

Replies: 12

Undergrad Information about special and general relativity

wolram
Nov 21, 2003 · Replies 3 · Nov 21, 2003

Replies: 3

Graduate Quantum Gravity & Theories of Everything: A New Direction?

ranyart
Nov 20, 2003 · Replies 3 · Nov 21, 2003

Replies: 3

Graduate New Markopolou/Smolin: Quantum Theory from Quantum Gravity

marcus
Nov 19, 2003 · Replies 4 · Nov 20, 2003

Replies: 4

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

xeno
Nov 12, 2003 · Replies 2 · Nov 20, 2003

Replies: 2

Graduate Why Do Scientists Think Extra Dimensions are Strings?

Poy
Nov 20, 2003 · Replies 1 · Nov 20, 2003

Replies: 1

Graduate Can Loop Quantum Gravity Explain Inflation and the CMB?

marcus
Nov 4, 2003 · Replies 14 · Nov 19, 2003

Replies: 14

Poll

Graduate The Graviton: A Missing Link in Understanding Gravity?

xeno
Nov 16, 2003 · Replies 7 · Nov 18, 2003

Replies: 7

Graduate What Are the Biggest Unsolved Mysteries in Physics?

druk
Nov 17, 2003 · Replies 7 · Nov 18, 2003

Replies: 7

Graduate Quantum fluctations and singularities.

martinrandau
Nov 18, 2003 · Replies 1 · Nov 18, 2003

Replies: 1

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

Guybrush Threepwood
Nov 14, 2003 · Replies 10 · Nov 18, 2003

Replies: 10

Who is the Mysterious Man on Elegant Universe?

PrudensOptimus
Nov 16, 2003 · Replies 3 · Nov 17, 2003

Replies: 3

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

S = k log w
Nov 10, 2003 · Replies 1 · Nov 17, 2003

Replies: 1

Graduate Discovering the Mysteries of String Theory: A Comprehensive Guide

daodude1987
Nov 9, 2003 · Replies 1 · Nov 17, 2003

Replies: 1

Graduate Quantizing speeds with the cosmological constant

marcus
Nov 11, 2003 · Replies 15 · Nov 17, 2003

Replies: 15

Graduate How Does Twistor Theory Connect to Roger Penrose?

Jack
Apr 1, 2003 · Replies 4 · Nov 17, 2003

Replies: 4

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

madcat11
Nov 15, 2003 · Replies 13 · Nov 16, 2003

Replies: 13

Graduate Is Time an Illusion Created by Our Consciousness?

Rader
Sep 6, 2003 · Replies 14 · Nov 16, 2003

Replies: 14

Graduate String theory? sounds like a loose thread

jimmy p
Nov 13, 2003 · Replies 10 · Nov 15, 2003

Replies: 10

Graduate Covariant Loop Gravity and Livine's Thesis

marcus
Oct 26, 2003 · Replies 32 · Nov 15, 2003

2

Replies: 32

Graduate Unified Field: Wave Equations, Standing Waves, Entropy & Dark Matter

PFanalog57
Sep 12, 2003 · Replies 50 · Nov 14, 2003

2

Replies: 50

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

Dysprosium
Nov 2, 2003 · Replies 2 · Nov 14, 2003

Replies: 2

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

Flukkie
Nov 13, 2003 · Replies 3 · Nov 13, 2003

Replies: 3

Graduate Two Time Dimensions: Theoretically Possible?

Jack
Sep 21, 2003 · Replies 7 · Nov 12, 2003

Replies: 7

Graduate Heisenberg Uncertainty Principle and String Theory

ranyart
Nov 2, 2003 · Replies 2 · Nov 10, 2003

Replies: 2

Graduate Ideas on what the extra dimensions are

finneyp
Nov 10, 2003 · Replies 1 · Nov 10, 2003

Replies: 1

Graduate Do string theories need gravitational radiation as in GR?

wolram
Nov 7, 2003 · Replies 5 · Nov 9, 2003

Replies: 5

Graduate Background independent string theory

MathematicalPhysicist
Nov 5, 2003 · Replies 7 · Nov 9, 2003

Replies: 7

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

Clement McCulloch
Nov 7, 2003 · Replies 3 · Nov 8, 2003

Replies: 3

Graduate How Does Dimension Influence Theories of Supersymmetry and Gravity?

sol1
Oct 30, 2003 · Replies 1 · Nov 6, 2003

Replies: 1

Graduate String Theory: Mysterious Smaller Universes

Zeke
Oct 28, 2003 · Replies 5 · Nov 6, 2003

Replies: 5

Graduate The ToE: Unification or Replacement?

Mentat
Oct 11, 2003 · Replies 24 · Nov 5, 2003

Replies: 24

Graduate LQG, strings and the IKKT matrix model

Urs
Nov 5, 2003 · Replies 2 · Nov 5, 2003

Replies: 2

Graduate Strings Meets Loops at the Albert Einstein Institute

marcus
Oct 7, 2003 · Replies 19 · Nov 5, 2003

Replies: 19

Graduate Laplace-Runge-Lenz vector and its generating transformation

Sonty
Nov 2, 2003 · Replies 2 · Nov 3, 2003

Replies: 2

Graduate Coupla Questions: Universe Strings & Particles

gbarnett
Oct 30, 2003 · Replies 6 · Nov 2, 2003

Replies: 6

Graduate World-sheets, manifolds, and coordinate systems

Mike2
Nov 1, 2003 · Replies 1 · Nov 1, 2003

Replies: 1

Graduate David Louapre, at Lyons, another one to watch

marcus
Sep 12, 2003 · Replies 26 · Oct 31, 2003

Replies: 26

Graduate Can we reach the stars through interstellar space exploration?

spacetravel101
Oct 28, 2003 · Replies 1 · Oct 31, 2003

Replies: 1

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

quartodeciman
Oct 22, 2003 · Replies 20 · Oct 30, 2003

Replies: 20

Graduate What are the five string theories?

and?
Oct 29, 2003 · Replies 5 · Oct 30, 2003

Replies: 5

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

phoenixthoth
Sep 30, 2003 · Replies 8 · Oct 30, 2003

Replies: 8

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

mathman
Oct 26, 2003 · Replies 5 · Oct 28, 2003

Replies: 5

Graduate Is the Planck Length Truly Constant?

ranyart
Oct 21, 2003 · Replies 2 · Oct 28, 2003

Replies: 2

Graduate There is no such thing as free energy

Larry L. Burks
Oct 5, 2003 · Replies 19 · Oct 26, 2003

Replies: 19

Undergrad What Are the Basics of String Theory for Beginners?

Gale
Oct 23, 2003 · Replies 12 · Oct 25, 2003

Replies: 12

Graduate Noncommutative geometry and the standard model

marcus
Oct 19, 2003 · Replies 15 · Oct 24, 2003

Replies: 15

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

sol1
Oct 8, 2003 · Replies 3 · Oct 24, 2003

Replies: 3

Graduate What Exactly is a String in String Theory?

wolram
Oct 24, 2003 · Replies 2 · Oct 24, 2003

Replies: 2

Graduate Loop gravity Hamiltonian-for Jeff and/or Eigenguy

marcus
Oct 18, 2003 · Replies 32 · Oct 23, 2003

2

Replies: 32

Graduate Maldacena Conjecture: 55-min RealPlayer Lecture

meteor
Oct 19, 2003 · Replies 2 · Oct 23, 2003

Replies: 2

Brian greene on letterman last night

eigenguy
Oct 16, 2003 · Replies 3 · Oct 21, 2003

Replies: 3

Perche i nostri discorsi-Galileo quoted by Rovelli

marcus
Oct 9, 2003 · Replies 46 · Oct 19, 2003

2

Replies: 46

Graduate A change going on in theoretical physics

marcus
Oct 12, 2003 · Replies 2 · Oct 19, 2003

Replies: 2

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

scott_sieger
Oct 15, 2003 · Replies 7 · Oct 19, 2003

Replies: 7

Graduate Rovelli's hierarchy of Time(s)

marcus
Oct 12, 2003 · Replies 2 · Oct 19, 2003

Replies: 2

Graduate Different Perspectives in Theory Only

mikelus
Oct 16, 2003 · Replies 1 · Oct 17, 2003

Replies: 1

Graduate The consequences of Goedel's first incompleteness theorum for physical theories

jcsd
Oct 15, 2003 · Replies 15 · Oct 16, 2003

Replies: 15

Graduate Unanswered Questions in Fundamental Physics

scott_sieger
Oct 15, 2003 · Replies 18 · Oct 16, 2003

Replies: 18

Graduate Covariant vs absolute derivative

pmb
Oct 16, 2003 · Replies 1 · Oct 16, 2003

Replies: 1

Poll

Graduate The Ultimate Crackpot Theory Of Gravity

jammieg
Apr 22, 2003 · Replies 19 · Oct 15, 2003

Replies: 19

sidebar

Theoretical Physics

Welcome to the Theoretical Physics forum!

Theoretical physics is a branch of physics that focuses on developing mathematical models and theoretical frameworks to explain and predict physical phenomena. Theoretical physicists strive to understand the fundamental principles that govern the universe, often delving into realms beyond immediate experimental observation.

This field involves the creation of mathematical equations and conceptual frameworks, exploring topics such as quantum mechanics, general relativity, and particle physics.

Theoretical physicists contribute to our understanding of the universe at both the smallest and largest scales, seeking to formulate elegant and comprehensive theories that describe the underlying principles of the cosmos, even if some aspects remain challenging to verify experimentally.

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