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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 How does LQG theory explain the constant speed of light for all observers?

Feb 6, 2005 · Replies 7 · Feb 7, 2005

Replies: 7

Views: 3K

Graduate Plank Length and String Theory

Feb 2, 2005 · Replies 16 · Feb 6, 2005

Replies: 16

Views: 9K

Graduate What is Symplectic? Explaining the Group Theory Basics

Feb 1, 2005 · Replies 7 · Feb 4, 2005

Replies: 7

Views: 4K

Graduate BF theory is basic to LQG so we should learn about it

Feb 4, 2005 · Replies 4 · Feb 4, 2005

Replies: 4

Views: 4K

Graduate What is the impact of higher dimensions on our understanding of space and time?

Jan 31, 2005 · Replies 5 · Feb 3, 2005

Replies: 5

Views: 3K

Graduate Brane Universes: String Theory Explained

Jan 30, 2005 · Replies 4 · Feb 2, 2005

Replies: 4

Views: 2K

Undergrad What Are the Dimensions Beyond 3D and How Do They Work?

Feb 1, 2005 · Replies 7 · Feb 2, 2005

Replies: 7

Views: 3K

Graduate What is the mass of a string near c ?

Aug 28, 2004 · Replies 20 · Feb 2, 2005

Replies: 20

Views: 4K

Graduate The search for quantum gravity signals

Jan 28, 2005 · Replies 14 · Feb 2, 2005

Replies: 14

Views: 3K

Graduate Phenomenological quantum gravity

Jan 30, 2005 · Replies 4 · Feb 1, 2005

Replies: 4

Views: 2K

Graduate An eqation for energy conversion

Jan 30, 2005 · Replies 4 · Jan 31, 2005

Replies: 4

Views: 2K

Graduate Is String Theory the Limit of Our Understanding?

Jan 23, 2005 · Replies 6 · Jan 30, 2005

Replies: 6

Views: 3K

Graduate Lubos style critique of Strings

Jan 25, 2005 · Replies 7 · Jan 28, 2005

Replies: 7

Views: 3K

Graduate New Forces of Nature - A Quest for a Grand Unified Theory

Jan 22, 2005 · Replies 4 · Jan 24, 2005

Replies: 4

Views: 3K

Graduate M-Theory: Are P-Branes & Strings Made of Matter/Energy?

Dec 25, 2004 · Replies 7 · Jan 24, 2005

Replies: 7

Views: 3K

Graduate Is String Theory Truly Predictive? Discussing the Controversy and Challenges

Jan 12, 2005 · Replies 6 · Jan 23, 2005

Replies: 6

Views: 3K

Graduate Progress on LQG dynamics (the Master Constraint program)

Nov 30, 2004 · Replies 13 · Jan 23, 2005

Replies: 13

Views: 4K

Graduate String Theory: Multiverse & Dimensions

Jan 23, 2005 · Replies 4 · Jan 23, 2005

Replies: 4

Views: 2K

Graduate Spontaneous Universe: 10D Static Universe from Quantum Fluctuation

Jan 21, 2005 · Replies 2 · Jan 21, 2005

Replies: 2

Views: 2K

Graduate Smolin: Falsifiable Predictions from QG

Jan 13, 2005 · Replies 2 · Jan 21, 2005

Replies: 2

Views: 3K

Graduate The Planck Lambda (Baez question)

Oct 28, 2004 · Replies 8 · Jan 20, 2005

Replies: 8

Views: 5K

Brian Greene Lecture: Ask Your Questions Here

Jan 12, 2005 · Replies 2 · Jan 19, 2005

Replies: 2

Views: 4K

Graduate Supersymmetry and Superparticles

Jan 18, 2005 · Replies 5 · Jan 19, 2005

Replies: 5

Views: 4K

Poll

Undergrad E=MC2: Consequences of Being Wrong

Jan 18, 2005 · Replies 9 · Jan 19, 2005

Replies: 9

Views: 3K

Graduate Attempt to visualize higher dimensions

Dec 28, 2004 · Replies 25 · Jan 19, 2005

Replies: 25

Views: 6K

Graduate R.F Streater Critiques Diff M Gauge Group

Jan 19, 2005 · Replies 3 · Jan 19, 2005

Replies: 3

Views: 3K

Graduate Quantum Gravity In De Sitter Space

Jan 9, 2005 · Replies 2 · Jan 18, 2005

Replies: 2

Views: 3K

Graduate Braneworld vs Modified Newtonian Dynamics (MOND)

Jan 11, 2005 · Replies 2 · Jan 18, 2005

Replies: 2

Views: 2K

Graduate Unitary Quantum Mechanics & Black Hole Paradox: Gambini, Pullin, Porto

Jan 10, 2005 · Replies 1 · Jan 17, 2005

Replies: 1

Views: 2K

Graduate Best thinking about dimensionality

Jan 12, 2005 · Replies 8 · Jan 14, 2005

Replies: 8

Views: 2K

Graduate Why Do We Need Strings in String Theory?

Jan 9, 2005 · Replies 13 · Jan 11, 2005

Replies: 13

Views: 3K

Edge essays by Steinhardt and others

Jan 5, 2005 · Replies 8 · Jan 10, 2005

Replies: 8

Views: 3K

Graduate Mass of Strings and Branes: A Physicist's Perspective

Jan 4, 2005 · Replies 7 · Jan 8, 2005

Replies: 7

Views: 3K

Graduate Baez and Schreiber paper on 2-bundles

Dec 30, 2004 · Replies 9 · Jan 4, 2005

Replies: 9

Views: 3K

Undergrad Need Research Topic Ideas for Physics Project

Jan 4, 2005 · Replies 2 · Jan 4, 2005

Replies: 2

Views: 3K

Graduate Philip Anderson on string in the NYT

Jan 4, 2005 · Replies 2 · Jan 4, 2005

Replies: 2

Views: 7K

High School What is LQG and which book is better: Parallel Worlds or Fabric?

Dec 23, 2004 · Replies 5 · Jan 4, 2005

Replies: 5

Views: 3K

Hanno Sahlmann video (how to view?)

Dec 23, 2004 · Replies 4 · Jan 3, 2005

Replies: 4

Views: 4K

Graduate How Does WMAP Data Influence Our Understanding of Inflationary Potential?

Dec 30, 2004 · Replies 4 · Jan 3, 2005

Replies: 4

Views: 3K

Graduate What are the most memorable quotes about Quantum Theory of Gravity?

Jan 1, 2005 · Replies 5 · Jan 2, 2005

Replies: 5

Views: 8K

Graduate Unpacking the TOE Solution: Understanding the Multidimensional Universe Theory

Dec 23, 2004 · Replies 1 · Dec 30, 2004

Replies: 1

Views: 2K

Graduate Strings: Big and Small - New Evidence Discovered

Dec 27, 2004 · Replies 8 · Dec 28, 2004

Replies: 8

Views: 2K

Can Complex Systems Lead to Emergent Phenomena?

Dec 19, 2004 · Replies 16 · Dec 27, 2004

Replies: 16

Views: 4K

Graduate Marseille workshop on loops and spin foams

May 10, 2004 · Replies 128 · Dec 24, 2004

5

Replies: 128

Views: 25K

Graduate What is the meaning of 'canonical' in physics?

Dec 20, 2004 · Replies 11 · Dec 22, 2004

Replies: 11

Views: 20K

Graduate Interview with Theoretical Physicist Michio Kaku

Dec 20, 2004 · Replies 0 · Dec 20, 2004

Replies: 0

Views: 4K

Graduate The Big Bang: String or Brane?

Dec 19, 2004 · Replies 2 · Dec 20, 2004

Replies: 2

Views: 2K

Graduate Wilczek et al Nobel talk online.

Dec 10, 2004 · Replies 2 · Dec 17, 2004

Replies: 2

Views: 4K

Graduate Relativistic Kepler Problem: Minimum Momentum & Quantum Gravity

Dec 10, 2004 · Replies 1 · Dec 17, 2004

Replies: 1

Views: 2K

Graduate What is the Future of String Theory?

Dec 7, 2004 · Replies 10 · Dec 16, 2004

Replies: 10

Views: 4K

Cute ZPE Article: NASA Funding & EM Fields

Dec 16, 2004 · Replies 2 · Dec 16, 2004

Replies: 2

Views: 3K

Graduate Twisting knobs on the Std. Muddle

Dec 14, 2004 · Replies 5 · Dec 16, 2004

Replies: 5

Views: 2K

Graduate Difficulties understanding Green's Functions

Dec 13, 2004 · Replies 1 · Dec 15, 2004

Replies: 1

Views: 6K

Graduate LAGEOS confirms frame dragging.

Dec 8, 2004 · Replies 5 · Dec 14, 2004

Replies: 5

Views: 4K

Graduate Conformal Gravity: Understanding Attractive & Repulsive Forces

Dec 7, 2004 · Replies 1 · Dec 14, 2004

Replies: 1

Views: 5K

Graduate Is it possible to have infinite amount of dimension?

Dec 12, 2004 · Replies 5 · Dec 14, 2004

Replies: 5

Views: 3K

Graduate Is the math getting more complex?

Dec 12, 2004 · Replies 10 · Dec 13, 2004

Replies: 10

Views: 3K

Graduate Miguel C. Alvarez thesis posted today (Baez student)

Dec 12, 2004 · Replies 4 · Dec 13, 2004

Replies: 4

Views: 4K

Graduate Is Our Universe Actually a Hologram?

Dec 11, 2004 · Replies 7 · Dec 12, 2004

Replies: 7

Views: 4K

Graduate What is the Historical Development of String Theory?

Dec 11, 2004 · Replies 2 · Dec 12, 2004

Replies: 2

Views: 3K

Graduate String Theory: A Revolutionary View of Atoms

Dec 8, 2004 · Replies 6 · Dec 11, 2004

Replies: 6

Views: 3K

Graduate Bosonic string theory: spectrum of particles

Dec 4, 2004 · Replies 1 · Dec 11, 2004

Replies: 1

Views: 4K

Graduate Strange Hamilton Jacobi equation

Dec 10, 2004 · Replies 1 · Dec 11, 2004

Replies: 1

Views: 3K

Graduate Do strings move in spacetime ?

Dec 3, 2004 · Replies 2 · Dec 11, 2004

Replies: 2

Views: 3K

Graduate Daniele's View on Quantum Gravity and Spinfoam

Nov 17, 2004 · Replies 5 · Dec 8, 2004

Replies: 5

Views: 2K

Graduate Quantum gravity workshop at perimeter institute

Nov 6, 2004 · Replies 19 · Dec 8, 2004

Replies: 19

Views: 7K

Undergrad Applications of Euler-Lagrange Equation

Nov 13, 2004 · Replies 1 · Dec 7, 2004

Replies: 1

Views: 10K

Graduate Unification Explained: The TOE Dilemma in Our Universe | Pentapublishing"

Dec 6, 2004 · Replies 5 · Dec 7, 2004

Replies: 5

Views: 3K

Graduate Why is string theory so complex and difficult to understand?

Dec 4, 2004 · Replies 12 · Dec 5, 2004

Replies: 12

Views: 3K

Graduate What book on String theory or LQG is recommended for pleasure reading?

Nov 28, 2004 · Replies 8 · Dec 5, 2004

Replies: 8

Views: 3K

Graduate No he does not say that and why bug him?

Dec 3, 2004 · Replies 2 · Dec 4, 2004

Replies: 2

Views: 2K

Graduate String Theory: Multiverse w/ Same Constants?

Dec 3, 2004 · Replies 2 · Dec 4, 2004

Replies: 2

Views: 3K

Graduate Rovelli in effect concedes that lqg is wrong, but still worthwhile

Dec 3, 2004 · Replies 3 · Dec 4, 2004

Replies: 3

Views: 3K

Graduate Can Different Dimensions Co-Exist and Influence Each Other?

Nov 22, 2004 · Replies 7 · Dec 4, 2004

Replies: 7

Views: 3K

Graduate Exploring Quantum Gravity: Rovelli's New Book

Nov 29, 2004 · Replies 13 · Dec 3, 2004

Replies: 13

Views: 3K

Graduate String Gravitons yield GR. NOT

Sep 23, 2004 · Replies 27 · Dec 2, 2004

Replies: 27

Views: 6K

Graduate Understanding Spinors: Not Your Typical Tensor

Dec 1, 2004 · Replies 4 · Dec 1, 2004

Replies: 4

Views: 3K

Graduate Brane Gas Cosmology: Calculations & Analysis in 11D Supergravity

Nov 24, 2004 · Replies 1 · Dec 1, 2004

Replies: 1

Views: 3K

Graduate What Was Before Big Bang? Info Needed

Nov 30, 2004 · Replies 12 · Dec 1, 2004

Replies: 12

Views: 4K

Graduate What Would Happen If Negative Mass Existed?

Dec 1, 2004 · Replies 6 · Dec 1, 2004

Replies: 6

Views: 3K

Graduate Massless Strings: How Particles Vary in Mass

Nov 3, 2004 · Replies 10 · Nov 29, 2004

Replies: 10

Views: 4K

Undergrad What are some difficult concepts in physics that rely heavily on mathematics?

Nov 27, 2004 · Replies 17 · Nov 28, 2004

Replies: 17

Views: 5K

Graduate Answering the Anthropic Principle

Nov 24, 2004 · Replies 21 · Nov 27, 2004

Replies: 21

Views: 5K

Graduate Dynamically Triangulating Gravity hep-th/0105267

Nov 26, 2004 · Replies 3 · Nov 27, 2004

Replies: 3

Views: 3K

Great new Google version (for research)

Nov 19, 2004 · Replies 3 · Nov 25, 2004

Replies: 3

Views: 4K

Graduate Introducing Loop Quantum Gravity: Differences with String Theory

Aug 12, 2004 · Replies 71 · Nov 25, 2004

3

Replies: 71

Views: 14K

Graduate What is the CDT Approach to Quantum Gravity?

Nov 24, 2004 · Replies 4 · Nov 24, 2004

Replies: 4

Views: 3K

Graduate On knots, categories and mass gaps

Nov 20, 2004 · Replies 9 · Nov 24, 2004

Replies: 9

Views: 4K

Graduate Mavromatos-cos. const. + time direction

Nov 16, 2004 · Replies 1 · Nov 23, 2004

Replies: 1

Views: 2K

Graduate Is ZP Energy mainstream or crockery?

Nov 22, 2004 · Replies 4 · Nov 23, 2004

Replies: 4

Views: 3K

Graduate String Theory Debate: Thomas_Joe Seeks Opinions

Nov 20, 2004 · Replies 8 · Nov 21, 2004

Replies: 8

Views: 3K

Graduate Is There a New Theory of Gravity?

Nov 20, 2004 · Replies 1 · Nov 20, 2004

Replies: 1

Views: 7K

Graduate Kasner solution, a key to understanding the early universe.

Nov 19, 2004 · Replies 8 · Nov 20, 2004

Replies: 8

Views: 3K

Graduate What Is Negative Mass and How Does It Compare to Positive Mass?

Nov 17, 2004 · Replies 3 · Nov 20, 2004

Replies: 3

Views: 4K

Graduate New universe predictions by GR and LQG

Nov 16, 2004 · Replies 8 · Nov 18, 2004

Replies: 8

Views: 3K

Graduate Discussing Unruh Effect: Boundary Conditions & Quantum Physics

Nov 16, 2004 · Replies 16 · Nov 17, 2004

Replies: 16

Views: 4K

Graduate New Ambjorn et al. paper (AJL follow-up)

Nov 16, 2004 · Replies 7 · Nov 17, 2004

Replies: 7

Views: 3K

Graduate Connes: Physics to Number Theory

Nov 11, 2004 · Replies 11 · Nov 15, 2004

Replies: 11

Views: 4K

Graduate TWF #208: Latest Updates on Quantum Gravity at Perimeter Institute

Nov 7, 2004 · Replies 2 · Nov 14, 2004

Replies: 2

Views: 2K

Graduate Exposing the Fallacy of String Theory: A Critical Analysis

Oct 30, 2004 · Replies 20 · Nov 13, 2004

Replies: 20

Views: 7K

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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