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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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What Are the Hidden Properties of Spacetime in Cosmology?

Jun 4, 2005 · Replies 54 · Jun 20, 2005

2

Replies: 54

Views: 11K

Gravity & Mass in Einstein's Gravity Model

Jun 8, 2005 · Replies 2 · Jun 17, 2005

Replies: 2

Views: 3K

Could Pauli Have Discovered Quantum Mechanics? A Clue from Freeman Dyson

Jun 15, 2005 · Replies 6 · Jun 16, 2005

Replies: 6

Views: 5K

Join the Debate on Woit's Blog: A Crackpot's Perspective | Kea

Jun 7, 2005 · Replies 2 · Jun 15, 2005

Replies: 2

Views: 2K

What Is a D-Brane in String Theory?

Jun 2, 2005 · Replies 2 · Jun 15, 2005

Replies: 2

Views: 3K

Quantum Gravity with a Positive Cosmological Constant

Jun 7, 2005 · Replies 1 · Jun 14, 2005

Replies: 1

Views: 2K

Why CDT changes the map of quantum gravity

May 23, 2005 · Replies 83 · Jun 14, 2005

3

Replies: 83

Views: 11K

Is gravity to spacetime what surface tension is to bubbles ?

Jun 11, 2005 · Replies 5 · Jun 14, 2005

Replies: 5

Views: 4K

Entropy of horizons and particles

Jun 5, 2005 · Replies 2 · Jun 14, 2005

Replies: 2

Views: 2K

Dittrich&Loll count black hole geometries

Jun 6, 2005 · Replies 2 · Jun 13, 2005

Replies: 2

Views: 3K

Finding God Through String Theory?

Jun 9, 2005 · Replies 10 · Jun 12, 2005

Replies: 10

Views: 4K

Self-Oscillation: Find Prime Oscillation in Universe

Jun 9, 2005 · Replies 8 · Jun 11, 2005

Replies: 8

Views: 3K

Exploring String Theory at Black Holes & Universe Expansion

May 26, 2005 · Replies 2 · Jun 11, 2005

Replies: 2

Views: 2K

Proofs of Symmetrized Trace of F^4 for Non-Abelian Gauge Field

Jun 3, 2005 · Replies 1 · Jun 10, 2005

Replies: 1

Views: 3K

Counting Strings: Quarks, Dimensions & Brian Greene's Book

Jun 4, 2005 · Replies 6 · Jun 6, 2005

Replies: 6

Views: 3K

The running of the spacetime dimension (AJL)

May 12, 2005 · Replies 22 · Jun 6, 2005

Replies: 22

Views: 6K

Are strings the equivalent to bits?

May 29, 2005 · Replies 2 · Jun 5, 2005

Replies: 2

Views: 2K

Two World-theories (neither one especially stringy)

Dec 19, 2004 · Replies 109 · Jun 5, 2005

4

Replies: 109

Views: 13K

Likelihood of M-theory: 1-10 Scale

May 20, 2005 · Replies 89 · Jun 4, 2005

3

Replies: 89

Views: 11K

Can Matter Transform Between Field and Wave Function in Loop Quantum Gravity?

Jun 2, 2005 · Replies 11 · Jun 3, 2005

Replies: 11

Views: 2K

Arithmetic Algebraic Geometry at the University of Arizona

May 25, 2005 · Replies 2 · Jun 1, 2005

Replies: 2

Views: 2K

What is the essence of universe: energy or matter?

May 30, 2005 · Replies 6 · May 31, 2005

Replies: 6

Views: 6K

What Insights Does Quantum Physics from A to Z Offer?

May 25, 2005 · Replies 16 · May 26, 2005

Replies: 16

Views: 3K

Loop Quantum Gravity: Where is it Going?

May 26, 2005 · Replies 13 · May 26, 2005

Replies: 13

Views: 2K

Poll

Fundamental Vote: Is It or Isn't It?

May 24, 2005 · Replies 6 · May 25, 2005

Replies: 6

Views: 3K

Rovelli/Perez: Physical Effects of the Immirzi Parameter

May 18, 2005 · Replies 2 · May 25, 2005

Replies: 2

Views: 3K

Immunity to infinitesimal perturbations

May 18, 2005 · Replies 1 · May 25, 2005

Replies: 1

Views: 2K

Another Constraint on Quantum Gravity

Jan 9, 2005 · Replies 34 · May 24, 2005

2

Replies: 34

Views: 7K

Reconstructing the Universe (CDT paper by AJL)

May 17, 2005 · Replies 2 · May 24, 2005

Replies: 2

Views: 3K

Loops 05, this year's big LQG conference

May 9, 2005 · Replies 16 · May 22, 2005

Replies: 16

Views: 4K

Birth of Spacetime in Quantum Gravity

May 20, 2005 · Replies 7 · May 21, 2005

Replies: 7

Views: 3K

Lorentz violations at high energy (the state of testing)

May 12, 2005 · Replies 1 · May 19, 2005

Replies: 1

Views: 2K

John Baez: Stringy Loopy Maths

May 12, 2005 · Replies 1 · May 19, 2005

Replies: 1

Views: 3K

Are There String Theory-Based Methods for Achieving Faster-Than-Light Travel?

Apr 23, 2005 · Replies 2 · May 18, 2005

Replies: 2

Views: 6K

Dopplerian Redshifts: Alternative Cosmological Paradigm?

May 17, 2005 · Replies 2 · May 18, 2005

Replies: 2

Views: 2K

New Bojowald (elements of LQC)

May 12, 2005 · Replies 9 · May 17, 2005

Replies: 9

Views: 3K

Mike (kneemo) paper on hol-flux algebra

May 9, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 2K

Electron mass from DSR (Caveat Lector)

May 17, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 2K

Supersymmetry, Extra Dimensions, and Higgs Bosons

May 8, 2005 · Replies 2 · May 15, 2005

Replies: 2

Views: 3K

Discretizations of Classical and Quantum Gravity: A New Paradigm

May 12, 2005 · Replies 6 · May 12, 2005

Replies: 6

Views: 3K

LOST theorem found (important result for LQG)

May 1, 2005 · Replies 56 · May 12, 2005

2

Replies: 56

Views: 8K

Best CNS paper that I've seen so far

Apr 29, 2005 · Replies 18 · May 12, 2005

Replies: 18

Views: 7K

G. 't Hooft: Holographic Mapping of SM onto Black Hole Horizon, Part I

Apr 25, 2005 · Replies 9 · May 12, 2005

Replies: 9

Views: 3K

Gravity waves not seen on 2nd try (LIGO)

May 8, 2005 · Replies 24 · May 11, 2005

Replies: 24

Views: 5K

Gravitons supposedley transfers gravity between two particles

May 9, 2005 · Replies 17 · May 11, 2005

Replies: 17

Views: 4K

What is the Quantum Limit to Measuring Spacetime Geometry?

May 10, 2005 · Replies 4 · May 11, 2005

Replies: 4

Views: 4K

More Q's on Strings, Branes and parrallel Universe's

May 10, 2005 · Replies 5 · May 10, 2005

Replies: 5

Views: 3K

Alternate univeres right next to each other?

May 3, 2005 · Replies 3 · May 10, 2005

Replies: 3

Views: 2K

What Book Inspired Gabriel Veneziano's Discovery of String Theory?

May 7, 2005 · Replies 6 · May 10, 2005

Replies: 6

Views: 3K

Can We Truly Understand the 3rd Dimension?

Apr 13, 2005 · Replies 15 · May 10, 2005

Replies: 15

Views: 3K

Is the Holonomy-Flux Algebra Generally Hermitian in LQG?

May 9, 2005 · Replies 4 · May 9, 2005

Replies: 4

Views: 2K

Quantum cosmological origin of universe

May 2, 2005 · Replies 1 · May 9, 2005

Replies: 1

Views: 3K

Lubos hurt by pro-science stand against Landscape?

May 1, 2005 · Replies 2 · May 8, 2005

Replies: 2

Views: 2K

LQG, SF: Kicking Tyres, Adding Sawdust, and More

May 5, 2005 · Replies 26 · May 7, 2005

Replies: 26

Views: 4K

Week 214 Finds by John Baez - Golden Ratio, Fibonacci & Quantum Logicians

Apr 26, 2005 · Replies 42 · May 5, 2005

2

Replies: 42

Views: 8K

Unifying GR & QM with Noncommutative Geometry

May 4, 2005 · Replies 3 · May 5, 2005

Replies: 3

Views: 2K

Gravity and Electric Dipole Connections.

Apr 28, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 3K

Upperclassman High Schooler Explores Physics with Experts

May 4, 2005 · Replies 5 · May 4, 2005

Replies: 5

Views: 2K

Motls's Ref Frame Blog - Interesting Insights

May 4, 2005 · Replies 2 · May 4, 2005

Replies: 2

Views: 3K

What is String Theory and Why Should Everyone Care?

May 2, 2005 · Replies 8 · May 3, 2005

Replies: 8

Views: 3K

This is what Baez was talking about earlier

Jan 24, 2005 · Replies 42 · May 2, 2005

2

Replies: 42

Views: 7K

Lubos great kennedy landscape essay

Apr 24, 2005 · Replies 11 · May 1, 2005

Replies: 11

Views: 4K

Have all cheap experiments been exhausted?

Apr 28, 2005 · Replies 5 · May 1, 2005

Replies: 5

Views: 2K

Is a photon akin to a battle ship plowing through the foam

Apr 24, 2005 · Replies 10 · Apr 27, 2005

Replies: 10

Views: 2K

Make out the position of Andromeda

Apr 20, 2005 · Replies 44 · Apr 27, 2005

2

Replies: 44

Views: 5K

Detecting Initial Singularity with Cosmological Tests - Szydlowski et al.

Apr 23, 2005 · Replies 2 · Apr 23, 2005

Replies: 2

Views: 3K

Does Black Hole Entropy Change Instantly or Travel Across the Surface?

Apr 21, 2005 · Replies 23 · Apr 22, 2005

Replies: 23

Views: 5K

Will LQG explain the constants?

Apr 9, 2005 · Replies 91 · Apr 21, 2005

4

Replies: 91

Views: 10K

Dispute between Relativity and String Theory?

Apr 9, 2005 · Replies 10 · Apr 21, 2005

Replies: 10

Views: 6K

Is There a 5th Force in String Theory and What Does it Mean for Space?

Apr 17, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

Views: 3K

Alexander paper - CP and lambda

Mar 27, 2005 · Replies 39 · Apr 18, 2005

2

Replies: 39

Views: 7K

Using the force constant in equations

Jan 7, 2005 · Replies 337 · Apr 15, 2005

12

Replies: 337

Views: 67K

Can Spin Foam Model of LQG Survive High-Energy Particles?

Apr 14, 2005 · Replies 3 · Apr 15, 2005

Replies: 3

Views: 2K

New Alain Connes Paper: Read Now

Apr 11, 2005 · Replies 5 · Apr 13, 2005

Replies: 5

Views: 3K

Discussing Dual Black Holes and RIHC

Apr 6, 2005 · Replies 2 · Apr 13, 2005

Replies: 2

Views: 2K

Feynmann & Lie Superalgebras: Would He Dance?

Apr 5, 2005 · Replies 2 · Apr 12, 2005

Replies: 2

Views: 2K

Gravity & BECs: Can Spacetime be a Condensate? - arXiv:gr-qc/0503067

Apr 10, 2005 · Replies 3 · Apr 11, 2005

Replies: 3

Views: 4K

Uncovering the Mystery of Quantum Foam

Mar 26, 2005 · Replies 60 · Apr 9, 2005

3

Replies: 60

Views: 12K

Bojowald and Ashtekar: Black hole evaporation paradigm

Apr 7, 2005 · Replies 10 · Apr 8, 2005

Replies: 10

Views: 3K

Why should our big bang be the only one?

Apr 6, 2005 · Replies 20 · Apr 8, 2005

Replies: 20

Views: 4K

How Does Particle Scattering Work in Loop Quantum Gravity?

Apr 1, 2005 · Replies 2 · Apr 8, 2005

Replies: 2

Views: 2K

Can strings change frequency or stop vibrating?

Apr 6, 2005 · Replies 7 · Apr 8, 2005

Replies: 7

Views: 3K

How do strings form a perfect electron?

Apr 4, 2005 · Replies 20 · Apr 6, 2005

Replies: 20

Views: 4K

Learning String Theory in high school

Mar 28, 2005 · Replies 17 · Apr 5, 2005

Replies: 17

Views: 5K

Can we transpose the Cambridge Handbook into natural units?

Apr 1, 2005 · Replies 22 · Apr 5, 2005

Replies: 22

Views: 4K

A great post over in General Astronomy

Mar 28, 2005 · Replies 2 · Apr 4, 2005

Replies: 2

Views: 2K

Why not a countably infinite landscape?

Mar 28, 2005 · Replies 2 · Apr 4, 2005

Replies: 2

Views: 2K

A Brand New Idea in Supersymmetry

Apr 1, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Views: 2K

Understand hep-th/0502106: Get Help From Those Who Know It Better

Mar 31, 2005 · Replies 6 · Apr 2, 2005

Replies: 6

Views: 3K

Quantized Space & Lorentz Contraction in Loop Quantum Gravity

Feb 23, 2005 · Replies 13 · Mar 31, 2005

Replies: 13

Views: 5K

Does String Theory Truly Encompass Gravity?

Mar 31, 2005 · Replies 3 · Mar 31, 2005

Replies: 3

Views: 3K

Is Length a Meaningful Concept in Loop Quantum Gravity?

Mar 26, 2005 · Replies 3 · Mar 31, 2005

Replies: 3

Views: 2K

Quantum Gravity: Timeless Events Beyond 10-40s

Mar 28, 2005 · Replies 13 · Mar 31, 2005

Replies: 13

Views: 3K

Is QFT with curved spacetime the key to quantum gravity?

Mar 31, 2005 · Replies 6 · Mar 31, 2005

Replies: 6

Views: 4K

What Are the Implications of the Elegant Universe Theory?

Mar 23, 2005 · Replies 2 · Mar 30, 2005

Replies: 2

Views: 2K

Brian Greene votes with his feet

Mar 22, 2005 · Replies 2 · Mar 29, 2005

Replies: 2

Views: 2K

Brian Greene to be on tonight's (3/22) David Letterman

Mar 22, 2005 · Replies 2 · Mar 29, 2005

Replies: 2

Views: 3K

The rise and fall of the cosmic string theory

Feb 26, 2005 · Replies 4 · Mar 28, 2005

Replies: 4

Views: 3K

Matters of Gravity-Spring issue out today

Mar 21, 2005 · Replies 4 · Mar 28, 2005

Replies: 4

Views: 2K

Theory of everything, what is it?

Mar 2, 2005 · Replies 26 · Mar 28, 2005

Replies: 26

Views: 4K

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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