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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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2012 Gravity essay contest results

May 15, 2012 · Replies 4 · May 21, 2012

Replies: 4

Views: 5K

Limit cycles in asymptotic safety?

May 20, 2012 · Replies 2 · May 21, 2012

Replies: 2

Views: 3K

Twistor question the link holomorphic vector bundles and anti self dual guage

May 19, 2012 · Replies 3 · May 19, 2012

Replies: 3

Views: 3K

M-theory phenomenology - homework exercise

Nov 13, 2010 · Replies 28 · May 18, 2012

Replies: 28

Views: 10K

The four forces that are trying to be unified by TOE?

May 16, 2012 · Replies 2 · May 16, 2012

Replies: 2

Views: 3K

Text book for SU5/GUT theories

May 7, 2012 · Replies 2 · May 15, 2012

Replies: 2

Views: 3K

T'Hooft video talk: Conformal Gravity - BH complementarity

May 14, 2012 · Replies 1 · May 14, 2012

Replies: 1

Views: 4K

Papers to prove and disprove string theory/ M Theory?

May 2, 2012 · Replies 15 · May 14, 2012

Replies: 15

Views: 7K

Dark energy from logarithmic corrections to cosmological horizon entropy?

May 9, 2012 · Replies 9 · May 10, 2012

Replies: 9

Views: 6K

Logarithmic corrections to black hole entropy, especially for the standard model

May 8, 2012 · Replies 23 · May 9, 2012

Replies: 23

Views: 7K

Opinions on the QG ideas in the latest Scientific American?

Apr 18, 2012 · Replies 15 · May 8, 2012

Replies: 15

Views: 6K

Question regarding quantum gravity.

May 4, 2012 · Replies 3 · May 4, 2012

Replies: 3

Views: 3K

Unifying Forces: Mendel Sachs' Theory and its Validity

May 9, 2010 · Replies 27 · Apr 30, 2012

Replies: 27

Views: 14K

Quantum Master Equation in String Theory

Apr 29, 2012 · Replies 4 · Apr 29, 2012

Replies: 4

Views: 5K

Unraveling the Mystery of Cosmic Strings

Apr 7, 2012 · Replies 1 · Apr 27, 2012

Replies: 1

Views: 3K

Causes of loss of interest in String program

Mar 30, 2011 · Replies 357 · Apr 27, 2012

12

Replies: 357

Views: 78K

Question regarding possible extra time dimensions

Apr 25, 2012 · Replies 1 · Apr 26, 2012

Replies: 1

Views: 4K

Boson Charges in E6 and E8 Algebras

Apr 21, 2012 · Replies 10 · Apr 25, 2012

Replies: 10

Views: 6K

Does the Immirzi Parameter Determine Black Hole Entropy in Loop Quantum Gravity?

Mar 23, 2011 · Replies 60 · Apr 25, 2012

3

Replies: 60

Views: 18K

Is string theory just a new math?

Apr 23, 2012 · Replies 6 · Apr 24, 2012

Replies: 6

Views: 4K

Loop Gravity as the Dynamics of Topological Defects

Apr 21, 2012 · Replies 3 · Apr 23, 2012

Replies: 3

Views: 4K

Line defects and String Theory

Apr 1, 2012 · Replies 2 · Apr 23, 2012

Replies: 2

Views: 4K

Rovelli's talk at Perimeter 4/4/12: video online, comment?

Apr 4, 2012 · Replies 49 · Apr 21, 2012

2

Replies: 49

Views: 13K

Why is there a difference between past and future?

Apr 19, 2012 · Replies 3 · Apr 19, 2012

Replies: 3

Views: 3K

What do we want to calculate with quantum gravity?

Apr 18, 2012 · Replies 6 · Apr 19, 2012

Replies: 6

Views: 4K

Mathematics Topics in String Theory

Apr 17, 2012 · Replies 4 · Apr 18, 2012

Replies: 4

Views: 4K

What is the impact of complex phases on neutrino oscillations?

Feb 26, 2011 · Replies 1 · Apr 18, 2012

Replies: 1

Views: 3K

Is string theory really science?

Feb 21, 2012 · Replies 34 · Apr 16, 2012

2

Replies: 34

Views: 14K

Expectation value of Normal ordered Stress-energy tensor

Apr 5, 2012 · Replies 2 · Apr 14, 2012

Replies: 2

Views: 4K

The easiest way to standard model

Apr 5, 2012 · Replies 8 · Apr 14, 2012

Replies: 8

Views: 4K

Uncovering the Role of K in Canonical Variables of Loop Quantum Gravity

Apr 11, 2012 · Replies 4 · Apr 12, 2012

Replies: 4

Views: 4K

What is Graviton-Graviton Scattering in Quantum Theory of Gravity?

Apr 9, 2012 · Replies 2 · Apr 10, 2012

Replies: 2

Views: 4K

Why all these prejudices against a constant? ( dark energy is a fake probem)

Mar 20, 2010 · Replies 123 · Apr 9, 2012

5

Replies: 123

Views: 39K

New papers on NCG and the standard model

Apr 5, 2012 · Replies 4 · Apr 7, 2012

Replies: 4

Views: 4K

GR or QM: which is more 'fundamental'?

Apr 5, 2012 · Replies 3 · Apr 6, 2012

Replies: 3

Views: 4K

Poll

Our picks for first quarter 2012 MIRS (online QG seminar talks)

Mar 28, 2012 · Replies 13 · Apr 5, 2012

Replies: 13

Views: 5K

The Hidden Symmetries of the BKL Limit: From Cosmology to Quantum Gravity

Aug 28, 2010 · Replies 2 · Apr 5, 2012

Replies: 2

Views: 4K

B-L extension of the Standard Model

Apr 5, 2012 · Replies 1 · Apr 5, 2012

Replies: 1

Views: 3K

What Are Spin Networks and Spin Foams?

Mar 20, 2012 · Replies 19 · Apr 4, 2012

Replies: 19

Views: 8K

Meaning of area in the Nambu Goto string action

Apr 4, 2012 · Replies 2 · Apr 4, 2012

Replies: 2

Views: 3K

Gravity of elementary particles

Mar 31, 2012 · Replies 8 · Apr 4, 2012

Replies: 8

Views: 4K

Is the Number of Gods in a Universe Determined by Its Topology?

Apr 3, 2012 · Replies 4 · Apr 4, 2012

Replies: 4

Views: 3K

Does ''Higgs sector'' mean there are many Higgs particle types?

Apr 2, 2012 · Replies 4 · Apr 3, 2012

Replies: 4

Views: 6K

A fascinating solution of the black-hole information problems?

Mar 30, 2012 · Replies 9 · Apr 2, 2012

Replies: 9

Views: 4K

Why Strings Vibrate - Uncertainty Principle & Interactions Explained

Apr 1, 2012 · Replies 5 · Apr 2, 2012

Replies: 5

Views: 6K

Feynmans of geometry: computable trans. amps. by K+Le+P algorithm

Mar 31, 2012 · Replies 1 · Mar 31, 2012

Replies: 1

Views: 3K

If an electron is not a point particle how does current flow

Mar 22, 2012 · Replies 3 · Mar 30, 2012

Replies: 3

Views: 3K

What is quantum theory about? From quanta to M-theory

Mar 28, 2012 · Replies 1 · Mar 28, 2012

Replies: 1

Views: 3K

Why do we assume unitary evolution?

Jul 24, 2011 · Replies 25 · Mar 26, 2012

Replies: 25

Views: 8K

When Einstein knew gravity is geometry and not force

Mar 22, 2012 · Replies 1 · Mar 24, 2012

Replies: 1

Views: 2K

Can Classical Dynamics Lead to Time Crystals?

Mar 23, 2012 · Replies 1 · Mar 24, 2012

Replies: 1

Views: 3K

Is string theory the solution to the problem of infinities in quantum gravity?

Mar 22, 2012 · Replies 4 · Mar 23, 2012

Replies: 4

Views: 3K

Holographic Principle: Quantum Gravity & String Theory

Mar 19, 2012 · Replies 5 · Mar 23, 2012

Replies: 5

Views: 4K

Olaf Dreyer: Internal Relativity Explored

Mar 17, 2012 · Replies 6 · Mar 20, 2012

Replies: 6

Views: 4K

Perturbative and non perturbative vaccum states.

Mar 13, 2012 · Replies 16 · Mar 20, 2012

Replies: 16

Views: 5K

How close to QG now with cellular quantization?

Mar 17, 2012 · Replies 3 · Mar 18, 2012

Replies: 3

Views: 3K

Explain 'bubbles' in cosmological phase transitions

Mar 17, 2012 · Replies 3 · Mar 17, 2012

Replies: 3

Views: 3K

Is there some hint of susy in LQG?

Mar 14, 2012 · Replies 7 · Mar 15, 2012

Replies: 7

Views: 4K

What is the importance of 'out of this world' discussions

Mar 9, 2012 · Replies 8 · Mar 15, 2012

Replies: 8

Views: 3K

Theory of everything vs Godel's incompleteness theorem.

Mar 10, 2012 · Replies 19 · Mar 15, 2012

Replies: 19

Views: 8K

Is QEG's asymptotic safe point an example of self criticality?

Mar 6, 2012 · Replies 8 · Mar 14, 2012

Replies: 8

Views: 3K

How Significant Are Bonzom's Contributions to Loop Quantum Gravity?

Mar 11, 2012 · Replies 1 · Mar 14, 2012

Replies: 1

Views: 3K

Is N = 4 gauge theory on S4 an effective description of topological gravity?

Feb 13, 2012 · Replies 2 · Mar 14, 2012

Replies: 2

Views: 4K

Can Mass/Energy Cause Time Dilation and Gravity?

Mar 12, 2012 · Replies 5 · Mar 14, 2012

Replies: 5

Views: 3K

Why people are still discussing the 4th generation models?

Mar 11, 2012 · Replies 3 · Mar 13, 2012

Replies: 3

Views: 3K

The Mystery of Multiple Infinities

Mar 11, 2012 · Replies 1 · Mar 11, 2012

Replies: 1

Views: 3K

Larger structure than observable universe?

Mar 11, 2012 · Replies 2 · Mar 11, 2012

Replies: 2

Views: 3K

Unruh effect = Hawking effect?

Mar 8, 2012 · Replies 4 · Mar 10, 2012

Replies: 4

Views: 5K

Holographic principle and conservation of energy

Mar 4, 2012 · Replies 5 · Mar 10, 2012

Replies: 5

Views: 4K

Nominations for 1st qtr MIRS poll: Loop+allied QG recorded seminars

Mar 8, 2012 · Replies 1 · Mar 8, 2012

Replies: 1

Views: 4K

Did the OPERA Neutrino Experiment Really Discover Faster-Than-Light Travel?

Mar 7, 2012 · Replies 1 · Mar 7, 2012

Replies: 1

Views: 2K

Godel's theorem, Hawking and GUT

Mar 5, 2012 · Replies 10 · Mar 6, 2012

Replies: 10

Views: 4K

One doubt about string theory.

Mar 4, 2012 · Replies 5 · Mar 5, 2012

Replies: 5

Views: 4K

Possible formula for expressing entropic quantum gravity cosmologically?

Mar 3, 2012 · Replies 1 · Mar 5, 2012

Replies: 1

Views: 3K

Gravitons in Loop Quantum Gravity

Feb 28, 2012 · Replies 32 · Mar 5, 2012

2

Replies: 32

Views: 11K

Experimental Evidence of Quantum Gravity?

Mar 3, 2012 · Replies 7 · Mar 4, 2012

Replies: 7

Views: 4K

Are 10 spatial dimensions necessary for M-Theory?

Feb 29, 2012 · Replies 3 · Mar 2, 2012

Replies: 3

Views: 3K

If no singularity, what’s inside a big black hole?

Apr 5, 2008 · Replies 180 · Mar 2, 2012

7

Replies: 180

Views: 49K

Other Approaches to Quantum Gravity

Feb 29, 2012 · Replies 8 · Mar 1, 2012

Replies: 8

Views: 4K

Is the Standard Model a particle theory or a field theory?

Feb 28, 2012 · Replies 9 · Mar 1, 2012

Replies: 9

Views: 4K

Holographic Universe Interpretation

Feb 23, 2012 · Replies 1 · Feb 27, 2012

Replies: 1

Views: 3K

Constraints, measure and vertex amplitude in LQG

Feb 26, 2012 · Replies 6 · Feb 27, 2012

Replies: 6

Views: 4K

Are There Viable Alternatives to Quantum Field Theory and Second Quantization?

Feb 4, 2012 · Replies 212 · Feb 25, 2012

8

Replies: 212

Views: 39K

Can Elementary Particles Be Considered Small Black Holes?

Feb 24, 2012 · Replies 9 · Feb 25, 2012

Replies: 9

Views: 4K

Renormalization of Quantized GR

Feb 23, 2012 · Replies 6 · Feb 24, 2012

Replies: 6

Views: 3K

Why mass/stress/energy curve Spacetime?

Feb 15, 2012 · Replies 10 · Feb 24, 2012

Replies: 10

Views: 4K

How to find suitable exercises to practice on (in physics geometry) ?

Aug 15, 2010 · Replies 5 · Feb 24, 2012

Replies: 5

Views: 9K

What potential solutions are there for the Hierarchy Problem?

Feb 18, 2012 · Replies 11 · Feb 23, 2012

Replies: 11

Views: 5K

How does Calabi-Yau space blend into ordinary 3-space?

Feb 20, 2012 · Replies 7 · Feb 22, 2012

Replies: 7

Views: 4K

1. the probability of finding any one particular electron on any

Feb 21, 2012 · Replies 1 · Feb 21, 2012

Replies: 1

Views: 2K

Cai Easson avoid eternal inflation , use Higgs to seed structure

Feb 19, 2012 · Replies 2 · Feb 21, 2012

Replies: 2

Views: 4K

Why Do Weaker Forces Couple to More Particles?

Feb 17, 2012 · Replies 6 · Feb 20, 2012

Replies: 6

Views: 3K

What Creates the Strings in String Theory?

Feb 17, 2012 · Replies 6 · Feb 20, 2012

Replies: 6

Views: 6K

Level V universes in Tegmark's mathematical universe hypothesis.

Feb 17, 2012 · Replies 2 · Feb 18, 2012

Replies: 2

Views: 4K

Can LQG Explain the Existence of Branes in Higher Dimensions?

Feb 16, 2012 · Replies 11 · Feb 18, 2012

Replies: 11

Views: 4K

What is Space and Time in String Theory?

Feb 16, 2012 · Replies 1 · Feb 16, 2012

Replies: 1

Views: 4K

What is Moving Dimensions Theory and Its Impact on Physics?

Feb 16, 2012 · Replies 2 · Feb 16, 2012

Replies: 2

Views: 3K

A Perspective on the Landscape Problem (15/2/12)

Feb 15, 2012 · Replies 2 · Feb 16, 2012

Replies: 2

Views: 3K

Studying AdS/CFT: Advice for Beginners with No CFT/SUSY Background

Feb 14, 2012 · Replies 3 · Feb 16, 2012

Replies: 3

Views: 4K

The holometer - experimentally testing the holographic principle?

Oct 25, 2010 · Replies 8 · Feb 14, 2012

Replies: 8

Views: 8K

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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