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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 Conformal gravity vs loop quantum gravity

kodama
Jun 13, 2015 · Replies 2 · Jun 13, 2015

Replies: 2

Graduate Exploring the Quantum Formulation of String Theory

Topolfractal
Jun 10, 2015 · Replies 9 · Jun 13, 2015

Replies: 9

Graduate Phlip Mannheim's conformal theory of everything

mitchell porter
Jun 6, 2015 · Replies 4 · Jun 13, 2015

Replies: 4

Graduate Noether's Theorem and the real world

sweet springs
Jun 10, 2015 · Replies 3 · Jun 10, 2015

Replies: 3

Undergrad Are There Ever Multiple Theories That Fully Explain the Same Phenomenon?

xaratustra
Jun 10, 2015 · Replies 4 · Jun 10, 2015

Replies: 4

Graduate Is there a reversed GKPW for AdS/CFT?

Demystifier
Jun 8, 2015 · Replies 5 · Jun 9, 2015

Replies: 5

Graduate Generating functions and Legendre transforms

Coffee_
Apr 22, 2015 · Replies 17 · Jun 8, 2015

Replies: 17

Graduate Why is Supersymmetry Necessary in String Theory?

"pi"mp
Jun 7, 2015 · Replies 1 · Jun 7, 2015

Replies: 1

Graduate Lagrangian without K.E and any anthromorophic answer

bronxman
Jun 7, 2015 · Replies 7 · Jun 7, 2015

Replies: 7

Graduate What is the recommended resource for learning the basics of AdS/CFT?

Maybe_Memorie
Feb 11, 2015 · Replies 7 · Jun 5, 2015

Replies: 7

Graduate Understanding the Principle of Least Action in Multidimensional Systems

Nick.
Jun 5, 2015 · Replies 2 · Jun 5, 2015

Replies: 2

Graduate Analytical continuation free energy

muzialis
Jun 3, 2015 · Replies 2 · Jun 4, 2015

Replies: 2

Graduate Experimental Limits on Spin-Foam Effects From Quasars

ohwilleke
Jun 3, 2015 · Replies 2 · Jun 3, 2015

Replies: 2

Graduate Seesaw mass matrix and neutrino masses

rruben
Jun 1, 2015 · Replies 2 · Jun 1, 2015

Replies: 2

Graduate Confirm my reasoning on a generating function proof

Coffee_
May 31, 2015 · Replies 2 · Jun 1, 2015

Replies: 2

Graduate Spiral time concept - are there any credible......

awakeandalive
Jun 1, 2015 · Replies 1 · Jun 1, 2015

Replies: 1

Graduate Is Isospin Conversation Required In The Standard Model?

ohwilleke
May 26, 2015 · Replies 4 · Jun 1, 2015

Replies: 4

Graduate Exact solutions of Wheeler–DeWitt & Yamabe Construction

Mar3que
May 19, 2015 · Replies 1 · May 30, 2015

Replies: 1

Graduate Condition for Phase transition

JorisL
May 29, 2015 · Replies 1 · May 29, 2015

Replies: 1

Undergrad Which Books Focus on the Formulation of Differential Equations?

avarmaavarma
May 27, 2015 · Replies 3 · May 29, 2015

Replies: 3

Undergrad Understanding Tensors: A Simplified Approach for Beginners

stabu
May 26, 2015 · Replies 8 · May 29, 2015

Replies: 8

Graduate Poisson equation with a dirac delta source.

Coffee_
May 23, 2015 · Replies 6 · May 29, 2015

Replies: 6

Graduate What is the meaning of local field theory in classical field theory?

spaghetti3451
May 28, 2015 · Replies 2 · May 28, 2015

Replies: 2

Graduate New properties of "standard model effective field theory"

mitchell porter
May 10, 2015 · Replies 7 · May 25, 2015

Replies: 7

Graduate What does it mean to "minimise" an action ?

Cluemore
May 24, 2015 · Replies 6 · May 24, 2015

Replies: 6

Graduate Causality of the wave equation

Coffee_
May 21, 2015 · Replies 4 · May 22, 2015

Replies: 4

Graduate Volume elements of phase space

terra
May 14, 2015 · Replies 2 · May 22, 2015

Replies: 2

Graduate The Role of Hamiltonian Time Dependence in Energy Conservation

Wminus
May 14, 2015 · Replies 7 · May 22, 2015

Replies: 7

Graduate Marginal stabilty in s domain

FrankJ777
May 20, 2015 · Replies 1 · May 22, 2015

Replies: 1

Graduate Magnetic monopoles and Noether theorem

tom.stoer
Mar 30, 2013 · Replies 12 · May 20, 2015

Replies: 12

Graduate Is imaginary time a scientifically serious proposal?

kodama
Apr 18, 2015 · Replies 19 · May 18, 2015

Replies: 19

Graduate New first order Lagrangian for General Relativity

MTd2
May 15, 2015 · Replies 2 · May 16, 2015

Replies: 2

Graduate Has Witten announced his new geometry?

"pi"mp
May 12, 2015 · Replies 2 · May 14, 2015

Replies: 2

Graduate Is Quantum foam a part of string theory?

Pjpic
May 12, 2015 · Replies 3 · May 14, 2015

Replies: 3

Graduate What would it take to fully simulate a physical system?

JamesN
May 13, 2015 · Replies 4 · May 13, 2015

Replies: 4

Graduate What is the physical significance of Poisson brackets?

"Don't panic!"
May 12, 2015 · Replies 3 · May 12, 2015

Replies: 3

Graduate Theoretical vs Experimental Physics

davisthomas
May 10, 2015 · Replies 2 · May 12, 2015

Replies: 2

Graduate Is the Einstein–Cartan theory renormalizable?

itssilva
May 11, 2015 · Replies 1 · May 11, 2015

Replies: 1

Graduate Physics Mathematics and Analogies

jimmylegss
May 10, 2015 · Replies 4 · May 11, 2015

Replies: 4

Graduate What is the most *Fundamental* theory in physics?

Arkadeep
May 11, 2015 · Replies 1 · May 11, 2015

Replies: 1

Graduate Multi-scale entanglement renormalization ansatz Tensor network

kodama
May 10, 2015 · Replies 1 · May 11, 2015

Replies: 1

Graduate The naturalness of the zeon length scale

marcus
May 10, 2015 · Replies 5 · May 10, 2015

Replies: 5

Graduate NS sector and the Numberoperator

moriheru
May 9, 2015 · Replies 5 · May 10, 2015

Replies: 5

Graduate What makes phase space special?

thegreenlaser
May 10, 2015 · Replies 1 · May 10, 2015

Replies: 1

Graduate Action integral: Just a constant?

Wminus
May 7, 2015 · Replies 8 · May 8, 2015

Replies: 8

Graduate Why can't we perceive extra dimensions?

Happiness
May 8, 2015 · Replies 3 · May 8, 2015

Replies: 3

Graduate The 'time oriented coarse graining' hypothesis -- "Rovelli"

John86
Jul 20, 2014 · Replies 41 · May 7, 2015

2

Replies: 41

Graduate Has B-L some role in the mass matrix?

arivero
Apr 19, 2015 · Replies 7 · May 7, 2015

Replies: 7

Graduate Why Don't SUSY Leptons and Quarks Exist Alongside Standard Model Bosons?

orricl
Apr 13, 2015 · Replies 9 · May 7, 2015

Replies: 9

Graduate Is gravity deterministic or probabilistic in String Theory?

Gerinski
May 7, 2015 · Replies 2 · May 7, 2015

Replies: 2

Graduate Does Ads/CFT correspondence apply to LQG Kodama state?

kodama
May 5, 2015 · Replies 2 · May 7, 2015

Replies: 2

Graduate Scalar field energy density and pressure in hot universe

karlzr
May 6, 2015 · Replies 1 · May 6, 2015

Replies: 1

Graduate Why Do String Theory and Fermions Require Different Treatments?

moriheru
May 6, 2015 · Replies 1 · May 6, 2015

Replies: 1

Graduate Before Vectors, was it Components, and Quaternions?

sponsoredwalk
Jan 31, 2010 · Replies 2 · May 6, 2015

Replies: 2

Graduate Unpacking the Controversial EmDrive: Explanations and Implications

newjerseyrunner
May 5, 2015 · Replies 1 · May 5, 2015

Replies: 1

Graduate Hypothetical Shape of a Spacetime and Time Travel

HuskyNamedNala
May 4, 2015 · Replies 12 · May 5, 2015

Replies: 12

Graduate Meaning of "Bundle Connection" in String Theory?

"pi"mp
May 3, 2015 · Replies 5 · May 4, 2015

Replies: 5

Graduate Understanding the Boundary of a Spinfoam and Spin Network in LQG Theory

naima
Apr 29, 2015 · Replies 5 · May 4, 2015

Replies: 5

Graduate Solving Trivial SUSY Questions: Adel Bidal Introduction to SUSY

the_pulp
May 3, 2015 · Replies 3 · May 4, 2015

Replies: 3

Graduate What Is Loschmidt's Paradox and Its Implications for Quantum Mechanics?

Jimster41
May 3, 2015 · Replies 5 · May 3, 2015

Replies: 5

Graduate Is a warp drive possible? How long until we develop one?

GiantSheeps
May 2, 2015 · Replies 1 · May 2, 2015

Replies: 1

Graduate Alain homers with Ali and Slava on base : further thoughts

Jimster41
May 1, 2015 · Replies 5 · May 2, 2015

Replies: 5

Graduate Supersymmetry: Theory and Experiments

itssilva
Apr 26, 2015 · Replies 29 · May 2, 2015

Replies: 29

Graduate In what way is M-Theory different from Loop Quantum Gravity?

nuclearhead
Apr 29, 2015 · Replies 1 · May 1, 2015

Replies: 1

Graduate Relating Behaviour of a Driven System to the Undriven Modes

PGPhys
May 1, 2015 · Replies 1 · May 1, 2015

Replies: 1

Graduate If Superstring theory is not a TOE what is it?

nuclearhead
Apr 30, 2015 · Replies 11 · Apr 30, 2015

Replies: 11

Graduate Is there a holographic principle in loop quantum gravity?

kodama
Apr 21, 2015 · Replies 5 · Apr 29, 2015

Replies: 5

Graduate Local measurement of the Vacuum Energy?

friend
Apr 29, 2015 · Replies 3 · Apr 29, 2015

Replies: 3

Graduate What Are the Essentials for Starting Conformal Field Theory Studies?

Fedecart
Oct 28, 2013 · Replies 3 · Apr 29, 2015

Replies: 3

Graduate LQG is not proved to be locally lorentz invariant. (Bee)

MTd2
Apr 28, 2015 · Replies 4 · Apr 28, 2015

Replies: 4

Graduate Constant Scalar Field: Meaning & Relationship to Surface S

whatisreality
Apr 28, 2015 · Replies 1 · Apr 28, 2015

Replies: 1

Graduate Does h-bar change in gravitational waves?

friend
Apr 25, 2015 · Replies 18 · Apr 26, 2015

Replies: 18

Graduate Why can the Jacobian represent transformations?

Coffee_
Apr 26, 2015 · Replies 2 · Apr 26, 2015

Replies: 2

Graduate If SUSY is found, is String Theory the expected why?

Jimster41
Apr 22, 2015 · Replies 8 · Apr 25, 2015

Replies: 8

Graduate Four-Dimensional Entropy from Three-Dimensional Gravity

kodama
Apr 24, 2015 · Replies 11 · Apr 25, 2015

Replies: 11

Graduate Smolin's Octopus: Bridging the Standard Model and LQG?

MTd2
Apr 24, 2015 · Replies 1 · Apr 24, 2015

Replies: 1

Graduate Does the Planck Unit of Time Support Julian Barbour's Theory on the End of Time?

Rajkovic
Apr 23, 2015 · Replies 2 · Apr 23, 2015

Replies: 2

Graduate Evidence Against String Theory? Paper

Psip
Apr 15, 2015 · Replies 22 · Apr 20, 2015

Replies: 22

Graduate Got asked, "Why does there 'need' to be a UFT"

Cake
Mar 19, 2015 · Replies 35 · Apr 20, 2015

2

Replies: 35

Graduate How did the Poisson brackets get derived, and from what.

houlahound
Apr 18, 2015 · Replies 1 · Apr 18, 2015

Replies: 1

Graduate How to drop terms in a Lagrangian?

Dixanadu
Apr 20, 2013 · Replies 16 · Apr 18, 2015

Replies: 16

Graduate What is String Theory? | Stringtheory

wilson
Apr 17, 2015 · Replies 1 · Apr 17, 2015

Replies: 1

Graduate Is This Theoretical Physics Book Easy to Learn?

harman
Apr 17, 2015 · Replies 1 · Apr 17, 2015

Replies: 1

Graduate A Physical Situation Which Physics Rules Collapse

Quarlep
Apr 17, 2015 · Replies 6 · Apr 17, 2015

Replies: 6

Graduate Is Loop Quntuam gravity plausible formulation of quantum gravity

kodama
Apr 16, 2015 · Replies 27 · Apr 16, 2015

Replies: 27

Graduate Why Does the Lagrangian Depend on Time and Position?

acegikmoqsuwy
Apr 11, 2015 · Replies 5 · Apr 15, 2015

Replies: 5

Graduate Why isn't Landau credited as an author in Vol 4?

Maurice7510
Apr 14, 2015 · Replies 6 · Apr 14, 2015

Replies: 6

Graduate Green's function + method of images

MMS
Apr 11, 2015 · Replies 3 · Apr 14, 2015

Replies: 3

Graduate Understanding the Euler Lagrange Equation and Its Boundary Condition

TimeRip496
Apr 13, 2015 · Replies 4 · Apr 14, 2015

Replies: 4

Graduate A firewall confusion related to disentangling the vacuum

S.Daedalus
Apr 9, 2015 · Replies 2 · Apr 13, 2015

Replies: 2

Graduate How many orthogonal spins can an object have?

onethatyawns
Apr 12, 2015 · Replies 7 · Apr 12, 2015

Replies: 7

Graduate How quantizable matter gravitates

friend
Apr 1, 2015 · Replies 8 · Apr 12, 2015

Replies: 8

Graduate Born-Oppenheimer applied to quantum geometry

marcus
Apr 10, 2015 · Replies 2 · Apr 12, 2015

Replies: 2

Graduate Are Constraints Necessary in Hamiltonian Dynamics?

oldspice1212
Apr 10, 2015 · Replies 2 · Apr 11, 2015

Replies: 2

Graduate Lagrangian invariance, short question

Coffee_
Apr 7, 2015 · Replies 16 · Apr 10, 2015

Replies: 16

Graduate String Theory Instantaneous Teleportation

philipp2020
May 19, 2013 · Replies 6 · Apr 9, 2015

Replies: 6

Graduate Smolin: Extending dualities to trialities (deepens dynamics)

marcus
Mar 4, 2015 · Replies 52 · Apr 9, 2015

2

Replies: 52

Graduate Lack of physical understanding of Noether's theorem

Coffee_
Apr 7, 2015 · Replies 10 · Apr 8, 2015

Replies: 10

Graduate Alternative Ways of Decreasing Entropy in CCC

twistor
Mar 31, 2015 · Replies 2 · Apr 6, 2015

Replies: 2

Graduate Extra Dimensions: Lorentz Covariance, String Theory, Symmetries & More

Khashishi
Mar 26, 2015 · Replies 2 · Apr 6, 2015

Replies: 2

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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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