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.
Threads
Graduate What are action-angle variables and how do they relate to coordinates?
- LarryS
- · Replies 1 ·
Graduate Why don't observers agree on when strings annihilate?
- Libohove90
- · Replies 6 ·
Graduate Can Photons and Inertial Mass Unlock Time Travel Possibilities?
- Tell
- · Replies 1 ·
Graduate Observational Loop QG-your opinion.
- marcus
- · Replies 20 ·
Graduate Major developments LQG a look back 1998-2009
- ensabah6
- · Replies 7 ·
Graduate Does Lagrangian Mechanics Violate Causality?
- Heirot
- · Replies 4 ·
Graduate How Do Quantum Strings Vibrate and Stay Confined in Dimensions?
- Pjpic
- · Replies 6 ·
Graduate Wetterich's derivation of QM from classical
- marcus
- · Replies 8 ·
Graduate LQG developments expected in 2009 and LQC connections
- marcus
- · Replies 10 ·
Graduate What do stringy people find interesting about LQG?
- marcus
- · Replies 10 ·
Graduate If someone says something about a fourth-order approximation, does that mean ?
- AxiomOfChoice
- · Replies 1 ·
Graduate What is Oz and the Emerging Quantum Gravity Research in Australia?
- marcus
- · Replies 3 ·
Graduate Why do stringy people don't like LQG?
- tom.stoer
- · Replies 49 ·
Graduate How Does Unimodular Gravity Influence Modern Quantum Gravity Theories?
- marcus
- · Replies 2 ·
Graduate Near term observ. constraints on QG dispersion
- marcus
- · Replies 0 ·
Relaxed informative Witten interview of June 18 at Cern
- marcus
- · Replies 21 ·
Graduate If they are real, what exactly do gravitons do?
- kashiark
- · Replies 62 ·
Graduate Current status of twistor theory
- tom.stoer
- · Replies 5 ·
Graduate Refereed publications on Loop/Canonical QG
- ccdantas
- · Replies 14 ·
Graduate Evolving law, Smolin and others
- Fra
- · Replies 53 ·
Graduate Who are the most respected research groups in QG now?
- Azrael84
- · Replies 41 ·
High School Can Negating Inertia Grant Special Abilities?
- Coolout
- · Replies 2 ·
Graduate Zeta regularization for UV divergences ?
- zetafunction
- · Replies 1 ·
Graduate How Does Rovelli's Quantum GR Limit Relate to DSR?
- marcus
- · Replies 17 ·
Graduate Hidden dimensions of string theory hiding in 4D spacetime?
- Spinnor
- · Replies 7 ·
Graduate Do antimatter and negative mass experience gravity differently?
- joychandra
- · Replies 34 ·
Graduate Difference between Field and Fluid
- raknath
- · Replies 3 ·
Graduate Going Beyond LQG: how to define QFT over Loops?
- MTd2
- · Replies 33 ·
Graduate Quantum gravity vs. general relativity
- kashiark
- · Replies 35 ·
Graduate Does coordinate system = gauge ?
- blenx
- · Replies 1 ·
SUSY 2009 conference at Northeastern University
- arivero
- · Replies 1 ·
Graduate Are 3-vectors Defined by Their Transformation Properties?
- Heirot
- · Replies 3 ·
Graduate Statistical moments and multipole moments
- Meta Mass
- · Replies 1 ·
Graduate Gravity Essay Contest Results in; amateur recognized
- CarlB
- · Replies 12 ·
Graduate How far does an object traveling slower than light travel in the same distance?
- atomicgrenade
- · Replies 13 ·
Graduate What If the North Pole Were Contained Within the LHC at CERN?
- chrisdosnags
- · Replies 6 ·
Graduate Gambini and Pullin on quantum clocks and decoherence
- Coin
- · Replies 38 ·
Graduate Is there a way to add a time parameter to see how the system evolves over time?
- lachelimbo
- · Replies 5 ·
Graduate Why do physical laws always feature integer indices?
- parsec
- · Replies 15 ·
Graduate How Does Geometry Clarify the Concept of Gauge Fields in Physics?
- jdstokes
- · Replies 4 ·
Graduate Should Wendelin Werner Be Considered a Physicist Fields Medalist?
- ExactlySolved
- · Replies 1 ·
Graduate Quantizing unimod GR and solving the cosmo constant problem
- marcus
- · Replies 12 ·
Graduate WHY dimensional regularization does not work for Gravity ?
- zetafunction
- · Replies 20 ·
Graduate What Is Energy: Physical Reality or Mathematical Construct?
- r16
- · Replies 39 ·
Graduate Self-dual black holes in LQG and ultra-high-energy cosmic rays
- MTd2
- · Replies 14 ·
Graduate Questions about some basic conceptions
- isospin
- · Replies 1 ·
Graduate Why embedding the Standard Model in E8 cannot give a theory of everything
- MTd2
- · Replies 28 ·
Graduate What is this new research program about?
- tom.stoer
- · Replies 13 ·
Graduate Freidel, Krasnov and Livine hints of Sring Theory in LQG
- MTd2
- · Replies 1 ·
Graduate Could you have BOTH mirror matter and supersymmetry?
- ensabah6
- · Replies 7 ·
Graduate Where can we go with Relational QM?
- ConradDJ
- · Replies 11 ·
Undergrad Definitions of the Lagrangian and the Hamiltonian
- Rasalhague
- · Replies 12 ·
Graduate Torsion in GR and QG from fermions?
- tom.stoer
- · Replies 10 ·
Graduate Can String Theory Predict the Mass of Leptons?
- Stratos
- · Replies 10 ·
Graduate Information Causality: A New Physical Principle by M. Pawlowski et al.
- MTd2
- · Replies 6 ·
Graduate Free Parameters In String Theory
- RoKo
- · Replies 12 ·
Graduate Relativity from Quantum Entanglement: A Quantum Model for the Universe
- MTd2
- · Replies 1 ·
Graduate Manifold Questions: Particle Interaction vs Element Separation
- frankinstein
- · Replies 4 ·
Graduate Kaluza-Klein derivation of SU(3)×U(1) theory from D=9 supergravity
- arivero
- · Replies 13 ·
Graduate Loop Quantum Gravity Resources
- SuperStringboy
- · Replies 17 ·
Graduate Center of mass and center of energy
- gravityandlev
- · Replies 2 ·
Graduate Perimeter gets Loll to teach 3-week QG minicourse
- marcus
- · Replies 3 ·
Graduate Electromagnetic force in the fourth spatial dimension?
- sponsoredwalk
- · Replies 1 ·
Graduate Nature of quantum theory of gravity.
- arroy_0205
- · Replies 26 ·
Graduate Something special about four dimensions?
- tom.stoer
- · Replies 18 ·
Graduate Setting hbar = c = 1 how can you just do that?
- AxiomOfChoice
- · Replies 9 ·
Graduate Can Black Holes Have Hair in Higher Dimensions?
- kuon
- · Replies 9 ·
Graduate Why are complex numbers important in physics?
- Jamma
- · Replies 9 ·
Graduate Some basic questions regarding LQG
- tom.stoer
- · Replies 17 ·
Graduate About the notation OSP(8|4) etc.
- isospin
- · Replies 3 ·
Graduate Physical phenomena with complex number solution
- sujoykroy
- · Replies 10 ·
Graduate Nice LQG paper by Modesto about dimension down with scale
- marcus
- · Replies 5 ·
Graduate General Relativity + Quantum Mechanics?
- um0123
- · Replies 25 ·
Graduate Background independence in string theory
- tom.stoer
- · Replies 19 ·
Graduate What Are the Best Introductory Resources on Conformal Field Theory?
- malawi_glenn
- · Replies 5 ·
Graduate No need for dark matter, dark energy, MONDS, ect, nothing exotic?
- MTd2
- · Replies 33 ·
Graduate Do you have any recommendation of book involving mathematical physcis?
- good_phy
- · Replies 3 ·
Graduate No infinite gravitation in string theory?
- Eolill
- · Replies 2 ·
Graduate Can SU(3) be visualized with three belts?
- Franca.Jones
- · Replies 9 ·
Graduate Disproofs of Bell, GHZ, and Hardy Type Theorems and the Illusion of Entanglement
- Tony_Jones
- · Replies 3 ·
Graduate When is quantum gravity theory appropriate?
- carl
- · Replies 15 ·
Graduate Layman's understanding of interactions in string theory
- Sheyr
- · Replies 7 ·
Graduate Only e-, e+, photons. String theory more simple?
- Spinnor
- · Replies 2 ·
Graduate Why masons can be massless but their composite quark and antiquark both massive?
- Osiris
- · Replies 6 ·
Graduate Looking for a Veneziano paper
- Reedeegi
- · Replies 5 ·
Graduate Simple Derivation of Euler-Lagrange Equations
- dx
- · Replies 21 ·
Graduate Lagrange multipliers and variation of functions
- jackiefrost
- · Replies 5 ·
Graduate Gravity Waves and Superconductors (Raymond Chiao)
- sanman
- · Replies 16 ·
Graduate Can weak gravity come from long-wavelength gravitons in the Unruh effect?
- Dmitry67
- · Replies 7 ·
Graduate Any Lattice Model for String Theory?
- Osiris
- · Replies 1 ·
Graduate From String theory to QFT & SM: What does AdS/CFT theory can do and what cann't do?
- Osiris
- · Replies 11 ·
Graduate Standard Model fermions as 12 Weyl-Majorana spinors of 8 DoF
- arivero
- · Replies 46 ·
Graduate Understanding How the Hubble Re-Orients: The Mathematics Behind It
- zankaon
- · Replies 1 ·
Graduate Why does string theory use dimensions rather than shape to explain particle interactions?
- Pjpic
- · Replies 1 ·
Graduate Does the Higgs field relate to gravity?
- Carid
- · Replies 9 ·
Graduate Can you extend the Standard Model symmetry group to U(1)×SU(2)×SU(3)×...×SU(N)?
- MTd2
- · Replies 11 ·
Graduate Are there evidences of a discrete space-time
- zetafunction
- · Replies 27 ·
Graduate Cancellation of vacuum energy in Wess-Zumino model
- nrqed
- · Replies 0 ·
Graduate How Does M Theory Necessitate Gravity in the Standard Model?
- orthovector
- · Replies 7 ·