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 Might be a string theory Question
- fusaliker
- · Replies 3 ·
Graduate Carlip's talk at Berkeley string seminar (featured results CDT et al)
- marcus
- · Replies 1 ·
Graduate Cosmological footprints of LQG (Aurelien Barrau and Julien Grain)
- marcus
- · Replies 1 ·
Undergrad What is the fourth variable in the 4th dimension?
- Luongo
- · Replies 2 ·
Graduate Some questions about Randall Sundrum model
- maani
- · Replies 2 ·
Graduate Computing divergence of r̂/r² in Cartesian coordinates
- shaun_chou
- · Replies 1 ·
Graduate Matter wave, light wave and water wave
- Quantum River
- · Replies 5 ·
Graduate What is gravity according to string theory?
- ensabah6
- · Replies 7 ·
Graduate Corfu School starts next week, what can we learn from the lineup?
- marcus
- · Replies 2 ·
Graduate Gamma Rays Photons Slower?(Quantum Foam)
- sanman
- · Replies 13 ·
Graduate Why singularities do not exist
- Dmitry67
- · Replies 3 ·
Graduate Classical limit of electroweak boson fields
- Antiphon
- · Replies 6 ·
Graduate Questions to ask at Emergent Gravity IV conference
- jal
- · Replies 37 ·
Graduate Witten remains a strong string theory believer
- ensabah6
- · Replies 48 ·
Graduate The structure of quantum geometry of spacetime at the Planck scale
- uno1
- · Replies 17 ·
Where Can I Find the Missing Arxiv Paper hep-th/9312153?
- luxxio
- · Replies 3 ·
Graduate Thought Experiment: Earth Becomes Incredibly Massive
- katiefa
- · Replies 9 ·
Graduate What is the connection between DeSitter group SO(4,1) and Minkowski spacetime?
- marcus
- · Replies 92 ·
Graduate Deriving Hamiltonian for 2-DoF Aero-Elastic System
- thrillhouse86
- · Replies 5 ·
Graduate Is there a limit to the information contained within the Planck scale?
- Naty1
- · Replies 3 ·
Graduate Could Space Be Quantised to Create Different Travel Paths?
- qbit
- · Replies 9 ·
Graduate Electromagnetism=gravity in higher dimensions
- kashiark
- · Replies 1 ·
Graduate What if TOE is non-analytic ?
- Dmitry67
- · Replies 10 ·
Graduate Could gravity be residual strong force?
- cuallito
- · Replies 1 ·
Graduate Does Mannheim's approach solve the cosmological constant problem?
- hakkai
- · Replies 4 ·
Graduate Can Gravity Escape Higher Dimensions in String Theory?
- wendten
- · Replies 6 ·
Graduate Krasnov action-start of a new spinfoam?
- marcus
- · Replies 6 ·
Graduate Time Independence: Modeling the Physical World
- Hippasos
- · Replies 4 ·
Graduate The shape of space-time and physical constants
- rgatess
- · Replies 1 ·
Graduate Are inflation and GUT energy scales identical or model-dependent?
- Jim
- · Replies 4 ·
Graduate Are strings themselves manifolds or do they vibrate in a manifold?
- vasantharam
- · Replies 2 ·
Undergrad Is the relativistic mass formula F=m₀a/√(1-v²/c²) correct?
- ShayanJ
- · Replies 7 ·
Graduate Ferrohydrodynamics and magnetohydrodynamics
- souviktor
- · Replies 1 ·
Graduate Marcolli Pierpaoli: Early Universe models from Noncommutative Geometry
- marcus
- · Replies 14 ·
Graduate Wheeler-deWitt equation; creation ex nihilo
- tickle_monste
- · Replies 3 ·
Graduate An issue with time and how we fit in
- Victor.Nyeste
- · Replies 3 ·
Graduate Smolin and Speziale's unification of gravity, gauge interactions and Higgs bosons
- marcus
- · Replies 15 ·
Graduate Learning N=4 SYM for the Uninitiated
- negru
- · Replies 2 ·
Graduate Correct Type IIA supergravity action
- Ygor
- · Replies 1 ·
Graduate GRB 090510's 31 GeV photon restricts Lorentz violation above Planck mass
- MTd2
- · Replies 199 ·
Graduate Important AsymSafe QG development
- marcus
- · Replies 16 ·
Graduate Is spacetime a physical entity?
- Naty1
- · Replies 23 ·
Graduate Programmes that calculate dimensionality
- friend
- · Replies 12 ·
Graduate New TOE announced by Smolin, Spezile and *Garrett Lisi
- MTd2
- · Replies 2 ·
Graduate Back to the real world re Lorentz bending
- marcus
- · Replies 16 ·
Graduate How many string theories with more than one supersymmetry?
- MTd2
- · Replies 32 ·
Graduate A few questions about perturbation and string theory
- QuantumKitty
- · Replies 2 ·
Graduate Is spacetime in string theory 4D or 12D?
- ensabah6
- · Replies 2 ·
Graduate Does the canonical partition function equal e^-βF?
- Petar Mali
- · Replies 9 ·
Graduate Why is N=8 supergravity in four dimensions maximal?
- isospin
- · Replies 4 ·
Graduate Senovilla's Slowing Time Theory
- Meatbot
- · Replies 19 ·
Undergrad Which are the constants needed for the universe to exist?
- redphoton
- · Replies 2 ·
Graduate Why Are Planck Mass and Energy Not Considered Extreme?
- Dmitry67
- · Replies 1 ·
Graduate Conformal invariance / reparametrization invariance
- buddychimp
- · Replies 4 ·
Graduate What Are the Symmetries of the Nambu-Goto Action in String Theory?
- CompuChip
- · Replies 5 ·
Graduate Supergeometry and applications in physics
- MathematicalPhysicist
- · Replies 1 ·
Graduate Leading models for building realistic SM from Strings.
- crackjack
- · Replies 4 ·
Graduate Are Hidden Variables Essential for Understanding Quantum Gravity?
- SimonA
- · Replies 19 ·
Graduate Gauge fixing in 5D vs 4D, and photon polarization
- kuon
- · Replies 1 ·
Graduate Simple explanation of what string theory is about
- bondinthesand
- · Replies 34 ·
Graduate Algebraic string formulation in loop quantum gravity context
- marcus
- · Replies 1 ·
Graduate Accelerating universe alternative
- MikeBeer
- · Replies 4 ·
Graduate Why does the Calabi-Yau manifold appear duplicated at each point in space?
- phoenix5002
- · Replies 30 ·
Graduate The new spinfoam and strings as only game in town
- ensabah6
- · Replies 7 ·
Graduate String Theory: Get Rundown on The Elegant Universe
- Nickriener
- · Replies 5 ·
FQXi 2009 talks now on their site.
- MTd2
- · Replies 3 ·
Graduate Triply Special Relativity is the Max
- marcus
- · Replies 11 ·
Graduate Fractal dynamics(quantum geometry)
- Finbar
- · Replies 5 ·
Graduate Resolution of the black hole information paradox
- physicslover2
- · Replies 2 ·
Graduate Physics does not end at singularities (Abhay at MG12)
- marcus
- · Replies 1 ·
Graduate Why Archimedes' death ray failed for practical, not theoretical reasons
- russ_watters
- · Replies 14 ·
Graduate New Trends in Quantum Gravity II
- ccdantas
- · Replies 2 ·
Graduate Eyo Ita, Randono, Kodama state progress?
- ensabah6
- · Replies 8 ·
Graduate Is There a Flaw in the Argument Against Laraudogoitia's Supertask?
- Steely Dan
- · Replies 3 ·
Graduate How Does Bianchi's Paper Impact the Understanding of Loop Quantum Gravity?
- marcus
- · Replies 0 ·
Graduate Can string theory be validated by reproducing known QM and GR predictions?
- SW VandeCarr
- · Replies 30 ·
Graduate The recent makeup of topcited Loop/Spinfoam research (window on current work)
- marcus
- · Replies 0 ·
Graduate Formation of Naked Singularities
- Itai Blank
- · Replies 11 ·
Graduate Topological Unification of M-theory and LQG?
- selfAdjoint
- · Replies 6 ·
Graduate Laboratory experiments to test general relativity
- wolram
- · Replies 2 ·
Graduate Videos from Planck Scale conference now online
- marcus
- · Replies 12 ·
Undergrad Can Black Holes Absorb Massless Light?
- Truthlover
- · Replies 2 ·
Graduate What does 'Coulomb branch' mean?
- isospin
- · Replies 1 ·
FQXi essay contest: What's ultimately possible in physics?
- MTd2
- · Replies 51 ·
Graduate Is Gravity Weaker than Other Fundamental Forces?
- jbutcher
- · Replies 13 ·
Graduate Does zero arc length mediation of EM cause the wavefunction
- Bobby Weardal
- · Replies 1 ·
Graduate Why do gravity and E&M appear so similar in classical physics?
- michael879
- · Replies 12 ·
Graduate LQG discreteness no conflict with Lorentz contraction
- marcus
- · Replies 23 ·
Graduate What is the rationale behind gravitons?
- Eelco
- · Replies 70 ·
Graduate Steve Carlip on dimensional reduction at Planck scale
- marcus
- · Replies 58 ·
Graduate How do gravitons produce equal inertial and gravitational mass?
- werty
- · Replies 18 ·
Graduate Weinberg shows support for 3+1 gravitational assymptotic safety
- MTd2
- · Replies 6 ·
Graduate Do extra dimensions in string theory correspond to particle properties?
- IqbalGomar
- · Replies 70 ·
Graduate Is string theory an approximation to QFT?
- Finbar
- · Replies 7 ·
Graduate Solution to Laplace's equation in spherical co-ordinates
- jdmo
- · Replies 1 ·
Graduate Parallel universe : Anything that can happen will happen
- aaryan0077
- · Replies 1 ·
Graduate Marcel Twelve redefines mainstream
- marcus
- · Replies 3 ·
Graduate Role of minimal CFT in string theory beyond toy models
- crackjack
- · Replies 8 ·
Graduate String and pair creation/annihilation
- touqra
- · Replies 4 ·
Graduate Why does Stephen Hawking omit all mention Loop Gravity?
- ensabah6
- · Replies 61 ·