Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.
Threads
Graduate So at what direction do Quarks spin ?
- phy_freak
- · Replies 1 ·
Graduate Solving schrodinger equation for quarkonium
- nasibaba
- · Replies 4 ·
Graduate Understanding the Hellman-Feynman Theorem
- Derivator
- · Replies 11 ·
Graduate My derivation of the Shrodinger Equation
- triclon
- · Replies 16 ·
Graduate Why the electromagn potential obeys Callan-Symazik equa like Green Function?
- ndung200790
- · Replies 2 ·
Graduate Does quantum mechanics say everything is random?
- SeventhSigma
- · Replies 3 ·
Graduate Srednicki 43.10: Minus Sign Explained
- Lapidus
- · Replies 2 ·
Graduate Information's relation to Time and Mass
- hankaaron
- · Replies 10 ·
Graduate Things that self collapse or self measure
- rodsika
- · Replies 9 ·
Graduate The role of probability in Quantum Physics
- MannyP2011
- · Replies 2 ·
Undergrad Photoelectric Effect: Insufficient Energy Collision
- Manula
- · Replies 5 ·
Graduate Entanglement and decoherence: middle-brow treatment?
- bcrowell
- · Replies 2 ·
Graduate Spin of a proton from its parts.
- Spinnor
- · Replies 7 ·
Graduate The role of probability in Quantum Physics
- MannyP2011
- · Replies 1 ·
Graduate Quantum view of gravitational waves
- willaers
- · Replies 1 ·
Graduate Calculation of particle life span
- ribbie
- · Replies 1 ·
Graduate Time derivative of schrodinger equation
- geet89
- · Replies 2 ·
Graduate Using the double slit experiment to predict our own actions
- fendur2
- · Replies 2 ·
Graduate Huygens-Fresnel Principle in QM
- Infrasound
- · Replies 1 ·
Graduate How QTF Theory solves the infinite electromagn selfenergy of electron?
- ndung200790
- · Replies 2 ·
Graduate Tunneling probability and higher order terms in WKB method
- FunkyDwarf
- · Replies 2 ·
Graduate What is the sense of Ehrenfest time?
- mclaudt
- · Replies 2 ·
Undergrad How Many Spectral Lines are Produced During Electron Transitions in Hydrogen?
- vkash
- · Replies 5 ·
Graduate Interference between different kinds of particles
- id the sloth
- · Replies 13 ·
Graduate Connection between Free Energy and Action
- physengineer
- · Replies 2 ·
Graduate Visualizing Photons: Wavefunctions, Frequency, and More
- Infrasound
- · Replies 9 ·
Graduate Understanding Negative Quantum States: A Simplified Explanation by Dirac
- NEILS BOHR
- · Replies 5 ·
Graduate Iterated dimensional regularization
- zetafunction
- · Replies 2 ·
Graduate Quantum Fluctuations of Fields: Vacuum Explained
- Lapidus
- · Replies 3 ·
Graduate What is the significance of neutron interference in the neutron drop experiment?
- cragar
- · Replies 4 ·
Graduate What Keeps Electrons Stable in Higher Energy Levels Despite Their High Energy?
- quantizedzeus
- · Replies 10 ·
Graduate Hydrogen atom in ground state: some puzzle
- M@2
- · Replies 11 ·
Graduate Renormalisation group - Which critical points are usefull in a RG flow diagram?
- IFNT
- · Replies 1 ·
Graduate Negative Resistance in Resonant Tunneling
- NanoControl
- · Replies 1 ·
Graduate The interference term. Confused.
- LostConjugate
- · Replies 4 ·
Graduate Electron Energies in Atoms: Fixed Values or Expectation Values?
- RNA
- · Replies 3 ·
Graduate Could hidden dimensions help hidden variable theories ?
- Spinnor
- · Replies 5 ·
Graduate May I suggest an experiment concerning negative energy?
- Negeng
- · Replies 15 ·
Graduate Can you move particles by cooling them?
- Negeng
- · Replies 8 ·
Graduate Why are observables represented by operators in Hilbert space?
- Lostinthought
- · Replies 8 ·
Graduate What causes particles to become Quantum Entangled?
- MegaDeth
- · Replies 1 ·
Graduate Understanding the Multiverse: A Scientific Perspective on Parallel Universes
- Nano-Passion
- · Replies 4 ·
Graduate Half-Silvered Mirrors Inverting Photon Waves
- SamsonDelilah
- · Replies 2 ·
Undergrad Angular Momentum of Bird Question
- jlancha1
- · Replies 1 ·
Graduate Can Creation and Annihilation Operators Solve the Hydrogen Atom Problem?
- crawf_777
- · Replies 7 ·
Graduate The GRW Flash Theory and the Conway-Kochen ‘Free Will’ Theorem
- peteb
- · Replies 1 ·
Graduate Macro objects and superposition of states
- entropy1
- · Replies 5 ·
Graduate Some problems about Quantum tunnelling
- ShayanJ
- · Replies 2 ·
Graduate Mechanism for FTL information exchange.
- superpaul3000
- · Replies 13 ·
Graduate Are space and time really quantized?
- dylankarr.com
- · Replies 4 ·
Graduate Is the Elitzur-Vaidman bomb problem based on incorrect assumptions?
- SamsonDelilah
- · Replies 1 ·
Graduate Construction of Hamiltonian from Casimir operators
- metroplex021
- · Replies 9 ·
Undergrad Probability and Areas Around Atomic Nuclei
- Infrasound
- · Replies 10 ·
Graduate 'Quantum Magic' Without Any 'Spooky Action at a Distance'
- bugatti79
- · Replies 3 ·
Graduate Can/do relativistic effects explain select quantum phenomena
- San K
- · Replies 2 ·
Graduate What exactly is electron spin?
- jobsism
- · Replies 32 ·
Graduate What happens when a photon meets a virtual photon of the same wavelength?
- BernieM
- · Replies 13 ·
Graduate WHY stationary things START falling: an informal 'quantum' gravity suggestion
- danR
- · Replies 14 ·
Graduate Proving the Pauli Matrices Solution for a Given Relation | Help Needed
- McLaren Rulez
- · Replies 10 ·
Graduate Derivation of creation and annihilation operator commutation relations
- carranty
- · Replies 1 ·
Graduate Do photons interact with neutrons?
- exmarine
- · Replies 2 ·
Graduate State space, beginner's question
- Rasalhague
- · Replies 4 ·
Graduate How do you explkain the difference of labels and dynamical variable?
- kof9595995
- · Replies 3 ·
Graduate No non-locality after all in QM?
- StevieTNZ
- · Replies 5 ·
Undergrad Some simple? questions on miscellaneous things?
- Scalymanfish
- · Replies 2 ·
Graduate What is the Measurement Problem in Quantum Mechanics?
- sciboudy
- · Replies 11 ·
Graduate Which properties of the quantum are random?
- San K
- · Replies 14 ·
Graduate Coupling Using Theta as a Boundary
- Goldstone1
- · Replies 1 ·
Graduate Stationary States: Differential Equations Issues
- Elwin.Martin
- · Replies 4 ·
Graduate Communication systems and entanglement
- UChr
- · Replies 57 ·
Graduate Do planck frequency photons form near black holes?
- kmarinas86
- · Replies 3 ·
Undergrad Quanta/s vs Einstein/s. what is the difference?
- eooxx
- · Replies 2 ·
Graduate Are the Lagrangians in Mandl & Shaw 5.1 Equivalent Without Lorentz Gauge?
- jdstokes
- · Replies 2 ·
Graduate Proof: Operators with same expectation value
- FaradayCage
- · Replies 3 ·
Graduate Question about wave function collapse
- lovenugget
- · Replies 15 ·
Graduate Understanding 1. single photon and 2. entanglement states
- San K
- · Replies 5 ·
Graduate Other (wave) state still there after collapse?
- San K
- · Replies 11 ·
Undergrad Thermal Radiation v Absorption of Light
- mike.rablins
- · Replies 2 ·
Graduate Single photon interference time threshold (double slit experiment)
- my_wan
- · Replies 11 ·
Graduate Observers and Measuring Devices
- albroun
- · Replies 9 ·
Graduate The pattern is not just both slits?
- San K
- · Replies 1 ·
Graduate Do we have any proof of entanglement other than bells inequalities?
- San K
- · Replies 3 ·
Graduate On the myth that probability depends on knowledge
- A. Neumaier
- · Replies 166 ·
Graduate Where can I find English translations of seminal quantum physics papers?
- SpectraCat
- · Replies 2 ·
Graduate How does Quantum Physics explain light?
- MegaDeth
- · Replies 1 ·
Graduate Question on shifting field gradients by an angle
- Goldstone1
- · Replies 35 ·
Graduate Dirac Notation and completeness relation
- 0ddbio
- · Replies 5 ·
Graduate Temporal Superposition and the Double Slit Experiment
- albroun
- · Replies 19 ·
Graduate Splitting a single light source into two out-of-phase sources?
- DanielFaraday
- · Replies 1 ·
Undergrad Photons transmitted through transparent substances.
- Infrasound
- · Replies 5 ·
Graduate Otimes notation and tau matrices used in definition of gamma matrices?
- Peeter
- · Replies 3 ·
Graduate Four fundamental forces. Which one is this?
- Antiphon
- · Replies 10 ·
Graduate Is Faster-Than-Light Travel Possible Through Quantum Entanglement?
- San K
- · Replies 19 ·
Graduate Can We Predict the Nature of Virtual Particles Created in Quantum Events?
- nouveau_riche
- · Replies 3 ·
Graduate Rigorous Feynman pathintegral derivation
- nahsihorst
- · Replies 8 ·
Graduate Collapse of the wave-function of a single photon in the general sense
- entropy1
- · Replies 5 ·
Graduate Unbounded operators in non-relativistic QM of one spin-0 particle
- Fredrik
- · Replies 76 ·
Graduate DCQE - how does/can the pattern change?
- San K
- · Replies 115 ·
Graduate Maximal set of commuting observables
- McLaren Rulez
- · Replies 9 ·
Graduate Energy and momentum operators in QM
- McLaren Rulez
- · Replies 7 ·