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.
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Graduate Is everything fundamentally connected through entanglement and energy?
- Allojubrious
- · Replies 13 ·
Graduate Klien Gordon Equation solution under Lorentz transformation
- McLaren Rulez
- · Replies 4 ·
Graduate What is the difference between classical and quantum law?
- ndung200790
- · Replies 11 ·
Graduate About cosmological quantum rectangular barrier potential
- Younghun park
- · Replies 5 ·
Graduate What are the key theorems on the mathematics of symmetries in quantum mechanics?
- Fredrik
- · Replies 28 ·
Graduate Can Quantum Error Correction Revolutionize Computing?
- phmzk
- · Replies 5 ·
Graduate Deriving Moseley's Law Using QM/QFT
- lovetruth
- · Replies 1 ·
Graduate Quantum mechanics and electrons.
- quantizedzeus
- · Replies 15 ·
Graduate Do Quantum Particles Have Physical Volume or Are They Just Points of Energy?
- rollcast
- · Replies 2 ·
Graduate How we see things, relating to Crystal field theory.
- arkyy
- · Replies 1 ·
Graduate Bose-Einstein condensate and ions spin
- jumpjack
- · Replies 5 ·
Graduate S-matrix vs time evolution operator in Yukawa theory
- creepypasta13
- · Replies 1 ·
Graduate So at what direction do Quarks spin ?
- phy_freak
- · Replies 1 ·
Graduate Solving schrodinger equation for quarkonium
- nasibaba
- · Replies 4 ·
Graduate Why does the Hellmann-Feynman theorem give the force on a nucleus?
- 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 Why does equation 43.10 in Srednicki have a minus sign from the functional derivative?
- 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 Should I take a probability series (MATH 394-396) before 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 in quantum mechanics
- physengineer
- · Replies 2 ·
Graduate Visualizing Photons: Wavefunctions, Frequency, and More
- Infrasound
- · Replies 9 ·
Graduate What are negative quantum states in Dirac's theory?
- NEILS BOHR
- · Replies 5 ·
Graduate Iterated dimensional regularization
- zetafunction
- · Replies 2 ·
Graduate Do fields have quantum fluctuations in the vacuum?
- 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 Why is the hydrogen ground state unique if displaced wavefunctions give lower energy?
- 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 Expectation value of observables in pure vs mixed states
- LostConjugate
- · Replies 4 ·
Graduate Electron Energies in Atoms: Fixed Values or Expectation Values?
- RNA
- · Replies 3 ·
Graduate Can extra dimensions support 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 What is the space between universes in multiverse theory?
- 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 Can a real photon annihilate with a virtual photon from a pair?
- BernieM
- · Replies 13 ·
Graduate Particle probability distribution shifting in gravitational field
- danR
- · Replies 14 ·
Graduate Can the Pauli matrices solve the anticommutation relations?
- 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 How is the state space defined in quantum mechanics?
- 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 two Maxwell Lagrangian forms equivalent without gauge fixing?
- jdstokes
- · Replies 2 ·
Graduate Proof: Operators with same expectation value
- FaradayCage
- · Replies 3 ·
Graduate Does opening my eyes collapse wave functions of objects outside?
- 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 ·