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
Undergrad Difference between spin repulsion and electrostatic repulsion of an electron?
- Philipsmett
- · Replies 1 ·
Graduate The relationship between random fields and quantum fields
- Peter Morgan
- · Replies 1 ·
Undergrad Particle in a box and quantization of energy
- Alan Ezra
- · Replies 15 ·
Undergrad The Classical Limit of Maxwell-Boltzmann Distribution
- JohnnyGui
- · Replies 2 ·
Undergrad Ab Initio methods for chemical reactions?
- jonjacson
- · Replies 20 ·
Undergrad Is it possible to detect an electrostatic field?
- Philipsmett
- · Replies 1 ·
Undergrad Does wave superposition consume time?
- LarryS
- · Replies 1 ·
Undergrad Why can't an electron be spinning?
- Vampyr
- · Replies 2 ·
Undergrad Why are photoelectric measurements sensitive to surface properties?
- Gerlan Silva
- · Replies 3 ·
High School Quantum field theory and the collapse of the wave function
- Joao
- · Replies 2 ·
Undergrad Franson interferometer: Entanglement?
- greypilgrim
- · Replies 3 ·
Graduate Frequency threshold in the photoelectric effect
- Gerlan Silva
- · Replies 10 ·
Undergrad Superposition Analogy: Ceiling Fan Spin Beyond 15,000 RPM
- ScienceMike33
- · Replies 4 ·
Undergrad Parity operator and a free particle on a circle
- dyn
- · Replies 57 ·
Undergrad Microwave photons and microwave oven doors
- S Beck
- · Replies 7 ·
Undergrad Symmetry transformation in Heisenberg vs Schrödinger Picture
- hgandh
- · Replies 2 ·
High School Does ψ*∇²ψ = ∇ψ*·∇ψ for wave functions?
- DuckAmuck
- · Replies 2 ·
Graduate Why decoherence doesn't resolve the measurement problem
- Auto-Didact
- · Replies 69 ·
Undergrad Confusion about the quantum field Lorentz transformation
- HomogenousCow
- · Replies 3 ·
Undergrad If philosophical discussions are not allowed
- BWV
- · Replies 16 ·
Undergrad CSCO of Total Angular momentum
- QuantumDuality
- · Replies 1 ·
High School Does a shared wave function guarantee identical outcomes for entangled photons?
- jeremyfiennes
- · Replies 10 ·
High School Does Entangled Particle Detection Prove the Spooky Action at a Distance?
- ScienceMike33
- · Replies 18 ·
High School Would there be an upper limit to density in QM?
- benorin
- · Replies 3 ·
Graduate Is the visualization of quantum fields as harmonic oscillators accurate?
- Geofleur
- · Replies 1 ·
Graduate How to explain the nuclear radius of Uranium 238 using QM
- JD_PM
- · Replies 2 ·
Undergrad What is Stochastic Quantum Mechanics (in simple terms)?
- john taylor
- · Replies 2 ·
Graduate Schrödinger's cat: what's the state?
- Peter Morgan
- · Replies 17 ·
Undergrad Why is the wavefunction an integral over k in Gasiorowicz?
- Arman777
- · Replies 6 ·
High School Does the Universe Consist of Information Rather Than Stuff?
- entropy1
- · Replies 4 ·
High School Thought experiment -- A radioactive decay detector and randomness
- dRic2
- · Replies 19 ·
Graduate What is the Vector Manipulation Formula for Elastic Scattering Angle?
- JD_PM
- · Replies 4 ·
Graduate Confusing eigensolutions of a wave function
- Yourong Zang
- · Replies 3 ·
Graduate Measurement and the Conservation of Momentum
- Bernard Brault
- · Replies 6 ·
Undergrad Uncertainty of momentum and position
- manojr
- · Replies 1 ·
Graduate Definition of bi-local measurement by Masanes et al.
- Sonderval
- · Replies 2 ·
Graduate Oscillator Model with Eigenfunctions
- Vajhe
- · Replies 2 ·
Graduate Structure of Matter in Quantum Field Theory
- DarMM
- · Replies 75 ·
High School Quantum entanglement comunication
- Paulo Jardim
- · Replies 9 ·
Undergrad What is the basic scheme of quantum field theories?
- jonjacson
- · Replies 87 ·
Undergrad How Does Schwartz Derive the Schrödinger Equation from QFT?
- dm4b
- · Replies 2 ·
High School Bell state measurement outcomes in different bases
- Joao
- · Replies 2 ·
Undergrad Residual noise levels in entanglement experiments after coincidence counting
- Isa
- · Replies 3 ·
Undergrad In NMR, why does the longitudinal magnetization decrease when spins become phase coherent?
- OmerKocak
- · Replies 1 ·
Graduate How to numerically diagonalize a Hamiltonian in a subspace?
- Luqman Saleem
- · Replies 4 ·
Undergrad How does g-factor relate to energy splitting in the Lamb shift?
- Riverplatense
- · Replies 1 ·
High School How are outer products quantum states?
- Rodia
- · Replies 3 ·
Graduate Quantum interpretations reduced to absurd, in a nutshell
- Demystifier
- · Replies 6 ·
Graduate What is best way to start learning DMRG for Fermions?
- Luqman Saleem
- · Replies 2 ·
High School Quantum entanglement phenomenon
- federete
- · Replies 2 ·
Undergrad What is the relation between chemical potential and the number of particles?
- Luqman Saleem
- · Replies 3 ·
Graduate Does the Bell theorem assume reality?
- Demystifier
- · Replies 220 ·
High School Doesn't the choice of measurement prove free will
- entropy2information
- · Replies 65 ·
Graduate Is QM Foundations Facing a Crisis?
- Auto-Didact
- · Replies 31 ·
High School Applying gates to individual qubits after entanglement
- Joao
- · Replies 6 ·
Graduate How to choose the number of particles per site in Fermionic DMRG?
- Luqman Saleem
- · Replies 1 ·
Graduate Perturbation solution and the Dirac equation
- Neutrinos02
- · Replies 1 ·
Undergrad Stationary states vs. the unitary time evolution operator
- LarryS
- · Replies 3 ·
Undergrad Electrons and the Pauli exclusion principle
- Philipsmett
- · Replies 22 ·
Graduate Derive / verify Legendre P (cos x)
- Sparky_
- · Replies 2 ·
High School Whats the principle behind Schuster Focusing?
- TachyonLord
- · Replies 1 ·
High School Can someone explain to me what's the Schrodingers cat?
- DeltaForce
- · Replies 7 ·
Undergrad Electrostatic repulsion at a distance
- Philipsmett
- · Replies 6 ·
Undergrad Quantum fidelity for pure states as trace product
- Alex Dingo
- · Replies 7 ·
Undergrad Human eyes can detect single photons?
- Auto-Didact
- · Replies 19 ·
Undergrad Electrons in Quantum Field Theory: A Composite Excitation
- Philipsmett
- · Replies 9 ·
Undergrad Phase shift after double-slit for entangled photons
- boxfullofvacuumtubes
- · Replies 5 ·
Undergrad "Breaking the loop" in Casimir force?
- Swamp Thing
- · Replies 1 ·
Graduate Does Bell's theorem imply nonlocality using a false assumption
- Ali Lavasani
- · Replies 6 ·
Undergrad Assumptions made in stationary-state scattering
- WWCY
- · Replies 4 ·
High School Entanglement Decay of a proton pair
- sqljunkey
- · Replies 2 ·
Undergrad Integration of the Outer Product of a Basis
- Prometheus18
- · Replies 1 ·
Undergrad Why is the Phase Shift in Grover's Algorithm Applied to All Elements Except 0?
- Peter_Newman
- · Replies 4 ·
Graduate Uncertainty principle, removing infinity in the Fourier Transform
- ade
- · Replies 1 ·
Graduate Quantum Entangled Living Bacteria
- Auto-Didact
- · Replies 14 ·
Undergrad How does magnetism work in QM?
- S Beck
- · Replies 2 ·
High School Interference fringes, what if you sample them?
- David Byrden
- · Replies 53 ·
Undergrad C-G coefficients and Angular momentum
- QuarkDecay
- · Replies 2 ·
Undergrad How does an electron interact in QFT?
- Philipsmett
- · Replies 6 ·
Undergrad Inner product of a vector with an operator
- EquationOfMotion
- · Replies 6 ·
High School Is Uncertainty in Quantum Mechanics a Fundamental Limit or a Measurement Issue?
- Kevin Chieppo
- · Replies 9 ·
High School Are Quantum Entities in Macro Sized Objects Entangled?
- Robert Friz
- · Replies 22 ·
Undergrad Qualitative description of particles in QFT
- Geofleur
- · Replies 15 ·
Undergrad Calculate Revival Time of a Wave in Griffiths' QM 2nd Ed.
- Abhishek11235
- · Replies 1 ·
Undergrad Complex conjugate of an inner product
- Pablo315
- · Replies 2 ·
Undergrad Why particles have group velocity?
- arda
- · Replies 7 ·
Undergrad Electron Repulsion in QFT: How Does It Work in Quantum Field Theory?
- Philipsmett
- · Replies 5 ·
High School Understanding Entangled Electrons: Creation, Isolation, and Observation
- RJ Emery
- · Replies 8 ·
Undergrad How does stimulated emission work in the process of light amplification?
- Albarok
- · Replies 6 ·
Undergrad Integration being unchanged after rotation
- AndrewGRQTF
- · Replies 2 ·
Undergrad Do I need energy to measure position without uncertainty?
- gmastrogiovanni
- · Replies 5 ·
Undergrad Visualizing the Attached EM Field for Free Electron in QFT
- CSnowden
- · Replies 19 ·
Undergrad Novel Schrodinger equation examples for 1D
- learn.steadfast
- · Replies 5 ·
Undergrad Casimir force and the Vacuum Field
- Swamp Thing
- · Replies 13 ·
Undergrad Double slit with a quarter wave polarizer on one slit
- Marco Masi
- · Replies 3 ·
High School NOVA Show on Einstein and Quantum Entanglement
- jedishrfu
- · Replies 9 ·
Graduate Dipole moment of an isolated quantum system
- Sheldon Cooper
- · Replies 2 ·
Undergrad One-Dimensional System: Boundary Condition Applicability
- GANTI_RAVITEJA
- · Replies 1 ·
Insights How I Stopped Worrying and Learned to Love Orthodox Quantum Mechanics - Comments
- Demystifier
- · Replies 287 ·
Graduate Wave functions for positrons and electrons
- friend
- · Replies 5 ·