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 Calculate Eigen Function of 3D Potential Box w/ Doubled X Side
- SANKET HAQUE
- · Replies 1 ·
Graduate Is a photon of dimension zero?
- Nemoto
- · Replies 20 ·
Graduate Expected result of such an experiment?
- LsT
- · Replies 16 ·
Graduate Why does a metal mirror preserve interference without decoherence?
- Swamp Thing
- · Replies 16 ·
Graduate How can you actually measure the electron position?
- Tomishiyo
- · Replies 13 ·
Graduate Energy of the electron in a random hydrogen atom
- ftr
- · Replies 12 ·
Graduate Radiative heat transfer in multi-component media
- vassos
- · Replies 2 ·
Graduate Can all classical fields be quantized at the Planck scale?
- Isaac0427
- · Replies 1 ·
Graduate QED vacuum and Lorentz invariance
- TrickyDicky
- · Replies 19 ·
Insights How to Stop an Electron from Falling into a Proton - Comments
- edguy99
- · Replies 11 ·
Graduate Identical Particles in Ballentine's Book
- blue_leaf77
- · Replies 14 ·
Graduate Units of Wave function (Schrodinger equation)
- Avatrin
- · Replies 4 ·
Graduate L² and Lz matrices for l=2 and adding angular momentum vectors
- dyn
- · Replies 5 ·
Graduate Understanding ultraviolet catastrophe
- Absentee
- · Replies 10 ·
Graduate How Do Qubits and Multiple Qubit Systems Enhance Computing Power?
- Erwin
- · Replies 4 ·
Graduate Under what conditions is a photon a particle?
- jimmylegss
- · Replies 1 ·
Graduate Can Virtual Particles Be Observed in Experiments?
- alex7773
- · Replies 2 ·
Graduate Where is the flaw with predetermined entanglement state?
- LsT
- · Replies 98 ·
Graduate How to calculate density matrix for the GHZ state
- Agrippa
- · Replies 6 ·
Graduate Even and odd molecular orbitals under reflection in diatomic molecules
- moriheru
- · Replies 1 ·
Undergrad Why Does Light Exhibit Both Particle and Wave Properties?
- Swetha.M.L
- · Replies 40 ·
Graduate What do we mean by Classical Simulation of Quantum Algorithm
- JK423
- · Replies 2 ·
High School What is the difference between simple harmonic wave and stationary wave?
- akashpandey
- · Replies 5 ·
Graduate Why can the perturbed state be expanded in unperturbed eigenbasis?
- Runei
- · Replies 2 ·
Graduate Question regarding the double slit experiment
- drawkcab
- · Replies 7 ·
Graduate Ballistic conduction and Superconductivity
- NewtonApple
- · Replies 4 ·
Graduate Why does the tensor product sum A⊗1+1⊗B equal its spectrum?
- jk22
- · Replies 3 ·
Graduate Measurement of a Hydrogen qubit?
- Julian Blair
- · Replies 3 ·
Graduate Green's Functions and Feynman Diagrams
- rolotomassi
- · Replies 3 ·
Graduate Spin 1/2 - Is √3/2ħ or √¾ħ Correct?
- Isaac0427
- · Replies 2 ·
Graduate What is the point to study Anti-bunching?
- Lizzie Mann
- · Replies 1 ·
Graduate Difference between Griffiths and Shankar uncertainty principle equations
- Zerkor
- · Replies 6 ·
Graduate Preparing a mixture of two spatially separated gaussian wavefunctions
- Swamp Thing
- · Replies 3 ·
Graduate Physics behind the annihilator-creator operator formula
- Lizzie Mann
- · Replies 2 ·
Graduate Scattering amplitude, link between quantum mechanics and QFT
- Kurret
- · Replies 1 ·
Graduate Ammonia molecule geometry and radiation
- forcefield
- · Replies 5 ·
Graduate Observer Big Bang? How come electrons have a wave nowadays?
- slitted
- · Replies 7 ·
Graduate Why does transmission depend on mass for barriers but not steps?
- Cluemore
- · Replies 4 ·
Graduate Single photon double slit, reset detector after each impact
- UfoOvni
- · Replies 35 ·
Graduate Can measurement order affect entangled electron properties across Earth-Moon distance?
- billllib
- · Replies 11 ·
Graduate Hiding the observer with gravitational measurements?
- slitted
- · Replies 6 ·
Graduate What Algorithms Extract Information from Quantum Eigenvalues?
- ephen wilb
- · Replies 15 ·
Graduate Dispersion relation for non-relativistic quantum particles
- dilloncyh
- · Replies 1 ·
Graduate Hanbury Brown and Twiss effect question
- LmdL
- · Replies 54 ·
Graduate Are discrete particles and fields both present in Quantum Mechanics?
- Pjpic
- · Replies 1 ·
Graduate More evidence that the wavefunction is ontologically real?
- Quantumental
- · Replies 71 ·
Graduate Can we model classical world using quantum laws?
- zonde
- · Replies 9 ·
Graduate Does the delayed choice quantum eraser vindicate von Neumann's collapse theory?
- Megatherion
- · Replies 44 ·
Insights Why Renormalisation Needs a Cutoff - Comments
- bhobba
- · Replies 29 ·
Graduate Give mass to a massless scalar field in 1+1, Higgs like?
- Spinnor
- · Replies 2 ·
Graduate Good Books on Quantum Computing and Quantum Mechanics
- fmpak93
- · Replies 1 ·
Graduate Are we wrong to try and unify quantum mechanics and relativity?
- gerbilmore
- · Replies 118 ·
Graduate Performing integration over field variable
- aaaa202
- · Replies 1 ·
Graduate Do Virtual Particles Cause The Wave Function To Collapse?
- Ryan-Duddy
- · Replies 2 ·
Graduate Cohen-Tannoudji on mutually exclusive (?) events
- terra
- · Replies 2 ·
Graduate Why Are Swap Gates Used in Quantum Fourier Transform Circuits?
- jimmycricket
- · Replies 4 ·
Graduate Why Quantum Mechanics is Complex
- Zerkor
- · Replies 10 ·
Graduate About role of Planck constant in classical physics
- KFC
- · Replies 7 ·
Graduate Does a vector operator require the total angular momentum in its commutation relation?
- blue_leaf77
- · Replies 3 ·
Graduate Completeness for a single particle
- jk22
- · Replies 3 ·
Graduate In-principle existence of which-way info
- Swamp Thing
- · Replies 10 ·
Graduate How do electrons change states on their own?
- ephen wilb
- · Replies 1 ·
Graduate Different classical limits of quantum mechanics
- spaghetti3451
- · Replies 8 ·
Graduate Is it Valid to Treat a Solid as a Large Molecule in Calculating Specific Heat?
- A_s_a_d
- · Replies 2 ·
Graduate Why do collapse functions change form in master equations?
- Agrippa
- · Replies 1 ·
Graduate Potential energy term in Schrodinger's equation?
- iScience
- · Replies 2 ·
Graduate What gives electrons and protons their electric charge?
- driftwood
- · Replies 17 ·
Graduate Suggested topics for a beginner in QP? What got you hooked?
- DastardlyBliss
- · Replies 6 ·
Graduate Mathematical conundrum when adding complex exponentials
- Runei
- · Replies 3 ·
Graduate What Are Incomplete Collapses and Tails in Objective Collapse Theories?
- ephen wilb
- · Replies 25 ·
Graduate How does the Pauli exclusion principle apply to protons?
- Lance Fernandes
- · Replies 1 ·
Graduate What does it mean to measure a qubit in a different basis?
- Ananthan9470
- · Replies 5 ·
Undergrad What is the difference between a vector and a vector space?
- MNskating
- · Replies 4 ·
Graduate KE operator and eigenfunctions
- dyn
- · Replies 16 ·
Graduate Understanding Quantum Eraser Experiments
- alexepascual
- · Replies 35 ·
Graduate A thought experiment of wavefunction collapse
- backward
- · Replies 9 ·
Graduate Current conservation beta function
- WannabeNewton
- · Replies 2 ·
Graduate Can a pilot wave be instantaneous?
- Terry M
- · Replies 4 ·
Graduate Why does anomaly mean symmetry is broken?
- fxdung
- · Replies 12 ·
Graduate Quantum Suicide: Why is only experimenter convinced?
- greypilgrim
- · Replies 57 ·
Graduate Feynman rules for nonlinear sigma models
- hyperkahler
- · Replies 1 ·
Graduate Bound states as a solution of free particles?
- pellman
- · Replies 3 ·
Graduate Angular momentum of a free Dirac particle
- DOTDO
- · Replies 1 ·
Graduate Are there separate quantum fields for spin 1/2 particles in modern QFT?
- LarryS
- · Replies 3 ·
Graduate Software to calculate detection probability for simple cases
- Swamp Thing
- · Replies 1 ·
English translation of Birgit Dopfer's two-photon interference thesis
- Swamp Thing
- · Replies 4 ·
Graduate 'Information' in Quantum Physics
- Gerinski
- · Replies 4 ·
Graduate Why does xenon exhibit more spectral lines than heavier elements like mercury?
- Goodver
- · Replies 1 ·
Graduate Wavefunctions of Singlet and Triplet States
- fayled
- · Replies 4 ·
Graduate Calculation of proton's lifetime
- aylakadamk
- · Replies 12 ·
Graduate Hamiltonian for a free electron in electromagnetic field
- athosanian
- · Replies 4 ·
Graduate Quantum harmonic oscillators DE wavefunction
- moriheru
- · Replies 2 ·
Graduate Interpretation of a before $\gamma^{5}$ in J$_{\alpha}$
- LupusLupus
- · Replies 2 ·
Graduate Equation used to find kinetic energy of proton
- darksyesider
- · Replies 6 ·
Graduate Feynman rules for Yukawa theory
- lefebvre
- · Replies 3 ·
Graduate Set of postulates implies postulates of Q.M.?
- Spinnor
- · Replies 4 ·
Graduate Quantum Computing Explained in 10 Sentences
- ChristaSian
- · Replies 1 ·
Graduate Why electron doesn't fall on proton, quantum explanation
- Tahmeed
- · Replies 4 ·
Graduate Can Quarks Break the Strong Nuclear Force?
- Noaholter
- · Replies 1 ·
Graduate Finding Wavefunction with just the Hamiltonian
- metapuff
- · Replies 1 ·