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 Photon vs the electric field E and magnetic field B
- xylai
- · Replies 6 ·
Graduate Why we know the renormalization work to all order in renormalizable theory?
- ndung200790
- · Replies 6 ·
Graduate Why do bosons prefer to occupy the same ground state?
- Shaybay92
- · Replies 10 ·
Graduate Renormalization as a dielectric
- RedX
- · Replies 1 ·
Graduate Laser Light & HUP: Understanding How Position & Momentum Affect Each Other
- LarryS
- · Replies 3 ·
Graduate Can someone explain, simply, hidden nonlocality/locality? EPR Paradox?
- SeventhSigma
- · Replies 23 ·
Graduate What is the significance of the Klein Paradox in particle physics?
- go quantum!
- · Replies 1 ·
Graduate Average of momentum for stationary state
- CyberShot
- · Replies 5 ·
Graduate Weight diagrams and Lie algebras
- metroplex021
- · Replies 2 ·
Graduate Why isn't commutation transitive?
- metroplex021
- · Replies 4 ·
Graduate Wavevector in infinite square well
- Master J
- · Replies 4 ·
Graduate [Novice] Young's Double Slit Experiment and the Quantum Cult
- JDude13
- · Replies 1 ·
Graduate 1st to 2nd quantization, potential approximates interactions?
- friend
- · Replies 12 ·
Undergrad Probability density of photons
- Gavroy
- · Replies 17 ·
Graduate What Determines the Equilibrium Separation Between Atoms in a Lattice?
- acherentia
- · Replies 3 ·
Graduate Bell's Theorem, EPRB, QM, spin-1/2 particles, basic arithmetic: In reply
- Gordon Watson
- · Replies 21 ·
Graduate How can polarisation by angle 45 degrees be represented in quantum mechanics?
- Jamma
- · Replies 12 ·
Graduate Role of particle's diameter in Quantum Mechanics
- SamRoss
- · Replies 7 ·
Graduate What Happens to Wave-Particles During Wavefunction Collapse?
- 3nTr0pY
- · Replies 7 ·
Graduate Polarizability and permittivity
- Gavroy
- · Replies 3 ·
High School Can Earth's Electromagnetic field block asteroids?
- alexhenderson
- · Replies 1 ·
Graduate What Are Clebsch Gordan Coordinates in Quantum Mechanics?
- logearav
- · Replies 2 ·
Graduate Particle in abox : continuous functions problem
- g.prabhakar
- · Replies 3 ·
Graduate Quantum fluctuations and Inflation
- rodsika
- · Replies 1 ·
Graduate Buckyball Double Slit Experiment
- rodsika
- · Replies 22 ·
Graduate Idler behavior post signal detection in DCQE
- San K
- · Replies 1 ·
Graduate Bell's theorem and the DrChinese Challenge?
- Gordon Watson
- · Replies 16 ·
Graduate Pure State without Superposition possible?
- rodsika
- · Replies 1 ·
Undergrad What Causes Electrons to Emit Light?
- TheJoninator
- · Replies 1 ·
Graduate How to reach the conclusion that L=0 and S=0 if the shell is filled?
- runnerwei
- · Replies 1 ·
Graduate What Are Commutators and Their Role in Quantum Mechanics?
- schumi1991`
- · Replies 4 ·
Graduate Review Articles Bell Test experiments
- hawaiifiver
- · Replies 2 ·
Graduate Understanding Atom-Photon Interaction: How Long Will an Electron Hold Energy?
- QuarkCharmer
- · Replies 3 ·
Graduate Can the Lippmann-Schwinger equation be integrated over negative r values?
- Manojg
- · Replies 1 ·
Graduate Are Chemical Reactions Quantumly Indeterminate?
- wawenspop
- · Replies 7 ·
Graduate Why dont the quarks in neutrons annhialate?
- Jarfi
- · Replies 1 ·
Undergrad Speed of free electrons in vacuum, plasma and superconductors?
- marion.s
- · Replies 15 ·
Graduate Electron diffraction from crystals
- blueyellow
- · Replies 3 ·
Graduate Why Is It Called Space Quantization in Quantum Mechanics?
- Roo2
- · Replies 13 ·
Graduate Stochastics mechanics and early Universe
- Dmitry67
- · Replies 2 ·
Graduate Understanding 2nd Order Correlation in Fock States and Density Functions
- babylonia
- · Replies 3 ·
Graduate Understanding the Energy Differences: Rigid Rotors vs. Harmonic Oscillators
- texans57
- · Replies 3 ·
Undergrad Understanding the Significance of 'Square' in Quantum Mechanics Potentials
- spaghetti3451
- · Replies 6 ·
Graduate Why 2-point correlation function diagram have only two external legs?
- ndung200790
- · Replies 2 ·
Graduate Understanding Quantized Conductance in Nano-sized Objects
- Master J
- · Replies 1 ·
Graduate What is Wavefunction Normalization?
- totentanz
- · Replies 6 ·
Graduate Find Complex Conjugate of Wave Function in QM Mechanics Book
- CyberShot
- · Replies 6 ·
Graduate Even Real Particles don't exist Aage Bohr
- rogerl
- · Replies 68 ·
Graduate Conceptual question on wave-particle duality (electron microscope)
- AStaunton
- · Replies 5 ·
Graduate Double-Slit Experiment and Michelson Interferometer
- exmarine
- · Replies 1 ·
Graduate Absorbtion lines in spectrum question
- AStaunton
- · Replies 6 ·
Undergrad What is a perturbation and how does it affect a system in equilibrium?
- oraclelive
- · Replies 1 ·
Graduate Balancing Objects: Quantum Rod, Tipping Rod & Quantum Pencil
- jackdamiels
- · Replies 2 ·
Graduate Schrodinger Equation : Infinite Square Well
- MisterMan
- · Replies 5 ·
Graduate How Does Antisymmetry Define Electron States in Quantum Chemistry?
- kof9595995
- · Replies 5 ·
Graduate Sakurai's proof of the Optical Theorem
- vega12
- · Replies 4 ·
Graduate Bell's theorem and QM: Peres' conclusion and terminology?
- Gordon Watson
- · Replies 3 ·
Graduate Loop corrections to the propagator
- LAHLH
- · Replies 6 ·
Graduate QED Predictions of fine structure constant and g-factor
- curtdbz
- · Replies 1 ·
High School Ionization energy of electrons?
- kraphysics
- · Replies 6 ·
Graduate Explicit form for representing two spin 1/2 system
- onsagerian
- · Replies 1 ·
Graduate What's wrong with this local realistic counter-example to Bell's theorem?
- Gordon Watson
- · Replies 177 ·
Graduate Why is the lagrangian polynomial in fields and derivatives
- IRobot
- · Replies 2 ·
Graduate Correspondence principle in arbitrary coordinates
- QuantumCosmo
- · Replies 1 ·
Undergrad How does diffraction cause interference
- peter.ell
- · Replies 1 ·
Undergrad Is Light Capable of Being Polarized in Multiple Directions?
- davidfur
- · Replies 3 ·
Graduate Free Electron Density of States question
- Master J
- · Replies 2 ·
Undergrad Reflection of Light on Mirrors: Why & How?
- nhmllr
- · Replies 4 ·
Undergrad Potential Wells: What Is a Potential Well & What Does Its Graph Tell Us?
- Shaybay92
- · Replies 7 ·
Graduate Two Nature Articles - Quick Questions
- StevieTNZ
- · Replies 2 ·
Graduate Understanding Schur's Lemma in the Context of Free Particles
- WiFO215
- · Replies 18 ·
Graduate Why does the uncertainty principle imply randomness
- Sleve123
- · Replies 7 ·
Undergrad Comparing Energy Transmitted by Light & Sound: Help Needed!
- macman83
- · Replies 6 ·
Graduate Consciousness: Objective - Subjective
- A Beginner
- · Replies 1 ·
Graduate Fermi's Golden Rule - Inelastic collision probability
- Master J
- · Replies 2 ·
Graduate Young Double Slit experiment, single photons
- Mukilab
- · Replies 5 ·
Graduate Lorentz invariant lagrangian density
- naos
- · Replies 3 ·
Graduate Non-linear Operators: Physical Reasons Explained
- QuantumCosmo
- · Replies 5 ·
Graduate Is Quantum Statistical Mechanics a Quantum Field Theory?
- Schreiberdk
- · Replies 2 ·
Graduate Infinite Charged Electron in QFT
- rogerl
- · Replies 89 ·
Graduate Entangled Particle Communication (again)
- wawenspop
- · Replies 16 ·
Graduate Quantum Field Theory and Perturbation Approximation
- rogerl
- · Replies 14 ·
Undergrad How do electrons maintain a stable distance from the nucleus?
- Mukilab
- · Replies 4 ·
Graduate Exploring Shape Resonance in Air: Oxygen and Nitrogen
- Thermodave
- · Replies 4 ·
Graduate Understanding Eq (4.19) of Peskin-Schroeder
- praharmitra
- · Replies 3 ·
Graduate What oscillates in an electron?
- PlusCrime
- · Replies 2 ·
Graduate Position of an electron with exactly 0 momentum
- LostConjugate
- · Replies 11 ·
Graduate Why do massless particles have only two degrees of freedom?
- Lapidus
- · Replies 10 ·
Graduate An Interesting New Test of Realism
- DrChinese
- · Replies 10 ·
Graduate Another doubt in Peskin Schroeder Sec 4.2
- praharmitra
- · Replies 4 ·
Graduate Particles are really planck size?
- rogerl
- · Replies 3 ·
Graduate Scattering of Light: Electron Excitation & Photon Absorption
- Xian
- · Replies 15 ·
Can this be Done? | Solutions to Uncertainty
- quietrain
- · Replies 12 ·
Graduate Van der Waals Force: Questions Answered
- Gavroy
- · Replies 15 ·
Graduate How can the Casimir effect result in a repulsive force between solid materials?
- OrigamiNinja
- · Replies 22 ·
Graduate Complex Conjugate applied to operators?
- Master J
- · Replies 1 ·
Graduate Photon Absorption: Atom, Transition Level, and Energy
- touqra
- · Replies 10 ·
Graduate A couple of entanglment questions
- tj8888
- · Replies 2 ·
Graduate Do Wavefunctions Include All Possible Outcomes?
- Jarwulf
- · Replies 40 ·
Graduate Difference Between Non-Seperability and Non-Locality?
- mach567
- · Replies 2 ·