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 What is Configuration Space in Quantum Mechanics?
- Naty1
- · Replies 7 ·
Graduate How were electron density clouds established?
- Helicobacter
- · Replies 1 ·
Graduate In one dimension there are no degenerate bound states?
- epsilonjon
- · Replies 6 ·
Graduate Heisenburg Uncertainty Principle
- Gunner B
- · Replies 16 ·
Graduate Wavefunction collapse on degenerate states
- osturk
- · Replies 1 ·
Graduate How do we know which is strong,weak force with considering Lagrangian?
- ndung200790
- · Replies 5 ·
Graduate Maxwell's equations hidden in Dirac's equation?
- jjustinn
- · Replies 5 ·
Graduate What is electron emission or absorption of a photon?
- chaszz
- · Replies 1 ·
Graduate Treating phi and phi-dagger as independent
- gamma5772
- · Replies 6 ·
Undergrad Why do leaves emit green light instead of absorbing it?
- no_audio
- · Replies 1 ·
Graduate What are the equations of motion for low energy quantum gravity?
- jfy4
- · Replies 9 ·
Graduate POVMs and their physical implementation in measurements
- mtak0114
- · Replies 4 ·
Graduate Maxwell equations in quantum mechanics
- pankajmaurya
- · Replies 7 ·
Graduate Elements in a Vacuum: What is the Nothingness?
- cody628496
- · Replies 9 ·
Undergrad Can a single photon have different kinds of polarization?
- San K
- · Replies 2 ·
Graduate Questions about Bell's Theorem
- San K
- · Replies 3 ·
Graduate What is the nature of photon spin and how does a polarizer affect it?
- San K
- · Replies 3 ·
Graduate Physical meaning of second order coherence vs first order
- valleyman
- · Replies 2 ·
Graduate Are electron orbitals standing waves or probability clouds?
- beantwin
- · Replies 3 ·
Graduate Photoelectric Effect after Passing through Double Slit
- LightNg
- · Replies 7 ·
Graduate What is the significance of generalized angular momentum in quantum mechanics?
- snoopies622
- · Replies 8 ·
Graduate Multiple double slits in series (not parallel)
- San K
- · Replies 1 ·
Graduate Does Observation Affect Quantum Particle Behavior?
- idknothing
- · Replies 7 ·
Undergrad Heisenberg uncertainity principle
- nouveau_riche
- · Replies 8 ·
Graduate Tensor gymnastic in Noether's Current
- Rizlablack
- · Replies 6 ·
Graduate Is the quantum realm well-defined?
- bostonnew
- · Replies 5 ·
Graduate Free particle - Eigenstates expansion
- tunafish
- · Replies 7 ·
Graduate Why does integrating probability density yield a dimensionless number?
- Unkraut
- · Replies 3 ·
Graduate Can Particles Retain Information at Absolute Zero?
- nouveau_riche
- · Replies 13 ·
Graduate Is there any theoretical way to have physics work not like quantum mechanics?
- Squippel
- · Replies 35 ·
Graduate Does quantum entanglement allow information to travel faster than light?
- byron178
- · Replies 112 ·
Graduate What Occurs When an Atom's Nucleus Disappears?
- Bravodhan
- · Replies 4 ·
Graduate Does the Quantization of Space-Time Imply a Finite Number of Spatial Locations?
- nomadreid
- · Replies 5 ·
Graduate Why do they only consider S-matrix in QFT?
- ndung200790
- · Replies 1 ·
Graduate Perhaps we do see quantum behavior at the macroscopic scale
- karatepig
- · Replies 40 ·
Graduate Are Buckyballs Entangled in Double Slit Experiments?
- San K
- · Replies 3 ·
Undergrad What is a negative magnetic moment?
- zincshow
- · Replies 1 ·
Graduate Phase shift of tunneling particle
- FunkyDwarf
- · Replies 3 ·
Graduate How are higher s orbitals like 2s and 3s quantized if amplitude can vary?
- CRichard
- · Replies 8 ·
Graduate Entanglement in delayed choice quantum eraser (DCQE)
- San K
- · Replies 6 ·
Graduate Operator equation A + [B, X] = 0 in infinite dimensional Hilbert spaces
- TRXW
- · Replies 1 ·
Graduate QED and light traveling in straight lines
- dEdt
- · Replies 4 ·
Graduate What is the objective of renormalization group theory?
- ndung200790
- · Replies 7 ·
Graduate Interpreting transition probabilities when perturbation persists indefinitely
- elemental09
- · Replies 8 ·
Graduate Does the uncertainty principle only apply to measurement?
- DarkDrag0nite
- · Replies 20 ·
Graduate Is the electron's energy changed when the infinite potential wall moves?
- Younghun park
- · Replies 1 ·
Graduate Why can't a bilinear vertex have one particle in and out?
- ariel97
- · Replies 5 ·
Graduate I really need a definitive answer to the HUP/vacuum/pair production problem.
- SeventhSigma
- · Replies 3 ·
Graduate Commutative operators and obserables
- blakegriffin1
- · Replies 3 ·
Graduate Feynman paths and double slit experiment
- hammock
- · Replies 27 ·
Graduate A query on the (old) motivation for renormalizable theories
- metroplex021
- · Replies 5 ·
Undergrad Dual Vector Space: Simple Explanation
- quietrain
- · Replies 4 ·
Graduate Cluster radioactivity- want to know more?
- logearav
- · Replies 3 ·
Undergrad How do ideal black bodies absorb and re-emit radiation?
- KuroAlchemist
- · Replies 10 ·
Graduate 'Quantum grains' smaller than 'Planck length'
- baguyette
- · Replies 28 ·
Graduate Recommended Texts for Self-Studying QFT?
- migwing007
- · Replies 6 ·
High School Difference between Y-Bjorken and X-Bjorken
- matthew82
- · Replies 3 ·
Graduate Space/time expansion and quantum world
- nouveau_riche
- · Replies 3 ·
Graduate Can the Mach-Zehnder interferometer be used as a which-way detector for photons?
- San K
- · Replies 1 ·
Graduate Why does Klein-Gordon describe spin-0 when Dirac solutions satisfy it too?
- jjustinn
- · Replies 6 ·
Graduate Spin Angular Momentum Conservation in the Stern-Gerlach Experiment
- FirstYearGrad
- · Replies 4 ·
Graduate How does Quantum Physics solve the ultraviolet catastrophe?
- quebecois22
- · Replies 2 ·
Undergrad What is the Correct Formula for Calculating Angular Momentum in Bohr's Theory?
- vkash
- · Replies 4 ·
Graduate Questions about Schrodinger's equation?
- Makveger
- · Replies 3 ·
Graduate Rotation group representation and pauli matrices
- 01030312
- · Replies 7 ·
Graduate Eigenvalues of Hermitian opertors
- migwing007
- · Replies 8 ·
Graduate Nuetron Interferometry in Ballentine
- WiFO215
- · Replies 15 ·
Graduate Thoughts on realistic model of electon Zitterbewegung
- johne1618
- · Replies 1 ·
Graduate Quantum entanglement and Two slit experiment
- itsonelouder
- · Replies 30 ·
Graduate Electron diffraction diameter measurement
- hawaiifiver
- · Replies 1 ·
Graduate How does Feynman's path integral explanation account for which path light actually takes?
- dEdt
- · Replies 3 ·
Undergrad Salt Water Swimming Pool Question.
- Infrasound
- · Replies 2 ·
Graduate Unceartianity and virtual pions.
- Brainguy
- · Replies 7 ·
Graduate Photon flight times and the uncertainty principle
- kurros
- · Replies 3 ·
Graduate Why external reflection causes a 180-degree phase shift
- DeShark
- · Replies 15 ·
Graduate So, I know that spin is very important in quantum mechanics/elementary
- CyberShot
- · Replies 58 ·
Graduate Time invariance of Schrodinger equation
- Avijeet
- · Replies 2 ·
Graduate Vector Representations of Quantum States
- syberraith
- · Replies 15 ·
Graduate A question on Virtual Photons, and QED
- mattthecat
- · Replies 1 ·
Graduate First Quantum Computer now Commerical?
- piareround
- · Replies 10 ·
Graduate Why must the wave function be zero at infinity?
- coki2000
- · Replies 4 ·
Graduate States of Composite Systems, p. 216: Ballentine
- jfy4
- · Replies 4 ·
Graduate Ryder QFT 2nd ed. page 341 misprint?
- melezmelez
- · Replies 1 ·
Graduate Double-Slit time reversal leads to fractal multiple universe theory?
- bernsten69
- · Replies 2 ·
Graduate Relativistic corrections to Schrodinger's equation
- jfy4
- · Replies 13 ·
Graduate Quantum phenomena as emergent property in networked computer simulation?
- looka
- · Replies 7 ·
Graduate Can Quantum Mechanics Be Taught Without Relying on Representations?
- Gerenuk
- · Replies 35 ·
Would you buy a quantum table?
- ZapperZ
- · Replies 2 ·
Graduate How Do Dirac Delta Functions Relate to Quantum Mechanics and Eigenvalues?
- Rasalhague
- · Replies 8 ·
Graduate Hartle's frequency operator and deriving the Born rule
- strangerep
- · Replies 6 ·
Graduate Why doesn't the sign change under 360° rotation affect electron physics?
- paweld
- · Replies 9 ·
Graduate Solving the Paradox of Quantum Mechanics & Special Relativity
- chwie
- · Replies 33 ·
Graduate Learning Spherical Harmonics & Angular Momentum
- Cruikshank
- · Replies 10 ·
Graduate How to calculate Clebsch-Gordon coefficients
- Avijeet
- · Replies 1 ·
Graduate Why does measuring one entangled particle instantly affect the other?
- Myslius
- · Replies 7 ·
Graduate Tunneling effect or barrier penetrability
- logearav
- · Replies 2 ·
Graduate Can A White Photon Exist?not so easy to Answer
- chemistryknight
- · Replies 95 ·
Graduate Is Quantum Entanglement Verifiable and Misrepresented in Mainstream Media?
- afstgl
- · Replies 6 ·
Does Quantum Mechanics embrace/perpetuate eastern religions?
- agentredlum
- · Replies 12 ·
Graduate What maths in preparation for quantum mechanics
- NeilB
- · Replies 10 ·