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 Clarifying the Misconception: Do Positrons Really Travel Backward in Time?
- stevenytc
- · Replies 1 ·
Graduate Can grandpa understand the Bell's Theorem?
- miosim
- · Replies 404 ·
Graduate What's the difference between a fock state and a mixed ensemble?
- kof9595995
- · Replies 15 ·
Graduate Blackbody Radiation: Why Bodies Absorb & Radiate Heat
- Bassalisk
- · Replies 2 ·
Graduate BBC Researchers Break Quantum Mechanics Complementarity Rule
- Lost in Space
- · Replies 1 ·
Graduate Can we attain a disire approxomation for asymptotic perturbative QTF Theo?
- ndung200790
- · Replies 1 ·
Graduate Can Neutrons be Deflected in a Non-Uniform E Field Due to Spin?
- cragar
- · Replies 9 ·
Graduate General questions about photons and electrons
- honolulu_boy
- · Replies 9 ·
Graduate Instant Correlation vs. Instant Communication: Exploring the Difference
- IllyaKuryakin
- · Replies 5 ·
Graduate Do particles have well-defined positions at all times?
- Fredrik
- · Replies 64 ·
Graduate Wave propagation, resonance and collapse
- yeshi
- · Replies 2 ·
Graduate Photon wavelength shift from gravitational lensing?
- toliynyk
- · Replies 5 ·
Graduate Photon observed to be behaving as a particle
- Haldhad
- · Replies 1 ·
Graduate How does one observer win out over another?
- galadriel
- · Replies 18 ·
Graduate Quantum dot, quantum wire, quantum well?
- fisico30
- · Replies 1 ·
Graduate Understanding QFT and the Role of Particles in Quantum Fields
- Varon
- · Replies 21 ·
Graduate How to demonstrate the asymptotic charateristic of perturbative QTF Theo?
- ndung200790
- · Replies 3 ·
Graduate Is there a direct magnetic interaction between two electrons?
- jbb
- · Replies 13 ·
Graduate What is a probability amplitude?
- Carnot
- · Replies 3 ·
Graduate What is the difference between singularity and infinity in QTF theo?
- ndung200790
- · Replies 2 ·
Graduate Photon radius and affected energy in double-slit experiments
- gnarlan
- · Replies 1 ·
Graduate Tools of the Quantum Physicists
- bugatti79
- · Replies 2 ·
Graduate Tunneling equation have all the pieces, just can't figure out the calculation
- j2dabizo
- · Replies 2 ·
Graduate Simultaneous Causation and Entanglement
- Atype*
- · Replies 4 ·
Graduate A question in one dimensional Schroedinger Equation.
- Karmerlo
- · Replies 2 ·
Graduate Are There Multiple Independent Spins in Higher Dimensional Spaces?
- haael
- · Replies 8 ·
Graduate Eigen functions/values for many-body Hamiltonian with creation/annihilation operators
- ranytawfik
- · Replies 3 ·
Graduate Pauli's Exclusion Principle - arbitrary?
- albroun
- · Replies 9 ·
Graduate Why do photons come in quanta?
- mavc
- · Replies 29 ·
Graduate What if the H constant was larger?
- Varon
- · Replies 5 ·
Graduate Question about the Scharnhorst effect
- Dmitry67
- · Replies 5 ·
Graduate Could the Multiverse Explain Everyday Choices and Our Perfect Universe?
- Lazernugget
- · Replies 13 ·
Graduate Help a Physics Student with Two Dim. Oscilator Problem
- noamriemer
- · Replies 3 ·
Graduate Wavefunction/eigenfunction and eigen states?
- new_986
- · Replies 3 ·
Graduate Superpoincarè algebra and generators: questions
- rubbergnome
- · Replies 6 ·
Graduate Should Quantum Randomness be called Supernatural?
- wuliheron
- · Replies 83 ·
Undergrad How do you measure momentum of a particle?
- Negeng
- · Replies 2 ·
Graduate Atomic exitations, difference between photon and electron collision?
- kof9595995
- · Replies 14 ·
Graduate How does Feynman Sum Over Histories make sense?
- Astralos
- · Replies 6 ·
Graduate Planck instant and neurobiology. Could mind exist outside time-courses?
- cosmographer
- · Replies 5 ·
Graduate Role of Observer in Double Slit Experiment
- Astralos
- · Replies 4 ·
Graduate Theory Behind Dirac Lagrangian: Reasons Nature Didn't Choose Mine
- TriTertButoxy
- · Replies 11 ·
Graduate Are entanglements the most fundamental existences in the universe?
- AustinM
- · Replies 4 ·
Graduate Finding all symmetries of a given Lagrangian
- Rocky Raccoon
- · Replies 5 ·
Graduate Numerical 2D Harmonic Oscillator
- JohnSimpson
- · Replies 1 ·
Graduate Mathematical meaning of measurement
- nateHI
- · Replies 7 ·
Graduate Must have gone through one of the slits
- San K
- · Replies 32 ·
Graduate Scattering Probability and Particle Size in the Atmosphere
- nhmllr
- · Replies 11 ·
Undergrad Basic question regarding the Double Slit Experiment
- josephgerth
- · Replies 6 ·
Graduate Entangled Atoms and propagation.
- hawaiifiver
- · Replies 1 ·
Graduate Feynman Parameters: Solving an Induction Problem
- Perturbation
- · Replies 5 ·
Graduate Hi,In Mandl&Shaw, when we calculate the covaiant commutation
- lornstone
- · Replies 2 ·
Graduate Grasmann Lagrangian - literature
- Omega137
- · Replies 4 ·
Graduate G-factor of electron, proton, and neutron don't cancel out
- LostConjugate
- · Replies 11 ·
Graduate In DCQE you can get which way and still get interference?
- San K
- · Replies 25 ·
Graduate Are Virtual Particles Real According to the Dynamic Casimir Effect Study?
- dm4b
- · Replies 1 ·
Graduate Bell's theorem and foundations of statistics
- hgeurdes
- · Replies 11 ·
Graduate Quantum Mechanical systems considered in old QM
- wizrdofvortex
- · Replies 5 ·
Graduate Quantum physics & synchroization of 2 particles.
- davisbunch
- · Replies 4 ·
Graduate Legendre Polynomials and Complex Analysis
- "pi"mp
- · Replies 7 ·
Graduate Einstein's Delayed Choice Quantum Experiment
- hankaaron
- · Replies 2 ·
Graduate Two Kraus representations: How to check if they're the same TPCPM?
- Ameno
- · Replies 3 ·
Graduate What can I use as a detector to collapse the wave function?
- iamburitto
- · Replies 1 ·
Graduate Quantizating a symmetric Dirac Lagrangian
- Rocky Raccoon
- · Replies 12 ·
Graduate Random particle movement (with pictures)
- squeehunter
- · Replies 14 ·
Undergrad Do we live in a perfect liquid?
- quantumirage
- · Replies 2 ·
Graduate Can't Quantum Entanglement be explained as the same particle?
- hankaaron
- · Replies 12 ·
Graduate Entropy in isolated quantum systems
- kith
- · Replies 46 ·
Graduate Evolution of Matter from Quantum World: Macroscopic Scale vs Localized Particles
- nouveau_riche
- · Replies 11 ·
Graduate Common sets of eigenfunctions in angular momentum
- Turtle492
- · Replies 4 ·
Graduate Einstein thoughts on the quantum
- Varon
- · Replies 85 ·
Graduate Can DIY Photon Entanglement Be Achieved at Home?
- Brainguy
- · Replies 8 ·
Graduate Electron spin entanglements - time-energy uncertainty
- Ferrus
- · Replies 1 ·
Graduate Scattering Theory Books: Easy to Follow Like Sakurai's
- rbwang1225
- · Replies 1 ·
Graduate What is the Operator <m|n> in the Wave Equation for a Particle in a Box?
- Markel
- · Replies 12 ·
Graduate Calculating First Order Photon Self-Energy Integral
- lornstone
- · Replies 3 ·
Graduate Wave-particle duality for the electron
- Uranium235
- · Replies 3 ·
Graduate Cosmological Constant Problem / Vacuum Catastrophe
- cbd1
- · Replies 14 ·
Undergrad Wavelengths of Oxygen - Calculate or Lookup Info
- pmlapl
- · Replies 5 ·
Graduate What will happen when we have a Theory of Everything?
- Varon
- · Replies 40 ·
Graduate Isometric operators- spectrum preserving?
- muppet
- · Replies 2 ·
High School What is quantum physics used for?
- FishmanGeertz
- · Replies 8 ·
Graduate Locality in QM and commutators
- haushofer
- · Replies 4 ·
Graduate Quick Question: Double Slit experiment
- platonic
- · Replies 8 ·
Graduate Can Time Travel Experiments Prove the Existence of Parallel Universes?
- ANT_SB
- · Replies 10 ·
Graduate Blackbody Radiation of Boiling Water
- stanli121
- · Replies 3 ·
Graduate Delayed choice with photons - impossible?
- grelf
- · Replies 1 ·
Undergrad Coincedence Counter in Double Slit Experiment?
- Jamesc320010
- · Replies 1 ·
High School What is the shape of an electron?
- phoenixankit
- · Replies 44 ·
Graduate Non-abelian Gauge invariance (chapter 15.1 in Peskin/Schroeder)
- Stalafin
- · Replies 3 ·
Graduate Virtual particles and Gauss's Law
- PeterPumpkin
- · Replies 3 ·
Graduate An integral in Srednicki's book
- nklohit
- · Replies 4 ·
Graduate Why is quantum so fundamental?
- Kherubin
- · Replies 30 ·
Undergrad Diodes, transistors and valves
- DaTario
- · Replies 2 ·
Graduate Dirac Delta Function vs probability distribution
- pibomb
- · Replies 15 ·
Graduate What will be the final conclusion?
- nouveau_riche
- · Replies 6 ·
Graduate Can SO(3) be used for Poincare spacetime symmetry in the standard model?
- lkwarren01
- · Replies 3 ·
Graduate Is Planck Charge Related to the Fine-Structure Constant and Plank's Constant?
- nuby
- · Replies 3 ·
Graduate Lorentz transformations on Spinors
- Illuminatum
- · Replies 3 ·
Graduate Why connected correlation function depends on (x-y) only when <Phi(x)> equal constant
- ndung200790
- · Replies 6 ·