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 Kochen-Specker As Simple Corollary Of Gleasons Theroem
- bhobba
- · Replies 4 ·
Graduate Theoretical instantanous communicator
- serp777
- · Replies 3 ·
Graduate Degenerate Matter energy level
- questionpost
- · Replies 1 ·
Undergrad Energy levels and quantum state
- Johnahh
- · Replies 9 ·
Graduate Path Integral example, analysis of integral limits for K-G theory
- the_pulp
- · Replies 4 ·
Graduate Origin in Inertial Frame for Spin-Orbit Coupling?
- nonequilibrium
- · Replies 1 ·
Graduate What are the natural generalizations (if any) to Bose and Fermi statistics?
- alemsalem
- · Replies 10 ·
Graduate Quantum without Identical Particles
- maverick_starstrider
- · Replies 3 ·
Graduate What is the difference between the Copenhagen Interpretation and Quantum Theory?
- rodsika
- · Replies 5 ·
Graduate Can Longer Waves Enhance the Quantum Eraser Effect at Home?
- Alvydas
- · Replies 9 ·
Graduate Can a Photomultiplier Detect Single Photons for a DIY Double Slit Experiment?
- Edgewood11
- · Replies 9 ·
Graduate Is U(1) the group of unit circle rotations e^(iθ)?
- Matterwave
- · Replies 3 ·
Graduate Why does attenuation coefficient decrease with increased energy?
- amylase
- · Replies 6 ·
Graduate Exclusion Principle application to very large systems
- Xcellerator
- · Replies 1 ·
Graduate Two-Photon Experiment: Correlation, Factorization, and Polarization
- phonon44145
- · Replies 1 ·
Undergrad Is there an equation for the energy loss of a photon in different media?
- Ralphonsicus
- · Replies 1 ·
Graduate Path integral and partition function
- kof9595995
- · Replies 1 ·
Graduate Time derivative of an observable
- SoggyBottoms
- · Replies 7 ·
Undergrad What Are the Best Lasers for Optics Experiments?
- luxor99
- · Replies 5 ·
Graduate Is the S-matrix at high energies affected by time dilation?
- geoduck
- · Replies 8 ·
Graduate Bose-Einstein condensate of photons
- phonon44145
- · Replies 11 ·
Graduate How can I ignore information in my wave function?
- nonequilibrium
- · Replies 8 ·
Graduate Can quantum tunneling allow particles to cross causally disconnected regions?
- zeromodz
- · Replies 1 ·
Graduate How Does a Laser Differ from a One-Atom Photon Amplifier?
- phonon44145
- · Replies 11 ·
Graduate Question: How do symmetries and time evolution interact in quantum mechanics?
- giova7_89
- · Replies 3 ·
Graduate Probability amplitudes and photons
- phonon44145
- · Replies 3 ·
Undergrad What is Information? Simplest Answer
- Padraic
- · Replies 32 ·
Undergrad The Distinction Between Fact and Opinion: Can it be Proven?
- mkserkan
- · Replies 6 ·
Graduate Double slit in macroscopic world
- looka
- · Replies 5 ·
Graduate Is there anyting really entangled in Quantum Entanglement ?
- mkserkan
- · Replies 6 ·
Graduate SHO Ladder Method missed states?
- aimforclarity
- · Replies 6 ·
Graduate Derive Schwarzschild Eq. without 4D Space/Tensors
- sharma_satdev
- · Replies 3 ·
Graduate Is the Electromagnetic Field a Classical or Quantum Field?
- dilna
- · Replies 3 ·
Graduate Examples of quantum mechanics predictions
- chaszz
- · Replies 3 ·
Graduate Wick's Theorem Proof (Peskins and Schroder)
- jameson2
- · Replies 1 ·
Graduate Wave function of a photon in a spherical cavity
- tarquinius
- · Replies 2 ·
Graduate Solving the Schrodinger Equation: WHAT DOES IT ALL MEAN?
- tomothy
- · Replies 3 ·
Graduate All states are stationary, all observables are constant.
- hearnden
- · Replies 6 ·
Graduate Plane monochromatic wave is not physically realizable?
- pjbeierle
- · Replies 2 ·
Graduate Why use a different matrix for SU(2) to O(3) identification instead of ξξ†
- Matterwave
- · Replies 15 ·
Graduate Why can't we know position and momentum simultaneously?
- jeebs
- · Replies 299 ·
Graduate Why does removing global phases from wave function evolution suggest time independence?
- andrewkirk
- · Replies 9 ·
Graduate Why this equation is an integral over all paths?
- ianhoolihan
- · Replies 17 ·
Graduate Stern-Gerlach experiment when magnetic field varies from 0 to B
- owlal85
- · Replies 1 ·
Graduate Testing Quantum vs. Classical Physics Predictions of Which-Way Double Slit
- Hydr0matic
- · Replies 4 ·
Graduate Is the Hamiltonian acting on (t-t') in the propagator formula?
- jewbinson
- · Replies 1 ·
Graduate How Do Observation and Measurement Differ in Quantum Experiments?
- nouveau_riche
- · Replies 2 ·
Graduate Representation Theory and Particle Theory
- fscman
- · Replies 7 ·
Graduate Rest energy in Schrodinger's equation
- exmarine
- · Replies 12 ·
Undergrad Mass Spectrometry: Understanding Boron Isotopes
- Chemist20
- · Replies 6 ·
Graduate Understanding Black Holes: Quantum Physics and Hawking Radiation Explained
- serp777
- · Replies 1 ·
Graduate Problem with quantum entanglement of photons
- Jim_G
- · Replies 3 ·
Graduate Radio waves emitted by an antenna - Bremsstrahlung radiation?
- zincshow
- · Replies 2 ·
Graduate How many photons are emitted by accelerating electron?
- trifractal
- · Replies 4 ·
Graduate What property of a vector stays the same across different bases?
- Waxbear
- · Replies 3 ·
High School Photon detector and screen for a homemade Young double slit laser experiment
- Edgewood11
- · Replies 18 ·
Graduate Electromagnetic attraction. How?
- salvestrom
- · Replies 6 ·
Undergrad Very basic quantum mechanics questions
- diggs267
- · Replies 11 ·
Graduate How is it possible that 3d orbitals are more contracted than 4f?
- Chemist20
- · Replies 4 ·
Graduate Extent of indeterminacy in the double-slit experiment
- mdtzparadise
- · Replies 2 ·
Graduate Particle at the edge of nothing
- minio
- · Replies 4 ·
Graduate What Causes Light to Behave Differently in the Double-Slit Experiment?
- Flustered
- · Replies 1 ·
Graduate Do have virtual particles gravity?
- minio
- · Replies 7 ·
Graduate How Are Probability Amplitude Arrows Drawn as Spirals in Feynman's Lectures?
- AlchemistK
- · Replies 3 ·
Graduate Covariant deriv of matrix valued field(srednicki)
- LAHLH
- · Replies 1 ·
Graduate What physically causes the energy to make subatomic particles move?
- AZcristian623
- · Replies 3 ·
Graduate Why does the interference pattern only appear on the detection screen?
- salvestrom
- · Replies 3 ·
Graduate Is Energy the Glue of Entanglement?
- LarryS
- · Replies 1 ·
Graduate How does the wave function relate to the uncertainty principle?
- jfarhat747
- · Replies 1 ·
Graduate Dirac algebra (contraction gamma matrices)
- IRobot
- · Replies 3 ·
Undergrad Seeking a satisfying explaination for a bond formation problem
- Strafespar
- · Replies 10 ·
DETERMINISM OR RANDOM? Pick a side
- jfarhat747
- · Replies 35 ·
Graduate Functional derivative of exponential in QFT: where does the factor of 1/2 go?
- Elwin.Martin
- · Replies 2 ·
Graduate Page13 on Griffiths quantum mechanics
- Frank0
- · Replies 2 ·
Graduate Observed intensity of Persistent Lines of Neutral Hydrogen
- edguy99
- · Replies 1 ·
Graduate In string theory, what are the small strings physically made out of?
- AZcristian623
- · Replies 4 ·
Graduate Stimulated Emission has no sufficient proof?
- TMSxPhyFor
- · Replies 8 ·
Undergrad Difference between two wave functions?
- DannyPhysika
- · Replies 7 ·
Amazing Quantum Levitation Demonstration Video
- wuliheron
- · Replies 26 ·
Graduate Why is Gaussian Packet the lower limit?
- kokolovehuh
- · Replies 5 ·
Graduate Quantum basis for electron shell magic numbers and bonding types
- bentzy
- · Replies 1 ·
Graduate What is auxiliary state in quantum computing?
- egmont
- · Replies 1 ·
Graduate How does U(1) guage symmetry lead to Maxwell's equations?
- cygnet1
- · Replies 2 ·
Undergrad My thought on double slit experiment
- EvIl_DeViL
- · Replies 13 ·
Graduate Physical significance of operator commutation
- solas99
- · Replies 4 ·
Undergrad What is the significance of charge neutralization in physics?
- AZcristian623
- · Replies 2 ·
Graduate Does Noether theorem apply to gauge symmetry?
- Rocky Raccoon
- · Replies 19 ·
Graduate Average value in superposition question
- Alexitron
- · Replies 6 ·
Graduate Unclear formulation of Ward identity
- IRobot
- · Replies 2 ·
Graduate Can one tell me if the treatment of the Mach-Zehnder interferometer in
- jk22
- · Replies 1 ·
Graduate Expectation value in a linear superposition
- solas99
- · Replies 2 ·
Undergrad Conservation of momentum photoelectric effect
- Gavroy
- · Replies 6 ·
Graduate Probability density doesn't oscillate with time
- solas99
- · Replies 4 ·
Graduate Energy of a QM system, stationary states
- yeahhyeahyeah
- · Replies 1 ·
Graduate Gaussian Wavepacket: Position-Momentum Uncertainty
- solas99
- · Replies 1 ·
Graduate Why energy level of one dimension problem is descrete?
- sadegh4137
- · Replies 2 ·
Graduate The ln(m^2) term in dimensional regularization
- kof9595995
- · Replies 3 ·
Graduate Are electron energy transitions instantaneous
- Naty1
- · Replies 2 ·
Graduate Double Slit - Observation Appartaus is Key?
- gritter
- · Replies 5 ·
Graduate What is the purpose and meaning of Pauli/sigma matrices
- mraptor
- · Replies 4 ·