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 Why the even Eigen states have less energy than odd ones?
- hokhani
- · Replies 8 ·
Graduate Is angular momentum something that is characteristic for a particle?
- Oww2
- · Replies 3 ·
Graduate Gauge Group Choice: Can U(1) Describe Color & Weak Force?
- jfy4
- · Replies 1 ·
Graduate Physical mechanism for decoherence?
- billy_boy_999
- · Replies 3 ·
Graduate What happens to the amplitude of a photon in the double slit experiment?
- San K
- · Replies 1 ·
Graduate Would time travel to the past be possible if ?
- Sasquatch544
- · Replies 10 ·
Graduate Hidden Variable - How to calculate the straight line
- Edgardo
- · Replies 1 ·
Graduate Effective mass of Dirac electron increased by electrostatic potential?
- johne1618
- · Replies 2 ·
Graduate How can Black Holes emit radiation?
- BKLounge
- · Replies 33 ·
Graduate History/Derivation of multi-particle wave functions?
- Jerbearrrrrr
- · Replies 1 ·
Graduate Excitation by photons smaller than energy interval
- osturk
- · Replies 2 ·
Graduate Why is an Electric Current Necessary to Measure the Casimir Effect?
- philipp2020
- · Replies 1 ·
Graduate What Are Potential Wells in Lennard Jones Potential?
- ibysaiyan
- · Replies 4 ·
High School Difference between static and magnetic attraction
- lennybogzy
- · Replies 1 ·
Graduate Why do gluons and W and Z bosons have a limited range?
- Bararontok
- · Replies 4 ·
Graduate Momentum Operator w/ Dirac Delta Potential: Justification
- hokhani
- · Replies 1 ·
Graduate Quantum Zeno Effect and Decoherence
- daisey
- · Replies 3 ·
Graduate The Discontinuity of Wave Functions in a Dirac Delta Potential
- hokhani
- · Replies 10 ·
Graduate Dirac Notation in building Path Integrals
- Elwin.Martin
- · Replies 2 ·
Graduate Calculating Momentum of a Particle: Q&A
- Stickybees
- · Replies 4 ·
Graduate Derivation of the one-particle Green's function?
- gluons
- · Replies 1 ·
Graduate No 2 electrons can have the same energy state
- boffinwannabe
- · Replies 6 ·
Graduate Can real bodies deviate from Planck's law?
- skippy1729
- · Replies 13 ·
Graduate Measure for momentum in curved space
- Judithku
- · Replies 2 ·
High School What do pervading and aether mean?
- s3a
- · Replies 4 ·
Graduate Tap Dark Energy for Energy Needs: Ideas and Questions
- wildwohl
- · Replies 2 ·
Graduate Noob to PF, Quantum Foam question triangles?
- netefficacy
- · Replies 11 ·
Graduate Exploring the Inter-Relationship of Nature's Constants
- jsc314159
- · Replies 3 ·
Graduate Why are there no well-defined energy states in nature?
- TrueBlue1990
- · Replies 6 ·
Graduate Brian Cox explain Pauli exclusion principle
- haagone
- · Replies 2 ·
Graduate Angular momentum and the hydrogenic atom
- tomothy
- · Replies 5 ·
Graduate Understanding Peskin's Argument for Equation 6.46
- kof9595995
- · Replies 1 ·
Graduate What Is the Explanation for Quantum Mechanics at the Quantum Scale?
- Tomer
- · Replies 6 ·
Graduate Why is z-axis so special in hydrodgen problem?
- AlonsoMcLaren
- · Replies 10 ·
Graduate Momentum Operator question - Proof found in Intro to Griffiths QM
- srabate
- · Replies 2 ·
Graduate Klein-Gordon Equation: Derivation of Density Relativistic Transform
- Matterwave
- · Replies 6 ·
Graduate Why do L² and L_z form a CSCO?
- nonequilibrium
- · Replies 12 ·
Graduate Writing Down Single Particle State in P&S Notation
- maverick280857
- · Replies 1 ·
Graduate Possible Paths and Interference Patterns in the Double Slit Experiment
- San K
- · Replies 1 ·
Graduate Quantum Entanglement inside & outside Event Horizon
- stglyde
- · Replies 10 ·
Graduate Instanton contribution to two point function
- physengineer
- · Replies 1 ·
Graduate Question about Electron Action and study material.
- RonL
- · Replies 1 ·
Graduate Are Current Experiments Impacting Quantum Coherence in Consciousness?
- alrah
- · Replies 5 ·
Graduate Renormalization group and universality
- tom.stoer
- · Replies 14 ·
Graduate How Does Schwinger's Method Reveal Information About Feynman's Propagator?
- Morgoth
- · Replies 1 ·
Graduate Why does the momentum of a matter wave depend on the phase velocity?
- 13om13e12
- · Replies 1 ·
Undergrad Understand Orbits & Orbitals - Get Clarified Here
- lssam
- · Replies 16 ·
Graduate Dirac Principle Value Identity applied to Propagators
- maverick280857
- · Replies 3 ·
Graduate How to block tunneling current?
- Dilema
- · Replies 1 ·
Graduate How Does Rotating the Local Basis Affect Quantum Entanglement of Photons?
- fulis
- · Replies 1 ·
Graduate Why the Lagrangian must involve derivative of field?
- ndung200790
- · Replies 6 ·
Graduate Measuring classical object to arbitrary precision
- YummyFur
- · Replies 2 ·
Graduate Deriving Transition Amplitude: Hamiltonian & $\psi_0 \to \psi_1$
- Identity
- · Replies 5 ·
Graduate Wave-Function, Fourier Transform, and Speed
- danmay
- · Replies 1 ·
Graduate Can Virtual Particle Lifetimes Be Calculated?
- edpell
- · Replies 2 ·
Graduate Proposal for a Quantum Delayed-Choice Experiment
- StevieTNZ
- · Replies 6 ·
Graduate Is Gravity Affected by All Types of Energy?
- Runner 1
- · Replies 8 ·
Graduate Does CMBR include free photons?
- DrChinese
- · Replies 41 ·
Graduate In QED is angular momentum conserved at every order in Dyson series
- kof9595995
- · Replies 9 ·
Graduate Prerequisites for beginning quantum mechanics?
- Alexc475
- · Replies 3 ·
Undergrad Do the electrons have inertial mass?
- FranciscoAlm
- · Replies 4 ·
Graduate QFT Signature: Does it Have its Own Unique Formula?
- Heirot
- · Replies 3 ·
Graduate Inner product with maximally entangled state
- rmp251
- · Replies 2 ·
Graduate Are space and time quantized quantities?
- rpt
- · Replies 34 ·
Graduate Understanding Entanglement and Parallel Computing in Quantum Computing
- KrevinL
- · Replies 1 ·
Graduate Finding Ground State Wave Functions: Tips & Tricks
- LAHLH
- · Replies 2 ·
Graduate Reflection, at a quantum level?
- AdamBenHamo
- · Replies 10 ·
Graduate Which slit/way at time of observation or passing slits?
- San K
- · Replies 6 ·
Graduate Directional photon detector to detect which path?
- Colin Mitch
- · Replies 4 ·
Graduate What theories address the fundamental questions about quantum mechanics?
- dextercioby
- · Replies 145 ·
Graduate Having difficulty comprehending a problem in Peskin's text
- kof9595995
- · Replies 1 ·
Graduate What does the Higgs Field have in common with Congress?
- PatrickPowers
- · Replies 1 ·
Graduate Pauli's exclusion principle Intrpretation
- TMSxPhyFor
- · Replies 29 ·
Graduate Problem in constructing Matrix representation in |↑↓> basis
- ck00
- · Replies 3 ·
Graduate Why are mutually exclusive states orthogonal?
- Demon117
- · Replies 8 ·
Graduate Quantum teleportation of macroscopic objects
- hammertime
- · Replies 68 ·
Graduate Bell's Experiments & Hidden Variables
- gespex
- · Replies 5 ·
Graduate Absorber Theory, Retarded and Advanced Potentials
- FourierFaux
- · Replies 2 ·
Graduate Wheeler's Delayed Choice bibliography
- cacosomoza
- · Replies 2 ·
Graduate A composite system of three particles with different spin
- Demon117
- · Replies 2 ·
Graduate Velocity Measurement in Quantum Mechanics
- facenian
- · Replies 1 ·
Graduate Application of schrodinger's equation
- elshennawy
- · Replies 5 ·
Graduate Governing laws of quantum mechanics
- revo74
- · Replies 1 ·
Graduate Are Photons Actually Infinitely Small Particles?
- sophiecentaur
- · Replies 131 ·
Undergrad Why Does the Zeeman Effect Vary in Cadmium and Other Elements?
- prowler_sn
- · Replies 1 ·
Graduate Is the Classical Electric Potential a Valid Approximation in Quantum Mechanics?
- cragar
- · Replies 2 ·
Graduate Superposition/Wave function inside blackhole
- Derrezed
- · Replies 5 ·
Undergrad Electron and the uncertainty principle
- austim14
- · Replies 25 ·
Graduate What is the Volume of an Electron?
- higgs1989
- · Replies 11 ·
Graduate Statistical Mechanics: Using 3 Ensembles for Problem Solving
- hokhani
- · Replies 2 ·
Graduate Nature of Real Applications Quantum Mechanics
- mjp
- · Replies 2 ·
Undergrad Newbie questions: wave and particle viewpoints
- Fyreth
- · Replies 5 ·
Graduate Why Do Subatomic Particles Spin?
- Charles Brown
- · Replies 24 ·
Graduate Can Measurements Determine Pure vs. Mixture Ensembles in Quantum Theory?
- StevieTNZ
- · Replies 2 ·
Graduate Renormalization and running coupling constant
- anthony2005
- · Replies 13 ·
Graduate What Do Bell Tests Reveal About Photon Polarization and Reality?
- gork
- · Replies 10 ·
Graduate Experiments in quantum entanglement
- Vincent Neave
- · Replies 8 ·
Graduate What are the required mathematics for studying Quantum Field Theory?
- Black Integra
- · Replies 4 ·
Graduate Is antimatter matter going backwards through time?
- Freespader
- · Replies 7 ·
Graduate Is Quantum Entanglement the Secret Behind Photosynthesis?
- PatrickPowers
- · Replies 2 ·