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 There is only one electron in the universe
- microsansfil
- · Replies 3 ·
Graduate Position Eigenstates: Measurement & Imperfect Performance
- Dale
- · Replies 89 ·
Graduate Are shell electrons accompanied by virtual neutrinos?
- Michael S
- · Replies 7 ·
Graduate What is the solution to the shifting of the wall problem in quantum mechanics?
- kini.Amith
- · Replies 14 ·
Graduate Momentum and energy eigenvalues
- dyn
- · Replies 7 ·
Graduate Scattering Within Rectangular Waveguide With A Step Obstacle
- skujesco2014
- · Replies 15 ·
Graduate Quantum Fluctuations and Big Bang
- bgq
- · Replies 2 ·
Graduate What happens with non orthogonal eigenvectors
- jk22
- · Replies 9 ·
Graduate How to Solve the Dirac Equation for a Two-Particle System?
- nakulphy
- · Replies 5 ·
Graduate Momentum cutoff equivalent to discretizing space?
- geoduck
- · Replies 1 ·
Graduate The Double Slit Experiemts & Half Silver Mirror Question?
- Calabi.Yau
- · Replies 2 ·
Graduate A few conceptual questions on time evolution of quantum states
- "Don't panic!"
- · Replies 18 ·
Graduate Susskind about QM - Reversed Time - Experiment?
- Omega0
- · Replies 2 ·
Graduate Application of the Fokker-Planck equation
- alecrimi
- · Replies 1 ·
Graduate Is SU(2) the key to understanding quantum numbers and symmetry?
- TrickyDicky
- · Replies 1 ·
Graduate Eigenfunctions corresponding to a particular energy value
- hokhani
- · Replies 1 ·
Graduate Spin precession vs alignment in magnetic field
- 43arcsec
- · Replies 11 ·
Undergrad Does Energy Determine the Spread of Matter in Space?
- neomahakala108
- · Replies 10 ·
Graduate Quadrupole Decay Rate E2 Angular Dependence
- MisterX
- · Replies 1 ·
Graduate Are Photons Capable of Traveling Faster Than Light?
- anorlunda
- · Replies 3 ·
Graduate (A bit for fun) Putting a Human in Superposition
- QuestionMarks
- · Replies 21 ·
Graduate Hermite representation for integrals?
- Mniazi
- · Replies 4 ·
Graduate Complete positivity and quantum dynamics
- JorisL
- · Replies 3 ·
Graduate Spin-Orbit Interaction - Meaning and Some Mathematics
- Sunnyocean
- · Replies 1 ·
Undergrad Is There an Optimal Resonant Frequency for Light Oscillations?
- Rob Hoff
- · Replies 5 ·
Graduate Entanglement and physical spacelike connection
- Jonathan Scott
- · Replies 3 ·
Graduate What is wave of photon? oscillation of something in space?
- pastelchu
- · Replies 39 ·
Graduate Some questions about commutation relation
- zbnju
- · Replies 2 ·
Graduate Zeeman Effect, Angular Momentum States, Dipole vs No Dipole.
- Dindimin09
- · Replies 1 ·
Graduate Intro Quantum Mechanics: Neils Bohr Model Explained
- Yashbhatt
- · Replies 3 ·
Graduate Waveform of Photons: Current Thinking & Analysis
- exmarine
- · Replies 5 ·
Graduate Atomic excitation via photon absorption
- tyneoh
- · Replies 10 ·
Graduate Why Doesn't the Electromagnetic Force Boson Have a Charge?
- Rob Hoff
- · Replies 26 ·
Graduate Relation between QED photon frequency and classical EM frequency
- apb86
- · Replies 2 ·
Graduate Dirac on Spreading Wave Packets
- anorlunda
- · Replies 4 ·
Graduate What happens to infinitesimal time in path integral
- Ravi Mohan
- · Replies 5 ·
Graduate Can We Control the Higgs Boson and Its Mechanism for Mass?
- spacecadet11
- · Replies 1 ·
Graduate The state of two identical bosons
- Wuberdall
- · Replies 4 ·
Graduate Explaining Spin-Orbit Coupling: Energy Levels & Sub-Levels
- Sunnyocean
- · Replies 10 ·
Undergrad Stern-gerlach with hydrogen atoms
- cragar
- · Replies 5 ·
Graduate Nick Bostrom's Simulation Hypothesis
- wheelersbit
- · Replies 2 ·
Graduate How to interpret rotational, electronic, vibrational energy levels
- fog37
- · Replies 1 ·
Undergrad Atomic Number & Orbital Energy: Explained
- kay
- · Replies 3 ·
Undergrad Electrons in s-robital shielding outer electrons
- kay
- · Replies 2 ·
Graduate How Can I Write an Operator in the Coupled and Uncoupled Basis?
- Sunnyocean
- · Replies 5 ·
Graduate Confused about wavefunctions and kets
- dyn
- · Replies 32 ·
Graduate NASA's New Space Engine: SRF Resonating Cavities
- zincshow
- · Replies 1 ·
Graduate The physical world cannot be a single history
- RUTA
- · Replies 16 ·
Undergrad Electron shells in atoms: WHY do they exist as they do?
- PurposeNation
- · Replies 9 ·
Graduate What is the experimental basis for Einstein's conclusion on the Helium atom?
- AntonHoltz
- · Replies 3 ·
Graduate Is There an Error in the Third Dirac Current Equation?
- woodland
- · Replies 3 ·
Graduate Observer vs Natural phenomenon
- jaydnul
- · Replies 2 ·
Undergrad Electron orbital velocity in hydrogen atom?
- carrz
- · Replies 49 ·
Graduate Can a two-qubit state be proven to be non-entangled using contraposition?
- JorisL
- · Replies 2 ·
Graduate Any ideas on this hypothesis concerning the universe?
- Silvers931
- · Replies 1 ·
Graduate Simplifying expression with gamma matrix and slashes
- besprnt
- · Replies 2 ·
Graduate Understanding the Born Rule for Continuous Particle Position Measurement"
- nomadreid
- · Replies 3 ·
Graduate Which type of wave does de Broglie's theory suggest for matter?
- kay
- · Replies 2 ·
Graduate Question about Energy Interactions.
- neomahakala108
- · Replies 14 ·
Undergrad Do AB and BA always exist in matrix multiplication?
- dyn
- · Replies 15 ·
Graduate Differentiation between massless Bosons
- James Carter
- · Replies 2 ·
Graduate Negative Energy in Quantum Mechanics: Can Particles Exist?
- Gebri Mishtaku
- · Replies 6 ·
Graduate Stern-Gerlach Experiment (spatial consistency of the magnetic moment)
- nmbr28albert
- · Replies 1 ·
Graduate Do wavefunctions always need to be normalised?
- Dindimin09
- · Replies 1 ·
Graduate Positrons are electrons traveling backward in time?
- NUCLIDES
- · Replies 12 ·
Graduate Point in Space: Classical Math & Recent Physics
- LotusPond_14
- · Replies 50 ·
Graduate History and origin of amplitude summation in QFT
- BucketOfFish
- · Replies 5 ·
Graduate Quantum vacuum in proximity of matter
- markuslig
- · Replies 7 ·
Graduate Can an electron be in more than two places at once?
- jebii
- · Replies 20 ·
Graduate Separation of the centre of mass motion
- pat1enc3_17
- · Replies 3 ·
Graduate Relation between the spinor and wave function formalisms
- nmbr28albert
- · Replies 5 ·
Graduate No drama quantum electrodynamics? (was: Local realism ruled out?)
- akhmeteli
- · Replies 77 ·
Graduate What is <x_1-x_2> for two particles in a 1-D harmonic oscillator
- Mniazi
- · Replies 27 ·
Graduate Correlation functions and Ward identities
- CAF123
- · Replies 24 ·
Graduate Brainfarting reading Griffiths QM (small step in solving Hydrogen atom
- ThereIam
- · Replies 4 ·
Graduate Non-dimensionalization of Schrodinger equation
- ShayanJ
- · Replies 3 ·
Graduate Basic question about equations of Quantum field theory (QFT)
- fog37
- · Replies 3 ·
Undergrad Radioactive Decay Experiment Ideas | Shielding Variables
- Nico123
- · Replies 3 ·
Graduate How Does a Magnetic Field Influence Positronium States?
- "pi"mp
- · Replies 2 ·
Graduate Measurement Problem & Objectivity
- kindaroomy
- · Replies 13 ·
Graduate Remotely changing superconductor levitation height
- jtmarmon
- · Replies 1 ·
Graduate Is Dirac's Definition of the Quantum Poisson Bracket Logical?
- anorlunda
- · Replies 5 ·
Graduate Best books for computational quantum mechanics?
- ggb123
- · Replies 1 ·
Graduate Exam-information math.-qm.-phys
- pat1enc3_17
- · Replies 1 ·
Graduate Eigenvectors of this Hamiltonian
- ShayanJ
- · Replies 4 ·
Graduate The detector itself contaminating double slit? How do we know?
- mattjfox
- · Replies 70 ·
Graduate Fourier analysis and continuous spectra
- ThereIam
- · Replies 1 ·
Graduate Can I delete a thread on Lef In Dirac's Principles of Quantum Mechanics?
- anorlunda
- · Replies 2 ·
Graduate Massless Fermions: Physics & Existence
- LarryS
- · Replies 2 ·
Graduate Understanding Wave Functions: Definition, Equations, and Applications
- Greg Bernhardt
- · Replies 1 ·
Graduate How Is the Heisenberg Uncertainty Principle Derived?
- Greg Bernhardt
- · Replies 1 ·
Graduate What is the uncertainty principle
- Greg Bernhardt
- · Replies 1 ·
Graduate Time-Ordered Definition & Summary: What Is It?
- Greg Bernhardt
- · Replies 1 ·
Graduate What is a quantum harmonic oscillator
- Greg Bernhardt
- · Replies 1 ·
Graduate How Do Neutrino Oscillations Reveal the Nature of Neutrinos?
- Greg Bernhardt
- · Replies 1 ·
Graduate How Does the Feynman Propagator Define Particle Movement in Quantum Mechanics?
- Greg Bernhardt
- · Replies 1 ·
Graduate What Is the Expansion Postulate in Quantum Mechanics?
- Greg Bernhardt
- · Replies 1 ·
Graduate What is the Definition and Mathematical Explanation of Density of States?
- Greg Bernhardt
- · Replies 1 ·
Graduate What is the significance of matrix elements of vectors in quantum mechanics?
- bolbteppa
- · Replies 1 ·
Graduate What is Characteristic Length?
- Bashyboy
- · Replies 4 ·