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 Does electron has definite path?
- Godparicle
- · Replies 37 ·
Graduate Superposition and retrocausality
- Matush
- · Replies 20 ·
Undergrad De Broglie Wavelength: Moving Particles & Equations
- gracy
- · Replies 11 ·
Graduate A Gedanken Experiment Regarding Bell's Theorem and Nonlocality
- Gary Boothe
- · Replies 1 ·
Graduate Singlet and Triplet Terms misunderstanding
- Eats Dirt
- · Replies 2 ·
Undergrad Double Slit Experiment and it's Results ?
- kirsten_2009
- · Replies 2 ·
Graduate Discovery of Maxwell field's spin
- jjustinn
- · Replies 16 ·
Graduate The No Cloning theorem vs weak measurement
- Checkster2323
- · Replies 5 ·
Undergrad Understanding Hydrogen Gas Excitation & Absorption
- gracy
- · Replies 3 ·
Graduate [QM] Conservation probability to degenerate eigenvalues
- Saverio
- · Replies 3 ·
Graduate Localized High Energy Particle in a Box: Examining Superposition Limits
- Spinnor
- · Replies 1 ·
Graduate Associated Legendre differential equation involved in solving spin function?
- bearcharge
- · Replies 2 ·
Graduate What is the derivation and meaning behind the SO(2,1) invariance algebra?
- askalot
- · Replies 3 ·
Graduate About the photon carrying the electromagnetic forces
- tonyxon22
- · Replies 3 ·
Graduate Wheeler-DeWitt and timelessness
- nomadreid
- · Replies 11 ·
Graduate Polarization, Bell, and spin of photons
- jk22
- · Replies 6 ·
Graduate Entangled Particles and the Hadron Collider?
- KooperScooper
- · Replies 8 ·
Graduate Fermionic Operators & Anticommutation: All You Need to Know
- gonadas91
- · Replies 17 ·
Graduate Spin 1 Particle Representations of SO(3) and SU(2)
- LarryS
- · Replies 4 ·
Graduate Quantum scattering theory (lab frame, center of mass frame)
- moriheru
- · Replies 10 ·
Graduate Range of Weak Values: Explaining Eigenvalues of A
- msumm21
- · Replies 2 ·
Graduate Dissipation in quantum mechanics
- hokhani
- · Replies 1 ·
Graduate Description of the Electron Degeneracy Principle
- realPhysics49
- · Replies 1 ·
Graduate What is the energy of a particle
- jaydnul
- · Replies 3 ·
Graduate What Keywords Help Find Solutions for Quantum Scattering in 1D Potentials?
- morve
- · Replies 1 ·
Graduate Current of Complex scalar field
- PhyAmateur
- · Replies 2 ·
Graduate Simple question on renormalization
- moriheru
- · Replies 2 ·
Graduate Solve Gauge Equiv. of Chern-Simons Action EOM
- Maybe_Memorie
- · Replies 1 ·
Graduate Lower bounds on energy eigenvalues
- jfy4
- · Replies 3 ·
High School Beta Decay: Unstable Nuclei & Why It Occurs
- Fabian901
- · Replies 5 ·
Graduate What Constitutes a Quantum Measurement in Liquid Helium Experiments?
- muppet
- · Replies 2 ·
Graduate What is the definition of future according to quantum mechanics?
- amrani
- · Replies 15 ·
Graduate Spectrum of the Reduced matrix's eigenvalues
- fpaolini
- · Replies 1 ·
Graduate How can I compute translation invariance for p in a one dimension wave function?
- MickaelPC
- · Replies 2 ·
Graduate Calculating Expectation Value of Momentum with Fourier Transform
- rwooduk
- · Replies 2 ·
Graduate In QM, can the trajectory in the phase-space split?
- ORF
- · Replies 7 ·
Graduate Commuting operators require simultaneous eigenfunctions?
- kmm
- · Replies 25 ·
Graduate Understanding the Weak Interaction: What Causes It & What is Its Range?
- mokeejoe5
- · Replies 3 ·
Graduate Naive question: Macroscopic implications of quantum probability
- Nick O
- · Replies 5 ·
Graduate Can Singlet Spin Pairs Behave Like Bosons?
- anorlunda
- · Replies 3 ·
Graduate Can Wave Function Constants Be Both Positive and Negative?
- terp.asessed
- · Replies 5 ·
Graduate Photonic density of state in matter
- Jeffrey Yang
- · Replies 2 ·
Graduate How Does a Wave Packet Represent a Free Particle in Quantum Mechanics?
- Waxterzz
- · Replies 19 ·
Graduate Quantum Teleportation - Misconceptions and QM fundamentals
- Goodies1
- · Replies 5 ·
Graduate Proving an identity and some interesting maths stuff
- gentsagree
- · Replies 1 ·
Graduate Renormalisation of the Schrodinger equation
- spaghetti3451
- · Replies 6 ·
Graduate Information from the correlations
- naima
- · Replies 1 ·
Graduate SU(3)-invariant Heisenberg XXX chain
- Maybe_Memorie
- · Replies 1 ·
Graduate Understanding the Relative Velocity of Particle Beams
- guest1234
- · Replies 2 ·
Graduate Can Vibrational Spectroscopy Reveal Combinations of Normal Modes in Molecules?
- Talita
- · Replies 1 ·
Graduate Question about spontaneous parametric down conversion
- Clovis
- · Replies 7 ·
Graduate Is Planck's Law Based on Incorrect Assumptions About Boltzmann's Distribution?
- Luck0
- · Replies 9 ·
Graduate Quantum objects and Electromagnetic waves
- aditya ver.2.0
- · Replies 13 ·
Graduate Should the Normalization Constant be Positive or Complex?
- kmm
- · Replies 6 ·
Graduate Is perturbation theory necessary for constructing quantum field theories?
- the_pulp
- · Replies 28 ·
Graduate Quantum Mechanics Prior To The Big Bang
- Dryson
- · Replies 7 ·
Graduate What is reality according to quantum mechanics?
- Warpspeed13
- · Replies 7 ·
Graduate Exchange symmetry when adding angular momentum and in LS coupling?
- CrimsonFlash
- · Replies 3 ·
Undergrad Electron transition notation should be simple
- elegysix
- · Replies 2 ·
Graduate Quantum Visibility: Imax & Imin Explained
- suma
- · Replies 3 ·
Graduate Two slit electron diffraction / observer
- Goodver
- · Replies 1 ·
Graduate Grand Canonical Ensemble: N operator problem
- Xemnas92
- · Replies 38 ·
Graduate Why Does Functional F Not Yield Expected Results in Merzbacher QM Exercise 9.8?
- tigigi
- · Replies 1 ·
Graduate Advice for first time studying Quantum Mechanics ?
- Ibrahim Hany
- · Replies 6 ·
Graduate Lebesgue space Q & suggested readings
- tigigi
- · Replies 2 ·
Graduate Evaluating Integrals of Exponential Functions with Dirac Delta
- Dixanadu
- · Replies 7 ·
Graduate Quantum Imaging with Undetected Photons arXiv:1401.4318(quant phy)
- Dadface
- · Replies 8 ·
Graduate Can there be non-trivial IR fixed points in asymptotically free theories?
- geoduck
- · Replies 1 ·
Undergrad What are Einstein's 3 postulates for Photo electric effect?
- uzman1243
- · Replies 2 ·
Graduate Need help with some aspects of Bell’s theorem
- miosim
- · Replies 53 ·
Graduate SU(2): Get RHS from LHS of Expression
- intervoxel
- · Replies 2 ·
Graduate Is the Born Rule the Key to Understanding Schrodinger's Cat Experiment?
- moriheru
- · Replies 20 ·
Graduate How do you know the change in ml for a transition?
- Jt00
- · Replies 1 ·
Graduate Analytical solution for bound state energies of infinite well
- Bob007
- · Replies 2 ·
Undergrad Theoretical 100% Light Reflection Room
- doanr
- · Replies 1 ·
Graduate Fermi's Golden Rule Density of States
- I<3NickTesla
- · Replies 3 ·
Graduate Emuberable and Demumerable sets
- sweet springs
- · Replies 8 ·
Graduate Angular Momentum: P.A.M Dirac QM Principles Explained
- jamie.j1989
- · Replies 4 ·
Graduate Efficiency of non-linear optical device
- zhanhai
- · Replies 3 ·
Graduate Proving the Isomorphism Property of the Spinor Map in SL(2,C) and SO(3,1)
- gentsagree
- · Replies 2 ·
Graduate The simplest derivation of position operator for momentum space
- cryptist
- · Replies 6 ·
Graduate Understanding Scattering and Bound State Solutions in Quantum Mechanics
- Logan Rudd
- · Replies 1 ·
Graduate How Should I Think About the Dirac Equation
- bolbteppa
- · Replies 13 ·
Graduate Experimental Support of Shrodinger Equation
- Hertz
- · Replies 12 ·
Graduate Divergence of the Stress-Energy Tensor
- Paddyod1509
- · Replies 4 ·
Graduate RQM vs QM ( relativistic quantum mechanics vs quantum mechanics)
- moriheru
- · Replies 8 ·
Graduate What Are the Most Accurate Theories in Quantum Physics?
- nickisverygoo
- · Replies 2 ·
Graduate Understanding Traceless Proof for Gamma Matrices
- robotsheep
- · Replies 10 ·
Graduate Stationary States vs General Solution
- jaydnul
- · Replies 1 ·
Graduate Can the Double Slit Experiment Reveal Information About Parallel Dimensions?
- Martyn Adams
- · Replies 4 ·
Undergrad Characteristic Spectrum and the K-alpha line
- Baddum12
- · Replies 2 ·
Graduate The Quantum Computer and beamsplitter
- zrek
- · Replies 2 ·
Graduate Deriving speed of light from QED
- robcon
- · Replies 8 ·
Graduate Question from a 5 year old: Bell and Black Holes
- jshrager
- · Replies 13 ·
Graduate Expectation Value vs Probability Density
- jaydnul
- · Replies 4 ·
Graduate Adjoint of Schrodinger Equation
- catsarebad
- · Replies 6 ·
Graduate Why Can Electrons Tunnel Through Barriers in Quantum Mechanics?
- songoku
- · Replies 4 ·
Graduate Hopf Algebras in Quantum Groups
- bolbteppa
- · Replies 2 ·
Graduate Has the double-slit experiment been conducted with multiple observers?
- Krasi_Gavrilov
- · Replies 2 ·
Graduate Interaction between light and hydrogen atom
- damosuz
- · Replies 1 ·