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 What are the SU groups? I.e SU(2), SU(3)?
- RyanTG
- · Replies 4 ·
Graduate The Time Independence of Normalization
- kq6up
- · Replies 4 ·
Graduate Allowed energy levels of electrons
- Jimmy87
- · Replies 1 ·
Graduate Double-Slit Interference in Quantum Mechanics
- Robert_G
- · Replies 5 ·
Graduate Why is quantum physics needed to explain photosynthesis ?
- Murtuza Tipu
- · Replies 2 ·
Graduate Hydrogen Atom in homogeneous magnetic vector potential
- VVS
- · Replies 6 ·
Graduate A tad confused about gravitons
- FysixFox
- · Replies 6 ·
Graduate Deriving Photon Rotation Formula for Monte Carlo Simulation - Step-by-Step Guide
- Murtuza Tipu
- · Replies 1 ·
Graduate Transition probabilities subject to Lloyd's finite information limit?
- Bill H
- · Replies 3 ·
Graduate Detecting state of an electron
- RobikShrestha
- · Replies 6 ·
Graduate Spacetime and gravity and fields
- brianhurren
- · Replies 7 ·
Graduate Degeneracy: Is it Necessary for Experiments?
- Jano L.
- · Replies 8 ·
Graduate Dimensions of Hilbert Spaces confusion
- nomadreid
- · Replies 35 ·
Graduate Polarization coincidence formula for known polarization?
- georgir
- · Replies 1 ·
Graduate Does Gaussian function give bound states for a particle?
- suvendu
- · Replies 8 ·
Graduate Quantum mechanicss after electrical and electronics engineering?
- sagarbhathwar
- · Replies 1 ·
Graduate A Commutator of annihilation operator
- Robert_G
- · Replies 1 ·
Graduate State vectors and Eigenvalues?
- kq6up
- · Replies 5 ·
Graduate The probability of something happening
- Duhoc
- · Replies 17 ·
Graduate Coherence time of parametrically downconverted entangled photons
- nandan
- · Replies 4 ·
Graduate Fourier transform of an assumed solution to a propagating wave
- erba
- · Replies 1 ·
Graduate Is the trace of an outer product always equal to 1?
- kq6up
- · Replies 4 ·
Graduate Reflection/refraction probability
- Goodver
- · Replies 1 ·
Graduate Virtual Particles in Inter-Quark Space
- Islam Hassan
- · Replies 2 ·
Graduate Article on Hanson quantum teleportation
- Thinkor
- · Replies 2 ·
Graduate The rigid rotator and Angular momentum.
- siddharth5129
- · Replies 2 ·
High School Quantum Teleportation Explained: Simple Terms for 13 Y/O
- Alex Jong
- · Replies 19 ·
Graduate Atmospheric Emission: Climate Change, CO2 & Quantum Chemistry
- atlstroke
- · Replies 1 ·
Graduate Some questions about the heisenberg picture
- HomogenousCow
- · Replies 1 ·
Graduate Non Commuting Observables not Representing a Complete Set?
- kq6up
- · Replies 13 ·
Graduate Casimir Effect, what does (x,θ) mean?
- epislon58
- · Replies 2 ·
Undergrad Relation between photons and EM wave frequency
- humbleteleskop
- · Replies 7 ·
Graduate Index Notation & Dirac Notation
- TheAustrian
- · Replies 105 ·
Graduate Unitary transformation of pure states to other pure states
- m~ray
- · Replies 7 ·
Graduate Photoactivated localization microscopy (PALM)
- gkiverm
- · Replies 1 ·
Graduate The state of a hydrogen electon ?
- siddharth5129
- · Replies 4 ·
Graduate Forming new energy levels in semiconductor by UV light
- Stanley514
- · Replies 1 ·
Graduate Physical meaning of solution to step potential with E = V0
- hnicholls
- · Replies 27 ·
Graduate Is Quantum Gravity the Key to Understanding the Universe?
- brianhurren
- · Replies 3 ·
Undergrad How does atmospheric dissipation affect UV light measurements?
- ykaravas
- · Replies 1 ·
Graduate Equation of Motion from Lagrangian - Zee QTF in a Nutshell
- sloneranger
- · Replies 8 ·
Graduate Does uncertainty principle apply to quantities other than position and momentum?
- velo city
- · Replies 11 ·
Graduate Source for "Shut up and calculate"
- rigetFrog
- · Replies 13 ·
Graduate What happens to psi in Infinite potential well
- bs vasanth
- · Replies 2 ·
Graduate A question about CP Violation.
- damian081
- · Replies 5 ·
Graduate What doe it mean that energy is quantized?
- kjamha
- · Replies 19 ·
Graduate Feynman's detectors at double slit
- DParlevliet
- · Replies 7 ·
Graduate Emergent coordinate systems in quantum physics
- zdcyclops
- · Replies 7 ·
Graduate Hypothesis of Quantum Entanglement acting up particle/wave duality
- bgrah25
- · Replies 9 ·
Graduate Wave-Particle Duality and Particle Specific Identification
- ir316507
- · Replies 3 ·
Graduate Temporal coherence in Computational ghost imaging
- nandan
- · Replies 20 ·
Graduate Free particle in one dimension
- angass
- · Replies 3 ·
Graduate Uncertainty principle - Nature of observer
- freeelectron
- · Replies 5 ·
Graduate Are all wave functions energy-eigenstates?
- Nikitin
- · Replies 5 ·
Graduate Why do we think that collapse occurs at measurement?
- mmiguel
- · Replies 10 ·
Graduate Symmetry of Spatial Wavefunctions
- cooev769
- · Replies 3 ·
Graduate Measurements and wavefunction collapse.
- maka89
- · Replies 6 ·
Graduate Hydrogen Radial Equation: Recursion Relation & Laguerre Polynomials
- jayqubee
- · Replies 5 ·
Graduate What does the symbol \mathscr{P} in Atom-Photon Interactions stand for?
- Robert_G
- · Replies 1 ·
Graduate Photon's spin and orbital angular momentum
- intervoxel
- · Replies 2 ·
Graduate Wave function of particles approching 0 K
- nehorlavazapal
- · Replies 11 ·
Graduate Dual Tensors in Lagrangian: Why are they not included in U(1) theory?
- guest1234
- · Replies 6 ·
Graduate Fundamental forces and Pauli's exclusion principle
- hokhani
- · Replies 4 ·
Graduate Understanding the Electron Wave Function
- Mikeal
- · Replies 3 ·
Graduate Is Zeno's Paradox Relevant in Understanding Digital and Real-World Motion?
- p764rds
- · Replies 7 ·
Graduate Complete set of eigenfunctions
- Nikitin
- · Replies 6 ·
Graduate How can the electron density expression be simplified using momenta?
- arierreF
- · Replies 10 ·
Graduate Wave function collapse in QED?
- QuasiParticle
- · Replies 44 ·
Graduate Unitary operator acting on state
- copernicus1
- · Replies 2 ·
Undergrad Quantum theory and electronic engineering
- vead
- · Replies 5 ·
Graduate Proof that the linear momentum operator is hermitian
- Paul Black
- · Replies 5 ·
Graduate Mega quick question: must the Lagrangian (density) be real valued?
- guest1234
- · Replies 5 ·
Graduate Experiment: Photon propagating trough dense neutrino beam
- Edi
- · Replies 4 ·
Graduate Use of ancillary bits in quantum computing
- BlackHole213
- · Replies 2 ·
Graduate Are All Electrons Entangled with Each Other?
- metroplex021
- · Replies 2 ·
Graduate How are wavefunctions and eigenkets used differently in quantum mechanics?
- carllacan
- · Replies 30 ·
Graduate Ehrenfest Theorem in Quantum Mechanics: Bohr-Sommerfield's Theory
- ChrisVer
- · Replies 7 ·
Graduate The dot or cross product of two operators acting on a state
- Robert_G
- · Replies 3 ·
Graduate Linearisation of Lie Group Higher dimensional groups
- CAF123
- · Replies 21 ·
Graduate Can Our Consciousness Exist in Multiple Parallel Universes Simultaneously?
- jlee225
- · Replies 1 ·
Graduate What is the impact of discontinuous potentials on quantum harmonic oscillators?
- samgrace
- · Replies 6 ·
Graduate Imaginary free energy and decay rate
- santale
- · Replies 1 ·
Graduate Why Are Physicists Struggling to Quantize Gravity in Quantum Field Theory?
- brianhurren
- · Replies 2 ·
Graduate What Makes J = L + S Confusing in Quantum Mechanics?
- Matterwave
- · Replies 11 ·
Graduate Complex conjugate of a wavefunction
- Muthumanimaran
- · Replies 6 ·
Graduate Double slit experiment with magnets
- Commando Spaz
- · Replies 3 ·
Graduate Stern Gerlach Experiment and Spin
- cooev769
- · Replies 25 ·
Graduate Understanding tensor operators
- CAF123
- · Replies 3 ·
Graduate Expectation values of unbounded operator
- Ravi Mohan
- · Replies 2 ·
Graduate Expectation Value of Gaussian Wave Function: Position & Momentum Zero?
- kashokjayaram
- · Replies 2 ·
Graduate Arranging 3 Identical Electrons
- kashokjayaram
- · Replies 6 ·
Graduate Why can we choose wavefunctions to be real?
- AndrewShen
- · Replies 2 ·
Graduate A few basic questions about quantum information
- wywong
- · Replies 1 ·
Graduate Is it Possible to Spin an Atom without Breaking it Apart?
- 1832vin
- · Replies 1 ·
Graduate Understanding Entropy and Gravity in Quantum Field Theory: A Beginner's Guide
- M. next
- · Replies 4 ·
Graduate How can you relate standing wave to a corpuscle at rest?
- suvendu
- · Replies 6 ·
Graduate How can I derive the Dirac equation from Lagrangian?
- devd
- · Replies 1 ·
Graduate What is the concept of gauge symmetry in physics?
- ShayanJ
- · Replies 15 ·
Graduate Energy, frequency, and Planck's constant
- michael879
- · Replies 23 ·
Graduate Can Schrödinger's Cat's State Be Measured Through Gravity?
- jon4444
- · Replies 4 ·