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 Is discreteness supplied or demanded?
- cwilliams562
- · Replies 4 ·
Graduate Bound state negative potentials into harmonic oscillator basis
- GeneralGrant
- · Replies 2 ·
Undergrad Looking for some help with constructing a double slit experiment
- rpfineman
- · Replies 5 ·
Graduate About self-measurement in entangled system
- aalberto
- · Replies 24 ·
Graduate Going back to basics: The Normal Force
- Matt-er
- · Replies 9 ·
Graduate Baker–Campbell–Hausdorff (CBH) Formula question
- BlackHole213
- · Replies 2 ·
Graduate Homemade Quantum Eraser Experiment revisited with photos and full text
- fizixfan
- · Replies 13 ·
Undergrad Double Slit Experiment Questions
- ivanwho49
- · Replies 4 ·
Graduate Questions about tensor operator
- kjjtr
- · Replies 1 ·
Graduate Energy of electron + positron separated by distance
- xortdsc
- · Replies 12 ·
Graduate Spherical harmonics of Hydrogen-like atoms
- Nikitin
- · Replies 4 ·
Graduate Why can magnetic quantum no. only take values between -l and +l?
- Aerozeppelin
- · Replies 19 ·
Graduate Roksar-Kivelson Hamiltonian for a Quantum Dimer Gas
- Shinn497
- · Replies 1 ·
Undergrad WaveLengths of Light Waves and their respective photons
- user3
- · Replies 9 ·
Graduate Photon interaction with atoms in transparent medias
- Milad H
- · Replies 7 ·
Graduate What is the Quantum Domain and Its Role in Levels of Existence?
- Satya_Sen
- · Replies 4 ·
Graduate Quantum Teleportation: Confusion on Bell-State Measurement Step
- kdlsw
- · Replies 2 ·
Graduate S-Matrix definition and terminology
- geoduck
- · Replies 7 ·
Graduate Quantum Vacuum and Quantum Foam
- Quantizer
- · Replies 9 ·
Graduate Quantum interference. Really. Really?
- wildee44
- · Replies 12 ·
Graduate Calculating Commutator of Differential Angular Momentum
- Chem.Stud.
- · Replies 5 ·
Graduate Other Theories of the Quantum Brain
- BHL 20
- · Replies 16 ·
Graduate Stern-Gerlach spin probability
- sweetdreams12
- · Replies 1 ·
Graduate Black-body radiation spectral analysis
- mic*
- · Replies 2 ·
Graduate Problem with Gaussian Integral
- facenian
- · Replies 6 ·
Graduate Is the distintion between vector and rays relevant?
- carllacan
- · Replies 4 ·
Graduate Quantum mechanics: wave function (momentum space vs real space)
- Nikitin
- · Replies 11 ·
Graduate What are some potential applications of quantum teleportation?
- Strilanc
- · Replies 8 ·
Graduate Frequency = mass or does it?
- H_A_Landman
- · Replies 10 ·
Graduate How Can Higher Order Relativistic Corrections Improve Hydrogen Atom Models?
- M. next
- · Replies 4 ·
Graduate Alternative definition of constants
- carllacan
- · Replies 6 ·
Graduate Help with Operators written as components.
- Inertia
- · Replies 1 ·
Graduate A new version of quantum theory
- ftr
- · Replies 4 ·
Graduate Photobleaching of fluorophores
- gkiverm
- · Replies 6 ·
Graduate What Does a Negative or Imaginary Partition Function Indicate?
- santale
- · Replies 4 ·
Graduate Why this combination and not another
- M. next
- · Replies 9 ·
Graduate Quantum Eraser experiment reproduced at home
- fizixfan
- · Replies 4 ·
Graduate Electron Correlation in Molecular Systems: Meaning & Types
- Karrar
- · Replies 5 ·
Graduate The main problem with Hidden Variable Theory
- hankaaron
- · Replies 7 ·
Graduate Sakurai Degenerate Perturbation Theory: projection operators
- maverick280857
- · Replies 3 ·
Graduate Does information always conserve?
- kdlsw
- · Replies 2 ·
Graduate How to quantize a particle confined to the surface of a sphere?
- wdlang
- · Replies 5 ·
Graduate Particle annihilation in quantum vacuum
- pabloxd43
- · Replies 2 ·
Graduate A question about interferometry (Zeilinger paper)
- naima
- · Replies 1 ·
Graduate Would gravity waves exhibit quantum properties?
- wmikewells
- · Replies 7 ·
Graduate Kochen-Specker Proofs Look Wrong to Me
- nougiecat
- · Replies 1 ·
Graduate Effect of phase change in wave function on energy
- jordankonisky
- · Replies 1 ·
Graduate State vector behaviour during coupling
- James MC
- · Replies 15 ·
Graduate Explaining quantized angular momentum?
- RKlintworth
- · Replies 8 ·
Undergrad A little magic trick with polarized film
- fizixfan
- · Replies 22 ·
Graduate Srednicki's normalization of path integral
- geoduck
- · Replies 4 ·
Graduate Superdense coding for sending 2 qubits at a time?
- Strilanc
- · Replies 1 ·
Graduate Understanding Wavefunction Collapse After Measurement
- Waxterzz
- · Replies 2 ·
Graduate Trying to understand particle polarization
- Chain
- · Replies 5 ·
Graduate Klein-Gordon Field: Understanding Eq. (1)
- grimx
- · Replies 4 ·
Graduate Does quantum computer can to send the information faster than light ?
- parakorn
- · Replies 1 ·
Graduate Continuous resolution of identity in a discrete Hilbert-space
- FredMadison
- · Replies 5 ·
Graduate Why must a scalar field have a constant vacuum expectation value?
- lalo_u
- · Replies 8 ·
Graduate No solution with E=v0 for step potential
- hnicholls
- · Replies 2 ·
Undergrad Does polarization change upon reflection?
- alter
- · Replies 6 ·
Graduate How to get the commutation relation of q and p
- chern
- · Replies 5 ·
Graduate Positronium from vacuum fluctuations ?
- xortdsc
- · Replies 4 ·
Graduate The normalization constant in wave function and another questions
- KFG2050
- · Replies 1 ·
Graduate Pointer Momentum of a Measuring Apparatus
- SheikYerbouti
- · Replies 3 ·
Graduate Crude Probability calculation for tunneling
- decerto
- · Replies 2 ·
Graduate Conserved quantities as symmetry generators
- Chopin
- · Replies 1 ·
Graduate Quantum Entanglement Basic Experiment Question
- st29
- · Replies 2 ·
Graduate Expectation value of an operator
- suma
- · Replies 1 ·
Graduate Translation operator on a sphere
- kashokjayaram
- · Replies 5 ·
Graduate The central mystery of quantum mechanics (according to Feynman)
- Dadface
- · Replies 30 ·
Graduate Weak gravity at quantum level?
- M. next
- · Replies 4 ·
Graduate Orbitals while transitioning from free electron to ground state
- rconde01
- · Replies 5 ·
Graduate What causes different energy levels in atoms with multiple electrons?
- Goodver
- · Replies 1 ·
Graduate Covariant vs Canonical Formalism
- Quantizer
- · Replies 4 ·
Graduate Non Polynomial Hamiltonian Constraint
- Quantizer
- · Replies 1 ·
Graduate Quantum Mechanics as Quantum Information
- Jilang
- · Replies 2 ·
Graduate Projective representations of the spin group
- electroweak
- · Replies 4 ·
Graduate Isotropic absorption and emission
- ArchieDave
- · Replies 1 ·
Undergrad Do you know any properties of photons?
- Dadface
- · Replies 1 ·
Graduate Verifying Equality in Scarani's "Six Quantum Pieces
- StevieTNZ
- · Replies 25 ·
Graduate Complementarity with single slit diffraction
- DParlevliet
- · Replies 5 ·
Graduate Does time reversal symmetry imply hermicity of s-matrix?
- geoduck
- · Replies 5 ·
Graduate Is ρV a reliable measure of atom probability in small volumes?
- aaaa202
- · Replies 4 ·
Graduate Probability theory and quantum mechanics
- V0ODO0CH1LD
- · Replies 11 ·
Graduate Angular momentum Operators and Commutation
- cooev769
- · Replies 29 ·
Graduate Physically realisable states and spectra
- cooev769
- · Replies 6 ·
Graduate Does uncertainty of position of particles make substances continuous?
- mrspeedybob
- · Replies 11 ·
Graduate Remind me where to find a proof of a spectral theorem for RHS
- Fredrik
- · Replies 4 ·
Graduate If you measure the energy of a system how does wave function collapse
- cooev769
- · Replies 12 ·
Graduate Is There Experimental Proof of Photon Existence Beyond Emission and Absorption?
- JCMaxwell
- · Replies 3 ·
Graduate Why is there little decoherence for photons?
- Halaaku
- · Replies 10 ·
Graduate How to compute Von Neumann entropy?
- naima
- · Replies 7 ·
Graduate Virtual particles and the Uncertainity Principle
- Yashbhatt
- · Replies 6 ·
Graduate Shape of the magnet in the Stern-Gerlach experiment
- carllacan
- · Replies 1 ·
Graduate Set Up Eigenspace for Particle in 1st State: nx,ny,nz
- helpppmeee
- · Replies 7 ·
Graduate Understanding Coupled Spin Operators
- cooev769
- · Replies 7 ·
Graduate Net Angular Momentum: Clarifying Confusion
- cooev769
- · Replies 3 ·
Graduate Understanding S-matrix elements in QFT
- "Don't panic!"
- · Replies 6 ·
Graduate How Do Matrix Representations Relate to Wave Functions in Quantum Mechanics?
- cooev769
- · Replies 3 ·
Graduate Photon's change of direction of propagation
- Goodver
- · Replies 1 ·