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 is the difference between H and E in the equation Hψ = Eψ?
- terp.asessed
- · Replies 7 ·
Graduate Is Haag's Theorem Relevant for Solving QFT Problems?
- Arsenic&Lace
- · Replies 13 ·
Graduate Missing h-bar in showing SHO in terms of ANHIL and CREA operators is correct
- rwooduk
- · Replies 12 ·
Graduate On the Wave-Particle Duality property of light
- aditya ver.2.0
- · Replies 15 ·
Graduate Coordinate space matrix elements <x|H|x'>. what are these?
- catsarebad
- · Replies 2 ·
Graduate Why Does the Hopping Term in the Hubbard Model Project to Zero at Half-Filling?
- psi*psi
- · Replies 4 ·
Graduate Probability of finding a particle [concept behind it]
- catsarebad
- · Replies 3 ·
Graduate Requirement of Separability of Hilbert Space
- Kushagra Nigam
- · Replies 17 ·
Graduate Calculating Fourier Transform in Circular Wells
- dongsh2
- · Replies 2 ·
Graduate Uncertainty Principle mechanics
- terp.asessed
- · Replies 5 ·
Graduate Solutions of schrodinger equation contradicts HUP
- Maharshi Roy
- · Replies 5 ·
Graduate Pilot wave models and "no cross" rule
- bohm2
- · Replies 1 ·
Graduate Why does tracing out help in averaging over unobserved degrees of freedom?
- naima
- · Replies 2 ·
Graduate Formula of Heisenberg Uncertainty
- songoku
- · Replies 7 ·
Graduate Stimulated Emission: De-exciting Electrons with Photons
- Shailesh Pincha
- · Replies 7 ·
Graduate Smoothness of potential energy and powers of momentum
- sweet springs
- · Replies 3 ·
Graduate Probability of Photoelectric Effect Occuring in the Context of Medical Imaging
- WoahWoah
- · Replies 2 ·
Graduate Determining bound states for delta function potential
- Logan Rudd
- · Replies 4 ·
Graduate Change of Basis For Pauli Matrix From Z Diagonal to X Diagonal Basis
- bohrpiphi
- · Replies 1 ·
Graduate Quantum vs. Classical Mechanic graphing
- terp.asessed
- · Replies 4 ·
Graduate Does the wave function really collapse into a state?
- Erland
- · Replies 18 ·
Graduate Dirac gammology - dimension of the algebra
- Loro
- · Replies 1 ·
Graduate Determinism in Coin Tosses: Does It Mean We Have Free Will?
- bland
- · Replies 2 ·
Graduate Meaning of Single Photon Interference Minima
- LikesIntuition
- · Replies 5 ·
Graduate QM questions: MO theory orbital combination
- kayan
- · Replies 4 ·
Graduate What are the Bound States for a Sum of Two Negative Delta-Function Potentials?
- Logan Rudd
- · Replies 4 ·
Graduate Help to understand the state notation
- KFC
- · Replies 23 ·
Graduate Schrödinger Equation in the classical limit
- Erland
- · Replies 3 ·
Graduate Quarkonium: General Information
- buzsh
- · Replies 1 ·
Graduate Wavelength uncertainity for particle in a box
- Maharshi Roy
- · Replies 3 ·
Graduate Can an electron stand in the same place as a proton?
- Godparicle
- · Replies 12 ·
Graduate Phase of Orbital/Wavefunctions in Hydrogen 2px
- Mark S 2014
- · Replies 5 ·
Graduate That Heisenberg Uncertainity Principle
- PeterPeter
- · Replies 2 ·
Graduate Quantum Measurement Problem: Nature of Matter or Nature of Probability?
- Michael McShane
- · Replies 22 ·
Graduate Schrødinger equation deriving diff equation
- fisher garry
- · Replies 4 ·
Graduate Understanding Device Identification of Non-Orthogonal Quantum States
- RobikShrestha
- · Replies 19 ·
Graduate Identifying Projection Operators: Is Idempotence Enough?
- kini.Amith
- · Replies 2 ·
Undergrad What is the physical unit of teleport?
- vlemon265
- · Replies 5 ·
Graduate Commutator problem (position, momentum)
- Kentaxel
- · Replies 3 ·
Graduate The Wave-Particle Duality of light and the laws of reflection
- aditya ver.2.0
- · Replies 1 ·
Graduate If you have three things in a bra ket what does it mean?
- rwooduk
- · Replies 19 ·
Graduate High energies during wave function "collapse"?
- noahcharris
- · Replies 1 ·
Graduate Why does photons of a given frequency satisfy the Boltzmann distribution?
- center o bass
- · Replies 5 ·
Graduate Operators on infinite-dimensional Hilbert space
- linbrits
- · Replies 3 ·
Graduate What Is the Minimum Volume of Phase Space?
- center o bass
- · Replies 4 ·
Graduate Wave-particle duality at Macro scale?
- bohm2
- · Replies 108 ·
Graduate QM and Determinism: Can We Predict the Future?
- Johan0001
- · Replies 68 ·
Graduate Help with solving for <f |H f >
- talabax
- · Replies 11 ·
Graduate Unit Circle and Quantum Predictions [hidden variable model agrees with QM?]
- rlduncan
- · Replies 15 ·
Undergrad Double bonds and energy level
- terp.asessed
- · Replies 2 ·
Graduate Neumark dilation and entanglement
- naima
- · Replies 5 ·
Undergrad Does the intrepretation affect the measurement?
- MathematicalPhysicist
- · Replies 12 ·
Graduate How does QED explain charge interaction in the macro world?
- DennisChen
- · Replies 3 ·
Graduate Spin difference between entangled and non-entangled
- Alien8
- · Replies 194 ·
Undergrad Is the Energy Change in a Bohr Atom Always Equal to One Photon?
- Vishera
- · Replies 2 ·
Graduate Watching Electrons: Experiments in Feynman's Lectures
- Philip Van Hoof
- · Replies 9 ·
Graduate Beam splitting experiment with single photon
- entropy15
- · Replies 1 ·
Graduate Dirac delta function identities
- subny
- · Replies 1 ·
Graduate Seeking opinion of others on quantum systems control and estimation theory
- R D
- · Replies 4 ·
Graduate Concerning spherical potential wells
- moriheru
- · Replies 8 ·
Graduate Absorption of a photon by atom - where does the energy go?
- wotanub
- · Replies 2 ·
Graduate When can you apply Ehrenfest's theorem?
- Logan Rudd
- · Replies 3 ·
Graduate Mathematical description of Hilbertspace
- moriheru
- · Replies 19 ·
Graduate The Effective Lagrangian of the Electromagnetic Field
- r.sahebi
- · Replies 4 ·
Graduate What Makes Single Photon Quantum Electrodynamics So Complex?
- ShayanJ
- · Replies 12 ·
Graduate TDSWE: Deriving Time Dependent Solutions from TISWE
- jaydnul
- · Replies 1 ·
Graduate Green Function SHO - Reading Materials & Math Background
- clumps tim
- · Replies 2 ·
Graduate Plane wave expansion of massive vector boson
- guest1234
- · Replies 3 ·
Graduate Spinors: Relativistic vs Non-Relativistic?
- LarryS
- · Replies 15 ·
Graduate Concerning spherical Bessel and Neumann functions
- moriheru
- · Replies 14 ·
Graduate Solutions for ammonia as two-state system
- damosuz
- · Replies 6 ·
Graduate Can You Solve These Commutation Integrals?
- Breo
- · Replies 2 ·
Graduate QFT renormalization and Haag's theorem
- eoghan
- · Replies 19 ·
Graduate Quantum Vacuum Plasma Drive Potentially Confirmed by NASA
- Dotini
- · Replies 4 ·
Graduate Ground State and Excited State Wave Function - Explained
- terp.asessed
- · Replies 9 ·
Graduate Wave Function from ground to excited
- terp.asessed
- · Replies 2 ·
Graduate Infinitely large quantum number
- terp.asessed
- · Replies 1 ·
Graduate What is the precise mathematical claim in Haag's theorem?
- WannabeNewton
- · Replies 20 ·
Graduate What Is the Probability Density of a Non-Wave Electron in a Box?
- terp.asessed
- · Replies 3 ·
Graduate Physics of Quantum Entanglement
- UltrafastPED
- · Replies 2 ·
Graduate Derivation of the CHSH inequality
- Alien8
- · Replies 63 ·
Graduate I have difficulty understanding quantum physics
- Aichuk
- · Replies 15 ·
Graduate Quantum entanglement, is it real?
- Saruman
- · Replies 3 ·
Graduate How would I transmit 1 photon?
- mrspeedybob
- · Replies 13 ·
Graduate Wavefunction normalization vs 1/√(|x| )
- Maharshi Roy
- · Replies 3 ·
Graduate Measurement Theory - Quantum Mechanics Q&A by VVS
- VVS
- · Replies 14 ·
Graduate Can the Schrödinger Equation be Extended to Four Dimensions?
- moriheru
- · Replies 6 ·
Graduate Negative kinetic energy value for an electron
- clumps tim
- · Replies 3 ·
Graduate Can 3 photons bunch, Hanbury Brown and Twiss effect?
- Spinnor
- · Replies 4 ·
Graduate Creation of matter and energy out of nothing.
- avito009
- · Replies 4 ·
Graduate How Does the Big Bang Contribute to Matter Creation?
- avito009
- · Replies 1 ·
Undergrad How did Paul Dirac find the equation for antimatter?
- Quarlep
- · Replies 3 ·
Graduate What's the problem with bremsstrahlung?
- Bashyboy
- · Replies 5 ·
Graduate Axiomatization of quantum mechanics and physics in general ?
- microsansfil
- · Replies 210 ·
Graduate Commuting operators and Direct product spaces
- aaa
- · Replies 4 ·
Graduate Quantum Mechanics & General Relativity: Explaining the Singularity
- nateHI
- · Replies 4 ·
Graduate Is There a Connection Between Quantum Mechanics and Consciousness?
- batmanandjoker
- · Replies 6 ·
Graduate Weak measurement with post selection
- cosmik debris
- · Replies 6 ·
Graduate Numerically solutions with periodic boundary conditions
- jimmy neutron
- · Replies 3 ·
Graduate Problem interpreting course notes - 3D wave equation
- Darren93
- · Replies 7 ·