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.
Sub-forums
Threads
Graduate Electron tunneling and classic electrdynamics.
- Austin0
- · Replies 4 ·
High School What Are Quantum Numbers and Spin in Physics?
- chmate
- · Replies 3 ·
Graduate Hamiltonian for non-conservative forces?
- Arham
- · Replies 3 ·
Undergrad Why does glass feel as cold as metal despite being non-conductive?
- lennybogzy
- · Replies 5 ·
Graduate Absorption/Emission of photons of specific frequency (Doppler Effect)
- feynomite
- · Replies 3 ·
Graduate How can one build a non-trivial operator with a zero mean value?
- luxxio
- · Replies 7 ·
Graduate Commutation relations in relativistic quantum theory
- noospace
- · Replies 7 ·
Graduate Magnetic Field in Natural Units: Expressing \hbar
- Rajini
- · Replies 9 ·
Graduate Is a Year-Long Quantum Chromodynamics Class Worth the Exam Stress?
- phys-man 69
- · Replies 12 ·
Graduate Is complex momentum density possible?
- blue2script
- · Replies 5 ·
Graduate Can a particle's wavefunction become perfectly flat in empty space over time?
- asimov42
- · Replies 1 ·
Graduate Study Lie Groups: G. 't Hooft's SU(2) Index Convention
- intervoxel
- · Replies 4 ·
Graduate Quantum Mechanical Scattering (3D) - What about forward scattering?
- maverick280857
- · Replies 2 ·
Graduate Creation Operator of Harmonic Oscillator
- KFC
- · Replies 2 ·
Graduate Why need *complex* wavefunction?
- feynmann
- · Replies 57 ·
Graduate Ehrenfest theorem and Heisenberg quantum mechanics
- luxxio
- · Replies 4 ·
Graduate Physics of Electron Probability Clouds
- nuby
- · Replies 17 ·
Can a simple wooden stick be used to send instant messages across space?
- tomtom637
- · Replies 6 ·
Graduate Eliminating the coincidence counter
- Fiziqs
- · Replies 1 ·
Graduate Constructing Unitary Matrices for Rotations in Hilbert Space
- KFC
- · Replies 5 ·
Graduate Can Momentum be Calculated Without Measuring Position in Quantum Mechanics?
- Curious6
- · Replies 4 ·
Graduate Relativistic quantum field theory:antiparticles
- Naty1
- · Replies 33 ·
Undergrad Compton scattering contributes to color in any way?
- Charlie G
- · Replies 9 ·
Graduate Forced Harmonic Oscillator with Path Integral
- Phileas.Fogg
- · Replies 4 ·
Graduate Negative energy/imaginary momentum
- wofsy
- · Replies 25 ·
Graduate Magnetic flux quanta in ground state hydrogen
- nuby
- · Replies 1 ·
Graduate Is Quantum Physics All About Total Randomness?
- Curious6
- · Replies 10 ·
Graduate How do you determine that a particle is/was entangled?
- Untangled
- · Replies 58 ·
Graduate Shrodinger Equation, where did it come from?
- Nick89
- · Replies 4 ·
Graduate Does Schrödinger's equation work with extra spatial dimensions?
- mrlaughingman
- · Replies 16 ·
Graduate Partial Measurement / Teleportation
- msumm21
- · Replies 2 ·
Graduate Is a photon's wavelength relative to the velocity of its source?
- nuby
- · Replies 16 ·
Graduate What is the purpose of trace in quantum mechanics?
- Peeter
- · Replies 5 ·
Graduate Can Quantum Mechanics Explain Particle Behavior in Video Games?
- IkonOne
- · Replies 14 ·
Graduate Interference seen in a member of an entangled pair
- msumm21
- · Replies 61 ·
Graduate What is the Interpretation of the Inverse Property of a Delta Function in QM?
- Peeter
- · Replies 2 ·
Graduate About distinguishable and indistinguishable
- KFC
- · Replies 1 ·
Undergrad How Do Electrons Behave Within an Atom?
- johndb
- · Replies 6 ·
Graduate Factor of 3 discrepancy in Maggiore's QFT equation 52
- PJK
- · Replies 1 ·
Graduate How is cosine squared used in measuring particle properties?
- thenewmans
- · Replies 9 ·
Graduate Experiment involving photoelectric effect
- math_04
- · Replies 8 ·
Undergrad How Does a Half-Silvered Lens Affect the Young's Two Slit Experiment?
- Carid
- · Replies 4 ·
Graduate Understanding Mixed vs Pure States in Quantum Mechanics
- msumm21
- · Replies 10 ·
Undergrad Simple double slit question
- Fiziqs
- · Replies 9 ·
Graduate Does the double slit experiment's detector interfere with electrons?
- nickylaatz
- · Replies 38 ·
Graduate Wavelength or amplitude < a Planick length?
- labrat3004
- · Replies 16 ·
Graduate 2-slit experiment for electron
- markoX
- · Replies 2 ·
Graduate Completeness of Quantum Mechanics
- mn4j
- · Replies 25 ·
Graduate Matrix representing projection operators
- SouthQuantum
- · Replies 3 ·
Graduate Are force carrier particles instantaneous like gravity in relativity?
- cam875
- · Replies 1 ·
Graduate Why does the system has lower energy if its wave function is symmetric?
- xfshi2000
- · Replies 3 ·
Undergrad Photoelectric Effect - Electrons
- Chewy0087
- · Replies 14 ·
Graduate Hydrogen atom ground state with zero orbital angular moment question.
- xfshi2000
- · Replies 3 ·
Graduate How Does a Smaller Wavelength Photon Resolve Smaller Distances?
- ledamage
- · Replies 1 ·
Graduate Angular frequency of a matter patter
- redtree
- · Replies 2 ·
Graduate Delayed Choice Quantum Erasers
- Jarwulf
- · Replies 6 ·
Graduate Researching Neutron Imaging: Is Imaging a Single Molecule Possible?
- CPL.Luke
- · Replies 3 ·
Graduate Outer product problem of derac notation
- hasanhabibul
- · Replies 7 ·
Graduate How do we measure momentum of a single free particle in quantum mechanics?
- xboy
- · Replies 14 ·
Graduate Feynman rules for vector bosons
- wangjiaji
- · Replies 3 ·
Graduate Does observer probability collapse instead of particle wave collapse?
- Fiziqs
- · Replies 7 ·
Graduate Quantum Computation: 2 Interesting Qs
- cam875
- · Replies 8 ·
Graduate How to deal with index in the problem of thermal field?
- KFC
- · Replies 4 ·
Graduate Req: A conceptual QFT example
- pellman
- · Replies 4 ·
Graduate Linear potential solution using exponential ansatz
- pellman
- · Replies 9 ·
Graduate Why is Rayleigh scattering stronger than Raman scattering if Raman has more final states?
- wdlang
- · Replies 3 ·
Graduate Quantum randomness vs. dice randomness
- ivan
- · Replies 42 ·
Undergrad What is the relationship between electron movement and rest mass?
- adoado
- · Replies 2 ·
Graduate Degenerate time indep. perturbation theory
- ice109
- · Replies 3 ·
Graduate Do spinor boosts have a simple form like rotations in QFT?
- mahdiarnt@yahoo.com
- · Replies 1 ·
Graduate What Are the Implications of Non-Local Entanglement in Quantum Mechanics?
- Chrisc
- · Replies 26 ·
Graduate Could the LHC detect a fourth spatial dimension?
- Pjpic
- · Replies 2 ·
Undergrad Atomic Decay: Charged Element After Alpha Helium Release?
- WARLORDTF
- · Replies 2 ·
Graduate West vs East: Converting Results
- RedX
- · Replies 1 ·
Graduate Probability Distribution for Time of Measurement?
- dx
- · Replies 4 ·
Graduate Why insert a complete basis into commutator expressions in linear response theory
- jbb
- · Replies 1 ·
Graduate Basic-Questions about Quantum terms
- Anglea
- · Replies 9 ·
Graduate Understanding Binding Energy: The Hidden Mass Conversion Process
- weltza
- · Replies 4 ·
Graduate Zero point energy of hydrogen atom
- feynmann
- · Replies 17 ·
Graduate Is Quantum Mechanics Non-Local or Can Local Models Explain the Universe?
- The Dagda
- · Replies 125 ·
Graduate Could All Electrons Be Just One Electron Traveling Through Time?
- moving_on
- · Replies 9 ·
Graduate Understanding of renormalization
- jdstokes
- · Replies 41 ·
Graduate Klein-Gordon linear potential solution
- pellman
- · Replies 2 ·
Graduate Difference between quantum theory, quantum physics, and quantum field theory
- redhedkangaro
- · Replies 23 ·
Graduate Construction of SU(3) multipletts, implication of Gell-Mann-Nishijima
- blue2script
- · Replies 15 ·
Graduate Can Charge and Mass Clouds Explain the Behavior of Particles in an Atom?
- granpa
- · Replies 14 ·
Graduate Quantum superpositions of mixed states.
- oddthingy
- · Replies 1 ·
Graduate Magnetic moment of a deutron is 0.8574 u_n
- babblingsia
- · Replies 1 ·
Graduate What is a the superstring field?
- redhedkangaro
- · Replies 1 ·
Graduate Spherical symmetry implies zero angular momentum?
- Mosis
- · Replies 6 ·
High School Double Slit Experiment: Does Slit Thickness Matter?
- SimonB
- · Replies 6 ·
Graduate Can a particle have multiple wave functions, and do they change when particles interact?
- thenewmans
- · Replies 4 ·
Graduate What contradictions remain between SR and QM?
- thenewmans
- · Replies 15 ·
Graduate Quantum entanglement and information
- SW VandeCarr
- · Replies 29 ·
Graduate What is the physical meaning of spin in quantum mechanics?
- LennoxLewis
- · Replies 50 ·
Graduate Cramer's Backward Causality Experiment
- sanman
- · Replies 60 ·
Graduate Does Schrödinger's cat paradox need superstring theory to solve?
- Swapnil
- · Replies 35 ·
Graduate Potential Energy Surface in chemical reaction computations
- filippo
- · Replies 1 ·
Graduate Basic treatment of the hydrogen atom through wave mechanics.
- scorpion990
- · Replies 3 ·
Graduate Are the electrons in TV set wave or particle?
- feynmann
- · Replies 6 ·