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.
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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 Schrodinger's Eqn: Harnessing Extra 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 Question About Calculation in Maggiore's Quantum Field Theory
- 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 Double Slit Experiment: Is Observation Equipment Interfering?
- 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 Momentum in Quantum Mechanics: Defining, Measuring, & Interpreting
- xboy
- · Replies 14 ·
Graduate Feynman rules for vector bosons
- wangjiaji
- · Replies 3 ·
Graduate Another annoying double slit question
- 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 The surprisingly simple linear potential solution
- pellman
- · Replies 9 ·
Graduate Rayleigh scattering vs raman scattering
- 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 Spinor Boosts: Weinberg's QFT Book Insights on Rotation and Momentum Effects
- mahdiarnt@yahoo.com
- · Replies 1 ·
Graduate What Are the Implications of Non-Local Entanglement in Quantum Mechanics?
- Chrisc
- · Replies 26 ·
Graduate Is the LHC on the verge of discovering a new 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 Please explain this Formalism in Linear Reponse 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 Understanding Quantum Theory and Physics: Explained in Simple Terms
- 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 The collapse of one wave function is the creation of another
- thenewmans
- · Replies 4 ·
Graduate What contradictions remain between SR and QM?
- thenewmans
- · Replies 15 ·
Graduate Quantum entanglement and information
- SW VandeCarr
- · Replies 29 ·
Graduate Can anyone explain the physical meaning of spin in QM?
- LennoxLewis
- · Replies 50 ·
Graduate Cramer's Backward Causality Experiment
- sanman
- · Replies 60 ·
Graduate Shrodinger's Cat Paradox: A Possible Solution
- 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 ·
Graduate Is the EOM for a Lagrangian with a scalar operator always 2D phi = 0?
- RedX
- · Replies 5 ·
Graduate About solving differential equations
- ice109
- · Replies 1 ·
Graduate Experimental evidence for Hydrogen Wave Function?
- Shenckel
- · Replies 1 ·
Graduate Can the Pauli Exclusion Principle explain the quantization of the nucleus?
- nuclear420
- · Replies 4 ·
Graduate A way aroung determining which-paths in interference patterns?
- Gothican
- · Replies 11 ·
Graduate Space & Particles: What is the Metric?
- wolram
- · Replies 11 ·
Graduate Does quantum physics prove that nothing is completely random?
- Green Zach
- · Replies 7 ·
Graduate What is Time Ordered Product T(AB) at Equal Times?
- zombiegirl
- · Replies 2 ·
Graduate Please explain what this bra-ket expression means
- jbb
- · Replies 2 ·
Graduate Quatum Fields, Strings, and Parallel Universe
- redhedkangaro
- · Replies 2 ·
Graduate Question about naive questions
- Dmitry67
- · Replies 1 ·
Graduate Basis set orthonormality property
- filippo
- · Replies 1 ·
Graduate Basic questions on quantum scattering
- hiyok
- · Replies 8 ·
Graduate QED Vertex: Examining the Unexplainable G-Factor
- RedX
- · Replies 2 ·
Graduate Connection between isolated eigenvalues and normalizable eigenstates
- jostpuur
- · Replies 7 ·