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 Wave equations and Schrodinger's equation
- avocadogirl
- · Replies 7 ·
Graduate Stationary states for even parity potential
- Nick R
- · Replies 4 ·
Graduate Measurement problem in double slit experiment
- mritunjay
- · Replies 2 ·
Graduate Semi-classical quantum/Poisson Brackets
- barnflakes
- · Replies 6 ·
Graduate Schrödinger local and deterministic?
- Gerenuk
- · Replies 84 ·
Graduate Micron sized object observed in quantum state
- xlines
- · Replies 30 ·
Graduate What does color represent in quantum chromodynamics?
- libbon
- · Replies 2 ·
Graduate Gluons relating to quantum chromodynamics
- Gravitons
- · Replies 1 ·
Graduate A plane wave vs the bound state of Hydrogen atom: orthogonal?
- xylai
- · Replies 2 ·
High School Story of Operators Creation/Anihilation
- intrication
- · Replies 4 ·
Graduate Quantum Field Theory - variational principle
- JustinLevy
- · Replies 13 ·
Graduate Expected value of the spin tensor operator
- Montejo
- · Replies 2 ·
Graduate Description of Wave Function Collapse
- Couchyam
- · Replies 7 ·
Graduate Clarifying Boundary Conditions and Scalar Field Quantization in QFT
- vaibhavtewari
- · Replies 2 ·
Graduate Proof in heisenbergs uncertainty relation involving bra-ket
- lavster
- · Replies 6 ·
Graduate Correspondence betw. Hamilton-Jacobi & Schrödinger eqns.
- Orbb
- · Replies 9 ·
Weird Probabilities: Is It Possible?
- offroff
- · Replies 18 ·
Graduate Can Single Photons Create Dark Bands in Diffraction Patterns?
- jeffkosmo
- · Replies 4 ·
Graduate Mass moving through Space/Time = Gravity?
- Modern Viking
- · Replies 1 ·
Undergrad Learned that light is electromagnetic waves
- fluidistic
- · Replies 7 ·
Graduate Inspection of the Density Matrix
- Lamont1986
- · Replies 1 ·
Graduate Einstein podolsky rosen bridge
- physic1GUY
- · Replies 3 ·
Graduate Shankar CH1 Derivative of Dirac delta
- LAHLH
- · Replies 2 ·
Graduate Could There Be Distances Beyond Planck Length in Discrete Space?
- qsa
- · Replies 2 ·
Graduate Light wave/particle duality resolution
- espen180
- · Replies 12 ·
Undergrad Why Do Protons Not Absorb Light Rays?
- Stephen Raj
- · Replies 3 ·
Graduate Stern–Gerlach experiment with photons?
- cragar
- · Replies 16 ·
Graduate Understanding the Spin of Electron and Its Quantum Numbers
- Stephen Raj
- · Replies 3 ·
High School What is the nature of light and how does it affect our world?
- gordonisnz
- · Replies 4 ·
Graduate Why is Hawking Radiation Necessary for Black Hole Evaporation?
- roundedge
- · Replies 15 ·
Graduate How Many Physical Degrees of Freedom Exist in Gauge Theories?
- JustinLevy
- · Replies 1 ·
Graduate What is the meaning of square root cut in Zee's Quantum field theory?
- blue2script
- · Replies 10 ·
High School Does the energy of a photon determine its size in relation to an electron?
- Stephen Raj
- · Replies 1 ·
Undergrad Light Momentum & Photography: Facts & Effects
- uzair_ha91
- · Replies 4 ·
Graduate Gravitation of heavy particles
- Ranku
- · Replies 3 ·
Graduate Quantum Field Theory: An Introduction to Physics Beyond the Standard Model
- quantumdude
- · Replies 52 ·
Graduate Quantum Harmonic Oscillator Operator Commution
- TupoyVolk
- · Replies 3 ·
Graduate Gravitons & Inertia: Do They Cause Each Other?
- Usaf Moji
- · Replies 2 ·
Graduate Exploring Fourier's Transformation & Thermical Radiation in Quantum Mechanics
- exponent137
- · Replies 1 ·
Graduate Seperation of variables in the Schrodinger equation
- Sonko
- · Replies 1 ·
Graduate Macroscopic Tunneling: Probability of Occurrence
- jdhenckel
- · Replies 3 ·
Graduate Beta functions and the energy-momentum tensor
- muppet
- · Replies 1 ·
Graduate Calculating Energy Levels in a Finite Square-Well Potential
- klhall2
- · Replies 1 ·
Graduate Quantum Mechanics versus Determinism
- ForMyThunder
- · Replies 4 ·
Graduate How Do You Calculate Energy Levels in a 3-D Infinite Potential Well?
- klhall2
- · Replies 1 ·
Graduate Could there be a way to more easily release energy from atoms?
- Who Am I
- · Replies 2 ·
Graduate Double Slit Experiment Questions: Detectors
- PatentClerk
- · Replies 1 ·
Graduate Quantum harmonic oscillator 1d
- rooney123
- · Replies 1 ·
Graduate Is Probability Current Flow Visualizable?
- roshan2004
- · Replies 1 ·
Graduate Why is there no time dependent a_1^{\dagger}(t) in the Srednicki equation 5.10?
- vaibhavtewari
- · Replies 5 ·
Graduate Solving Quantum Control Theory Problem with Toffoli Gate Evolution
- Kreizhn
- · Replies 1 ·
Graduate FUNDAMENTALLY RANDOM occurrences in physics.
- Alain Mourin
- · Replies 9 ·
Graduate Understanding Decoherence and Pure to Mixed Transitions
- Soph_the_Oaf
- · Replies 11 ·
Graduate QM uncertainties / probabilities and light
- Sparky_
- · Replies 1 ·
Graduate How is the Coulomb force transmitted?
- derio
- · Replies 1 ·
Graduate What Determines If One Variable Can Be Fourier-Transformed Into Another?
- Simfish
- · Replies 2 ·
Graduate Weinberg: The Quantum Theory of Fields I, Eq. 2.5.14
- Living_Dog
- · Replies 2 ·
Graduate What Are the Key Differences Between Schmidt Decomposition and SVD?
- Nusc
- · Replies 1 ·
Graduate When is it appropriate to use a time dependent Schrodinger's wave equation?
- roshan2004
- · Replies 7 ·
Graduate If Aop commutes with H, A is a constant of motion - prove
- lavster
- · Replies 2 ·
Undergrad Can We Transform Radiowaves to Light?
- calis
- · Replies 3 ·
Graduate Can Constant Observable Expectations Be Accurately Measured in a Lab Setting?
- shishir
- · Replies 2 ·
Graduate Why do we assume that zero point energy is infinite?
- zeromodz
- · Replies 26 ·
Graduate What is Spin? Understanding Electron Spin & Its Importance
- FeDeX_LaTeX
- · Replies 2 ·
Graduate Hypothesizing on photon mode of travel in double slit or similar experimental setups
- sanpkl
- · Replies 120 ·
Graduate Does QM break down at large scales?
- cragar
- · Replies 3 ·
Graduate Quantum Entanglement: EPR Paradox & Bell Violation
- Redsummers
- · Replies 4 ·
Undergrad Number of protons and neutrons per shell?
- the riddick25
- · Replies 1 ·
Graduate Change (control)the spin up or down of 1 entangled particle
- lnsanity
- · Replies 6 ·
Graduate What is the current understanding of the photon and its interaction with matter?
- Karthiksrao
- · Replies 3 ·
Graduate Quantum Computation & Quantum Information
- theophyman
- · Replies 1 ·
Undergrad Linear Algebra Reference for Quantum Mechanics Topics
- theophyman
- · Replies 14 ·
Graduate Evolution of uniformly accelerated system
- paweld
- · Replies 1 ·
Graduate Exchange Operators & Spin Statistics - I don't the conclusions
- LukeD
- · Replies 2 ·
Graduate Is it possible to violate conservation of energy in quantum?
- jfy4
- · Replies 13 ·
Graduate Why S, T and U Must Be Positive in Mandelstam Variables
- LAHLH
- · Replies 8 ·
Graduate Gauge Fixing Term: Physical Effects & Role in Spin Components
- Neitrino
- · Replies 1 ·
Graduate Polarization of individual photons.
- G01
- · Replies 4 ·
Graduate Conservation of Energy and Mass in QM
- yottzumm
- · Replies 3 ·
Graduate Confused about Shared Eigenstates
- TimH
- · Replies 6 ·
Undergrad What would repel, hydrogen / a proton?
- Miles knight
- · Replies 2 ·
Undergrad P orbitals and single electron atoms
- Cemre
- · Replies 1 ·
Graduate Double slit electron experiment inquiry
- rajeshmarndi
- · Replies 5 ·
Graduate Inner product of Hilbert space functions
- Volvieras
- · Replies 5 ·
Graduate Is Plancks function a distribution one?
- epik
- · Replies 3 ·
Undergrad Name of Circular Standing Wave in Geometry
- dm164
- · Replies 1 ·
Undergrad Most basic double slit experiment question
- rasp
- · Replies 17 ·
Graduate Solve Bound State Problems in QFT | Identify Space of States
- Prathyush
- · Replies 1 ·
Graduate Invariance of Pauli-matrices under rotation
- NewGuy
- · Replies 3 ·
Graduate Coordinate transformation and conformal transformation?
- ismaili
- · Replies 7 ·
Graduate Expectation Values and Operators
- Nezva
- · Replies 9 ·
Graduate Significance of Commutation Relations
- ian2012
- · Replies 6 ·
Graduate Why doesn't Hydrogen have the same wave functions as Helium
- conway
- · Replies 33 ·
Graduate Quantum Mechanical Software & Force Constant for Polyatomic Molecules
- Rajini
- · Replies 5 ·
Graduate Uncertainity Principle , particles and antiparticles
- bpm_vns19
- · Replies 6 ·
Graduate On-shell renormalization (Srednicki ch31)
- LAHLH
- · Replies 2 ·
Graduate Analogy of casimir effect with moving boats
- meichenl
- · Replies 2 ·
Graduate Black Body Radiation: Derivation & Justification
- ibc
- · Replies 7 ·
Graduate Is There a Calculation Error in Wikipedia's Helium Atom Energy Formula?
- conway
- · Replies 2 ·
Graduate Understanding Ladder Operators
- Nezva
- · Replies 8 ·