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 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 Why do quantum mechanics and general relativity fail at singularities?
- nateHI
- · Replies 4 ·
Graduate Does consciousness affect quantum mechanics in the brain?
- 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 ·
Graduate Is Vacuum a Dynamic Entity with Hidden Matter and Energy?
- fog37
- · Replies 6 ·
Graduate Quantum physics without probability?
- Johan0001
- · Replies 19 ·
Graduate Singularities in the harmonic oscillator propagator
- Cancer
- · Replies 4 ·
Graduate Does Hawking radiation conserve information and reduce black hole mass?
- JohnLuck
- · Replies 17 ·
Graduate Proving Orthogonality by Induction in Second Quantization for Bosonic Systems
- fuchini
- · Replies 2 ·
Graduate Density matrix formalism and Poincaré invariance
- arpharazon
- · Replies 17 ·
Graduate QFT Corrections to Electron's g-Factor: Implications for Spin Symmetry
- TrickyDicky
- · Replies 9 ·
Graduate Schrodinger equation with unknown potential function
- BogdanDNR
- · Replies 1 ·
Graduate Quantum Measurement: Sharp vs Unsharp - How to Determine?
- naima
- · Replies 3 ·
Graduate Describing 3-component spin 1 with a 4-Vector
- geoduck
- · Replies 10 ·
Graduate Quantum Mechanics of charge-monopole system
- clumps tim
- · Replies 2 ·
Graduate Regions containing different states in a simple field or substance
- Athanasius
- · Replies 1 ·
Graduate Translating cumulative rotations into Pauli operators
- Strilanc
- · Replies 9 ·
Graduate Triple-slit experiment with 2 identical sources
- Abc2020ro
- · Replies 6 ·
Graduate Principal values vs improper integrals for momentum expectation
- homer
- · Replies 8 ·
Graduate 3DAnisotropic oscillator in Spherical Harmonic basis-States with L_z=0
- srihari83
- · Replies 5 ·
Graduate The finite size of the nucleon
- asal90
- · Replies 2 ·
Graduate Wavefunction of quantzed field states
- david_d
- · Replies 2 ·
Graduate Understanding Peskin Eq 3.50-3.53 and Dirac Spinor
- h-mina
- · Replies 7 ·
Graduate Inconsistent sign conventions in Dirac equation solutions
- SheikYerbouti
- · Replies 1 ·
Graduate Particles as the quanta of fields
- 7777777
- · Replies 19 ·
Graduate Water molecule, bucket question
- FrostJax
- · Replies 1 ·
Undergrad Could a maser be used to send information
- tony two takes
- · Replies 1 ·
Graduate Derivation of Schwinger function in Di Francesco
- CAF123
- · Replies 9 ·
Graduate Implication of Hardy's ontological excess baggage theorem
- bohm2
- · Replies 19 ·
Graduate QM lecture notes requiring linear algebra background
- neutrino
- · Replies 9 ·
Graduate Choosing topic for reserach and presentation
- spaghetti3451
- · Replies 18 ·
Graduate Significance of annihilator and creation operators in the harmonic oscillator
- JohnPrior3
- · Replies 1 ·
Graduate What Free Programs Exist for Simulating Multi-Particle Quantum Mechanics?
- dsoodak
- · Replies 4 ·
Graduate Finding the Hamiltonian for the quantum Hall effect
- clumps tim
- · Replies 1 ·
Graduate C and h are not fundamental constants?
- kmm
- · Replies 7 ·
Graduate What is a Condensate? An Introduction for Laymen
- rede96
- · Replies 1 ·
Graduate Implications of an arbitrary phase for momentum operator
- spaghetti3451
- · Replies 7 ·
Graduate Pauli exclusion principle question (again)
- MadRocketSci2
- · Replies 8 ·
Graduate Does Adding a Constant to the Hamiltonian Affect Quantum System Dynamics?
- MadRocketSci2
- · Replies 1 ·
Graduate Disconnect With Inequality Realism Assumption And Bells' Lambda
- Point Conception
- · Replies 1 ·
Graduate Orbital angular momentum problem
- lhcQFT
- · Replies 3 ·
Graduate Why do multiparticle states present continuous in spectral function?
- navigator
- · Replies 1 ·
Graduate Derivation of Planck's law and the shape of the cavity
- center o bass
- · Replies 6 ·
Graduate Methods of keeping photons entangled for extended periods?
- CosmicVoyager
- · Replies 1 ·
Graduate What kinds of divergences for a given interaction
- copernicus1
- · Replies 3 ·
Graduate Eigenvalues and operators, step the involves switching and substitutin
- rwooduk
- · Replies 6 ·
Graduate If quantum mechanics forbids trajectories, what do we see in bubble chambers?
- ChrisVer
- · Replies 3 ·
Graduate Is the Order of Bras and Kets Important in Equations?
- dyn
- · Replies 5 ·
Undergrad Why does an electron transition from lower to higher energy state emit a photon?
- manimaran1605
- · Replies 3 ·
Graduate Best book reference for studying quantum physics
- mark_usc
- · Replies 7 ·
Undergrad Where does the electron gain its energy from to keep orbiting?
- pero2912
- · Replies 10 ·
Graduate Quantum computation and entanglement
- vtahmoorian
- · Replies 1 ·
Graduate Taking the zero entry of the following
- PhyAmateur
- · Replies 4 ·
Undergrad Ultraviolet Catastrophe in simple language
- krantz
- · Replies 13 ·
Graduate The wave function and the Shrodinger equation
- DiracPool
- · Replies 11 ·
Undergrad Ideas for QM undergrad research project
- orthodoxx
- · Replies 3 ·
Graduate As unified electromagnetism derived c, what concepts were unified to h
- jmonlive
- · Replies 10 ·
Graduate Hamilton's equation from heisenberg equation of motion
- jelathome
- · Replies 2 ·
High School Understanding Covalent Bonds: Why Do They Hold Molecules Together?
- RichyOwen
- · Replies 5 ·
High School What Is Beta Decay?
- RichyOwen
- · Replies 3 ·
Graduate Reasoning in Deriving the Ultraviolet Catastrophe
- center o bass
- · Replies 5 ·
Graduate Differentiating semi-classical Kubo trans. correlation functions wrt t
- jelathome
- · Replies 1 ·
Graduate Sum of spin for chiral particles?
- arivero
- · Replies 10 ·
Graduate What is the significance of spinor technology in quantum field theory?
- kau
- · Replies 16 ·
Graduate Wavefunction real physical object?
- ChrisVer
- · Replies 7 ·
Graduate 1000 Basis functions limitation - Gaussian 09?
- akonhell
- · Replies 2 ·
Graduate Question on John Bell's Original Paper
- 43arcsec
- · Replies 6 ·
Graduate Use of Trotter Theorem in Path Integral Molecular Dynamics
- jelathome
- · Replies 1 ·
Graduate Dependence of operators on the wave function
- avz2611
- · Replies 4 ·
Graduate Advanced mathematics in theoretical physics
- PaulDirac
- · Replies 3 ·
Undergrad The triangle inequality in CHSH, where is the triangle?
- johana
- · Replies 5 ·
Graduate Help please, need advice on what to study to understand
- rwooduk
- · Replies 2 ·
Graduate Photon entanglement: why three angles?
- Jabbu
- · Replies 185 ·
Graduate Bell's Inequality Explanation for Intelligent Non-Scientist
- ep1987
- · Replies 41 ·
Graduate Squared operators and sums of operators in practice
- Dror
- · Replies 4 ·
Graduate PBS interferometer with unpolarized or entangled photons
- StevieTNZ
- · Replies 19 ·
Graduate Is the Current Density Operator Related to Classical Magnetic Moment?
- Dale
- · Replies 17 ·
Graduate Matrix for a Stern-Gerlach apparatus
- damosuz
- · Replies 4 ·
Graduate What is QED Theory and How Does It Explain Electric Charge Interactions?
- Quarlep
- · Replies 8 ·
Graduate Lorentz transformation, quantum field theory
- M. next
- · Replies 1 ·
Graduate How do virtual particles mediate?
- steviereal
- · Replies 5 ·
Graduate Why are the gamma matrices Lorentz invariant?
- SheikYerbouti
- · Replies 4 ·
Graduate Calculation of the Natural Linewidth
- blaisem
- · Replies 3 ·
Graduate Local hidden variables for double slit
- atyy
- · Replies 9 ·
Graduate Unaccounted Electrons in Quantum Tunnelling Composites: What Happens to Them?
- willfarquhar96
- · Replies 7 ·
Graduate Quantum computer revived by the influence of Google ?
- microsansfil
- · Replies 1 ·
Graduate How would you explain Planck units to layman?
- marcus
- · Replies 9 ·
Graduate Which of these Quantum mechanics video lectures(ocw) is good?
- sagarbhathwar
- · Replies 2 ·
Graduate Is this an example of a gauge theory? How?
- ShayanJ
- · Replies 7 ·
Undergrad Normalizing a constant wavefunction in a box and finding probability
- moaharris2004
- · Replies 2 ·