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 Bhor's rule breaking energy levels
- peeyush_ali
- · Replies 7 ·
Graduate Why Distance Between Lines of Hydrogen Spectrum Decreases
- Ali Asadullah
- · Replies 3 ·
Graduate Heisenberg Uncertainty Principal
- Wannabeagenius
- · Replies 25 ·
Graduate Quantum physics and equivalence principle
- exponent137
- · Replies 1 ·
Graduate Angular momentum - integer or half-integer
- paweld
- · Replies 2 ·
Graduate Software to compute quantum mechanical and thermodynamics properties of ions
- kthouz
- · Replies 1 ·
Graduate Why does the uncertainty principle allow temporary energy non-conservation?
- JK423
- · Replies 22 ·
Graduate The Understanding of Particle-Wave Duality (Can it be fully understood?)
- Vectronix
- · Replies 8 ·
Graduate Calculating the Mass of the Electron: Theory vs. Experiment
- qsa
- · Replies 1 ·
Graduate Why Can't I Show the Simple Identity for the Spin-1 Operator in This Paper?
- TriTertButoxy
- · Replies 6 ·
Graduate How to debunk a quantum mystic?
- QuantumKitty
- · Replies 32 ·
Graduate How do oscillators apply to electromagnetic fields and crystals?
- Mr confusion
- · Replies 6 ·
Graduate Can we ask if a system is in state |φ⟩ without changing it?
- paweld
- · Replies 1 ·
Graduate Confusion about preparing ensemble of particles and no-cloning theorem
- kof9595995
- · Replies 4 ·
Graduate What's the Force Acting on an Isolated Electron at (0,0,0)?
- peeyush_ali
- · Replies 40 ·
Graduate Attractive force between potential wells
- LostConjugate
- · Replies 7 ·
Graduate Estimate ground state energy with HU
- saunderson
- · Replies 1 ·
Graduate Experimental realization of Stern-Gerlach SGy filter
- SpectraCat
- · Replies 1 ·
Graduate Symmetry and irreducible representation
- sineontheline
- · Replies 1 ·
Graduate Probability is square of amplitude or it's product with complex conjugate?
- zonde
- · Replies 2 ·
Graduate Compton Scattering formula for 180 degree scattering.
- durand
- · Replies 5 ·
Graduate Photon entanglement and fair sampling assumption
- zonde
- · Replies 99 ·
Graduate I want a good refrence for su(2) and it's aplecation
- jhon
- · Replies 5 ·
Graduate Double slit experiment - with molecules?
- DaveC426913
- · Replies 26 ·
Graduate Distinguishing between two quantum states
- opsvival
- · Replies 1 ·
Graduate Why Use Free Particle Eigenfunctions for One-Dimensional Quantum Problems?
- Mr confusion
- · Replies 5 ·
Graduate Does Observation Influence Reality in Quantum Physics?
- alex.cordero
- · Replies 1 ·
Graduate Entanglement - the Latest Insights?
- wavering
- · Replies 12 ·
Graduate Difference between s-matrix and interactive field propagator?
- its_blitz!
- · Replies 1 ·
Graduate How Does the Fermi Energy of Bare Protons Influence Chemical Reactions?
- Stanley514
- · Replies 1 ·
Graduate How to Derive Pauli's Equation from Dirac's Equation in a Weak Field?
- maverick280857
- · Replies 3 ·
Graduate Measurement effect upon wave function
- nomadreid
- · Replies 7 ·
Graduate Solid state quantum entanglement?
- SW VandeCarr
- · Replies 3 ·
Graduate Homogeneous and inhomogenous relaxation time
- KFC
- · Replies 1 ·
Graduate Quantum electromagnetic interference
- Sherlock_H
- · Replies 5 ·
Graduate Experiments for time-energy uncertainty relation
- random3f
- · Replies 2 ·
Graduate Solving QFT Problem: Deriving <k'|(\partial_\mu \phi^\dag)\phi|k>
- PJK
- · Replies 7 ·
Graduate Schmidt decomposition and bipartite system
- Fredrik
- · Replies 8 ·
Graduate What Are the Unitaries in the Clifford Group?
- haaj86
- · Replies 1 ·
Graduate FTL Messaging: Does Violating Causality Follow?
- physikal
- · Replies 1 ·
Undergrad Is the electromagnetic field quantized?
- Hernik
- · Replies 4 ·
Undergrad Effect of Intensity and Frequency on Photoelectric Current
- bittu222
- · Replies 1 ·
Graduate QFT general properties operators
- matt8282
- · Replies 4 ·
Graduate Is the locality of the propagator affected by the value of M?
- RedX
- · Replies 2 ·
Graduate Quantum Entanglement: Bell's Telephone - Possible FTL Comms?
- maaku
- · Replies 5 ·
Graduate A Very Convincing Quantum Experiment?
- MarcoD
- · Replies 2 ·
Undergrad Some Explanation with Pauli's Spin Matrices
- firoz.raj
- · Replies 1 ·
Graduate Parity operator and degeneracy in hydrogen atom
- tshafer
- · Replies 4 ·
Graduate What does the EPR paper's reality criterion actually mean?
- LAncienne
- · Replies 2 ·
Graduate Is It Too Late to Learn Quantum Field Theory After Years in a Different Career?
- MarkSheffield
- · Replies 1 ·
Graduate Time Localization Same As Indeterminacy?
- LarryS
- · Replies 1 ·
Graduate Why can't their be zero-energy at the atomic scale
- noblegas
- · Replies 13 ·
Graduate Relaxation time and spatial width
- KFC
- · Replies 1 ·
Graduate Time as a Basis Vector in Quantum Mechanics
- sol66
- · Replies 3 ·
Graduate Is Bohmian mechanics compatible with the mathematical universe hypothesis?
- Dmitry67
- · Replies 19 ·
Graduate What Determines the Lineshape in a Two-Level System with Spontaneous Emission?
- KFC
- · Replies 5 ·
Graduate Some explanation with spin qantum No
- firoz.raj
- · Replies 5 ·
Graduate Lie groups and angular momentum
- sineontheline
- · Replies 10 ·
Graduate What is the standard definition of a quantum in physics?
- trogan
- · Replies 60 ·
Graduate Implications of Quantum physics
- Supaiku
- · Replies 11 ·
Undergrad What is meant by ths wave-particle duality of electrons?
- 54088
- · Replies 2 ·
Undergrad Why do two particles hold themselves together in a vacuum?
- BrettS
- · Replies 1 ·
Graduate Confusion on Meaning of Momentum
- Enjolras1789
- · Replies 8 ·
Graduate Desintegration of particle into 2 fermions
- paweld
- · Replies 6 ·
Graduate Second order approximation in time independent perturbaton theory
- paweld
- · Replies 1 ·
Graduate Is Quantum Energy Teleportation Experimentally Viable?
- ron_ron
- · Replies 1 ·
Graduate Are Autoionizing States Necessary for Accurate Wavepacket Representations?
- chafelix
- · Replies 2 ·
Graduate Is matter infinitely divisible or bounded by Planck length?
- DeadLeaf
- · Replies 29 ·
Graduate Is it possible to capture (contain?) and electron?
- ChmDudeCB
- · Replies 2 ·
Graduate What is Wave-Particle Duality in Quantum Physics?
- tlawton89
- · Replies 3 ·
Graduate Can We Use Quantum Mechanics to Reset Our Biological State?
- genphis
- · Replies 3 ·
Graduate Angular momentum and Hamiltonian commutator
- blagershod.smee
- · Replies 5 ·
Graduate Why are time-ordered integrals called time-ordered?
- Mr confusion
- · Replies 7 ·
Graduate Degenerate pertubation theory when the first order fails
- znbhckcs
- · Replies 1 ·
Graduate Why Tachyons Aren't Allowed in Physics Theory
- zetafunction
- · Replies 2 ·
Graduate Quantum Energy Teleportation and Decoherence
- Cyber Bob
- · Replies 2 ·
Graduate How Do You Calculate the Position of a Neutron Using Wave Functions?
- Cosmossos
- · Replies 1 ·
Graduate Ladder Operators acting upon N Ket
- Godmar02
- · Replies 7 ·
Graduate Question on the Collapse of the wave function?
- fdesilva
- · Replies 1 ·
Graduate Pure mixed entangled confusion
- kop442000
- · Replies 1 ·
Graduate Is the Movement of Real Fields in Tangent Space Related to Spinors?
- Spinnor
- · Replies 5 ·
Graduate Transformations in vector space
- Mr confusion
- · Replies 25 ·
Graduate Quantum Mechanics: Infinitesimal Translation Time Evolution Operator
- ber70
- · Replies 1 ·
Graduate Is the universe fundamentally quantum information?
- Evolver
- · Replies 2 ·
Graduate Sidney Coleman Lectures Free on the Net
- Mk
- · Replies 4 ·
Undergrad What is the wavelength of an object at rest according to de Broglie's equation?
- game1sov3r
- · Replies 1 ·
Graduate Interactions between real and virtual particles?
- asimov42
- · Replies 7 ·
Graduate Why isn't there a Time operator in QM?
- LarryS
- · Replies 47 ·
Graduate Are wavefunctions vectors in a function space or abstract states?
- Hipp0
- · Replies 14 ·
Graduate Fundamental Quantum Probability
- Geremia
- · Replies 28 ·
Graduate Questions about Schrödinger's cat, uncertainty, Higgs boson, and string theory
- jimharvard
- · Replies 5 ·
Graduate Do Electrons Interact With Virtual Particles?
- JerryMac
- · Replies 3 ·
Graduate Confused again by uncertainty relation
- kof9595995
- · Replies 18 ·
Graduate QED: Electron Spin & Magnetic Moment - Questions & Answers
- Urmi Roy
- · Replies 6 ·
Graduate Quantum Mechanics and Dialectics
- roam
- · Replies 2 ·
Graduate Why dont air molecules cause collapse
- guitarzanaz
- · Replies 1 ·
Graduate Why do particles exhibit wave-like behavior in quantum mechanics?
- randybryan
- · Replies 3 ·
Graduate How Does the Elitzur-Vaidman Bomb Tester Utilize Quantum Mechanics?
- LukeD
- · Replies 5 ·
Graduate What is the so called orthogonal operator basis ?
- twinphoton
- · Replies 5 ·
Graduate Why amplitude squared gives probability / Schrodinger Equation
- phina
- · Replies 80 ·