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.
Threads
Undergrad Emission spectrum wavelengths.
- P.Bo
- · Replies 5 ·
Graduate Simultaneous measurement of noncommuting observables
- atyy
- · Replies 14 ·
Graduate Harmonic Oscillator: Let a+,a- be the Ladder Operators
- aaaa202
- · Replies 1 ·
Graduate What is the v(p) polynomial in radial wave function
- lonewolf219
- · Replies 2 ·
Graduate Quantum field theory basic concepts
- TrickyDicky
- · Replies 7 ·
Graduate Is Phi^3 Theory in Five Dimensions Supposed to Be Finite?
- electroweak
- · Replies 3 ·
Undergrad If i have a=exp x, and i know that my uncertainty in a is 3% ( at all
- lavster
- · Replies 3 ·
Graduate Quantum Causality: Investigating Uncaused Events
- gmarquis
- · Replies 5 ·
Graduate Does measuring equipment cause wave-particle behavior in the double slit experiment?
- caibbor
- · Replies 21 ·
Undergrad Why are photons released when electron jump states?
- Avichal
- · Replies 4 ·
Graduate Operators with commutator ihbar
- lonewolf219
- · Replies 2 ·
Graduate Self-dual and Anti Self-dual antisymmetric tensor
- wphysics
- · Replies 2 ·
Graduate Ball throwing model and some questions about QED
- sf1001
- · Replies 1 ·
Graduate Is True Randomness a Fundamental Aspect of the Universe?
- dilsfunspot
- · Replies 36 ·
Graduate Fourier Transform, and the uncertainty principle
- YaelPerkal
- · Replies 29 ·
Graduate Is the Connection Between Energy and Time Overlooked in Physics?
- anorlunda
- · Replies 1 ·
Graduate Did the Goudsmit-Uhlenbeck analysis of spin consider relativity?
- lugita15
- · Replies 2 ·
Graduate Unraveling the Mystery of Multiple Scattering in Double Well Systems
- aaaa202
- · Replies 2 ·
Graduate The angular momentum operator acting on a wave function
- Jerrynap
- · Replies 4 ·
Graduate How Can A.K. Ramanujan's Mathematics Enhance Understanding of Modern Physics?
- squareroot
- · Replies 3 ·
Graduate What is Schwinger terms and what is the origin?
- ndung200790
- · Replies 1 ·
Graduate Do Hamiltonians Fully Represent All Observables in Quantum Mechanics?
- kye
- · Replies 15 ·
Graduate Time-energy uncertainty and vacuum fluctuations
- greypilgrim
- · Replies 17 ·
Graduate Second Quantization: Single Particle Basis States
- aaaa202
- · Replies 9 ·
Graduate Can you explain the fugacity of boson gas in Bose-Einstein Condensation?
- Ang Han Wei
- · Replies 1 ·
Graduate Proof that a Dirac particle has spin 1/2?
- AlbertEi
- · Replies 6 ·
Graduate Foundations of Quantum Mechanics: Unknown Expression
- intervoxel
- · Replies 3 ·
Graduate Representing Operators as Matrices and Differential Operators
- aaaa202
- · Replies 5 ·
Graduate Particle Number Operator (Hermitian?)
- Mimb8
- · Replies 4 ·
Graduate Quantum measurement: first kind vs non-demolition
- Demystifier
- · Replies 9 ·
Graduate Preservation of Poisson Bracket Structure upon quantization?
- VoxCaelum
- · Replies 5 ·
Graduate Where Can I Find Resources on Bogoliubov Transformations for Quantum Mechanics?
- hidetsugu
- · Replies 7 ·
Graduate C Modulated Slit: Can Light Pass Through?
- jkg0
- · Replies 11 ·
Graduate Trying to calcualte the uncertainty
- lavster
- · Replies 3 ·
Graduate Which axis does flux pinngin work on?
- 1832vin
- · Replies 1 ·
Graduate Quantum Universe everything that can happen does happen
- botev1912
- · Replies 16 ·
Graduate Angular momentum of identical particles
- geoduck
- · Replies 3 ·
Graduate Gauge invariance and conserved current in SU(N)
- michael879
- · Replies 11 ·
Graduate Is the wave function real or abstract statistics?
- matrixrising
- · Replies 118 ·
Graduate Heisenberg's Uncertainty - ΔλΔx
- Legaldose
- · Replies 9 ·
Graduate Uncertainity and Mass teleporting
- vamsi.adarsh
- · Replies 11 ·
Graduate New article about after life and Quantum physics
- xsgx
- · Replies 6 ·
Graduate Questions about Muonic Hydrogen: Binding Energy, Rydberg Formulas & Momentum
- Myslius
- · Replies 6 ·
Graduate Quantum harmonic oscillator, creation & annihilation operators?
- Doofy
- · Replies 8 ·
Graduate Feynman Hellman Theorem: dependence of E on [itex]\ell[/itex] Hydrogen
- MisterX
- · Replies 4 ·
Graduate How do I express p1 |v1> + p2 |v2> for a mixture, not a pure state?
- naima
- · Replies 4 ·
Graduate DLCZ protocol - what does the beamsplitter do?
- zje
- · Replies 2 ·
Graduate How can an electron in a steady-state have a non-zero speed?
- Mandragonia
- · Replies 26 ·
Graduate Isolating Quarks - Understanding the Logic
- zachfoltz
- · Replies 2 ·
Graduate Why does Planck's Law have different peaks?
- lugita15
- · Replies 4 ·
Graduate Bound state of finite square well, why do we make this statement?
- Outrageous
- · Replies 10 ·
Graduate Does Potential in Quantum Mechanics Only Refer to Electrical Potentials?
- Physics_UG
- · Replies 5 ·
Graduate Could someone clear up the paper on casimir effect
- epislon58
- · Replies 2 ·
Graduate What Happens to Spin in 2+1 Dimensions and Beyond?
- Troy124
- · Replies 1 ·
Graduate Eigen value of total angular momentum
- Idoubt
- · Replies 7 ·
Top 10 physicists in quantum mechanics?
- Duplex
- · Replies 3 ·
Graduate How did the variable change in the Dirac-Delta function property equation?
- unscientific
- · Replies 7 ·
Graduate Planck's Constant/Uncertainty Principle
- noobphysicist
- · Replies 6 ·
Graduate Explicit form of scalar propagator
- parton
- · Replies 4 ·
Graduate 1/2 spin particle in a norm-constant magnetic field
- christianpoved
- · Replies 4 ·
Graduate Why can we apply the symmetries of S-Matrix to part of Feynman diagram
- ndung200790
- · Replies 6 ·
Graduate The Schrodinger Equation: How to Solve for Time Evolution and Eigenstates
- wileecoyote
- · Replies 9 ·
Graduate Is the interference of Fullerene due to the center-of-mass approximation?
- craigi
- · Replies 10 ·
Graduate Can exited states exist without a ground state?
- Mark_M
- · Replies 3 ·
Graduate How to show that cloning by measurement is impossible?
- greypilgrim
- · Replies 1 ·
Graduate Quantum Entanglement for the layman?
- Tembo441
- · Replies 17 ·
Graduate Adding angular momenta using levi-civta symbol
- geoduck
- · Replies 2 ·
Undergrad Paired electrons in a magnetic field
- anorred
- · Replies 5 ·
Graduate Problem with quantum FTL communications
- faramund
- · Replies 6 ·
Graduate Does all quantum particles exist?
- abi.ayan
- · Replies 1 ·
Graduate Trace of operator with continuous spectrum
- Delta Kilo
- · Replies 22 ·
Graduate Quantum Entangled Emitter and Receiver
- Antim@tter
- · Replies 2 ·
Graduate Could the hidden variables be encoded in the observer?
- bcrelling
- · Replies 6 ·
Graduate Mathematically what causes wavefunction collapse?
- Superposed_Cat
- · Replies 129 ·
Graduate Lee Smolin Real Ensemble I. questions
- kye
- · Replies 2 ·
Graduate Are Eigenstates of a Wavefunction Entangled?
- matrixrising
- · Replies 29 ·
Graduate Energy of an Infinite Square Well
- TBW
- · Replies 13 ·
Graduate Why do we conjugate operators in QFT?
- gentsagree
- · Replies 3 ·
Graduate Nonlinear Optics: Split Method & Results
- eahaidar
- · Replies 7 ·
Graduate Expectation value of a hermitian operator prepared in an eigenstate
- Dixanadu
- · Replies 1 ·
Graduate Not understanding cosmological constant in field theory
- geoduck
- · Replies 3 ·
Graduate What is the relationship between creation and annihilation operators in k-space?
- Trave11er
- · Replies 4 ·
Graduate Van del waals interaction in qm
- alejandrito29
- · Replies 1 ·
Graduate Is chirality dependent on the representation of the gamma matrices?
- AlbertEi
- · Replies 2 ·
Graduate Quantum Principles of Quantum Computers
- kye
- · Replies 2 ·
Graduate Intuition behind superposition probabilities?
- sciencegem
- · Replies 14 ·
Graduate Understanding Dirac Notation in Quantum Mechanics
- phyky
- · Replies 6 ·
Graduate Understanding Potential Energy in QM
- leinadle
- · Replies 5 ·
Graduate Understanding the Double-Slit Experiment: Photon Direction and Predictions
- glederfein
- · Replies 2 ·
Graduate Gauge forces and internal symmetries
- kye
- · Replies 9 ·
Graduate Is Heisenbergs uncertainty principle valid?
- edguy99
- · Replies 8 ·
Graduate Free particle wavefunction represent a fixed profile= wavepacket?
- Outrageous
- · Replies 2 ·
Graduate Schrödinger theory, bunch of questions
- fede.na
- · Replies 2 ·
Graduate Expectation value for non commuting operator
- phyky
- · Replies 12 ·
Graduate What does it mean to quantize a field
- copernicus1
- · Replies 4 ·
Graduate Has Wave Function Collapse Been Verified Experimentally ?
- Point Conception
- · Replies 1 ·
Graduate Is the Double Slit Experiment Key to Understanding Quantum Mechanics?
- Sunil.Iyengar
- · Replies 10 ·
Graduate What is the relationship between proton and electron spin in atoms?
- zincshow
- · Replies 2 ·
Graduate Quantum harmonics oscillator at high temperature
- alejandrito29
- · Replies 3 ·
Graduate What is wavefunction in the time-dependent schrodinger equation?
- goodphy
- · Replies 6 ·