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 Radial Probability Distribution Curve for Hydrogen Atom
- Jimmy25
- · Replies 2 ·
Graduate Photon Size: Uncertainty Principle & QM Explained
- Thinker007
- · Replies 65 ·
Graduate Does Time Slow Down at the Quantum Level as We Get Smaller?
- Windseaker
- · Replies 14 ·
Graduate Understanding Probability Amplitude, State Operators and Galilei Group
- Delta Kilo
- · Replies 2 ·
Graduate Can someone explain the behavior of particles in the double slit experiment?
- MathJakob
- · Replies 19 ·
Undergrad What does the definition the energy is not continuous mean?
- Brucezhou
- · Replies 11 ·
Graduate Can energy be converted to information?
- jimcross
- · Replies 13 ·
Graduate Beam Splitter - Commutation relations
- Hazzattack
- · Replies 1 ·
Graduate Quantum Entanglement vs Space Time
- IAmPixelTwitch
- · Replies 10 ·
Graduate Are quantum no-go theorems overrated/potentially counterproductive?
- bohm2
- · Replies 59 ·
Graduate How does the Higgs field couple to quantum states in Hilbert space before measurement?
- kye
- · Replies 57 ·
Graduate Probability density and acceleration
- Jarvis323
- · Replies 1 ·
Undergrad What is the dimensional formula for Planck's constant?
- forest chump
- · Replies 10 ·
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 Are there uncaused events in quantum mechanics?
- 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 Does a zero Hamiltonian mean time is undefined for a closed system?
- anorlunda
- · Replies 1 ·
Graduate Did the Goudsmit-Uhlenbeck analysis of spin consider relativity?
- lugita15
- · Replies 2 ·
Graduate Why multiple scattering in double wells is easy to solve
- 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 Difference between first-kind and non-demolition measurements
- 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 Can light pass through a rapidly modulated slit?
- 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 an objective feature of reality or subjective uncertainty?
- 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 Binding energy, Rydberg formula and momentum in muonic hydrogen
- Myslius
- · Replies 6 ·
Graduate Why is the creation operator not just energy increase?
- 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 Why can't we isolate quarks by separating them faster than gluons move?
- 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 ·