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 Technical difficulties in calculating hydrogen probabilities
- spaghetti3451
- · Replies 1 ·
Undergrad Converting Uncertainty in Millimeters to Meters for Radius Calculation
- rainstom07
- · Replies 1 ·
Graduate Understanding GHZ Entanglement
- StevieTNZ
- · Replies 11 ·
Graduate Path Cancellation: Can a Particle Come From Point A?
- StevieTNZ
- · Replies 6 ·
Graduate Are boson fields the adjoint of the fermionic field they couple to?
- a dull boy
- · Replies 3 ·
Undergrad Why world looks chaos on atomic scale but it is uniform on higher scale?
- SUROJL
- · Replies 4 ·
Graduate How Can We Understand the Hilbert Space in Quantum Field Theory?
- anthony2005
- · Replies 6 ·
Graduate What's the Verdict on "Quant-ph/9905077"?
- martinbn
- · Replies 2 ·
Graduate Writing Product States: When to Use a Sum?
- StevieTNZ
- · Replies 8 ·
Graduate Other means of quantum teleportation.
- BeanieBot
- · Replies 1 ·
Graduate How fundamental are complex numbers in quantum theory?
- Guillemet
- · Replies 11 ·
Graduate Why is the expectation value formula defined with the operator?
- Avatrin
- · Replies 1 ·
Graduate Is inner product a measurement in quantum computation?
- lathawarrier
- · Replies 1 ·
Graduate Understanding Uncertainty Principle
- mananvpanchal
- · Replies 5 ·
Graduate What the heck is meant by Pauli force/effect ?
- nonequilibrium
- · Replies 4 ·
Graduate Can Entangling Separate Photon Pairs Affect Previously Measured Photons?
- StevieTNZ
- · Replies 4 ·
Graduate Generating function of n-point function
- guilhermef
- · Replies 1 ·
Graduate Spin 1/2 and 720 degree rotation
- gespex
- · Replies 1 ·
Graduate Quantum Mechanics to a Newcomer
- Xyius
- · Replies 9 ·
High School Slit pattern, vertical or horizontal?
- lightconstant
- · Replies 5 ·
Graduate Why does a 45-degree mirror reflection cause a π/2 phase shift in photons?
- LarryS
- · Replies 4 ·
Graduate In electron/photon interactions does the handedness of the photon matter?
- Edward Milne
- · Replies 2 ·
Graduate What Causes Quantum Locking in Levitation Videos?
- rshalloo
- · Replies 4 ·
Graduate Questions in Weinberg The Quantum Theory of Fields Vol 1
- wphysics
- · Replies 3 ·
Graduate Can changes in spring constant affect the eigenstates of a harmonic oscillator?
- hokhani
- · Replies 4 ·
High School Getting Started with Quantum Mechanics: Advice for High School Students
- lordfox
- · Replies 2 ·
Graduate Plotting real and imaginary parts of the dielectric function
- jackchenx007
- · Replies 2 ·
Graduate What Is the Wavelength of the Earth According to De Broglie's Equation?
- 96hicksy
- · Replies 3 ·
Graduate How can reality be non local and its expression be local.
- dpa
- · Replies 2 ·
Graduate Where does the radial probability of an electron equation come from?
- brock321
- · Replies 1 ·
Graduate Can particles be distinguished if they can decay into each other?
- Khashishi
- · Replies 4 ·
Graduate How Does Proximity to Other Atoms Affect Electron Orbit Transitions?
- Jobee
- · Replies 4 ·
Graduate Can Randomness and Causality Coexist Logically?
- jadrian
- · Replies 55 ·
Graduate Experimentally, how well tested is Born's rule?
- dEdt
- · Replies 2 ·
Graduate The Singularity: A Fundamental State of Energy Before the Big Bang?
- El Topo
- · Replies 1 ·
Graduate Does the weak force violate conservation of charge?
- a dull boy
- · Replies 21 ·
Graduate Density matrix elements, momentum basis, second quantization
- Final ansatz
- · Replies 5 ·
Graduate How can we expand product of two currents into series?
- ndung200790
- · Replies 5 ·
Graduate Does Energy Redistribution in Wave Interference Happen Superluminally?
- peter.ell
- · Replies 3 ·
Graduate Schrödinger equation in terms of phase and modulus
- nonequilibrium
- · Replies 14 ·
Graduate Why is Hadronic Vacuum Polarization a Matrix Element of Current Products?
- ndung200790
- · Replies 1 ·
Graduate Relation between spontaneous emission, absorption and re-emission
- fisico30
- · Replies 1 ·
Graduate Mystery of the lost degree of freedom in a gauge theory
- TriTertButoxy
- · Replies 6 ·
Graduate Is stokes vector can be a quantum state?
- ftqpachino
- · Replies 3 ·
Graduate Can a Temporary 'Mark' Affect the Double Slit Interference Pattern?
- sumosanta
- · Replies 18 ·
Graduate Scattering - quantum electrodynamics
- lntz
- · Replies 1 ·
Graduate Bell's Theorem - Easy explained
- Edgardo
- · Replies 22 ·
Graduate Building a Lagrangian out of Weyl spinors
- Chopin
- · Replies 6 ·
Graduate Learning tensor operators from Shankar chapter 15.3
- Jolb
- · Replies 2 ·
Graduate Delayed double slit experiment
- Sergionuevo
- · Replies 6 ·
Graduate Perturbation of 2D Oscillator along one axis
- Holychikenz
- · Replies 1 ·
Graduate Aspect's experiment, bell's inequality, neutrino faster than 'c'.
- sg001
- · Replies 5 ·
High School The Requirement of integer orbitals
- Phyzwizz
- · Replies 3 ·
Graduate Mass/Energy of W Boson: Where Does it Go?
- Sagan369963
- · Replies 9 ·
Graduate Can a potential act in a small region of spacetime?
- Spinnor
- · Replies 4 ·
Graduate Is the Hydrogen Atom Stable in Relativistic Quantum Theory?
- Jano L.
- · Replies 41 ·
Graduate Path Integral/Canonical Quantization of Gauge Theories
- TriTertButoxy
- · Replies 10 ·
Graduate Quantum entanglement,Is it possible
- adarshtr
- · Replies 3 ·
Graduate Is The Dual Nature of Mass Affecting Astronaut Brains in Space?
- sharma_satdev
- · Replies 3 ·
Undergrad When electrons jump why photon
- jd12345
- · Replies 7 ·
Graduate Why isn’t time-dependent Schrodinger equation separable?
- HJ Farnsworth
- · Replies 5 ·
Graduate Create Boson: Know Pion vs Other?
- intervoxel
- · Replies 3 ·
Graduate Breit equation/relativistic QM and simplifications
- Amok
- · Replies 3 ·
Graduate How Quantum Theory Explains Human Consciousness
- sytstp
- · Replies 5 ·
Graduate Can I assume this is a travelling wave?
- merry
- · Replies 1 ·
Graduate How can a particle have infinite positions in quantum mechanics?
- StevieTNZ
- · Replies 29 ·
Graduate What are the states and equations of the Gluon Octet in SU(3)?
- Michio Cuckoo
- · Replies 1 ·
Graduate How to debunk new age Quantum physics crankery
- forests
- · Replies 12 ·
Graduate Question on quantum entanglement mechanism
- smithnya
- · Replies 3 ·
Graduate Some questions regarding decoherence
- tom.stoer
- · Replies 14 ·
Graduate Heisenberg Uncertainty Principle
- StevieTNZ
- · Replies 9 ·
Graduate Energies of a particle in a box vs. free particle?
- fhqwgads2005
- · Replies 5 ·
Graduate Orbital Angular Momentum Origin
- widderjoos
- · Replies 3 ·
Graduate Photon classical or nonclassical object?
- waterfall
- · Replies 5 ·
Graduate Semiclassical descriptions of atom-light interaction
- Niles
- · Replies 3 ·
Graduate Is there empty space with null energy?
- avery
- · Replies 2 ·
Graduate Rotational Quantum Number J: Understanding Its Role in Microwave Spectroscopy
- Chemist20
- · Replies 2 ·
Graduate Can a de Broglie wavelength be smaller than the Planck length?
- FisiksIdiot
- · Replies 3 ·
Graduate How is the length of a particle in a box polyene determined?
- Chemist20
- · Replies 5 ·
Graduate How fast do wave packets typically spread out?
- nonequilibrium
- · Replies 1 ·
Graduate Is there such a thing as an anti-gluon?
- Michio Cuckoo
- · Replies 5 ·
Graduate Quantum Tunneling and Deuterium Fusion
- Somerschool
- · Replies 19 ·
Graduate Purely electric quantum tunneling fusion
- Stanley514
- · Replies 2 ·
Graduate Can You Change Photon Polarization Without Affecting Entanglement?
- jadrian
- · Replies 7 ·
Undergrad Do Electrons Exhibit Electromagnetic Fields Like Photons?
- jd12345
- · Replies 2 ·
Graduate Total nuclear spin of deuteron
- Demon117
- · Replies 1 ·
Graduate How Do Operators and Integrals Connect in Quantum Mechanics?
- hello45
- · Replies 7 ·
Graduate Bell's Theorem and the detector
- San K
- · Replies 4 ·
Graduate Helps on understanding different representation transformations
- luxiaolei
- · Replies 1 ·
Graduate Renormalization Group for dummies
- waterfall
- · Replies 47 ·
Graduate Entanglement/Nonlocality question
- Jewlian
- · Replies 6 ·
Graduate Why triplet state |1,0> is considered parallel ?
- harrists
- · Replies 2 ·
Undergrad Uncertainty principle and particle accelerators
- CSinUK
- · Replies 6 ·
Graduate Learning quantum physics with minimal math background
- sMan
- · Replies 4 ·
Graduate What is quantum entanglement and how does it relate to Schrödinger's cat?
- fellupahill
- · Replies 9 ·
Graduate What is the definition of integration on operators?
- qasdc
- · Replies 9 ·
Graduate Why doesn't the Scully-Yoon-Ho experiment show interference at D0?
- yuvalg1
- · Replies 9 ·
Graduate Can Entangled Photons Be Used for Instantaneous Morse Code Communication?
- jadrian
- · Replies 2 ·
Undergrad Why is energy proportional to frequency?
- jd12345
- · Replies 2 ·
Graduate Does the Quantum Zeno Effect Contradict the Heisenberg Uncertainty Principle?
- jadrian
- · Replies 9 ·