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 Temporal Superposition and the Double Slit Experiment
- albroun
- · Replies 19 ·
Graduate Splitting a single light source into two out-of-phase sources?
- DanielFaraday
- · Replies 1 ·
Undergrad Photons transmitted through transparent substances.
- Infrasound
- · Replies 5 ·
Graduate Otimes notation and tau matrices used in definition of gamma matrices?
- Peeter
- · Replies 3 ·
Graduate Four fundamental forces. Which one is this?
- Antiphon
- · Replies 10 ·
Graduate Is Faster-Than-Light Travel Possible Through Quantum Entanglement?
- San K
- · Replies 19 ·
Graduate Can We Predict the Nature of Virtual Particles Created in Quantum Events?
- nouveau_riche
- · Replies 3 ·
Graduate Rigorous Feynman pathintegral derivation
- nahsihorst
- · Replies 8 ·
Graduate Collapse of the wave-function of a single photon in the general sense
- entropy1
- · Replies 5 ·
Graduate Unbounded operators in non-relativistic QM of one spin-0 particle
- Fredrik
- · Replies 76 ·
Graduate DCQE - how does/can the pattern change?
- San K
- · Replies 115 ·
Graduate Maximal set of commuting observables
- McLaren Rulez
- · Replies 9 ·
Graduate Energy and momentum operators in QM
- McLaren Rulez
- · Replies 7 ·
Graduate The Jaynes-Cummings Hamiltonian
- kof9595995
- · Replies 2 ·
Graduate Interference Pattern in Cascaded Experiments
- nouveau_riche
- · Replies 7 ·
Graduate Quantum Tunnelling Technologies
- crissyb1988
- · Replies 4 ·
Graduate Relativistic Momentum Operator
- Yitzach
- · Replies 6 ·
Graduate Understanding Hadamard Gates on Quantum Circuits
- jayjones01
- · Replies 8 ·
Graduate Derivation of Rayleigh–Jeans law
- jonathanpun
- · Replies 1 ·
Graduate Is entanglement effected by space-time?
- San K
- · Replies 1 ·
Graduate Wigner-Eckart Theorem: Rigorous Math Treatment
- WiFO215
- · Replies 4 ·
Graduate Does Space Possess Mass Through Virtual Particles?
- Nano-Passion
- · Replies 7 ·
Graduate How to explain the smallness of mass while the mass parameter diverge rapidly in ?
- ndung200790
- · Replies 7 ·
Undergrad Difference between Compton effect and Photoelectric effect
- jonathanpun
- · Replies 1 ·
Graduate Photons and Bose Einstein statistics
- DanP
- · Replies 19 ·
Graduate Schrodinger Equation in momentum space? ?
- 0ddbio
- · Replies 6 ·
Graduate Do weak measurement prove randomness is not inherent?
- San K
- · Replies 56 ·
Graduate Can you tell if a single electron was observed without knowing if the detector was on?
- little bang
- · Replies 3 ·
Graduate Is coherence restored after erasure of which-way info?
- San K
- · Replies 10 ·
Graduate Explaining DCQE through coherence and which-way information
- San K
- · Replies 59 ·
Graduate Angular momentum theory problem probably wrong sign
- lgnr
- · Replies 1 ·
Graduate Understanding which-way patterns in DCQE
- San K
- · Replies 1 ·
Graduate Feynman's QED claims about light particles and renormalization
- SteveL27
- · Replies 2 ·
Graduate FTL via entanglement- paper discussing similar
- San K
- · Replies 4 ·
Graduate Fourier transform of scattering hamiltonian
- dkin
- · Replies 1 ·
Graduate What Are the Common Misconceptions About Quantum Physics?
- MyQuest
- · Replies 17 ·
Graduate Why must A2 be zero in Schaum's Quantum Mechanics?
- atomqwerty
- · Replies 3 ·
Graduate How to Prove Momentum Operator is Hermite Operator?
- Karmerlo
- · Replies 2 ·
Graduate Delayed choice quantum eraser – Yoon Vs Walborn experiment/paper
- San K
- · Replies 1 ·
Graduate Is FTL Communication Possible Through Quantum Entanglement?
- San K
- · Replies 10 ·
Graduate Is Qualia Intrinsically Linked to Quantum Mechanics?
- Varon
- · Replies 63 ·
Graduate Is Pauli repulsion a real force or an emergent property?
- valleyman
- · Replies 5 ·
Graduate Degenerate perturbation theory help
- thoughtgaze
- · Replies 12 ·
High School How do charge and mass relate, and how does mass affect the force between particles?
- PrasadDev
- · Replies 2 ·
Graduate Renormalisation group transformation- Peskin
- muppet
- · Replies 1 ·
Graduate Four vector made of Pauli matrices commute?
- earth2
- · Replies 1 ·
Graduate How is observer defined in context to quantum physics?does it have
- nouveau_riche
- · Replies 32 ·
Graduate Proving that an operator is not Hermitian
- McLaren Rulez
- · Replies 5 ·
Graduate Does the universe split in the double slit experiment?
- lowing99
- · Replies 6 ·
Graduate Pictures of electron etc orbits
- luckis11
- · Replies 8 ·
Graduate How does QFT explain instant determination in EPR measurements of entangled fermions?
- LarryS
- · Replies 6 ·
Graduate No-cloning theorem and time travel
- stevenytc
- · Replies 4 ·
Graduate Are quantum field only calculation tools?
- Varon
- · Replies 6 ·
Graduate Uncertainty principle and Einstein's thought experiments
- peterpang1994
- · Replies 6 ·
Graduate Can boxes trap photon wavefunctions without collapsing them at each slit?
- troymclure
- · Replies 10 ·
Graduate Ghost Imaging - FLT, what is missing here?
- San K
- · Replies 8 ·
Graduate What are the matter wave polarization parameters?
- Greylorn
- · Replies 3 ·
Graduate Remote-Sensing Quantum Hyperspace by Entangled Photon Interferometry
- ShotmanMaslo
- · Replies 1 ·
Graduate Could Black Holes Actually Be Wormholes Into Other Universes?
- stephenwlin
- · Replies 2 ·
Graduate Quantum Entanglement - properties
- San K
- · Replies 2 ·
Graduate Possible cause of the Uncertainty effect on leptons
- mayeraus41
- · Replies 10 ·
Graduate What force does a vacuum exert in the Casimir effect?
- nhmllr
- · Replies 3 ·
Graduate Variational principle in quantum mechanics
- tom.stoer
- · Replies 9 ·
Graduate Time dependent Baker-Hausdorf formula
- paweld
- · Replies 2 ·
Graduate Diagonal elements in time-dependent perturbation theory
- baranas
- · Replies 3 ·
Graduate This is the Hilbert space for the Dirac spinor and state vector.
- kof9595995
- · Replies 7 ·
Graduate How do Noether's theorems apply to field theory and discontinuous symmetries?
- akai_ma
- · Replies 1 ·
Undergrad How are small particles detected (or seen)?
- gursimran
- · Replies 8 ·
Graduate ONLY three quark colors (and three anti-colors)?
- jerich1000
- · Replies 6 ·
Graduate Is Partial Quantum Collapse Possible Through Selective Measurement?
- Yoni
- · Replies 2 ·
Graduate One qubit modeling the universe
- R.P.F.
- · Replies 4 ·
Graduate Only Observables can be in Superposition?
- Varon
- · Replies 3 ·
Graduate Best Resources for Learning Path Integral Formulation in Quantum Mechanics?
- Amok
- · Replies 2 ·
Graduate Feynman Diagrams- Not Conserving Momentum?
- nhmllr
- · Replies 7 ·
Graduate Use of quantum ideas in classical statistical physics
- spaghetti3451
- · Replies 4 ·
Graduate Why is probability density = |wavefunction|^2?
- DuckAmuck
- · Replies 1 ·
Graduate Does electron position uncertainty affect macroscopic object position?
- kirkulator
- · Replies 1 ·
Graduate Can you erase which-slit information after seeing the interference pattern?
- nickelite
- · Replies 4 ·
Graduate Angular-Momentum Quantum Numbers
- Zarathustra0
- · Replies 6 ·
Graduate Interferometers with unequal arm lengths
- alanf
- · Replies 9 ·
Graduate Background Indipendant or Dependant?
- madhatter106
- · Replies 2 ·
Graduate Discussion of A. Neumaier's claim that classical EM can violate Bell's theorem
- JesseM
- · Replies 8 ·
Graduate QM Newbie: What Does 'Non-Degenerate Spectrum of Boundstates' Mean?
- c299792458
- · Replies 2 ·
Graduate Is Bell's Theorem a Valid Solution to the Locality Versus Nonlocality Issue?
- rlduncan
- · Replies 199 ·
Graduate Why can we freely disposal the renormalization conditions?
- ndung200790
- · Replies 13 ·
Graduate Can a classical model for electron satisfy requirements of quantum mechanics?
- mane.dada
- · Replies 5 ·
Graduate Color of Gluon Jets in Electron-Positron Annihilation
- appearelectro
- · Replies 1 ·
Graduate Superposition betweeen Boson and Fermion
- Varon
- · Replies 7 ·
Graduate Deriving variation in Hartree-Fock method
- baranas
- · Replies 1 ·
Undergrad Heisenberg Uncertainty Principle Meaning
- asalmon14
- · Replies 10 ·
Graduate How is there discrepancy between GR and QM?
- nhmllr
- · Replies 1 ·
Graduate TED Video: Making sense of a visible quantum object
- rhody
- · Replies 1 ·
Graduate In Calculus, does the limit somehow describe QP
- hankaaron
- · Replies 1 ·
Graduate What are quantum fluctuations and how could they create a universe?
- mattthecat
- · Replies 7 ·
Graduate Super position? or super assumption?
- Shinns
- · Replies 2 ·
Graduate How to get relation for multipole radiation?
- baranas
- · Replies 2 ·
Graduate Deriving the delta function from plane wave orthogonality integral
- Livethefire
- · Replies 9 ·
Graduate Quantum Entanglement: Questions
- Spice
- · Replies 4 ·
Graduate Spin-1 Propagator and polarization vectors
- TriTertButoxy
- · Replies 1 ·
Graduate Calculating the momentum of a debroglie wave from its wave function
- mitch_1211
- · Replies 12 ·