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 Rydberg Blockade: Questions on Using for Single Photon Creation
- Xyius
- · Replies 2 ·
Graduate What is conserved in the various forms/types of entanglement?
- San K
- · Replies 11 ·
Graduate Delayed Choice Quantum Eraser communication
- gespex
- · Replies 5 ·
Undergrad Radiation Vectors: Wave Direction After Electron Energy Shift?
- jacassidy2
- · Replies 2 ·
Graduate Wave function collapse in curved spacetime
- atyy
- · Replies 9 ·
Graduate Understand the idea of superposition
- Fiziqs
- · Replies 3 ·
Graduate How do experimenters know when photons are entangled?
- James MC
- · Replies 11 ·
Graduate Are fermions truly antisymmetric in their wave function?
- Sivasakthi
- · Replies 15 ·
Graduate Can we look upon entanglement as measurement?
- Albert V
- · Replies 3 ·
Graduate Proton Decay- What happens to the proton after too many decays ?
- Curious_Dude
- · Replies 2 ·
Undergrad Lorentz,gallilean transformation
- Kehsibashok
- · Replies 1 ·
Graduate Measuring Plank's constant with LED's
- resurgance2001
- · Replies 4 ·
Graduate Photons and charged particles and dark matter
- SarcasticSully
- · Replies 2 ·
Graduate Orthogonal eigenvectors and Green functions
- paolorossi
- · Replies 1 ·
Graduate New to quantum and have a few questions
- maybedeadcat
- · Replies 1 ·
Graduate Feynman Lectures: The Random Walk Explained
- luuurey
- · Replies 1 ·
Graduate Simultaneously testing the Kochen-Specker and Bell theorems
- bohm2
- · Replies 4 ·
Graduate Is Entanglement Finite or Timeless in Varying Spacetime Curvature?
- EskWIRED
- · Replies 11 ·
Graduate Why is it usually the K-shell electron that is ejected?
- abotiz
- · Replies 10 ·
Graduate How do I decide that a particle is isolated?
- frogeraie
- · Replies 1 ·
Graduate Problem with Bell's lambda - again
- harrylin
- · Replies 28 ·
Graduate Is Dark Energy Linked to Vacuum Energy in QFT?
- dm4b
- · Replies 5 ·
Graduate What physically happens when photons, charged particles, and neutrons have higher energy?
- abotiz
- · Replies 4 ·
Graduate Space Translation: Sidney Coleman's Lectures Problem
- direct99
- · Replies 1 ·
Graduate Eigenvector proof from Dirac's QM
- Oxfordstudent
- · Replies 5 ·
Graduate Introduction to the development of Quantum Mechanics
- nick41
- · Replies 2 ·
Graduate How to Derive the Number of Components of a Rank-2A Tensor in Four Dimensions?
- ndung200790
- · Replies 8 ·
Graduate Cross-section for elastic scattering?
- muppet
- · Replies 2 ·
Graduate Virtuality of a nearly on-shell photon
- muppet
- · Replies 4 ·
Graduate Quantum entanglement and relativity of time
- B4ssHunter
- · Replies 1 ·
Graduate Bell's inequality when efficiency < 1
- naima
- · Replies 2 ·
Graduate Non locality of quantum mechanics
- entropy15
- · Replies 7 ·
Graduate Do bras and inner products relate in a Rigged Hilbert Space?
- lugita15
- · Replies 9 ·
Graduate Is the Field Operator in Quantum Field Theory an Observable or a Creation Tool?
- Kontilera
- · Replies 2 ·
Graduate Physical significance of eigenvalues?
- James MC
- · Replies 6 ·
Graduate Mossbauer Effect how does it work?
- edpell
- · Replies 1 ·
Graduate Spin and intrinsic angular momentum
- Sharon25
- · Replies 28 ·
Graduate Free action invariant under galliean boosts?
- geoduck
- · Replies 5 ·
Graduate Commutation relation of the creation/annihilation operators in a field
- guillefix
- · Replies 5 ·
Graduate Schrodinger equation molecules
- Big-Daddy
- · Replies 37 ·
Graduate Can a particle's spin be in superposition?
- sciencegem
- · Replies 1 ·
Graduate Observables and state measurement in Susskind's entanglement lecture
- meBigGuy
- · Replies 5 ·
Graduate Calculate the Clebsch-Gordon coefficient for the SP(3,R) by SU(3)
- dongsh2
- · Replies 4 ·
Graduate Why do spin-1/2 states respond to rotations in 3D Euclidean space?
- ashok vardhan
- · Replies 5 ·
Graduate Peskin/schroeder RG flow diagram
- geoduck
- · Replies 1 ·
Graduate Dirac's equation and anti-matter
- Salamon
- · Replies 3 ·
Graduate Sign error in Mandl & Shaw QFT equation 15.127 from Feynman rules
- Vic Sandler
- · Replies 24 ·
Graduate Is quantum mechanics incompatible with determinism?
- Tanelorn
- · Replies 65 ·
Graduate Lagrangian explicitly preserves symmetries of a theory?
- copernicus1
- · Replies 1 ·
Graduate The Pauli Exclusion Principle and Repulsive Forces in Atoms
- eightsquare
- · Replies 6 ·
Graduate Braking radiation and electromagnetic self action
- Ruslan_Sharipov
- · Replies 3 ·
Graduate Manipulating spin of entangled particles
- koletpa
- · Replies 1 ·
Graduate Would dbb cause an unequalness between the paths?
- San K
- · Replies 14 ·
Graduate Is Gravity a Field of Virtual Particles or a Curvature of Space-Time?
- physorguser
- · Replies 4 ·
Graduate Understand Physical Significance of Functions at Time 0
- Steve Drake
- · Replies 2 ·
Graduate Total momentum operator for free scalar field
- guillefix
- · Replies 2 ·
Graduate What does the quantum butterfly effect tell us?
- Naty1
- · Replies 6 ·
Graduate Is there any hope at all for Locality?
- andrewkirk
- · Replies 165 ·
Graduate Why the off-diagonal elements of electric dipole element are zero?
- bobydbcn
- · Replies 2 ·
Graduate Accelerating Atomic Decay Rate of Unstable Elements
- Spice
- · Replies 2 ·
Graduate Molecular Hamiltonian: H-Nucleus and Electron Interactions for H2 Molecule
- OmniReader
- · Replies 3 ·
Graduate Why some photons are absorbed while propagating through glass
- ns_phonon
- · Replies 14 ·
Graduate Does conscious observation or physical interaction cause wave function collapse?
- lyncsta
- · Replies 5 ·
Graduate Does the Observer have anything to do with conscious choice
- IamQ
- · Replies 82 ·
Graduate Commutators; matrices? numbers? both?
- James MC
- · Replies 12 ·
Graduate How Can Quantum Interference Control Stabilize a Frequency Comb's Carrier Phase?
- semc
- · Replies 1 ·
Graduate Does Cooling Radioactive Material Affect Quantum Condensate Radiation?
- tobiasnas
- · Replies 1 ·
Graduate Does quantization of action still apply in canonical quantization?
- tom.stoer
- · Replies 6 ·
Graduate Issues with Nick Herbert's proof of quantum non-locality
- harrylin
- · Replies 114 ·
Graduate How to get wavelength of the wave function?
- cooper607
- · Replies 1 ·
Graduate How to apply ladder operators?
- cooper607
- · Replies 1 ·
Graduate Can Tunneling Occur at 0 Kelvin with an Applied Bias?
- Hyo X
- · Replies 1 ·
Undergrad Paul Krugman on Quantum Mechanics
- Jolb
- · Replies 5 ·
Graduate Reason for wave-particle duality?
- Fast77
- · Replies 13 ·
Graduate Dirac delta potential scattering states why neither term diverges
- Positron137
- · Replies 4 ·
Graduate Can we rewrite Schrodinger equation using observable variable?
- phdphysics
- · Replies 9 ·
Graduate Why does a moving fermion transfer more energy to another fermion?
- susskind99
- · Replies 3 ·
Graduate Proof of subadditivity of quantum entropy
- Narvalen
- · Replies 6 ·
Undergrad Why does polarization work if EMR has perpendicular electric and magnetic fields?
- sciencegem
- · Replies 2 ·
Graduate In RBW there are no probabilities per se.
- audioloop
- · Replies 11 ·
Graduate Beam Splitter Physics: |45>,-|45> State Output
- StevieTNZ
- · Replies 4 ·
Graduate Can Laplace's demon work in quantum mechanics?
- Mickey1
- · Replies 10 ·
Graduate Quantum Mechanics Effects: Proton vs Up Quark
- susskind99
- · Replies 4 ·
Graduate What is a current view on Nimtz (FTL) effect?
- Dmitry67
- · Replies 5 ·
High School Why isn't it possible to walk thru a wall?
- rogerk8
- · Replies 14 ·
Graduate Are sine stationary states complete for all functions in an infinite well?
- Aziza
- · Replies 5 ·
Graduate Any loophole tactics to cheat locality with entanglement?
- QuestionMarks
- · Replies 6 ·
Graduate Why does the shot effect alone produce no correlation in the Hanbury Brown Twiss effect?
- Alfred Cann
- · Replies 13 ·
Graduate Simultaneous measurement of entanglement
- QuestionMarks
- · Replies 8 ·
Graduate Solving the Mystery of Unitary Time Operator in QM
- michael879
- · Replies 20 ·
Undergrad Can this explain the double-slit experiment by a classical way?
- Windows
- · Replies 4 ·
Graduate Interpreting probability current notation and mathematical prerequisites
- Seydlitz
- · Replies 2 ·
Graduate Intuition behind probability amplitude calculations?
- sciencegem
- · Replies 1 ·
Graduate Potential energy in the Dirac equation
- snoopies622
- · Replies 11 ·
Graduate How Do Entangled Particles Behave in a Double Slit Experiment?
- San K
- · Replies 4 ·
Graduate Why do we choose a quantization axis for angular momentum?
- matematikuvol
- · Replies 1 ·
Graduate How does the Pauli exclusion principle work at the mechanical level?
- susskind99
- · Replies 7 ·
Graduate Bose Einstein condensates and GR?
- Digitalism
- · Replies 3 ·
Graduate Could bosons be classical waves passing through a quantum filter?
- michael879
- · Replies 26 ·
Graduate Do electrons (in a shell) have to be necessarily entangled?
- San K
- · Replies 3 ·