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
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 Understanding what happens when particles have a 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 Spin superposition-am I understanding things right?
- sciencegem
- · Replies 1 ·
Graduate Question RE: Susskind Entanglement Lecture 2
- meBigGuy
- · Replies 5 ·
Graduate Calculate the Clebsch-Gordon coefficient for the SP(3,R) by SU(3)
- dongsh2
- · Replies 4 ·
Graduate Doubt regarding rotations in spinor 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 Mandl & Shaw QFT Second Edition: Sign Discrepancy on Page 361
- Vic Sandler
- · Replies 24 ·
Graduate Is this a Deterministic Universe
- 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 Another double slit question - noob
- 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 Old Quantum Theory & Quantization of Action
- tom.stoer
- · Replies 6 ·
Graduate Nick Herbert's Proof: Quantum Non-Locality Explained
- 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 A question about Dirac Delta Potential Well solution
- Positron137
- · Replies 4 ·
Graduate Can we rewrite Schrodinger equation using observable variable?
- phdphysics
- · Replies 9 ·
Graduate How does one fermion change the energy of another fermion
- susskind99
- · Replies 3 ·
Graduate Proof of subadditivity of quantum entropy
- Narvalen
- · Replies 6 ·
Undergrad Understanding the Relationship Between EMR and Polarization
- 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 Laplace's Demon: Quantum Mechanics & Determinism
- 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 Error in Griffiths QM: completeness of stationary states
- Aziza
- · Replies 5 ·
Graduate Any loophole tactics to cheat locality with entanglement?
- QuestionMarks
- · Replies 6 ·
Graduate Photon Shot Effect & Hanbury Brown Twiss Effect: Why No Correlation?
- 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 Quick question on Probability Current
- 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 Understanding the Role of the Quantization Axis in Angular Momentum Measurements
- matematikuvol
- · Replies 1 ·
Graduate Understanding the Pauli Exclusion Principle
- susskind99
- · Replies 7 ·
Graduate Bose Einstein condensates and GR?
- Digitalism
- · Replies 3 ·
Graduate Quantizing Bosons: Is Classical Wave Theory Compatible with Experiments?
- michael879
- · Replies 26 ·
Graduate Do electrons (in a shell) have to be necessarily entangled?
- San K
- · Replies 3 ·
Graduate Momentum information from position space wave function
- jmd_dk
- · Replies 1 ·
Graduate How does two particles get entangled?
- the_pulp
- · Replies 1 ·
Graduate Failure to make a Mach–Zehnder interferometer?
- Artlav
- · Replies 1 ·
Graduate Quantum entanglement - what attributes are entangled?
- TrifePhysics
- · Replies 7 ·
Graduate Can Gravity Be Explained as a Composite of Electromagnetic and Strong Forces?
- MiloOfCroton
- · Replies 2 ·
Graduate Hidden-Variables: They may as well be deterministic
- stevendaryl
- · Replies 10 ·
Graduate What is the significance of the renormalization scale μ?
- Jodahr
- · Replies 1 ·
Graduate Smallest Unit of Energy: Number & Meaning
- SarcasticSully
- · Replies 1 ·
Graduate Explaining Fermionic Fields & Classical Coherent States
- sadegh4137
- · Replies 9 ·
Graduate Determinism, causality and field theory
- sadegh4137
- · Replies 4 ·
Graduate Total spin angular momentum meaning
- galvin452
- · Replies 4 ·
Graduate Determinism and Quantum Mechanics
- Saado
- · Replies 13 ·