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 Velocity dependent fermion number?
- blue2script
- · Replies 2 ·
Graduate What is actually phase velocity?
- rozan977
- · Replies 3 ·
High School Why did Einstein reject quantum mechanics?
- jhooper3581
- · Replies 13 ·
Graduate What physical entity is an operator in quantum measurement?
- svnaras
- · Replies 36 ·
Graduate How Does the Uncertainty Principle Apply to Electron Beams and Gas Molecules?
- manofphysics
- · Replies 4 ·
Graduate How to check if Lagrangian is parity invariant?
- RedX
- · Replies 6 ·
Graduate Does a beam of entangled photons create interference fringes?
- bruce2g
- · Replies 53 ·
Graduate What exactly is barrier tunneling and potential barrier?
- rozan977
- · Replies 6 ·
Graduate Commutator of kinetic energy and potential energy
- Tipi
- · Replies 2 ·
Graduate Does a position operator exist?
- chrisphd
- · Replies 11 ·
Graduate Elastic scattering and momentum conservation
- r_tea
- · Replies 3 ·
Graduate Quantum Holograms: What do you think of skepdic.com?
- Galteeth
- · Replies 2 ·
Graduate Please suggest a book including cross section
- KFC
- · Replies 1 ·
Graduate Varying cross section superconductor
- Relena
- · Replies 1 ·
Resources for learning quantum physics
- Hippasos
- · Replies 5 ·
Graduate Young's Light-Double Slit Experiment: Is There a Minimum Ratio?
- horazonblade
- · Replies 5 ·
Graduate Measuring Position of a Quantum Mechanical Particle
- chrisphd
- · Replies 1 ·
Graduate Wave Functions: Understanding Moving Particles
- manofphysics
- · Replies 4 ·
Graduate Moving from Dirac equation to Lagrangian density
- GreyBadger
- · Replies 5 ·
Graduate Sequential stern-gerlach experiment
- svnaras
- · Replies 3 ·
Graduate Wave function collapse and entanglement
- zonde
- · Replies 12 ·
Graduate Need Help Understanding Misner Space Terminology
- Quantum Copy
- · Replies 1 ·
Graduate Does observer effect explain the Heisenberg uncertainty principle?
- mahela007
- · Replies 5 ·
Graduate Why doesn't the electron have a definite position?
- mahela007
- · Replies 8 ·
Graduate Matter Waves: What Does Frequency Represent?
- snoopies622
- · Replies 4 ·
Graduate Dirac conserved current vs Klein-Gordon conserved current
- pellman
- · Replies 14 ·
Graduate Can the Pendulum of Time Model Explain Double-Slit Experiment Results?
- Somerschool
- · Replies 2 ·
Graduate Why does a negative perturbation energy shift indicate an attractive force?
- Niles
- · Replies 2 ·
Graduate Metric and Covariant Derivative
- TriTertButoxy
- · Replies 2 ·
Graduate Azimuthal quantum number,l and magnetic quantum number, m
- JayKo
- · Replies 3 ·
Graduate Formula for Amplitude of a Photon
- penguin007
- · Replies 9 ·
Graduate Qutrit Teleportation: Understand How it Works with Nielson and Chuang
- damo642
- · Replies 2 ·
Graduate Can Isolation Turn You Into a Wave Function?
- Wangf
- · Replies 1 ·
Graduate Can We Construct a Detector for Precise Arrival Time of Monochromatic Photons?
- LarryS
- · Replies 9 ·
Graduate Textbooks on variational calculus path from Newtonian to quantum mechanics
- aliaze1
- · Replies 3 ·
Graduate How is entanglement not weird ?
- fereopk
- · Replies 26 ·
Undergrad How does a photon interact with a mirror?
- worwhite
- · Replies 31 ·
Graduate Does the Uncertainty Principle Suggest a Predetermined Universe?
- mikesaxon4
- · Replies 6 ·
Graduate Photon absorption and probability of atomic electron transition
- PhysicsAm55
- · Replies 3 ·
Graduate Are photons absorbed when two photons create matter?
- NJV
- · Replies 7 ·
Graduate Varying mass in Schrodinger Equation
- hermitian
- · Replies 1 ·
Graduate Is Quantum Measurement Uncertainty Due to Methods or the Act of Observation?
- mechaxl
- · Replies 9 ·
Graduate Ensuring Clean Quantum Measurements in the Stern-Gerlach Experiment
- sokrates
- · Replies 31 ·
Graduate Quantum corrections to force laws
- RedX
- · Replies 3 ·
Graduate Dirac Equation Derivation with Inhomogeneous Lorentz Group in QFT Book
- nklohit
- · Replies 4 ·
Graduate Alternate formulation of Dirac Notation
- IttyBittyBit
- · Replies 1 ·
Graduate Srednicki Path Integrals eq 6.22
- maverick280857
- · Replies 6 ·
Graduate What is the essence of quantization?
- massless
- · Replies 3 ·
Undergrad Bohr's Quantization of Angular Momentum
- msavg
- · Replies 2 ·
Graduate Quantum uncertainty on macroscopic scale
- litewave
- · Replies 2 ·
Undergrad Electron Transition: Why Doesn't Excited Electron Absorb Extra Photon?
- alamdar
- · Replies 4 ·
Graduate Can a particle in an infinite square well be in a momentum eigenstate?
- quasar_4
- · Replies 3 ·
Graduate Can Quantum Mechanics Explain the Paradox in Modified EPR Experiments?
- zonde
- · Replies 14 ·
High School Why is light polarized by reflection at a particular angle?
- Fadi A.Saif
- · Replies 1 ·
Graduate Bundle of energy, but does it have mass?
- myrhinobutt2
- · Replies 1 ·
Graduate Dirac delta function is continuous and differential
- astro2cosmos
- · Replies 4 ·
High School Which laser power works for Young's double slit experiment photography?
- Cmertin
- · Replies 5 ·
Graduate Momentum conservation in the photoelectric effect
- SergioPL
- · Replies 23 ·
Graduate About an (informal, discussion-oriented) Quantum Physics model
- snnmbr
- · Replies 2 ·
Graduate Why do quantum mechanics textbooks require Hilbert space formalism?
- luisgml_2000
- · Replies 4 ·
Graduate Rayleigh scattering vs Compton scattering and Dirac sea infinities
- kof9595995
- · Replies 6 ·
Graduate Quantum Measurements and Macroscopic Objects
- Jimmy84
- · Replies 7 ·
Graduate Nuclear magnetic resonance dipole dipole interaction
- xfshi2000
- · Replies 1 ·
Graduate Is the wavefunction physical or epistemic?
- madness
- · Replies 5 ·
Graduate Derived form of plancks distance
- bpm_vns19
- · Replies 1 ·
Graduate Pion Nucleon Scattering and Group Theory in Quantum Field Theory
- Physiana
- · Replies 2 ·
Graduate String tension contradiction in Srednicki equation 82.37
- RedX
- · Replies 7 ·
Graduate Wick rotation is consistent with caculus?
- PRB147
- · Replies 5 ·
Graduate What causes wave function collapse upon observation?
- elfmotat
- · Replies 38 ·
Graduate How Does Bifurcation in Dynamical Systems Influence Information Generation?
- Gargamel
- · Replies 1 ·
Graduate If a system is made of 3 atoms with no degeneracy with energy levels
- iontail
- · Replies 4 ·
Graduate Solving the Measurement Problem: Imagine Yourself in a Room
- hagopbul
- · Replies 8 ·
Graduate Can quantum mechanics and special relativity both be compatible with locality?
- DrChinese
- · Replies 3 ·
Graduate Reconstruction of potential V(x)
- zetafunction
- · Replies 1 ·
Graduate Self-Adjoint Operators and Reversible Logic gates
- karatemonkey
- · Replies 6 ·
Graduate About Feynman's 'QED:The strange theory of light and matter'
- penguin007
- · Replies 9 ·
Graduate Did Scientists Prove Current Measurements Change the Past?
- Wangf
- · Replies 8 ·
Graduate What is unpolarized current and how does it get polarized?
- sokrates
- · Replies 10 ·
Graduate I think I have good questions About superposition and splitting
- Wangf
- · Replies 19 ·
Graduate Negative energy photon emission
- tickle_monste
- · Replies 8 ·
Graduate How Can Degenerate Perturbation Theory Help Identify Zero Order Eigenstates?
- hermitian
- · Replies 5 ·
Graduate Does superposition mean an object vibrates faster than light?
- Greg_Jones
- · Replies 1 ·
Graduate Reality, locality and determinacy.
- alexepascual
- · Replies 16 ·
Graduate What is the relationship between quantum bits and classical measurements?
- Red_CCF
- · Replies 27 ·
Graduate Tim Palmer's Invariant Set Postulate as geometric quantum theory
- Baboon
- · Replies 3 ·
Graduate Photons do not travel in straight lines
- tickle_monste
- · Replies 40 ·
Graduate Transition from QFT to Classical Physics using Path Integrals?
- RedX
- · Replies 2 ·
Graduate Entropy and the Uncertainty Principle
- IttyBittyBit
- · Replies 7 ·
Graduate References on Euclideanizing actions and Wick rotation in field theory
- TriTertButoxy
- · Replies 1 ·
Normalising phi for the hydrogen atom
- mrausum
- · Replies 2 ·
Graduate Problem with Path Integral Expressions in Peskin And Schroeder Section 9.1
- maverick280857
- · Replies 4 ·
Graduate One atom in space what happens
- Quantom
- · Replies 2 ·
Graduate Why is the ground state of the Heisenberg Hamiltonian a superposition?
- Skatch
- · Replies 2 ·
Graduate Is the Classical Limit of Quantum Field Theory a Valid Inquiry?
- maverick280857
- · Replies 3 ·
Graduate Why is Rabi frequency important in physics?
- KFC
- · Replies 4 ·
Graduate How does the interaction between two quantum systems form entanglement?
- alexepascual
- · Replies 3 ·
Graduate Synchronizing n samplers to sample at 1/n Planck time
- Hippasos
- · Replies 3 ·
Graduate What is the Weyl symbol and its relation to the propagator in QFT?
- maverick280857
- · Replies 4 ·
Graduate Pauli's exclusion principle and cooper pairs
- noblegas
- · Replies 7 ·
Graduate Do atoms achieve perpetual motion through quantum leaping?
- Kryptech
- · Replies 3 ·