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 Helium Atom Ionization: Dual Electron Energy?
- Mokdad
- · Replies 2 ·
Graduate Majorana Path Integral: Deriving VEVs of Barred/Unbarred Fields
- LAHLH
- · Replies 5 ·
Graduate Quantum physics and relativity
- scope
- · Replies 8 ·
Graduate Confirming Uncertainty: Electromagnetic Fields in Hilbert Space
- snoopies622
- · Replies 5 ·
Graduate What Happens to Matter Near Absolute Zero and the Role of Bosons?
- physicsnoob12
- · Replies 9 ·
Graduate Canonical Variables: What Are They?
- peeyush_ali
- · Replies 7 ·
Graduate When particles are not being observed do they still exist?
- courtney1111
- · Replies 8 ·
Graduate The Klein-Gordon field as harmonic operators
- y35dp
- · Replies 1 ·
Graduate Prove that eigenstates of hermitian operator form a complete set
- fa2209
- · Replies 2 ·
Graduate Proof of Hellmann Feynman Theorem for TD wavefunctions
- Pablolopez
- · Replies 3 ·
Graduate Is superposition a valid assumption in classical systems?
- elduderino
- · Replies 3 ·
Graduate Non-differentiable path in path integral?
- kof9595995
- · Replies 9 ·
Graduate The inconsistency of quantum nonlocality
- yoda jedi
- · Replies 3 ·
Graduate The solution to the Shordinger's eq.
- rbwang1225
- · Replies 2 ·
Graduate Quantum Entanglement: Entanglable particles?
- nuiluidwde
- · Replies 2 ·
Graduate Bell Measurement on 3-qubit GHZ state?
- DodongoBongo
- · Replies 1 ·
Graduate Correlation between electronic band structure of an atomic species
- thinktank1985
- · Replies 1 ·
Graduate What determines the number of electrons in an atom
- thinktank1985
- · Replies 7 ·
Graduate Any quantum analog for Betrand's theorem?
- kof9595995
- · Replies 11 ·
Graduate Runaway Solution in QED: A Discussion with Lorenzo
- Sleuth
- · Replies 1 ·
Graduate The electron as a wave: what is it that waves
- carwe
- · Replies 3 ·
Graduate Hydrogen atom (HELP ME FAST PLEASE)
- aaaa202
- · Replies 4 ·
Graduate What happens when objects reach the event horizon?
- physicsnoob12
- · Replies 1 ·
Graduate I dont understand why info cant be sent with entangled tripletes
- antonio glez
- · Replies 13 ·
Graduate Proof of Momentum Operator as Hermitian: Step-by-Step Guide
- aaaa202
- · Replies 4 ·
Graduate Hamiltonian-momentum commutator
- jarvinen
- · Replies 2 ·
Graduate Is Quantum Mechanics Really Dependent on Randomness and Probability?
- Phrak
- · Replies 16 ·
Graduate Question about the properties of electromagnetic fields
- Bararontok
- · Replies 8 ·
Graduate Linear Operators: Relationship Between Action on Kets & Bras
- aaaa202
- · Replies 2 ·
Graduate Does speed=frequency*wavelength for electrons?
- AdrianMay
- · Replies 13 ·
Graduate How Are Multiplets in Group Theory Related to Spin States in Quantum Mechanics?
- valleyman
- · Replies 2 ·
Graduate Superluminal instantaneous influence
- scope
- · Replies 5 ·
Graduate Heisenberg's uncertainty principle
- lavster
- · Replies 1 ·
Graduate Variable speed of light in QED
- exponent137
- · Replies 1 ·
Graduate What Are the Strange Results of Second Quantization?
- Hymne
- · Replies 4 ·
Graduate Why particle and antiparticle have the same mass?
- ndung200790
- · Replies 16 ·
Graduate Explicit form of time evolution operator
- bluesunday
- · Replies 10 ·
Graduate Quantum Superposition & Philosophy
- Elvin12
- · Replies 69 ·
Graduate How to derive the Breit equation (Pauli approximation) in position space?
- cddong
- · Replies 3 ·
Graduate How to understand electrostatics field in quantum level?
- ndung200790
- · Replies 1 ·
Graduate What Are the Matrix Forms of the Six Generators of Group SO(4)?
- YOBDC
- · Replies 8 ·
Graduate Coulombic interaction between the proton and electron of a hydrogen atom
- Demon117
- · Replies 2 ·
Graduate What is a Hermitian Operator? Explained & Proven
- aaaa202
- · Replies 1 ·
Graduate Uncertainty Principle Hypothetical question
- NetMage
- · Replies 19 ·
Undergrad What is the largest size for identical particles?
- scope
- · Replies 4 ·
Graduate Temporaly uncertainty principle
- IRobot
- · Replies 74 ·
Graduate Can superposition be tested by gravity?
- cryptist
- · Replies 43 ·
Graduate Can a quantum formalism exist without a Hamiltonian Formalism
- elduderino
- · Replies 10 ·
Graduate Finding Spectrum of Hamiltonians
- curtdbz
- · Replies 4 ·
Graduate Analog of Hawking Radiation Observed?
- Phyisab****
- · Replies 8 ·
Graduate Question on delta potential function
- Brown Arrow
- · Replies 9 ·
Graduate Golden ratios in quantum mechanics?
- Loren Booda
- · Replies 4 ·
High School Mastering the Operator: Unlocking Its Purpose and Benefits
- aliaa.afify
- · Replies 2 ·
Graduate Why they call them Lie groups.
- AdrianMay
- · Replies 19 ·
Graduate Schrodinger's equation and the Diffusion equation
- snkk197
- · Replies 1 ·
Graduate How do Pauli and Dirac Matrices Relate to Quaternions?
- Hymne
- · Replies 2 ·
Graduate How Are Commutation Relations Derived in Quantum Field Theory?
- Chopin
- · Replies 4 ·
Graduate QFT: Srednicki's Book: What Does a(x) Represent?
- Hymne
- · Replies 2 ·
Graduate Time independent Klein–Gordon equation with boundary conditions.
- Spinnor
- · Replies 1 ·
Graduate Ladder operators for angular momentum
- Tvdmeer
- · Replies 4 ·
Graduate Worked Out Example of Consecutive Observations in QM
- boderam
- · Replies 3 ·
Graduate The cause of entanglement / coupling
- Talisman
- · Replies 17 ·
Graduate Dirac's explanation of negative energy states
- paweld
- · Replies 1 ·
Graduate Two Bosons in a Box: Is it 2/3?
- nonequilibrium
- · Replies 3 ·
Graduate Why is Schrodinger's Equation complex?
- Colin_Smith
- · Replies 39 ·
Graduate What Happens to Rainbow Fringes with Monochromatic Red Light Diffraction?
- luckis11
- · Replies 1 ·
Graduate Bell's theorem proof. Does it really proofs anything?
- 0xDEAD BEEF
- · Replies 93 ·
Undergrad Quantum Singularities - What Is It?
- !Live_4Ever!
- · Replies 17 ·
Graduate Why energy level transitions only absorb or emit photons？
- arielleon
- · Replies 4 ·
Graduate Equation describing particle with spin higher than 1/2
- paweld
- · Replies 5 ·
Graduate What is complex quantum mechanics?
- ber70
- · Replies 1 ·
Graduate Simultaneous diagonalization of two hermitian operators
- y.moghadamnia
- · Replies 2 ·
Graduate Which wave function and operator is responsible for the Double Slit Experiment?
- curtdbz
- · Replies 4 ·
Graduate Intuitions on a Dual Vector Space
- sineontheline
- · Replies 6 ·
Undergrad What is the electromagnetic field?
- bendavis78
- · Replies 2 ·
Graduate Time independent operators and Heisenberg eq - paradox?
- pellman
- · Replies 4 ·
Graduate Can you explain the phenomenon of stimulated emission in lasers?
- atmdw
- · Replies 3 ·
Graduate Is It Possible to Create a Perfect Square Using Planck Lengths?
- ianfort
- · Replies 3 ·
Graduate Does Quantum Physics Prove there is no such thing as Matter?
- n4esa
- · Replies 7 ·
Graduate Quantum immortality. Are we immortal?
- Dremmer
- · Replies 1 ·
Graduate Trapped Ion Computing Question
- jonlg_uk
- · Replies 4 ·
Graduate Effects of a 10^60 Decrease in Solar Photon Energy on Earth's Temperature
- bhsmith
- · Replies 2 ·
Graduate HiLets say I have a Hamiltonian which is invariant in e.g. the
- Niles
- · Replies 4 ·
Graduate Uncertain principle and Noether theorem?
- ndung200790
- · Replies 3 ·
Graduate From Heisenberg to Superposition states
- skynelson
- · Replies 6 ·
Graduate Understanding Weinberg's QFT Proof of Annihilation/Creation Operator Sum
- scottbekerham
- · Replies 2 ·
Graduate Quantum Optics wave amplitude question
- Master J
- · Replies 1 ·
Graduate Quadrupole-quadrupole interaction?
- neo143
- · Replies 9 ·
Graduate Are There Operators in Quantum Physics Without Eigenvalue Properties?
- sancharsharma
- · Replies 8 ·
Graduate Meaning of h.c. in Lagrangians (& elsewhere?)
- hamiltonjr
- · Replies 2 ·
Graduate Wavelength of photon and size of imaged object
- fred1234
- · Replies 7 ·
Undergrad What is the effect of photon-electron collisions in X-ray imaging?
- genefalk
- · Replies 24 ·
Graduate What Are Propagators and Green's Functions in Quantum Mechanics?
- Niles
- · Replies 4 ·
Graduate Number of electron of a Hydrogen atom (molecule)
- torehan
- · Replies 8 ·
Graduate Why Is Quantum Mechanics So Difficult to Understand?
- y.moghadamnia
- · Replies 5 ·
Undergrad Entanglement and Teleportation
- Nienstien
- · Replies 1 ·
Undergrad Was the relation between E and f known BEFORE quantum theory?
- nonequilibrium
- · Replies 8 ·
Graduate What is the Role of Neutrinos in Explaining Beta Decay Energy Loss?
- TrickyDicky
- · Replies 3 ·
Graduate Temporal symmetry solves all quantum paradoxes?
- TheAlkemist
- · Replies 90 ·
Graduate Quantum Cryptography Project Help.
- mumaga
- · Replies 9 ·