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 QFTs & Epsilons: Unraveling Beta Functions in Dim Reg
- lonelyphysicist
- · Replies 1 ·
Graduate How Does Planck's Quantised Energy Theory Address the Ultraviolet Catastrophe?
- oheaveno
- · Replies 5 ·
Graduate Experimental Tests of Projection Postulate
- Nicky
- · Replies 48 ·
Graduate What are the fundamental objects in Quantum Field Theory?
- Hurkyl
- · Replies 7 ·
Undergrad Cerenkov Radiation/Cerenkov Light
- Artermis
- · Replies 3 ·
Undergrad How Can We Compare the Frequency and Wavelength of Gamma Rays and Visible Light?
- Allen J
- · Replies 3 ·
Graduate What happens measuring incompatible observables on entangled particles?
- cdevarennes
- · Replies 14 ·
Graduate Schrödinger equation and equivalence principle
- hellfire
- · Replies 17 ·
Graduate Relational Solution of Measurement Problem?
- selfAdjoint
- · Replies 2 ·
Graduate What's the explanation of W+/e+ decay?
- MarsGhost
- · Replies 4 ·
Graduate Measuring Particle Mass: Is Charge a Constant Property?
- MarsGhost
- · Replies 8 ·
Graduate Laughlins theory of emergence?
- statespace101
- · Replies 11 ·
Graduate Can electrons separated faster than light decide their spins in EPR correlations?
- niehls
- · Replies 5 ·
Graduate Quantum state teleportation vs Star Trek teleportation
- ZapperZ
- · Replies 2 ·
Graduate Can black holes violate quantum number conservation?
- danAlwyn
- · Replies 4 ·
Graduate An impossible quantum theory of everything?
- Bob Eldritch
- · Replies 5 ·
Graduate Pointlike particles and the emergence of classicality
- DMuitW
- · Replies 3 ·
Graduate On the definition of reallity by EPR
- shomey
- · Replies 7 ·
Graduate Effect of wormholes on photons, ect.
- professor
- · Replies 3 ·
Undergrad Is the lifetime of the Z0 particle too short to be directly observed?
- pallidin
- · Replies 20 ·
Graduate Pertaining to the properties of electromagnetic radiation/ quanta
- professor
- · Replies 10 ·
Graduate Is Reality an Illusion of Matter and Space?
- Bigtex005
- · Replies 18 ·
Graduate Matrix associated to a vector (how?)
- member 11137
- · Replies 6 ·
Graduate What is the distribution of energy for beta-minus decay?
- sniffer
- · Replies 4 ·
Graduate Quantum Tunneling: Explained, Theories & Answers
- cyleung_2001
- · Replies 6 ·
Graduate Experimental Setup Ideas for Simple Cyclotron Particle Accelerators
- DoubleRaven
- · Replies 1 ·
Can Quanta Change Color?
- cubed
- · Replies 51 ·
Graduate Where does the wave function of an atom collapse in the photoelectric effect?
- Muadib
- · Replies 2 ·
Graduate Understanding Einstein's photoelectric effect paper
- learningphysics
- · Replies 3 ·
Graduate Is a Local Potential Always Diagonal in Quantum Mechanics?
- jonas_nilsson
- · Replies 2 ·
Graduate LSZ Representation: A Simple Explanation
- Itzhak the cat
- · Replies 5 ·
Undergrad What is meant by molecular temperature ?
- shrumeo
- · Replies 18 ·
Graduate Observables in Quanum Mechanics
- mmgbmm
- · Replies 10 ·
Graduate What is the EPR paradox and how does it relate to entanglement?
- Niffgiffler
- · Replies 2 ·
What is the Hans Bethe website about?
- Daminc
- · Replies 5 ·
Graduate What is the physical mass and coupling?
- lonelyphysicist
- · Replies 11 ·
Graduate Uncertainty and the Speed of Light
- εllipse
- · Replies 5 ·
Graduate Proving Scalar Operator: Laplacian in 4 Dimensions
- mmgbmm
- · Replies 4 ·
Graduate Could a quantum computer perform the tasks of a regular computer?
- box
- · Replies 2 ·
Graduate Understanding Potential Wells: Finite vs. Unbounded
- Feynmanfan
- · Replies 2 ·
Graduate Can the Born rule emerge from unitary quantum mechanics in MWI?
- vanesch
- · Replies 15 ·
Graduate New model permits time travel
- DMuitW
- · Replies 2 ·
Graduate Expectation value of following function
- Kruger
- · Replies 3 ·
Graduate Classical vs operator-based approaches to learning quantum mechanics
- James Jackson
- · Replies 44 ·
Graduate Wave-Particle Duality: Always Both, Never Isolated
- scilover89
- · Replies 5 ·
Graduate Wave function of a free particle
- Feynmanfan
- · Replies 2 ·
Graduate What Is a Postulate in Quantum Mechanics?
- Gamble123
- · Replies 2 ·
Graduate Pure and not pure states, an example
- jonas_nilsson
- · Replies 4 ·
Graduate Commutation (Ehrenfest?) relations
- mikeu
- · Replies 6 ·
Graduate Counting loops in Feynman diagrams from vertices and lines
- lonelyphysicist
- · Replies 6 ·
Graduate Is time quantized and does light experience time flow?
- decs
- · Replies 4 ·
Graduate Is the Manifold of Eigenfunctions in Quantum Mechanics a Valid Concept?
- Mike2
- · Replies 8 ·
Graduate Why are dimension > 4 operators non-renormalizable?
- fliptomato
- · Replies 2 ·
Graduate Can the history of a particle be traced in principal?
- Q_Goest
- · Replies 5 ·
Graduate Quantum measurement problem paper
- wolram
- · Replies 2 ·
Graduate Why electron annihilates with positron but binds with proton
- Dr. Nick
- · Replies 19 ·
Undergrad Effect of EMP on electrons. And other EMP related questions.
- T10
- · Replies 10 ·
Graduate New to QM, with questions relating to GR
- εllipse
- · Replies 9 ·
Graduate Why do neutrons decay in some nuclei but not others?
- lonelyphysicist
- · Replies 21 ·
Graduate Do you know what this particular unitary operator is?
- QMrocks
- · Replies 7 ·
Graduate Why Does the Heisenberg Uncertainty Principle Affect Electron Behavior in Atoms?
- El Hombre Invisible
- · Replies 21 ·
Graduate A budweiser beer (the phase operator)
- arivero
- · Replies 2 ·
Quantum physics books for beginners
- emotionalmachine
- · Replies 9 ·
Graduate Looking for a QFT Exercise Buddy: A Grad Student's Quest for Mastery
- lonelyphysicist
- · Replies 2 ·
Graduate What is the Einstein-De Haas effect?
- hershal
- · Replies 4 ·
High School What If Light Could Travel Slower?
- burt reynolds
- · Replies 9 ·
Graduate Single Slit Exp: Electron Behavior - Not "Finger of God
- jamesclerkmaxwell
- · Replies 2 ·
Graduate How does Hawking radiation form mathematically?
- Moore1879
- · Replies 2 ·
Graduate Reconciling Fermionic and Bosonic Behaviors in the Particle in a Box System
- Nicky
- · Replies 11 ·
Graduate How Can a Particle Transition Between Sides in an Infinite Potential Well?
- churi55
- · Replies 8 ·
Graduate How Does Energy Relate to Matter, Fields, and Photons?
- Ratzinger
- · Replies 13 ·
Graduate Superconductivity and Quantum Field Theory
- vkc102
- · Replies 5 ·
Graduate That the two gamma rays are only one possible decay mode?
- redwraith94
- · Replies 9 ·
Graduate Do average values and variance of observables depend on the system state?
- Feynmanfan
- · Replies 2 ·
Graduate Is mass quantized if energy exists only in quanta?
- SeReNiTy
- · Replies 25 ·
Graduate What are main laws of quantum physics and some other questions
- No-where-man
- · Replies 9 ·
Graduate Why multiply identical particle wave functions by e^i(Δ)
- bjon-07
- · Replies 3 ·
Graduate When is a particles charge spread out?
- box
- · Replies 9 ·
Graduate Are Photons Responsible for the Forces in Static Electric Fields?
- BigMacnFries
- · Replies 2 ·
Graduate What Does Quantizing a Field Really Mean in Quantum Field Theory?
- baka
- · Replies 3 ·
High School H. G. Wells' The Invisible Man
- Mentat
- · Replies 90 ·
Graduate Gaining Insight into Scalar Field Theory Questions
- Kalimaa23
- · Replies 3 ·
Graduate Can We Truly Trace the Path of Electrons and Pinpoint Photons?
- IntuitioN
- · Replies 11 ·
Graduate Generating Electricity with Casimir Force and Piezo-Electric Material
- Jonny_trigonometry
- · Replies 4 ·
Graduate QFT: Justifying Position-Momentum Commutation Relation
- jack47
- · Replies 2 ·
Graduate Can Quantum Theology Bridge the Gap Between Physics and Spirituality?
- johnparsons
- · Replies 3 ·
Graduate Can reversible computation avoid entropy increases?
- Q_Goest
- · Replies 6 ·
Graduate Finite Square Well: Constructing Initial Wave Function with E < 0
- genxhis
- · Replies 2 ·
Graduate Mandel experiment: when does blocking an idler beam affect signal interference?
- ShalomShlomo
- · Replies 58 ·
Undergrad Why does observing electrons in the double slit experiment change their behavior?
- BenGoodchild
- · Replies 2 ·
Graduate Virtual photons and spin conservation in QED
- Kruger
- · Replies 21 ·
Graduate Why does |C_i|² equal the measurement frequency n_i/N?
- maverick280857
- · Replies 5 ·
Graduate What is the literature on squeezed electric field modes in accelerated frames?
- Philcorp
- · Replies 2 ·
Graduate How does the single-slit experiment demonstrate the uncertainty principle?
- Spastik_Relativity
- · Replies 15 ·
Graduate The Measurement Problem: the return :-)
- vanesch
- · Replies 2 ·
Graduate Further reading on angular/spin momentum
- wintercarver
- · Replies 2 ·
Graduate Where Can I Continue Learning QFT on My Own?
- StatusX
- · Replies 53 ·
High School What is the metal(s) used in photoelectric experiments?
- Oerg
- · Replies 15 ·
Graduate Charge Conservation: Understanding Klein-Gordon Equation
- cjellison
- · Replies 4 ·
Graduate Where can I find sources for LCAO theory?
- balkan
- · Replies 3 ·