Quantum Physics Forum

Post thread
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.

Sub-forums

Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Graduate Pertaining to the properties of electromagnetic radiation/ quanta
  • professor
  • · Replies 10 ·
Replies
10
Graduate Is Reality an Illusion of Matter and Space?
  • Bigtex005
  • · Replies 18 ·
Replies
18
Graduate Matrix associated to a vector (how?)
  • member 11137
  • · Replies 6 ·
Replies
6
Graduate What is the distribution of energy for beta-minus decay?
  • sniffer
  • · Replies 4 ·
Replies
4
Graduate Quantum Tunneling: Explained, Theories & Answers
  • cyleung_2001
  • · Replies 6 ·
Replies
6
Graduate Experimental Setup Ideas for Simple Cyclotron Particle Accelerators
  • DoubleRaven
  • · Replies 1 ·
Replies
1
Can Quanta Change Color?
  • cubed
  • · Replies 51 ·
2
Replies
51
Graduate Where does the wave function of an atom collapse in the photoelectric effect?
  • Muadib
  • · Replies 2 ·
Replies
2
Graduate Understanding Einstein's photoelectric effect paper
  • learningphysics
  • · Replies 3 ·
Replies
3
Graduate Is a Local Potential Always Diagonal in Quantum Mechanics?
  • jonas_nilsson
  • · Replies 2 ·
Replies
2
Graduate LSZ Representation: A Simple Explanation
  • Itzhak the cat
  • · Replies 5 ·
Replies
5
Undergrad What is meant by molecular temperature ?
  • shrumeo
  • · Replies 18 ·
Replies
18
Graduate Observables in Quanum Mechanics
  • mmgbmm
  • · Replies 10 ·
Replies
10
Graduate What is the EPR paradox and how does it relate to entanglement?
  • Niffgiffler
  • · Replies 2 ·
Replies
2
What is the Hans Bethe website about?
  • Daminc
  • · Replies 5 ·
Replies
5
Graduate What is the physical mass and coupling?
  • lonelyphysicist
  • · Replies 11 ·
Replies
11
Graduate Uncertainty and the Speed of Light
  • εllipse
  • · Replies 5 ·
Replies
5
Graduate Proving Scalar Operator: Laplacian in 4 Dimensions
  • mmgbmm
  • · Replies 4 ·
Replies
4
Graduate Could a quantum computer perform the tasks of a regular computer?
  • box
  • · Replies 2 ·
Replies
2
Graduate Understanding Potential Wells: Finite vs. Unbounded
  • Feynmanfan
  • · Replies 2 ·
Replies
2
Graduate Everett and Born: Impossible Possibilities from Quantum Theory
  • vanesch
  • · Replies 15 ·
Replies
15
Graduate New model permits time travel
  • DMuitW
  • · Replies 2 ·
Replies
2
Graduate Expectation value of following function
  • Kruger
  • · Replies 3 ·
Replies
3
Graduate Learning Quantum Mechanics: Classical vs Operator Based
  • James Jackson
  • · Replies 44 ·
2
Replies
44
Graduate Wave-Particle Duality: Always Both, Never Isolated
  • scilover89
  • · Replies 5 ·
Replies
5
Graduate Wave function of a free particle
  • Feynmanfan
  • · Replies 2 ·
Replies
2
Graduate What Is a Postulate in Quantum Mechanics?
  • Gamble123
  • · Replies 2 ·
Replies
2
Graduate Pure and not pure states, an example
  • jonas_nilsson
  • · Replies 4 ·
Replies
4
Graduate Commutation (Ehrenfest?) relations
  • mikeu
  • · Replies 6 ·
Replies
6
Graduate How to compute the number of loops in a Feynman diagram?
  • lonelyphysicist
  • · Replies 6 ·
Replies
6
Graduate Timeflow, light, spatial speed, quarks & anti-matter questions
  • decs
  • · Replies 4 ·
Replies
4
Graduate Is the Manifold of Eigenfunctions in Quantum Mechanics a Valid Concept?
  • Mike2
  • · Replies 8 ·
Replies
8
Graduate Why are dimension > 4 operators non-renormalizable?
  • fliptomato
  • · Replies 2 ·
Replies
2
Graduate Can the history of a particle be traced in principal?
  • Q_Goest
  • · Replies 5 ·
Replies
5
Graduate Quantum measurement problem paper
  • wolram
  • · Replies 2 ·
Replies
2
Graduate Question that’s killing me this evening…
  • Dr. Nick
  • · Replies 19 ·
Replies
19
Undergrad Effect of EMP on electrons. And other EMP related questions.
  • T10
  • · Replies 10 ·
Replies
10
Graduate New to QM, with questions relating to GR
  • εllipse
  • · Replies 9 ·
Replies
9
Graduate Unraveling the Mystery of Neutron Decay: A Fundamental QFT Explanation
  • lonelyphysicist
  • · Replies 21 ·
Replies
21
Graduate Do you know what this particular unitary operator is?
  • QMrocks
  • · Replies 7 ·
Replies
7
Graduate Why Does the Heisenberg Uncertainty Principle Affect Electron Behavior in Atoms?
  • El Hombre Invisible
  • · Replies 21 ·
Replies
21
Graduate A budweiser beer (the phase operator)
  • arivero
  • · Replies 2 ·
Replies
2
Books to Help a Newbie - Don't Hold Back!
  • emotionalmachine
  • · Replies 9 ·
Replies
9
Graduate Looking for a QFT Exercise Buddy: A Grad Student's Quest for Mastery
  • lonelyphysicist
  • · Replies 2 ·
Replies
2
Graduate Einstein-De Hass Effect: Explained and Explored | Research Project Guide
  • hershal
  • · Replies 4 ·
Replies
4
High School What If Light Could Travel Slower?
  • burt reynolds
  • · Replies 9 ·
Replies
9
Graduate Single Slit Exp: Electron Behavior - Not "Finger of God
  • jamesclerkmaxwell
  • · Replies 2 ·
Replies
2
Graduate Explaining Hawking Radiation in Detail
  • Moore1879
  • · Replies 2 ·
Replies
2
Graduate Reconciling Fermionic and Bosonic Behaviors in the Particle in a Box System
  • Nicky
  • · Replies 11 ·
Replies
11
Graduate How Can a Particle Transition Between Sides in an Infinite Potential Well?
  • churi55
  • · Replies 8 ·
Replies
8
Graduate How Does Energy Relate to Matter, Fields, and Photons?
  • Ratzinger
  • · Replies 13 ·
Replies
13
Graduate Superconductivity and Quantum Field Theory
  • vkc102
  • · Replies 5 ·
Replies
5
Graduate That the two gamma rays are only one possible decay mode?
  • redwraith94
  • · Replies 9 ·
Replies
9
Graduate Understanding Operators & Observables: Averages & Variance
  • Feynmanfan
  • · Replies 2 ·
Replies
2
Graduate Quantization of Energy: Does Mass Follow?
  • SeReNiTy
  • · Replies 25 ·
Replies
25
Graduate What are main laws of quantum physics and some other questions
  • No-where-man
  • · Replies 9 ·
Replies
9
Graduate Symmetry in Physics: Wave Functions & e^i (Δ)
  • bjon-07
  • · Replies 3 ·
Replies
3
Graduate When is a particles charge spread out?
  • box
  • · Replies 9 ·
Replies
9
Graduate Are Photons Responsible for the Forces in Static Electric Fields?
  • BigMacnFries
  • · Replies 2 ·
Replies
2
Graduate What Does Quantizing a Field Really Mean in Quantum Field Theory?
  • baka
  • · Replies 3 ·
Replies
3
High School H. G. Wells' The Invisible Man
  • Mentat
  • · Replies 90 ·
4
Replies
90
Graduate Gaining Insight into Scalar Field Theory Questions
  • Kalimaa23
  • · Replies 3 ·
Replies
3
Graduate Can We Truly Trace the Path of Electrons and Pinpoint Photons?
  • IntuitioN
  • · Replies 11 ·
Replies
11
Graduate Generating Electricity with Casimir Force and Piezo-Electric Material
  • Jonny_trigonometry
  • · Replies 4 ·
Replies
4
Graduate QFT: Justifying Position-Momentum Commutation Relation
  • jack47
  • · Replies 2 ·
Replies
2
Graduate Can Quantum Theology Bridge the Gap Between Physics and Spirituality?
  • johnparsons
  • · Replies 3 ·
Replies
3
Graduate Reversible Computation: Feasible?
  • Q_Goest
  • · Replies 6 ·
Replies
6
Graduate Finite Square Well: Constructing Initial Wave Function with E < 0
  • genxhis
  • · Replies 2 ·
Replies
2
Graduate Mandel & Faster than Light Communication ?
  • ShalomShlomo
  • · Replies 58 ·
2
Replies
58
Undergrad Electron double Slit Experiment
  • BenGoodchild
  • · Replies 2 ·
Replies
2
Graduate QED: virtual photons -spin conservation?
  • Kruger
  • · Replies 21 ·
Replies
21
Graduate Basic question about QM Operators
  • maverick280857
  • · Replies 5 ·
Replies
5
Graduate What is the literature on squeezed electric field modes in accelerated frames?
  • Philcorp
  • · Replies 2 ·
Replies
2
Graduate Uncertainty Principle: Solving a Problem I'm Having
  • Spastik_Relativity
  • · Replies 15 ·
Replies
15
Graduate The Measurement Problem: the return :-)
  • vanesch
  • · Replies 2 ·
Replies
2
Graduate Further reading on angular/spin momentum
  • wintercarver
  • · Replies 2 ·
Replies
2
Graduate Where Can I Continue Learning QFT on My Own?
  • StatusX
  • · Replies 53 ·
2
Replies
53
High School What is the metal(s) used in photoelectric experiments?
  • Oerg
  • · Replies 15 ·
Replies
15
Graduate Charge Conservation: Understanding Klein-Gordon Equation
  • cjellison
  • · Replies 4 ·
Replies
4
Graduate Where can I find sources for LCAO theory?
  • balkan
  • · Replies 3 ·
Replies
3
Graduate Learn QM in Heisenberg Formalism: Texts/Sources
  • James Jackson
  • · Replies 5 ·
Replies
5
Graduate Is Space a Continuous Entity or Made of Particles?
  • BoTemp
  • · Replies 13 ·
Replies
13
Graduate Angular momentum of an electron
  • broegger
  • · Replies 7 ·
Replies
7
Graduate Double Slit Experiment Questions: Answers Needed
  • underworld
  • · Replies 9 ·
Replies
9
Graduate How do even cell contributions determine insulator behavior in band theory?
  • secret2
  • · Replies 2 ·
Replies
2
Graduate Schrodinger equotion & quantum physics
  • dreamfly
  • · Replies 11 ·
Replies
11
Graduate Proof of Superposition Principle
  • Inquiring_Mike
  • · Replies 13 ·
Replies
13
Undergrad Bohr Model: Explaining Why Electrons Don't Enter Nucleus
  • ConceptuallyInept
  • · Replies 4 ·
Replies
4
Graduate How to Calculate Energy Corrections using Perturbation Theory
  • broegger
  • · Replies 16 ·
Replies
16
Graduate Particles or Waves: Why Do Electrons Exhibit Interference?
  • gaugeboson
  • · Replies 4 ·
Replies
4
Graduate What Is the Optimal Pinhole Size for Double-Slit Interference with Daylight?
  • Codeman
  • · Replies 1 ·
Replies
1
Graduate Understanding Quantization of Energy: Can We Produce EM Waves of Any Energy?
  • Cheman
  • · Replies 4 ·
Replies
4
Graduate How does QM solve the bohr atom problem?
  • welkin
  • · Replies 22 ·
Replies
22
Graduate Quantum Measurement: Showing Z No Info on Source States
  • James Jackson
  • · Replies 6 ·
Replies
6
Graduate What are the limitations of Bohr's atomic model in explaining electron travel?
  • gaugeboson
  • · Replies 4 ·
Replies
4
Undergrad How do photons make interference patterns
  • Aardwark
  • · Replies 22 ·
Replies
22
Graduate Horizontal/vertical polarization
  • tonebone10
  • · Replies 2 ·
Replies
2
Graduate Is Matter Really Just a Form of Wave?
  • Ryan Lucas
  • · Replies 3 ·
Replies
3
High School What Is Rutherford's Gold Leaf Experiment?
  • Demiwing
  • · Replies 6 ·
Replies
6
Graduate How Would Our World Change if hbar Were Larger?
  • ayalam
  • · Replies 3 ·
Replies
3