Quantum Physics Forum

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 Observation and Gravity: The Double Slit Experiment with Electrons Explained

  • spikenigma
  • · Replies 21 ·
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21

Graduate Superposition/electron energy levels

  • granpa
  • · Replies 1 ·
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1

Graduate What Are the NMR Operators I_x, I_y, and I_z?

  • Kreizhn
  • · Replies 10 ·
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10

Graduate Helium Energy Level Diagram Analysis w/ Bohr Theory

  • MonsieurWise
  • · Replies 2 ·
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2

Graduate Solving Perplexing Commutator for Simplification

  • waht
  • · Replies 3 ·
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3

Graduate What Is a Noncommutative Integral and How Does It Impact Quantum Field Theory?

  • zetafunction
  • · Replies 1 ·
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1

Graduate Why Does the HUP Spectrum Favor Particles Over Flows?

  • Dmitry67
  • · Replies 2 ·
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2

Graduate Matter + Antimatter Bound State Mathematics

  • Rade2
  • · Replies 4 ·
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4

Graduate Why Are IR and UV Divergences the Same?

  • zetafunction
  • · Replies 5 ·
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5

Graduate Quantum Entanglement: Beginner's Guide to Distances & Discovery

  • hurricane89
  • · Replies 5 ·
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5

Graduate Inverse spectral problem in QM

  • zetafunction
  • · Replies 5 ·
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5

Graduate Switching to a Matrix Hamiltonian - Conceptual Issues

  • sokrates
  • · Replies 3 ·
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3

Undergrad Fair dice and two slit experiment

  • Pjpic
  • · Replies 3 ·
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3

Undergrad Creating : one frame at a time

  • physics_boi95
  • · Replies 8 ·
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8

High School How Did Galileo's Experiment Measure the Speed of Light?

  • Questioner...
  • · Replies 3 ·
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3

Graduate Tunneling effect by means of the instantons

  • Davide86
  • · Replies 2 ·
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2

Graduate Degenerate basis, incomplete set of operators

  • Pengwuino
  • · Replies 2 ·
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2

Graduate Could Our Universe Be Just a Brane in a Much Larger Reality?

  • florin3k3
  • · Replies 10 ·
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10

Graduate Can fractals help solve the mystery of the universe's unified theory?

  • chawdawg
  • · Replies 7 ·
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7

Graduate Let us assume Feynman was wrong.

  • Spinnor
  • · Replies 102 ·
4
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Graduate Understanding the Bloch Sphere Representation for Quantum States

  • mtak0114
  • · Replies 2 ·
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2

Graduate Planck's constant equaled 1 instead of 6.63x10^-34

  • flip92
  • · Replies 11 ·
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11

Graduate How Real Are Virtual Particles?

  • Super_Jew
  • · Replies 71 ·
3
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71

Graduate Showing that wave functions are continuous

  • AUMathTutor
  • · Replies 12 ·
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12

Graduate What are CP maps in QM good for?

  • mtak0114
  • · Replies 1 ·
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1

Graduate Understanding Spin States: The Role of Parity and Group Representations

  • Marthius
  • · Replies 24 ·
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24

Graduate Pure spin current vs. spin-polarized charge current?

  • sokrates
  • · Replies 1 ·
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1

Graduate Is the Future Always Uncertain According to Quantum Mechanics?

  • Naty1
  • · Replies 4 ·
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4

Graduate A lttile though on multiverses.

  • Gedatsu
  • · Replies 4 ·
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4

Graduate Just a quick question about some basic terms in QM

  • oliver.smith8
  • · Replies 3 ·
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3

High School Question about double slit experiment

  • florin3k3
  • · Replies 13 ·
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13

Graduate Find some clearly written books about quantum physics

  • Cyberbrain
  • · Replies 3 ·
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3

High School What happens when electrons crash into their proton

  • Invinoveritas
  • · Replies 24 ·
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24

Graduate Particles traveling backwards in time

  • electrogluon
  • · Replies 4 ·
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4

Graduate Emission line width and the uncertainty principle

  • EnSlavingBlair
  • · Replies 14 ·
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14

Graduate Finding averages of observables of Bell states

  • poonintoon
  • · Replies 1 ·
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1

Graduate What Does Our Brain's Quantum Potential Mean for Humanity?

  • Albert George
  • · Replies 7 ·
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7

Graduate When is a hamiltonian separable and when isnt it?

  • benbenny
  • · Replies 7 ·
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7

Graduate Can Infinite Universes Allow for Reincarnation?

  • SpaceGuy50
  • · Replies 1 ·
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Graduate Question about Hydrogen Atom Solution

  • elect_eng
  • · Replies 4 ·
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Graduate Do Quantum Orbitals in the Atom Overlap at Different Energy Levels?

  • Quantom
  • · Replies 8 ·
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Graduate Reps of lorentz group and pauli and gamma matrices

  • bartadam
  • · Replies 9 ·
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9

Graduate He+ Energy Level Diagram: Interaction Effects?

  • MonsieurWise
  • · Replies 3 ·
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3

Graduate What Happens to One Electron in an Entangled Pair Affects the Other?

  • Quantom
  • · Replies 1 ·
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Graduate Thought I had on the nature of randomness.

  • ebon
  • · Replies 6 ·
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6

Graduate Is it possible to derive HUP from SE?

  • sokrates
  • · Replies 31 ·
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High School Triplet State Explanation for Helium Electron Transitions

  • MonsieurWise
  • · Replies 6 ·
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6

Graduate Is Consciousness the Key to Understanding the Universe?

  • Paolo 2008
  • · Replies 2 ·
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2

Graduate Is the Conservation of Angular Momentum in Quantum Mechanics Only Probabilistic?

  • fermi
  • · Replies 3 ·
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Graduate Schrodinger Equation and wavefunction collapse

  • feynmann
  • · Replies 10 ·
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Graduate Photons and Double Slit Experiment

  • daisey
  • · Replies 1 ·
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1

Graduate Understanding Elastic Scattering in Electron-Electron Interactions

  • sokrates
  • · Replies 2 ·
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Graduate Does entanglement violate special relativity?

  • Unredeemed
  • · Replies 107 ·
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Graduate Completeness Relation in Quantum Mechanics Explained

  • nolanp2
  • · Replies 4 ·
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4

Graduate A question about solving the energy eigenvalue of a given Hamiltonian operator

  • ee_mike
  • · Replies 4 ·
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4

Graduate Was Bohr's version of quantum mechanics deeply flawed

  • feynmann
  • · Replies 16 ·
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16

Graduate Massive and massless modes of the anchored string.

  • Spinnor
  • · Replies 1 ·
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1

Graduate Finding Maximum Dispersion of Total Number (N)

  • KFC
  • · Replies 1 ·
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1

Graduate Basic Quantum Transport Question

  • carbon9
  • · Replies 1 ·
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Graduate Anomoly in calculations/standard value for electron energy levels

  • EnSlavingBlair
  • · Replies 5 ·
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5

Graduate Question about lorentz-covariance of Dirac equation

  • aiqun
  • · Replies 2 ·
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2

Graduate How fundamental is inverse square law?

  • guhan
  • · Replies 5 ·
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5

Graduate Physicist's Double Slit Experiment: How is it Possible?

  • Forestman
  • · Replies 2 ·
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2

Graduate The Clebsch-Gordan Theorem: Proving the Symmetric Spinor Tensors as IRR of SU(2)

  • sshaep
  • · Replies 2 ·
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2

Graduate Understanding Einstein's Paradox: The Answer Revealed

  • kashiark
  • · Replies 23 ·
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23

Undergrad How to picture atomic/electron orbitals

  • dolimitless
  • · Replies 20 ·
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20

Graduate Four or Five fundamental forces

  • DaTario
  • · Replies 39 ·
2
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39

Graduate [Q]Queation about Photon and Electric discharge.

  • good_phy
  • · Replies 1 ·
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1

Graduate Can Photon Wave Properties Be Misunderstood in the Double-Slit Experiment?

  • ballzac
  • · Replies 25 ·
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Graduate Quantum Experiment: Results & Observer Impact?

  • Albert George
  • · Replies 2 ·
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2

Undergrad Hardy's Paradox: Explained in Plain Terms

  • gonzo
  • · Replies 7 ·
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7

Graduate Second-Order Field Strength Energy Spectrum of Spherical Shell

  • eman2009
  • · Replies 1 ·
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1

Graduate Discrete Analog of Schrodinger Equation?

  • Heston
  • · Replies 1 ·
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1

Graduate Connection between the SU(2) group for the spin 1/2

  • captain
  • · Replies 1 ·
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1

Graduate Question about number operator and density operator

  • KFC
  • · Replies 7 ·
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7

Graduate Youngs slits in the particle frame

  • Brane Dead
  • · Replies 2 ·
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2

Graduate Are Photons and Electrons Indistinguishable Based on Their Wavefunction Alone?

  • chrisphd
  • · Replies 6 ·
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6

Graduate The Line That Seperates QM and Relativity?

  • 3CKPilot
  • · Replies 23 ·
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23

Graduate Double slit and quater wave plates

  • PenKnight
  • · Replies 1 ·
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1

Graduate What do these states mean physically?

  • KFC
  • · Replies 1 ·
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1

Graduate When can the time-independent Schrodinger be used?

  • sokrates
  • · Replies 2 ·
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2

Graduate Time-varying expectation values

  • Niles
  • · Replies 4 ·
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4

Graduate Thought Experiment Involving Quantum Entanglement

  • Dahaka14
  • · Replies 9 ·
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9

Graduate Klein gordan equation in electromagnetic potential

  • sp105
  • · Replies 15 ·
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15

Graduate Feshbach Resonance: Links, Articles, Books for Applications

  • quZz
  • · Replies 2 ·
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2

Graduate Forces unified at the time of the big bang

  • nuby
  • · Replies 6 ·
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6

Graduate Entanglement: I am confused as to what actually happens in this process

  • Vraid
  • · Replies 6 ·
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6

Graduate Partial quantum / partial classical?

  • exmachina
  • · Replies 8 ·
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8

Graduate The effect of wavefunction collapse on spacetime?

  • asimov42
  • · Replies 23 ·
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23

Graduate Effect of changes in Stern-Gerlach fields

  • bunburryist
  • · Replies 2 ·
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2

Graduate Wave Interference and the Double-Slit Experiment

  • mysearch
  • · Replies 6 ·
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6

Graduate Schrodinger Equation for a central 2D potential

  • EliotHijano
  • · Replies 2 ·
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2

Graduate Why is this content nonsensical?

  • redhedkangaro
  • · Replies 5 ·
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5

Undergrad What Is YUKAWA Potential? Explained for Everyone

  • GAGS
  • · Replies 2 ·
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2

Graduate Derivative Terms of Effective Action

  • TriTertButoxy
  • · Replies 1 ·
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1

Graduate Created from quantum mechanics

  • redhedkangaro
  • · Replies 3 ·
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3

Graduate Why Is Quantum Contact Conductance Maximized at 2*q^2/h Even Without Scattering?

  • chenhon5
  • · Replies 5 ·
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5

Graduate What is the Significance of the Planck Length-to-Mass Ratio in Quantum Physics?

  • delplace
  • · Replies 6 ·
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6

Graduate Spinors and spatial coordinates

  • nobody101
  • · Replies 6 ·
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6

Graduate Quantum Field Theory Observables: Distinguishing Two Types in Free Fields

  • Peter Morgan
  • · Replies 12 ·
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12