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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.

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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM

1.3K threadsToday, 6:35 PM

Undergrad Particle vs Wave Interpretations of QM

Today, 6:35 PM

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Graduate How Do Photons Relate to Quantum Mechanics and the Uncertainty Principle?

jack47
Jun 15, 2004 · Replies 16 · Jun 26, 2004

Replies: 16

Quantum computing discussion thread

somy
Jun 22, 2004 · Replies 9 · Jun 26, 2004

Replies: 9

Graduate Path integral of Richard Feynman

Feynman
Jun 24, 2004 · Replies 3 · Jun 25, 2004

Replies: 3

Graduate Can the Hamiltonian operator be represented as a matrix?

member 11137
Jun 16, 2004 · Replies 24 · Jun 24, 2004

Replies: 24

Graduate Quantum Level Question: Absorption Freqs of Electrons

Dlockwood
Jun 22, 2004 · Replies 6 · Jun 24, 2004

Replies: 6

Graduate What interpretations of quantum correlations remain after Bell's inequalities?

skowalcz
May 24, 2004 · Replies 8 · Jun 24, 2004

Replies: 8

Graduate Is Griffiths' Statement About the Addition of Angular Momentum Always Correct?

Norman
Jun 15, 2004 · Replies 5 · Jun 24, 2004

Replies: 5

Graduate Why can't probability waves be real waves like sound waves?

billy_boy_999
Jun 19, 2004 · Replies 14 · Jun 24, 2004

Replies: 14

Graduate Time dependent transformations

tavi_boada
Jun 21, 2004 · Replies 4 · Jun 23, 2004

Replies: 4

Graduate Trivial contradiction to the 3rd postulate

tavi_boada
Jun 22, 2004 · Replies 7 · Jun 23, 2004

Replies: 7

High School Is photosynthesis a form of cold fusion?

Rick Sobie
Jun 5, 2004 · Replies 8 · Jun 22, 2004

Replies: 8

Graduate Is a Wave in Quantum Mechanics Ever in Freefall?

ranyart
Sep 21, 2003 · Replies 4 · Jun 22, 2004

Replies: 4

High School What Medical Radioisotopes Do Cyclo and Synchrotrons Produce?

cyclosynchrotrons
Jun 14, 2004 · Replies 2 · Jun 22, 2004

Replies: 2

Graduate Understanding Perturbation Theory and Symmetry in Quantum Mechanics

eigenpost53
Jun 19, 2004 · Replies 3 · Jun 21, 2004

Replies: 3

Graduate What is loop quantum gravity?

RAD4921
Jun 21, 2004 · Replies 2 · Jun 21, 2004

Replies: 2

Graduate Hidden Variables in Quantum Mechanics

Silverlancer
Jun 14, 2004 · Replies 19 · Jun 19, 2004

Replies: 19

Graduate Can Entangled Particles Enable Instantaneous Communication?

iamgore46
Jun 18, 2004 · Replies 13 · Jun 19, 2004

Replies: 13

Graduate Quantum Determinacy: Is Subatomic Event Cause Unknown or Uncertain?

Darwin
Jun 14, 2004 · Replies 5 · Jun 18, 2004

Replies: 5

Graduate Gravitational displacement measurement

Ghetalion
Jun 17, 2004 · Replies 2 · Jun 17, 2004

Replies: 2

Graduate Quantum Theory & Elasticity: Mechanics Research

Quntapeng
Jun 16, 2004 · Replies 2 · Jun 17, 2004

Replies: 2

Graduate How Does Matter-Energy Duality Explain Electron Behavior?

Dlockwood
Jun 17, 2004 · Replies 1 · Jun 17, 2004

Replies: 1

Graduate Bell's experiment and causality

billy_boy_999
Jun 17, 2004 · Replies 11 · Jun 17, 2004

Replies: 11

Artificial rain cloud machine created by Israel scientists

Solrojo
Jan 15, 2004 · Replies 8 · Jun 17, 2004

Replies: 8

Graduate Where can I find the equations for the strong nuclear force?

Reflector
Jun 7, 2004 · Replies 16 · Jun 17, 2004

Replies: 16

Graduate Feasibility of spin wave technology for sci-fi power and propulsion

don.engel@hines.com
Jun 16, 2004 · Replies 3 · Jun 16, 2004

Replies: 3

Graduate 8000 word dissertation on a physics topic

BLUE_CHIP
Jun 15, 2004 · Replies 4 · Jun 16, 2004

Replies: 4

Graduate Does every possible path = every possible observer?

Mike2
Jun 15, 2004 · Replies 3 · Jun 15, 2004

Replies: 3

Graduate Everyone Has a Perfect Universe?

Tom McCurdy
Jun 13, 2004 · Replies 7 · Jun 15, 2004

Replies: 7

How do you pronounce spinors?

Tom McCurdy
Jun 14, 2004 · Replies 2 · Jun 14, 2004

Replies: 2

Graduate Local operations and classical communication

meteor
Jun 5, 2004 · Replies 2 · Jun 14, 2004

Replies: 2

Graduate How will a stream of photon (being light) looks like?

jby
May 14, 2004 · Replies 8 · Jun 13, 2004

Replies: 8

Graduate One-dimensional Schrodinger Equation

Megus
Jun 12, 2004 · Replies 8 · Jun 13, 2004

Replies: 8

Graduate Superstrings and the Laws of Physics

Bunting
Jun 5, 2004 · Replies 3 · Jun 12, 2004

Replies: 3

Graduate What is the Procrustean method for entanglement distillation?

meteor
Jun 11, 2004 · Replies 3 · Jun 12, 2004

Replies: 3

Graduate How do parallel universes relate to quantum mechanics outcomes?

Alem2000
Jun 5, 2004 · Replies 2 · Jun 12, 2004

Replies: 2

Graduate Is There a Disconnect Between Intuition and Mathematics in Quantum Theory?

billy_boy_999
Jun 10, 2004 · Replies 2 · Jun 11, 2004

Replies: 2

Undergrad The exchange particle for gravity: the graviton?

krnlg
Jun 11, 2004 · Replies 4 · Jun 11, 2004

Replies: 4

Graduate The Halo and the Non Linear Crystal

sol2
Jun 3, 2004 · Replies 2 · Jun 9, 2004

Replies: 2

Graduate What is the significance of the commutator in quantum mechanics?

alexepascual
Jun 7, 2004 · Replies 9 · Jun 9, 2004

Replies: 9

Graduate Raising Operator (Harmonic Oscillator)

heardie
Jun 9, 2004 · Replies 2 · Jun 9, 2004

Replies: 2

Graduate Deriving the time-independent Schrödinger equation

hadi2003
Jun 8, 2004 · Replies 4 · Jun 9, 2004

Replies: 4

Graduate How Does the Vector Potential Transform in the Flux-Tube Model for Anyons?

ReyChiquito
Jun 4, 2004 · Replies 5 · Jun 9, 2004

Replies: 5

Graduate Can Photons interact with Quantum Vacuum Fluctuations?

sdf156
Apr 16, 2004 · Replies 23 · Jun 8, 2004

Replies: 23

Graduate Why don't hydrogen atoms -> neutron + neutrino?

Relain
May 3, 2004 · Replies 16 · Jun 8, 2004

Replies: 16

High School Single Photon Double Slit Experiment

Shommy
May 27, 2004 · Replies 10 · Jun 8, 2004

Replies: 10

Graduate Questions about Quantum Physics: Advice Needed

SeveredNebula223
May 22, 2004 · Replies 8 · Jun 8, 2004

Replies: 8

Undergrad Newbie Questions on Quantum Physics: KingNerd04

KingNerd04
May 26, 2004 · Replies 14 · Jun 8, 2004

Replies: 14

Graduate Application of quantum theories

alchemist
May 29, 2004 · Replies 8 · Jun 8, 2004

Replies: 8

Graduate Meaning of operators for observables.

alexepascual
May 5, 2004 · Replies 36 · Jun 7, 2004

2

Replies: 36

Graduate Is BB84 Quantum Cryptography Secure Against Eavesdropping?

Chen
Jun 2, 2004 · Replies 18 · Jun 7, 2004

Replies: 18

Graduate Understanding EM Photon Deflection: Equation and Terminology

Orion1
Apr 15, 2004 · Replies 16 · Jun 6, 2004

Replies: 16

Graduate What Happens When a Particle Encounters a Step Potential Higher Than Its Energy?

heardie
Jun 4, 2004 · Replies 4 · Jun 6, 2004

Replies: 4

Graduate Why isn't Fourier analysis of wavefunctions circular?

heardie
Jun 4, 2004 · Replies 3 · Jun 5, 2004

Replies: 3

Graduate How long can a Wavefunction exist for?

Olias
Jun 5, 2004 · Replies 2 · Jun 5, 2004

Replies: 2

Graduate Virtual antiparticle pairs at event horizon

physicskid
May 27, 2004 · Replies 17 · Jun 5, 2004

Replies: 17

Graduate The mind's 'projection' & the position observable:

SamLuc
May 5, 2004 · Replies 8 · Jun 5, 2004

Replies: 8

Graduate Quantum Computing and Entanglement

Chen
May 28, 2004 · Replies 2 · Jun 4, 2004

Replies: 2

Graduate Gravitational vs electromagnetic quantum trajectories

Loren Booda
Jun 2, 2004 · Replies 10 · Jun 4, 2004

Replies: 10

Graduate Photoelectric effect with potassium: finding h/e from stopping voltage

RicXeoR
May 31, 2004 · Replies 2 · Jun 3, 2004

Replies: 2

Graduate If light experiences gravitational redshift as said by GR

touqra
Jun 1, 2004 · Replies 4 · Jun 3, 2004

Replies: 4

Graduate Hawking approach to quantizing GR

marcus
May 29, 2004 · Replies 4 · Jun 3, 2004

Replies: 4

Graduate Can Quantum Fields Explain the Nature of Particles?

Mike2
Jun 1, 2004 · Replies 8 · Jun 3, 2004

Replies: 8

Graduate Quantum chromodynamics and gravity

kurious
May 27, 2004 · Replies 1 · Jun 3, 2004

Replies: 1

Graduate Do virtual particles violate Conservation of Energy?

Hyperreality
May 31, 2004 · Replies 7 · Jun 2, 2004

Replies: 7

Graduate Quantum Entanglement: Does Atom A Know?

Imparcticle
Apr 5, 2004 · Replies 22 · Jun 2, 2004

Replies: 22

Graduate Quantum cryptography with polarised photons and fibre optics

Quetzalcoatl
May 31, 2004 · Replies 5 · Jun 1, 2004

Replies: 5

Intergalactic Traveling Methods

maximus
Apr 10, 2004 · Replies 32 · Jun 1, 2004

2

Replies: 32

Graduate Strange photoelec. exp. result

turin
May 31, 2004 · Replies 6 · Jun 1, 2004

Replies: 6

Graduate Is there a limit to how small we can go?

bozo the clown
May 30, 2004 · Replies 3 · May 30, 2004

Replies: 3

Graduate Quantum Mechanics and our Brains

Chen
May 30, 2004 · Replies 4 · May 30, 2004

Replies: 4

Is 'The Final Theory' just a one-man science fiction fantasy?

SeveredNebula223
May 23, 2004 · Replies 14 · May 30, 2004

Replies: 14

Graduate Gravity's Strength in Galaxies: A Quark-Like Explanation?

kurious
May 29, 2004 · Replies 2 · May 30, 2004

Replies: 2

Graduate Dark energy vectors scalars higgs field

kurious
May 23, 2004 · Replies 2 · May 30, 2004

Replies: 2

Graduate Visualizing the Submicrocosm: A New Perspective on Atoms

k_snelson
Feb 20, 2004 · Replies 48 · May 30, 2004

2

Replies: 48

Graduate Trying to learn QED are my assumptions correct?

sharpstones
May 22, 2004 · Replies 2 · May 29, 2004

Replies: 2

Graduate Area spectrum in Simplex Gravity

marcus
May 21, 2004 · Replies 2 · May 28, 2004

Replies: 2

Graduate Simplistic Definitions of Locality and Nonlocality in Quantum Physics

Antonio Lao
May 16, 2004 · Replies 10 · May 28, 2004

Replies: 10

Undergrad How do we measure a photons frequency?

Jaguar
May 8, 2004 · Replies 14 · May 27, 2004

Replies: 14

Undergrad What is psi function? (newbie)

zebbler
May 7, 2004 · Replies 32 · May 27, 2004

2

Replies: 32

Graduate Entangled particles and black holes

kurious
May 20, 2004 · Replies 2 · May 27, 2004

Replies: 2

Graduate Are quarks subparticles?

alanveron
May 26, 2004 · Replies 3 · May 27, 2004

Replies: 3

Graduate Reconciling QM and GR: Formulating QM in Curved Space-Times

Mike2
May 24, 2004 · Replies 3 · May 26, 2004

Replies: 3

Undergrad How do paired photons work in quantum encryption?

Ahmes
May 22, 2004 · Replies 4 · May 24, 2004

Replies: 4

Graduate Question regarding Feymann Diagrams and other QED things

sharpstones
May 17, 2004 · Replies 7 · May 23, 2004

Replies: 7

Graduate Can gravitons affect virtual photons and affect field quantization?

kurious
May 23, 2004 · Replies 3 · May 23, 2004

Replies: 3

Graduate How Does the Uncertainty Principle Affect Vacuum Energy?

fbsthreads
May 18, 2004 · Replies 3 · May 23, 2004

Replies: 3

Graduate Elementary Particle Physics: Forces, Laws, Fields, Quarks

lydcsa
May 22, 2004 · Replies 2 · May 22, 2004

Replies: 2

Undergrad A few questions on Quantum mechanics

TheDude710
May 7, 2004 · Replies 17 · May 21, 2004

Replies: 17

Graduate Quantum Teleportation: What Do Physicists Make of It?

repugno
May 17, 2004 · Replies 12 · May 21, 2004

Replies: 12

Graduate How does Heisenberg's matrix mechanics compare to Schrödinger's equations in practice?

jack47
May 14, 2004 · Replies 2 · May 21, 2004

Replies: 2

Graduate Is time travel a realistic possibility?

Ivan Seeking
Oct 2, 2003 · Replies 6 · May 21, 2004

Replies: 6

Undergrad I need an unambiguous explanation of

tonybass
Dec 17, 2003 · Replies 17 · May 21, 2004

Replies: 17

Graduate Would resetting the universe to this morning make the day repeat exactly?

smurfslappa
May 4, 2004 · Replies 1 · May 21, 2004

Replies: 1

Graduate Why does the fireplace look the same each time I observe it?

Nath
Mar 6, 2004 · Replies 7 · May 21, 2004

Replies: 7

Undergrad Does a Photons Energy (hv) spread out to all locations?

Olias
May 5, 2004 · Replies 21 · May 20, 2004

Replies: 21

Graduate Quantum Mechanics Operator Commutation Relations

rick1138
May 12, 2004 · Replies 9 · May 19, 2004

Replies: 9

Graduate Reflection coefficient for plane wave on finite square well

clumsy9irl
May 17, 2004 · Replies 6 · May 19, 2004

Replies: 6

Graduate Experimental Quantum Transition Physics: A Necessary Heretical Postulate

geistkiesel
May 12, 2004 · Replies 1 · May 19, 2004

Replies: 1

High School Science project about the Quantum Computer

Cr4X
May 18, 2004 · Replies 9 · May 19, 2004

Replies: 9

Graduate State evolution in finite suden-broading quantum well

Guangwei Yuan
May 11, 2004 · Replies 2 · May 19, 2004

Replies: 2

sidebar

Quantum Physics

Quantum physics, or quantum mechanics, is a branch of physics that explores the behavior of matter and energy at the smallest scales, where classical physics principles break down. It introduces the concept of quantization, suggesting that certain properties, such as energy levels, are quantized and can only exist in discrete values.

Quantum mechanics encompasses wave-particle duality, where particles like electrons exhibit both wave and particle characteristics. The theory is probabilistic, relying on probability amplitudes to predict outcomes, and features phenomena like superposition, where particles can exist in multiple states simultaneously.

Quantum physics has transformed our understanding of the microscopic world, leading to technologies like transistors and lasers, and continues to provoke profound questions about the nature of reality and the role of observation in shaping it.

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