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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.

Quantum Interpretations and Foundations

Graduate Universal quantum physics

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High School Recommend any books on quantan physics

Mar 23, 2005 · Replies 2 · Mar 24, 2005

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Graduate Can Physical Motion be Transformed into a Probability Distribution?

Mar 21, 2005 · Replies 17 · Mar 23, 2005

Replies: 17

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Graduate Zero Point Energy: Unraveling the Mystery

Mar 16, 2005 · Replies 2 · Mar 23, 2005

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Graduate Advanced Question about EPR / Bell / Apsect

Mar 21, 2005 · Replies 9 · Mar 23, 2005

Replies: 9

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Graduate Understanding the Relationship between the Hamiltonian and Magnetic Field

Mar 20, 2005 · Replies 17 · Mar 22, 2005

Replies: 17

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Graduate How Does the Canadian Light Source Utilize Electromagnetic Radiation?

Mar 15, 2005 · Replies 2 · Mar 22, 2005

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Graduate What Does Quantum Entanglement Reveal About Locality in Bell Experiments?

Mar 21, 2005 · Replies 7 · Mar 22, 2005

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Graduate Quantum mechanics,Taylor series and integrals

Mar 15, 2005 · Replies 2 · Mar 22, 2005

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Graduate How can atomic spectra be only certin frequencies?

Mar 16, 2005 · Replies 10 · Mar 22, 2005

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High School Explain how rainbow are form in term of photon

Mar 19, 2005 · Replies 6 · Mar 22, 2005

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Graduate How do i get the singlet state?

Mar 18, 2005 · Replies 5 · Mar 22, 2005

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Graduate Question on Photons: Explaining Virtual Particle Pairs

Mar 19, 2005 · Replies 9 · Mar 21, 2005

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Graduate SU(N) Vector vs. Spinor Representations

Feb 25, 2005 · Replies 5 · Mar 20, 2005

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Graduate Can QM Resolve Other Puzzling Paradoxes Beyond Electrons and Light?

Mar 7, 2005 · Replies 23 · Mar 20, 2005

Replies: 23

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Graduate What Are Vacuum Fluctuations and Their Role in Particle Creation?

Feb 18, 2005 · Replies 37 · Mar 19, 2005

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Replies: 37

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Graduate How Do Quantum Mechanics Explain Magnetic Fields in Iron Magnets?

Mar 19, 2005 · Replies 2 · Mar 19, 2005

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Undergrad Does light refract like they say it does

Mar 13, 2005 · Replies 16 · Mar 19, 2005

Replies: 16

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Graduate What Determines Transparency at the Quantum Level?

Mar 18, 2005 · Replies 1 · Mar 18, 2005

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Graduate Bell Model & Calcium Configurational Electrons: Explained?

Mar 11, 2005 · Replies 2 · Mar 18, 2005

Replies: 2

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High School What is the Connection Between Excited Atoms and Diffraction?

Mar 1, 2005 · Replies 37 · Mar 17, 2005

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Replies: 37

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Graduate Pseudo Scalar Relativistic QM problem

Mar 10, 2005 · Replies 2 · Mar 17, 2005

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Graduate More thoughts on quantum eraser experiments

Sep 13, 2004 · Replies 3 · Mar 17, 2005

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Graduate Quantummechanics without Hamiltonians

Mar 11, 2005 · Replies 5 · Mar 16, 2005

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Graduate Proof of Heisenberg's Uncertainty Principle

Mar 8, 2005 · Replies 19 · Mar 16, 2005

Replies: 19

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Graduate Negative Energy in Quantum Theory: A Puzzling Problem

Feb 27, 2005 · Replies 35 · Mar 16, 2005

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Graduate Understanding Momentum in Quantum Mechanics: Explained Simply

Mar 11, 2005 · Replies 5 · Mar 16, 2005

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Graduate QFT thought experiment in 1+1 dimensions

Mar 15, 2005 · Replies 1 · Mar 16, 2005

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Graduate Quantum photon in more places ?

Mar 14, 2005 · Replies 11 · Mar 15, 2005

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Graduate Perturbation Theory: Physically Explained & Applied

Mar 8, 2005 · Replies 2 · Mar 15, 2005

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Graduate Tough Perturbation Question (At least for me)

Mar 14, 2005 · Replies 2 · Mar 14, 2005

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Graduate Boundary Conditions for Wave Functions in Infinite Potential Wells

Mar 13, 2005 · Replies 4 · Mar 14, 2005

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Undergrad If antimatter and matter become pure energy when they combine and an

Mar 13, 2005 · Replies 8 · Mar 14, 2005

Replies: 8

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Graduate Can some somebody explain the Defined Chaose for me?

Nov 22, 2004 · Replies 25 · Mar 12, 2005

Replies: 25

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Graduate Two Spin 1/2 Particles: Stot=0 Outcome?

Mar 11, 2005 · Replies 7 · Mar 12, 2005

Replies: 7

Views: 6K

Graduate Solving the Schrodinger Equation for 1D Electron Motion

Mar 10, 2005 · Replies 5 · Mar 11, 2005

Replies: 5

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Graduate Deriving Planck Length: Smallest Possible Length?

Mar 11, 2005 · Replies 1 · Mar 11, 2005

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Graduate We all exhibit wave characteristics

Mar 10, 2005 · Replies 2 · Mar 10, 2005

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Graduate Superposition of Eigenfunctions: Probability and Expectation Values

Mar 9, 2005 · Replies 2 · Mar 9, 2005

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Graduate Photon Interactions: 4 Cases & Conditions

Feb 15, 2005 · Replies 23 · Mar 9, 2005

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Graduate Role of observer and detection in uncertainty principle

Mar 7, 2005 · Replies 9 · Mar 9, 2005

Replies: 9

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Graduate A proposed definition of causality

Jan 19, 2005 · Replies 3 · Mar 9, 2005

Replies: 3

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Graduate Unlock the World of Quantum Mechanics: Top Book Recommendations for Beginners

Feb 25, 2005 · Replies 16 · Mar 9, 2005

Replies: 16

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Graduate What are the Eigenvalues and Eigenfunctions for the Operator \hat{Q}?

Mar 8, 2005 · Replies 12 · Mar 8, 2005

Replies: 12

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Hans Bethe: Nobel Physicist (1906-2005)

Mar 7, 2005 · Replies 7 · Mar 8, 2005

Replies: 7

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Graduate Question on Canonical Quantization

Mar 8, 2005 · Replies 2 · Mar 8, 2005

Replies: 2

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Graduate Is this superposition state an eigenstate of J^2 and L * S?

Mar 7, 2005 · Replies 4 · Mar 7, 2005

Replies: 4

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Undergrad Effect of heat on light radiation

Feb 23, 2005 · Replies 4 · Mar 7, 2005

Replies: 4

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Graduate Question about Schrodinger equation, potential and energy

Feb 28, 2005 · Replies 39 · Mar 7, 2005

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Replies: 39

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Graduate New look for Double-slit experiment

Mar 7, 2005 · Replies 3 · Mar 7, 2005

Replies: 3

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Graduate Calculating Normalization Constant for Wavefunction

Mar 6, 2005 · Replies 5 · Mar 7, 2005

Replies: 5

Views: 14K

Graduate Is Transverse Radiation of Light Still Relevant in Modern Physics?

Mar 4, 2005 · Replies 3 · Mar 6, 2005

Replies: 3

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Graduate Mixing Field and string theory?

Feb 27, 2005 · Replies 3 · Mar 6, 2005

Replies: 3

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Graduate Quantum mechanics of a particle

Mar 4, 2005 · Replies 9 · Mar 5, 2005

Replies: 9

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Graduate Is the Schrodinger Cat Paradox an Indication of a Fundamental Flaw in Science?

Mar 3, 2005 · Replies 18 · Mar 5, 2005

Replies: 18

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Graduate What are the limits on a true two-slit experiment?

Feb 20, 2005 · Replies 25 · Mar 5, 2005

Replies: 25

Views: 7K

Graduate Understanding the Probability Density Function of a Wave Function

Mar 3, 2005 · Replies 18 · Mar 4, 2005

Replies: 18

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Graduate Wormholes-Photons Arriving Before Being Sent

Dec 27, 2004 · Replies 5 · Mar 4, 2005

Replies: 5

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Graduate Schrodinger's Equation - Step Potential

Mar 3, 2005 · Replies 7 · Mar 4, 2005

Replies: 7

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Undergrad Double Sew Interference: Light Source Effect?

Mar 2, 2005 · Replies 3 · Mar 3, 2005

Replies: 3

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Graduate Finite Square Well Analysis: Odd Bound States & Scattering States

Mar 3, 2005 · Replies 5 · Mar 3, 2005

Replies: 5

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Graduate What Happens When an Electron Interacts with a Photon in an Empty Space?

Mar 3, 2005 · Replies 5 · Mar 3, 2005

Replies: 5

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Graduate Asking for answers to exercises of peskin's QFT?

Mar 1, 2005 · Replies 5 · Mar 2, 2005

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Graduate QM: Potential Energy & Box: U(x) & Schrodinger EQ: \psi (x)

Mar 2, 2005 · Replies 11 · Mar 2, 2005

Replies: 11

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Graduate How Are Lasers and X-rays Connected in Quantum Mechanics?

Mar 1, 2005 · Replies 5 · Mar 2, 2005

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Graduate Eigenenergies of finite square well

Mar 1, 2005 · Replies 3 · Mar 1, 2005

Replies: 3

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Graduate Finding Value of Phi*k(x) in Basis Function Method

Feb 28, 2005 · Replies 5 · Mar 1, 2005

Replies: 5

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Graduate Gravitational Potential of a Chargeless Particle Confined in a Box | Einstone

Feb 22, 2005 · Replies 12 · Mar 1, 2005

Replies: 12

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Graduate A delayed choice experiment with a paradox. What did I do wrong?

Feb 19, 2005 · Replies 29 · Mar 1, 2005

Replies: 29

Views: 7K

Graduate Maximum energy transefer in COmpton effect - rutherford

Feb 28, 2005 · Replies 2 · Feb 28, 2005

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Graduate Heisenberg Uncertainty Principle and ions

Feb 21, 2005 · Replies 2 · Feb 28, 2005

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Graduate Uncertainty vs. speed of light

Feb 22, 2005 · Replies 5 · Feb 27, 2005

Replies: 5

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Graduate Normalize the even wave functions for the finite square well

Feb 27, 2005 · Replies 9 · Feb 27, 2005

Replies: 9

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Undergrad Wave & Particle: What's the Difference?

Feb 26, 2005 · Replies 6 · Feb 27, 2005

Replies: 6

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Graduate How can you aim without knowing the precise position and velocity of a particle?

Feb 27, 2005 · Replies 5 · Feb 27, 2005

Replies: 5

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Graduate Can quantum theory be explained?

Dec 6, 2004 · Replies 84 · Feb 27, 2005

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Replies: 84

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Graduate Photon: The Force Carrier That Moves at Light Speed

Feb 26, 2005 · Replies 14 · Feb 27, 2005

Replies: 14

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Graduate Does the photoelectric effect influence the material properties of metals?

Feb 18, 2005 · Replies 4 · Feb 26, 2005

Replies: 4

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Live Feynman QED Lectures by Richard Feynman

Feb 18, 2005 · Replies 2 · Feb 25, 2005

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Graduate Position and momentum (basic stuff)

Feb 24, 2005 · Replies 3 · Feb 25, 2005

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Graduate Can photons be attracted to one another?

Feb 23, 2005 · Replies 20 · Feb 24, 2005

Replies: 20

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High School Deriving E=mc^2: A Basic Explanation

Feb 23, 2005 · Replies 10 · Feb 23, 2005

Replies: 10

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Graduate EPR Debate: Nature Agrees with Einstein

Jan 12, 2005 · Replies 143 · Feb 23, 2005

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Graduate Compton-scattering = Entanglement ?

Feb 12, 2005 · Replies 11 · Feb 23, 2005

Replies: 11

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Graduate Pauli exclusion principle - does it apply to everything

Feb 20, 2005 · Replies 18 · Feb 22, 2005

Replies: 18

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Graduate Understanding the Mass Ratios of Electrons and Neutrons in Atoms

Feb 17, 2005 · Replies 4 · Feb 22, 2005

Replies: 4

Views: 2K

Graduate Double slit intensity - QM description

Feb 3, 2005 · Replies 8 · Feb 22, 2005

Replies: 8

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Undergrad Introduction to the structure of matter

Feb 20, 2005 · Replies 7 · Feb 22, 2005

Replies: 7

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Graduate How Do Photons Relate to Classical Light Wave Theories?

Feb 14, 2005 · Replies 8 · Feb 21, 2005

Replies: 8

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Graduate Understanding the Mathematics of Locality and Nonlocality

Feb 18, 2005 · Replies 7 · Feb 21, 2005

Replies: 7

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Graduate Is the entire system of quantum observers and objects relatively linear?

Feb 19, 2005 · Replies 5 · Feb 20, 2005

Replies: 5

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Graduate Coupled Angular Momentum sates and probability

Feb 19, 2005 · Replies 3 · Feb 19, 2005

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Graduate Can anyone Debunk this for me?

Feb 19, 2005 · Replies 3 · Feb 19, 2005

Replies: 3

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Graduate Are Quarks Really the Building Blocks of Matter?

Feb 18, 2005 · Replies 3 · Feb 18, 2005

Replies: 3

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Graduate Is Quantum Randomness Really Random?

Feb 18, 2005 · Replies 2 · Feb 18, 2005

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Graduate Relative phase in infinite square well

Feb 18, 2005 · Replies 3 · Feb 18, 2005

Replies: 3

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Graduate Oscillating Molecule and Revolving Electron

Feb 17, 2005 · Replies 11 · Feb 18, 2005

Replies: 11

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Graduate Adiabatic Theorem: Finding Coefficient for State Transitions

Feb 11, 2005 · Replies 2 · Feb 18, 2005

Replies: 2

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Undergrad Are there an infinite number of energy levels in an atom?

Feb 9, 2005 · Replies 3 · Feb 17, 2005

Replies: 3

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Graduate The Particle-Wave Duality in Quantum Mechanics

Feb 15, 2005 · Replies 10 · Feb 16, 2005

Replies: 10

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Graduate How can we handle infinities in renormalizable theories?

Feb 9, 2005 · Replies 2 · Feb 16, 2005

Replies: 2

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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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