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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 Sidney Coleman's opinion on interpretation in his Dirac lecture

Monday, 12:21 PM

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High School Tell me what is quantum theory?

Sep 2, 2003 · Replies 6 · Sep 3, 2003

Replies: 6

Views: 3K

High School Explore Compton's Effect: Uncovering the Mystery

Sep 2, 2003 · Replies 1 · Sep 2, 2003

Replies: 1

Views: 5K

Graduate Oops, I accidentally figured out quantum uncertainty.

Aug 24, 2003 · Replies 39 · Aug 29, 2003

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Replies: 39

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Q-Element: Ancient Building Block of Heavens

Aug 26, 2003 · Replies 6 · Aug 26, 2003

Replies: 6

Views: 4K

High School Good books on quantum mechanics?

Aug 16, 2003 · Replies 18 · Aug 25, 2003

Replies: 18

Views: 10K

Graduate What is Bell's Theorem and its implications in quantum physics?

Aug 17, 2003 · Replies 27 · Aug 24, 2003

Replies: 27

Views: 9K

Graduate What are some real experiments on Bose-Einstein Condensates?

Aug 18, 2003 · Replies 1 · Aug 18, 2003

Replies: 1

Views: 3K

Graduate Helium Wave Functions: One or Two for Electrons? Evidence & Implications

Aug 17, 2003 · Replies 1 · Aug 17, 2003

Replies: 1

Views: 8K

Graduate Separating Schrodinger's Equation

Aug 17, 2003 · Replies 2 · Aug 17, 2003

Replies: 2

Views: 3K

Graduate Separating Schrodinger's Equation

Aug 17, 2003 · Replies 1 · Aug 17, 2003

Replies: 1

Views: 3K

Graduate Can the Casimir effect be harnessed for free energy and anti-gravity?

Aug 14, 2003 · Replies 5 · Aug 15, 2003

Replies: 5

Views: 5K

Graduate How does QM represent the Poynting vector?

Aug 12, 2003 · Replies 2 · Aug 12, 2003

Replies: 2

Views: 3K

Graduate Stern Gerlach Experiment: Understanding the Unexpected Results

Aug 11, 2003 · Replies 3 · Aug 12, 2003

Replies: 3

Views: 8K

Graduate Can Quantum Mechanics Explain Freak Ocean Waves?

Aug 7, 2003 · Replies 14 · Aug 12, 2003

Replies: 14

Views: 5K

Graduate Is Quantum Field Theory Logically Consistent?

Aug 10, 2003 · Replies 6 · Aug 11, 2003

Replies: 6

Views: 3K

Graduate Tunneling and transmission coefficient

Aug 10, 2003 · Replies 1 · Aug 10, 2003

Replies: 1

Views: 6K

Graduate Looking for a Beginner-Friendly QM Book?

Jul 28, 2003 · Replies 3 · Jul 29, 2003

Replies: 3

Views: 3K

Graduate Could Virtual Wavefunctions Revolutionize Quantum Mechanics?

Jul 21, 2003 · Replies 16 · Jul 27, 2003

Replies: 16

Views: 4K

Graduate Physics today rely on an observer

Jul 15, 2003 · Replies 17 · Jul 27, 2003

Replies: 17

Views: 4K

Graduate Is Quantum Physics Practical for Engineering Applications?

Jul 16, 2003 · Replies 15 · Jul 21, 2003

Replies: 15

Views: 5K

Graduate Algorithm of the numerical decision of stochastic Shrodinger equation.

Jul 20, 2003 · Replies 1 · Jul 21, 2003

Replies: 1

Views: 3K

Graduate Topological quantum field theories

Jul 15, 2003 · Replies 3 · Jul 16, 2003

Replies: 3

Views: 4K

Graduate Stochastic Shrodinger equations.

Jul 14, 2003 · Replies 4 · Jul 15, 2003

Replies: 4

Views: 3K

Graduate The Effects of Distance and Mass on the Casimir Force

Jul 14, 2003 · Replies 3 · Jul 15, 2003

Replies: 3

Views: 5K

Graduate Superfluid model of quantum gravity?

Jul 12, 2003 · Replies 3 · Jul 13, 2003

Replies: 3

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Graduate Quantum tunneling as transportation

Jul 8, 2003 · Replies 5 · Jul 9, 2003

Replies: 5

Views: 7K

Graduate The Vacuum Energy is fictitious.

Jul 2, 2003 · Replies 37 · Jul 8, 2003

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Replies: 37

Views: 8K

Graduate Quantum phenomena on different scales

Jul 1, 2003 · Replies 1 · Jul 8, 2003

Replies: 1

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Graduate Can Macroscopic Objects Exist in Eigenstates?

Jul 4, 2003 · Replies 10 · Jul 7, 2003

Replies: 10

Views: 4K

Graduate I am here but i am also over there, can this be?

Jul 2, 2003 · Replies 32 · Jul 4, 2003

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Replies: 32

Views: 7K

Graduate Experimental Testing of Uncertainty Principle: Implications

Jul 1, 2003 · Replies 13 · Jul 3, 2003

Replies: 13

Views: 4K

Graduate Understanding Wave Packets and their Role in Particle Physics

Jul 1, 2003 · Replies 6 · Jul 2, 2003

Replies: 6

Views: 4K

Graduate What is the relationship between energy and position in quantum mechanics?

Jun 29, 2003 · Replies 5 · Jun 30, 2003

Replies: 5

Views: 3K

Graduate Canonical Quantum Gravity-some history/bibliograph

Jun 20, 2003 · Replies 2 · Jun 29, 2003

Replies: 2

Views: 4K

Graduate Gravitational Double Slit Experiment: What Does Modern Physics Say?

Jun 23, 2003 · Replies 11 · Jun 28, 2003

Replies: 11

Views: 4K

Graduate Ashtekar quantum cosmology paper new this month

Jun 20, 2003 · Replies 2 · Jun 27, 2003

Replies: 2

Views: 3K

Graduate Quantum geometry includes matter

Jun 24, 2003 · Replies 17 · Jun 27, 2003

Replies: 17

Views: 8K

Graduate Loop Quantum Gravity: Understanding How Gravity Occurs

Jun 24, 2003 · Replies 4 · Jun 25, 2003

Replies: 4

Views: 3K

Graduate Is Uncertainty the Key to Understanding Activity at a Quantum Level?

Jun 11, 2003 · Replies 19 · Jun 23, 2003

Replies: 19

Views: 4K

Graduate Bose Einstein condensate can be made to attract

Jun 21, 2003 · Replies 12 · Jun 22, 2003

Replies: 12

Views: 4K

Graduate For how long does a measurement collapse a wave function?

Jun 12, 2003 · Replies 13 · Jun 17, 2003

Replies: 13

Views: 5K

Graduate The connection in Loop Quantum Gravity

Jun 3, 2003 · Replies 34 · Jun 16, 2003

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Replies: 34

Views: 6K

Graduate Explaining Quantum Theory Math

Jun 8, 2003 · Replies 6 · Jun 12, 2003

Replies: 6

Views: 4K

Graduate Uncovering the Mystery of Bearden's Quantum Physics

Jun 7, 2003 · Replies 5 · Jun 8, 2003

Replies: 5

Views: 3K

Graduate What is the wave function of an atom in my table?

Jun 4, 2003 · Replies 11 · Jun 5, 2003

Replies: 11

Views: 6K

Graduate What are spin networks and how do they give rise to space and matter?

May 31, 2003 · Replies 13 · Jun 3, 2003

Replies: 13

Views: 6K

Graduate Can we teleport a Big Mac using quantum technology?

May 28, 2003 · Replies 10 · Jun 2, 2003

Replies: 10

Views: 4K

Graduate How does the Theory of Elementary Waves (TEW) explain quantum weirdness?

May 20, 2003 · Replies 5 · May 29, 2003

Replies: 5

Views: 4K

Graduate Normal ordering for bosons vs fermions

May 20, 2003 · Replies 3 · May 27, 2003

Replies: 3

Views: 6K

Graduate Loop Dreams Loop Quantum Gravity Dreams that is

May 16, 2003 · Replies 3 · May 17, 2003

Replies: 3

Views: 5K

Undergrad What Are the Mysteries of Quantum Tunneling?

May 8, 2003 · Replies 26 · May 15, 2003

Replies: 26

Views: 10K

Graduate Can Periodic Hamiltonian and Translation Operators Share Eigenstates?

May 10, 2003 · Replies 3 · May 14, 2003

Replies: 3

Views: 3K

Undergrad Quantum Dots & Wells: Overview & Explanation

May 5, 2003 · Replies 2 · May 12, 2003

Replies: 2

Views: 5K

Graduate Can Electron Fluctuations Lead to Quantized Time?

May 6, 2003 · Replies 5 · May 10, 2003

Replies: 5

Views: 4K

Graduate Bell's inequality in Quantum Entanglement

May 8, 2003 · Replies 2 · May 9, 2003

Replies: 2

Views: 4K

Graduate What's the Solution to the Quantum Measurement Problem?

Apr 30, 2003 · Replies 7 · May 6, 2003

Replies: 7

Views: 4K

Graduate E=hw vs [x,p]=ih: Quantum Postulates Compared

Mar 17, 2003 · Replies 15 · Apr 28, 2003

Replies: 15

Views: 13K

Graduate If the vacuum is a sea of energy

Apr 21, 2003 · Replies 19 · Apr 26, 2003

Replies: 19

Views: 4K

Graduate Understanding STM: The Role of Tunneling Current in Atom Manipulation

Apr 25, 2003 · Replies 5 · Apr 25, 2003

Replies: 5

Views: 3K

Graduate Unraveling the Mysteries of Zero-Point Energy and Casimir Appareture

Apr 18, 2003 · Replies 7 · Apr 24, 2003

Replies: 7

Views: 3K

Graduate Quantum Mechanics: Paradoxical?

Apr 17, 2003 · Replies 74 · Apr 24, 2003

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Replies: 74

Views: 10K

Graduate Can Time Be Represented as an Operator in Quantum Mechanics?

Apr 21, 2003 · Replies 1 · Apr 21, 2003

Replies: 1

Views: 3K

Graduate What is the Error Range for Planck's Constant in CODATA's Concise Form?

Apr 19, 2003 · Replies 5 · Apr 20, 2003

Replies: 5

Views: 7K

Graduate What it's like to vanish-QM and the nature of consciousness

Apr 16, 2003 · Replies 1 · Apr 17, 2003

Replies: 1

Views: 3K

Graduate Using the Schrodinger Equation to Find Particle Wave Functions

Mar 20, 2003 · Replies 48 · Apr 13, 2003

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Replies: 48

Views: 14K

Graduate What Is the Width of a Quantum Well for a 450nm Photon Transition?

Apr 9, 2003 · Replies 5 · Apr 10, 2003

Replies: 5

Views: 6K

Graduate What is the Relationship Between Logic and Quantum Mechanics?

Apr 4, 2003 · Replies 10 · Apr 5, 2003

Replies: 10

Views: 7K

Graduate Why is the ground state eigenfunction in a symmetric hamiltonian also symmetric?

Apr 1, 2003 · Replies 1 · Apr 1, 2003

Replies: 1

Views: 10K

Schrodinger's Equation arguments

Mar 23, 2003 · Replies 22 · Mar 25, 2003

Replies: 22

Views: 6K

Undergrad Liquid helium's unusual properties

Mar 17, 2003 · Replies 8 · Mar 21, 2003

Replies: 8

Views: 11K

Graduate Examining Probability and Isolated Systems in Physical Configurations

Mar 18, 2003 · Replies 3 · Mar 19, 2003

Replies: 3

Views: 6K

Graduate Lebesgue Integral in QM: Tutorial & Reference

Mar 18, 2003 · Replies 4 · Mar 19, 2003

Replies: 4

Views: 7K

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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