Quantum Physics Forum

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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
High School Simple intro about Schrödinger's cat metaphor
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Undergrad How can the total orbital angular momentum be zero?
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Graduate Using feedback in quantum measurements
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Undergrad Understanding the Effects of Entanglement in Radioactive Decay
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Graduate What are the probabilities of multiverses?
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High School Understanding the Ontic Nature of Wave Function in Quantum Mechanics
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Graduate Bohr's solution to the EPR paradox
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Undergrad Kinetic and Potential energy operators commutation
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Undergrad Photosynthesis and quantum randomness
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Undergrad Does measurement change the energy of a system?
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Undergrad Quantum mechanics and gravity of Greenberger
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Undergrad The symmetry argument and expectation value
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High School Photon Position: Is It Less Classical Than Massive Particles?
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Undergrad Delayed choice experiment affecting the past
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Undergrad Is the Dimensionality of Vector Spaces the Same for Different Quantum States?
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High School Understanding Quantum Theory: Wave vs Vector in Hilbert Space
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Undergrad Is Wave-Particle Duality Still Relevant in Modern Physics?
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Undergrad Why is E not equal to p^2/2m for a particle in a box?
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High School What kind of difference would particles have?
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Undergrad Questions on Black Hole Entanglement and ER-Bridges
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Undergrad Understanding QM Proof: Wavefunction in Orthonormal Eigenfunctions
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Undergrad Many measurements are not covered by Born's rule
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High School Wave-particle-duality and the evolution of the universe
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Undergrad How a particle localized in half of a box changes over time
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Undergrad Size of an electron and Planck Volume.
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Undergrad Can superdense coding be achieved without quantum memory?
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High School Double slit experiment question
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Undergrad Stationary states (The Bohr hydrogen atom)
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High School Examples of systems that evolve deterministically
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Graduate What's Your Answer To Dyson's Challenge
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Undergrad If there are gravitons, is space not curved?
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High School What is the comparison between the Born rule and thermodynamics?
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Undergrad How many electron positron pairs are created
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High School How do we know superposition exists?
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Graduate Counterfactual Transmission of Information
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Undergrad Why must the wave function be continuous in an infinite well?
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Insights Damped Motion in Classical and Quantum Mechanics - Comments
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High School How to understand unitarity in QM?
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Undergrad Emitting Photon and Energy Change
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High School Can the law of conservation of energy of be broken?
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Undergrad Spin and magnetic field of a photon
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Undergrad What is the basic concept of the spin of a particle
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Undergrad Is this an accurate article on the shape of a photon?
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High School Absolute zero by definition is "nothing"
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High School Speed of light or speed of causality?
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High School What is the significance of the Planck length in physics?
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Undergrad What are the units for the Heisenberg Uncertainty Principle?
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Undergrad One by one photon delay in double slit experiment
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Undergrad Electron wavefunction as an overlap of orbitals
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Undergrad Why can you write the solution in this form?
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Undergrad Are quantum harmonic oscillators and radiation modes equal?
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Graduate What does a CPT transformation do to particle properties?
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Graduate Bright, dark soliton for cubic-quintic nonlinear Schrodinger
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High School How did we measure the mass of Quarks?
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Undergrad Wave-Particle Duality of Electrons
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High School Why only certain colors in emission spectrum are visible?
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Undergrad Does realism imply locality or vice versa?
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Undergrad What is an Eigenstate in Relation to Schrodinger Equation?
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Undergrad Shor Algorithm - Post measurement state
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High School Double Slit Experiment: Timing & Reflection Interference
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Undergrad Does reality really exist when not measured?
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Undergrad Cosmological constant estimation in QFT
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High School How does string theory fit with QFT?
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Undergrad Why not describing the radiatation of atom spectrum by TDSE
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Graduate Key problems in classical and quantum measurement
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Graduate A question about linear response and conductivity
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Undergrad Could Wormholes and Entanglement Be Connected?
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Graduate Classical intr. ang mom and quantum intr ang mom relation
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Graduate Challenges to QED from hyperfine measurements
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Undergrad Partially entangled(W), Maximally and disentangled states
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Undergrad Effect of Homog./Non-Homog. Magnetic Field in Heisenberg Spin System
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Undergrad Bose-Einstein condensates coherence
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Undergrad What Mathematical Theories Are Essential for Understanding Quantum Physics?
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High School How decoherence destroys superpositions
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Undergrad Does quantum mechanics refute materialism?
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Undergrad Do Bell experiments disprove local realism?
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Undergrad Transition state of electrons in molecules
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Undergrad Factorising expectation values
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Undergrad Smallest possible orbit and velocity of a particle?
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Undergrad Build Your Own Quantum Entanglement Experiment?
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Undergrad Why probability current = 0 at infinity? Why must wavefunction be continuous?
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Undergrad What's the significance of the phase in a coherent state?
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Undergrad Differences in photons from protons vs photons from e-?
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Undergrad Is the Phase Velocity of a Massive Particle Representing Anything Physical?
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Undergrad Is Bell's Theorem Valid Despite Fundamental Theoretical Loopholes?
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Undergrad Is the Fermion number operator squared equal to itself?
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Graduate Haag's Theorem & Wightman Axioms: Solving Problems in QFT?
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High School Quantum tunneling - Questions about some pop-science claims
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High School When do we know where an object is
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High School Bell Non Locality, Quantum Non Locality, Weak Locality, CDP
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High School Question about a beam of light
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High School How can something be "Zero Dimensional?"
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Undergrad Inequality for the time evolution of an overlap
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Undergrad Neutron Stars: Flipping Up Quarks to Down Quarks
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Undergrad Particle antiparticle creation
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Undergrad A particle measured in a too high potential
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Undergrad Quantum "tunneling" of sorts and QFT....
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High School Double Slit Experiment: Detection around slit?
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Undergrad How to compute second-order variation of an action?
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Undergrad Electron jelly model and Hydrogen Atom
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