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Quantum Interpretations and Foundations

How valid is the indivisible interpretation of quantum mechanics?
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Graduate How valid is the indivisible interpretation of quantum mechanics?
Undergrad What Is the Diameter of a Photon?
  • LightningInAJar
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25
Graduate Feynman propagator for a simple harmonic oscillator
  • Glenn Rowe
  • · Replies 9 ·
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9
Undergrad CQED understanding superconducting qbits circuits
  • maajdl
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2
Undergrad Question about the Which Way experiment & the detectors used
  • L1ght
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6
High School Are there any empirical tests for the GRW extension of quantum mechanics?
  • Question69
  • · Replies 45 ·
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Undergrad Entropic effects of the Uncertainty Principle?
  • oknow
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Undergrad Young's Double Slit Experiment: Is it Possible?
  • Heidi
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Graduate What Are the Dimensions of Hilbert Space Elements in Quantum Mechanics?
  • Ravi Mohan
  • · Replies 14 ·
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14
Undergrad What is the spin-boson model for decoherence in a Penning trap?
  • Malamala
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2
Undergrad Quantization of the electromagnetic field
  • Konte
  • · Replies 5 ·
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5
Graduate Perturbative Renormalization in Phi 4 Theory
  • Diracobama2181
  • · Replies 1 ·
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Undergrad Angular momentum of an atom within a rigid body in motion
  • james fairclear
  • · Replies 61 ·
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High School Peculiar View of Density Matrices: Is There a Problem?
  • Heidi
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3
Graduate Loop Quantum gravity or String theory?
  • areehantgupta
  • · Replies 10 ·
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10
Undergrad Frontiers in Physics had 2 papers quest. Bell's theorem, any othrs?
  • ndvcxk123
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2
Undergrad Does entanglement interfere with causality?
  • student34
  • · Replies 35 ·
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Undergrad Physical interpretation of this coherent state
  • ergospherical
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3
Undergrad How should I think about decoherence?
  • Malamala
  • · Replies 17 ·
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17
Undergrad Continuous Spectrum and Energy levels of Electrons (Energy Bands)
  • ktmsud
  • · Replies 7 ·
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7
High School Tardigrade is first multicellular organism to be quantum entangled
  • CoolMint
  • · Replies 42 ·
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Graduate Renormalization with hard cutoff of a loop diagram with single vertex
  • theittsco
  • · Replies 1 ·
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1
High School Quantum Decoherence: What Happens to Other Outcomes?
  • Question69
  • · Replies 7 ·
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7
Undergrad Parity Selection Rules: I'm Confused
  • ergospherical
  • · Replies 5 ·
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5
Graduate Why is gauge invariance important in quantum mechanics?
  • Heidi
  • · Replies 10 ·
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10
Graduate Degenerate Perturbation Theory: Correction to the eigenstates
  • Kaguro
  • · Replies 2 ·
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2
Graduate In QFT, what is the momentum of a created particle?
  • Christian Thom
  • · Replies 12 ·
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12
Undergrad Are all (pure) states physically realizable?
  • einheit
  • · Replies 11 ·
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11
Undergrad Blue lights (LEDs) consume more power than red (and green)?
  • Metals
  • · Replies 25 ·
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25
Undergrad When does an even potential give both even and odd solutions to Schrodinger's Eqn?
  • jstrunk
  • · Replies 3 ·
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3
Undergrad A thought experiment concerning determinism in quantum mechanics
  • Spathi
  • · Replies 2 ·
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2
Undergrad Interference of signal photons entangled with idlers
  • Sonderval
  • · Replies 2 ·
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2
Undergrad Virtual Photons: The Long-Distance Repulsion of Electrons
  • Green dwarf
  • · Replies 2 ·
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2
Undergrad How are good quantum numbers related to perturbation theory?
  • mathingenue
  • · Replies 18 ·
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18
Undergrad A popular explanation of Bell's inequalities
  • Spathi
  • · Replies 16 ·
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16
Undergrad Does putting a hydrogen atom in a box mix angular momentum states?
  • Twigg
  • · Replies 2 ·
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2
High School Is the weak nuclear force attractive or repulsive or both?
  • abdossamad2003
  • · Replies 18 ·
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18
Undergrad What Insights Can the Feynman Diagram of γ+γ→γ+γ Provide?
  • ghbeefcake
  • · Replies 2 ·
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2
Undergrad Understanding the Raising and Lowering Operator: A Scientific Analysis
  • VVS2000
  • · Replies 3 ·
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3
Graduate Klein paradox in the massless case
  • Paul159
  • · Replies 1 ·
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1
Undergrad How does QM explain that we see electrons circulating in a magnetic field?
  • Heidi
  • · Replies 33 ·
2
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33
Undergrad Non-relativistic limit of Klein Gordon field
  • dRic2
  • · Replies 2 ·
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2
Graduate Spontaneous and stimulated emission in Planck's radiation law
  • dbabic
  • · Replies 5 ·
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5
High School Is matter a particular form of energy?
  • CoolMint
  • · Replies 7 ·
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7
Undergrad Entanglement, Mixed or Pure State?
  • stephen8686
  • · Replies 3 ·
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3
Undergrad Reversing a series of polarizers
  • kurt101
  • · Replies 17 ·
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17
Undergrad Cyclic rotation of the cross product involving derivation
  • Garlic
  • · Replies 12 ·
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12
High School What is actually spinning in quantum spin?
  • Stevexyz
  • · Replies 22 ·
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22
Undergrad A Question on Spinors in a High school textbook
  • Falgun
  • · Replies 3 ·
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3
Undergrad Gravity & Time Dilation: Quantum Level Questions
  • curiouschuck
  • · Replies 10 ·
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10
High School Is the highest frequency possible the inverse of Planck time?
  • brajesh
  • · Replies 2 ·
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2
Graduate Mixed versus Pure Quantum States for the Singlet
  • knowwhatyoudontknow
  • · Replies 16 ·
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16
Graduate Complete characterization of local monomials
  • Gaussian97
  • · Replies 0 ·
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0
Undergrad Macroscopic quantum entanglement?
  • Sciencelad2798
  • · Replies 12 ·
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12
Graduate Active and Passive Transformations Confusion
  • ThereIam
  • · Replies 8 ·
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8
High School Two questions about Black body radiation
  • vijayantv
  • · Replies 12 ·
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12
Undergrad Physical proof of a simulation?
  • Sciencelad2798
  • · Replies 5 ·
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5
Undergrad Quantum Spin - If It’s Not Spinning, What Is It Doing?
  • BadgerBadger92
  • · Replies 12 ·
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12
Undergrad Notation of the approximation in quantum phase estimation algorithm
  • Peter_Newman
  • · Replies 1 ·
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1
High School Q - Double slit experiment, delayed slit selection observation
  • Matt711
  • · Replies 5 ·
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5
Graduate Orthogonality of variations in Faddev-Popov method for path integral
  • Wizard
  • · Replies 1 ·
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1
Graduate Weyl Fermion in an infinite well
  • Paul159
  • · Replies 1 ·
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1
Undergrad Significance of double slit experiment?
  • LightningInAJar
  • · Replies 5 ·
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5
Graduate Does quantizing metric fields mean quantum gravity?
  • Haorong Wu
  • · Replies 7 ·
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7
Undergrad Derivation of Schrodinger equation (chicken and egg problem?)
  • Hamiltonian
  • · Replies 17 ·
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17
Undergrad How indistinguishable are photons?
  • Killtech
  • · Replies 32 ·
2
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32
Undergrad Can a static EM field consist of photons?
  • fxdung
  • · Replies 14 ·
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14
Undergrad Interferences (with diagonal density matrix)
  • Heidi
  • · Replies 11 ·
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11
Undergrad How to Find the Berry Phase in Slowly Varying Systems
  • ergospherical
  • · Replies 2 ·
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2
Undergrad Why we know average speed of single photon equal speed of EM wave?
  • fxdung
  • · Replies 4 ·
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4
High School Polarization of a single photon
  • Sophrosyne
  • · Replies 10 ·
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10
Graduate What is the achievable accuracy of neutrino speed measurement?
  • hyau
  • · Replies 2 ·
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2
Undergrad Participatory Anthropic Principle
  • Jim Kata
  • · Replies 1 ·
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1
High School Can particles appear from "actual" nothing including no space?
  • gary0033
  • · Replies 28 ·
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28
Undergrad Is there a multicolor single photon?
  • fxdung
  • · Replies 6 ·
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6
Undergrad Are All Electrons Truly Identical?
  • Sciencelad2798
  • · Replies 26 ·
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26
Undergrad How does phase-sensitive detection eliminate noise?
  • ergospherical
  • · Replies 7 ·
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7
High School Does Quantum Entanglement Suggest a Fake Universe?
  • Sciencelad2798
  • · Replies 19 ·
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19
Undergrad Quantum phase estimation - Question regarding rewriting the state
  • Peter_Newman
  • · Replies 5 ·
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5
Graduate Solving Schrödinger's Equation with a Smooth Potential Wall: A Detailed Guide
  • paul159753
  • · Replies 2 ·
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2
Graduate Pauli Villars for Quadratic Divergences
  • Diracobama2181
  • · Replies 2 ·
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2
High School Quantum entanglement and communications
  • ElliotSmith
  • · Replies 2 ·
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2
Undergrad Understanding spinor transformation law
  • pellis
  • · Replies 4 ·
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4
Undergrad Is this correct? Casimir Effect
  • raracon
  • · Replies 1 ·
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1
Undergrad Stern-Gerlach experiment superposition vs mixed state
  • MichPod
  • · Replies 2 ·
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2
Graduate HHL quantum algorithm and the phase estimation
  • marka909
  • · Replies 1 ·
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1
Graduate What are the quantum numbers used to label helium atom eigenfunctions?
  • HomogenousCow
  • · Replies 4 ·
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4
Graduate Right Hand Rule in NMR and EPR?
  • Narayanan KR
  • · Replies 8 ·
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8
Undergrad Online Experiment: Compton Scattering
  • neilparker62
  • · Replies 2 ·
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2
Undergrad Why are terms like "deterministic" rarely used in Bell context
  • greypilgrim
  • · Replies 12 ·
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12
Undergrad Plasmonic - Dielectric function
  • LUFER
  • · Replies 4 ·
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4
Undergrad When does quantum entanglement occur?
  • Spathi
  • · Replies 5 ·
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5
Undergrad Measurement of a qubit in the computational basis - Phase estimation
  • Peter_Newman
  • · Replies 3 ·
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3
Undergrad Writing the wave function solutions for a particle in a 2-D box
  • Hamiltonian
  • · Replies 1 ·
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1
Undergrad Is Information Really Preserved in Quantum Systems?
  • LightningInAJar
  • · Replies 8 ·
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8
Graduate Quantum Field theory vs. many-body Quantum Mechanics
  • Joker93
  • · Replies 36 ·
2
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36
High School Is it really possible to slap my hand through a table?
  • Sciencelad2798
  • · Replies 30 ·
2
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30
High School Boundary between a particle in two energy states
  • Rikrik
  • · Replies 1 ·
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1
High School Unraveling the Mystery: Interactions and Properties of Quantum Objects
  • Joseph Flatt
  • · Replies 4 ·
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4
Undergrad Can We Always Determine Eigenfunctions for an Asymmetric Top?
  • kelly0303
  • · Replies 3 ·
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3
Graduate The experiment for testing the CHSH inequalities
  • Spathi
  • · Replies 11 ·
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11