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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Graduate What is a useful way to talk about eigenstates of the position operator
  • dudemanguy333
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Graduate What Does Path Mean in Quantum Mechanics and Quantum Field Theory?
  • Antonio Lao
  • · Replies 1 ·
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Undergrad Can Bell's Theorem Disprove This Density Matrix Representation?
  • jk22
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Graduate Are there two different adjoint representations used in the SM?
  • victorvmotti
  • · Replies 9 ·
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High School A question about the double-slit experiment
  • r731
  • · Replies 7 ·
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Undergrad The velocity of Pilot-wave and the Double slit experiment
  • sha1000
  • · Replies 8 ·
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Graduate Adjoint representation and spinor field valued in the Lie algebra
  • victorvmotti
  • · Replies 1 ·
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High School Destructive interference and conservation of momentum
  • Quantum of Solace
  • · Replies 10 ·
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High School Quantum eraser and time travel
  • black hole 123
  • · Replies 10 ·
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Undergrad Information content of a qubit
  • Sunny Singh
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2
Undergrad How do we know that the raising operator only raises the state by one step?
  • Mayan Fung
  • · Replies 8 ·
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Undergrad Separating particles in a zero point energy field
  • mrmashy
  • · Replies 4 ·
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4
Undergrad Double slit experiment and the Uncertainty Principle
  • Axel Togawa
  • · Replies 8 ·
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8
Undergrad Fermi gas in relativistic limit
  • Mayan Fung
  • · Replies 7 ·
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7
Graduate Geometry of matrix Dirac algebra
  • bayakiv
  • · Replies 15 ·
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Undergrad Zero-point energy of the harmonic oscillator
  • JTFreitas
  • · Replies 9 ·
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9
Undergrad Lyman-##\alpha## Wavelength: Hydrogen's Region in Spectrum
  • tryingtolearn1
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High School Will brain-computer interfaces reveal more about QM?
  • entropy1
  • · Replies 10 ·
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Undergrad Doesn't Schrodinger's Cat start to decay?
  • saddlestone-man
  • · Replies 9 ·
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9
Graduate Propagator from a space-time point to itself
  • victorvmotti
  • · Replies 6 ·
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6
Undergrad Quantum numbers for energy levels
  • TheCelt
  • · Replies 12 ·
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12
High School How Do Active and Passive Transformations Differ in Quantum Mechanics?
  • etotheipi
  • · Replies 1 ·
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Undergrad Entanglement and Regions of Space in Vacuum
  • expos4ever
  • · Replies 1 ·
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Undergrad Verifying Speed of Light Varies by Direction
  • Andy Lee
  • · Replies 6 ·
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6
Undergrad Heisenberg Microscope: Exploring Single Photon Diffraction
  • Axel Togawa
  • · Replies 5 ·
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5
Undergrad Where do wave functions come from?
  • joneall
  • · Replies 2 ·
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2
Graduate Scattering Amplitudes for Phi 4 Theory
  • Diracobama2181
  • · Replies 1 ·
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Undergrad Gauge theory symmetry breaking in L&B
  • joneall
  • · Replies 9 ·
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9
Undergrad Are quantum computers required to be cold to reduce Brownian motion?
  • iVenky
  • · Replies 6 ·
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6
Graduate How can we measure these Hermitian operators?
  • Heidi
  • · Replies 9 ·
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9
Undergrad Eigenfunctions and wave functions
  • semc
  • · Replies 7 ·
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7
High School Is a Quantum Entanglement Camera the Key to Seeing Into the Future of Earth?
  • James71
  • · Replies 3 ·
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3
Undergrad Bose-Einstein numerical integration
  • TeslaPow
  • · Replies 22 ·
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22
High School Cold vs hot on the atomic scale
  • Fishpig
  • · Replies 4 ·
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4
Undergrad Is the Heisenberg-Robertson Uncertainty Relation Always Consistent?
  • DuckAmuck
  • · Replies 2 ·
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2
Undergrad Is Probability in Quantum States Proportional to Energy Levels?
  • bob012345
  • · Replies 32 ·
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High School Dual slit with controlled electron trajectories
  • Buckethead
  • · Replies 26 ·
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26
Undergrad Zeno's paradoxes of motion in physics
  • Johnny5454
  • · Replies 5 ·
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5
Undergrad Information diagram for entangled particles?
  • Heidi
  • · Replies 26 ·
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26
Undergrad Second Matrices from Spherical Harmonics with Eigenvalue l+1
  • paklin2
  • · Replies 8 ·
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8
Undergrad Pros and cons of Heisenberg and Schrodinger (and Feynman) pictures?
  • AndreasC
  • · Replies 11 ·
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11
Undergrad Could an experiment confirm the EPR paradox's implications on uncertainty?
  • Buzz Bloom
  • · Replies 20 ·
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Graduate Using the QM Formalism To Make Predictions
  • Morbert
  • · Replies 8 ·
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8
Undergrad Why QFT still goes well while it lacks the notion of wave function?
  • fxdung
  • · Replies 71 ·
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High School Question about energy needed by electron to change energy levels
  • songoku
  • · Replies 6 ·
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6
High School Can it escape the event horizon if the wavelength is long enough?
  • Puffer Fish
  • · Replies 3 ·
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Graduate Upper bound for wavelength of a photon inside an infinite square well
  • Kostik
  • · Replies 2 ·
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2
High School 1-photon emission possible from electron-positron annihilation?
  • Puffer Fish
  • · Replies 23 ·
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Undergrad Solving 1D Scattering Problem: Reflection & Transmission Coefficients
  • Robin04
  • · Replies 8 ·
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8
Graduate Would it matter which inner product I choose in quantum mechanics?
  • patric44
  • · Replies 4 ·
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Undergrad Is the measurement problem equally as vexing as entanglement?
  • bland
  • · Replies 16 ·
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Undergrad Born rule in classical Ising model: Feynman -> Boltzmann ensemble?
  • Jarek 31
  • · Replies 2 ·
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Undergrad Quantum Mechanics Wave Function in 3D
  • Icycub
  • · Replies 2 ·
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2
Graduate Is this a valid derivation of the Uncertainty Principle?
  • patric44
  • · Replies 3 ·
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Undergrad Solution Expansion of ##A^{\mu}## when ##L \rightarrow \infty##
  • JD_PM
  • · Replies 3 ·
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3
Undergrad Consequences when a measurement is destroyed?
  • Buzz Bloom
  • · Replies 11 ·
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11
Insights Causal Perturbation Theory - Comments
  • A. Neumaier
  • · Replies 108 ·
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Undergrad Can Dynamical Systems Explain Electron Behavior in Hydrogen Atoms?
  • thaiqi
  • · Replies 7 ·
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7
Undergrad Is Stern-Gerlach experiment a proper idealization of measurnment?
  • Jarek 31
  • · Replies 12 ·
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12
High School 2D-cross-double-slit experiments for understanding quantum world
  • davidpeng1749
  • · Replies 1 ·
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1
Undergrad Where does this solid angle come from?
  • Heidi
  • · Replies 1 ·
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1
Graduate Why does equation 35.21 have an extra minus sign?
  • sunshine9
  • · Replies 1 ·
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Undergrad Momentum operator acting to the left
  • DuckAmuck
  • · Replies 6 ·
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6
Graduate What should be the mathematical way out of QFT's decades stagnation?
  • Tendex
  • · Replies 26 ·
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26
Undergrad Why quantum wave function collapse is not consider a signal?
  • danielhaish
  • · Replies 4 ·
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High School What causes loss of quantum coherence?
  • entropy1
  • · Replies 11 ·
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11
Graduate Can Entropy of Two-Level Particles Predict Fringe Visibility?
  • Heidi
  • · Replies 2 ·
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2
Graduate Where did this term in the path integral come from?
  • PORFIRIO I
  • · Replies 1 ·
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High School Actions of subatomic particles while under observation
  • Physics4gangsters
  • · Replies 7 ·
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Undergrad Complex Conjugate of Wave Function
  • Icycub
  • · Replies 14 ·
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Undergrad 2-photon interference question
  • Killtech
  • · Replies 76 ·
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High School Could Quantum Fluctuations exist W/out the presence of Spacetime?
  • Vanilla Gorilla
  • · Replies 6 ·
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Undergrad Q re a photon ionizing a hydrogen atom
  • Buzz Bloom
  • · Replies 1 ·
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Undergrad Quantum Measurements with Gravitational Waves
  • lightarrow
  • · Replies 48 ·
2
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High School Regarding the coherence of a photon pair decaying from Higgs
  • DarkMattrHole
  • · Replies 2 ·
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2
Graduate Spin-orbital combination and the exclusion principle
  • hokhani
  • · Replies 18 ·
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18
Graduate Effective Action for Scalar and Fermion Fields
  • The black vegetable
  • · Replies 4 ·
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4
Undergrad Understanding Matrix Mechanics in Quantum Mechanics
  • Jamister
  • · Replies 8 ·
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8
High School Can a Thought Experiment with Dice Challenge Bell Inequalities?
  • Johan0001
  • · Replies 25 ·
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25
Undergrad Why can't we interprete /x> in relativistic QFT as position eigenfunc?
  • fxdung
  • · Replies 2 ·
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2
High School How long before someone builds a machine to predict the future?
  • Quarinteen
  • · Replies 21 ·
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21
Undergrad Understanding how to reduce density matrices
  • JD_PM
  • · Replies 6 ·
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6
Graduate Why does a photon have a defined frequency but is also somewhat localized?
  • QuasarBoy543298
  • · Replies 4 ·
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4
High School Clarification about Bohr's atomic model
  • JackFyre
  • · Replies 3 ·
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3
Undergrad Is this something like a Wick rotation?
  • Heidi
  • · Replies 23 ·
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23
Undergrad What generates black-body photons?
  • persab
  • · Replies 6 ·
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6
Undergrad Minimize grand potential functional for density matrix
  • dRic2
  • · Replies 1 ·
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1
Undergrad Asking about Nuclear Magnetic Resonance
  • docnet
  • · Replies 7 ·
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7
Undergrad Is there a way to translate a particle's spin into regular motion?
  • Vanilla Gorilla
  • · Replies 38 ·
2
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38
Graduate Softened potential well / potential step
  • hilbert2
  • · Replies 5 ·
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5
High School How does a wave collapse not violate the speed of light?
  • TheCelt
  • · Replies 3 ·
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3
High School Time Crystals & Spin: Engineering a New Reality?
  • Vanilla Gorilla
  • · Replies 1 ·
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1
Graduate Is there a vibration energy term associated with mesons?
  • Pedro de la Torre
  • · Replies 1 ·
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1
Graduate Getting particle/antiparticle solutions from the Dirac Equation
  • peguerosdc
  • · Replies 6 ·
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6
Undergrad Would Black Holes Be Coherent Under Quantum Mechanics?
  • Vanilla Gorilla
  • · Replies 3 ·
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3
Graduate Finding the probability of making a measurement E1
  • Vitani1
  • · Replies 17 ·
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17
Undergrad Properties of a unitary matrix
  • JHansen
  • · Replies 3 ·
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3
Graduate Is the "op" lattice ##\mathscr{L_H}^\perp## also atomistic....?
  • forkosh
  • · Replies 1 ·
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1
Undergrad What is the effect of a magnetic field on an atom's magnetic moment?
  • Malamala
  • · Replies 19 ·
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19
Undergrad The significance of the Dirac notation
  • entropy1
  • · Replies 100 ·
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