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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

A question about quantum entanglement
High School Does QM state that Space is made of nothing?
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High School Question regarding Light by Light Scattering
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Undergrad Understanding Quantum Cascade Lasers
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High School Does QM implicitly define an aether?
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Graduate Charge conjugation in Peskin and Schroeder
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Undergrad Constant particle motion due to zero-point energy....
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Undergrad Energy operator and the Hamiltonian operator: Are they same?
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Undergrad QFT in Euclidean or Minkowski Spacetime
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Undergrad Experiment: Spin Rotation Operator
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High School What are the potential uses of time crystals?
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Undergrad Math of Spreading Wavefunction
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High School Photon detection in the EPR experiment
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High School Is a pure state a kind of mixed states?
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High School Quantum communication satellite
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High School Unveiling the Mysteries of the Electron in an Atom: The Quantum Perspective
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Undergrad Compatibility of Quantum Mechanics and Special Relativity
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Undergrad Quantum communication question
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High School Superposition principle: clarifications
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High School Matter/antimatter entanglement
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Undergrad Povm's and Von Neumann Meaurements
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Undergrad Klein-Gordon propagator derivation
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Undergrad What Happens When the Hamiltonian in Dirac's Equation Isn't Linear in Momentum?
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Graduate Can the wave function show turbulence?
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Graduate Several ground state calculations at once
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Undergrad Pauli Spin Operator Eigenvalues For Two Electron System
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Undergrad Mixed states vs pure states - physical POV
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Graduate Understanding the LSZ Reduction Formula in Quantum Field Theory
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Graduate Understanding the Use of Grassman Numbers in Fermionic Fields: A QFT Guide
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Graduate Correlation properties of quasi-thermal light
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Undergrad Understanding Hilbert Subspace for Two-Particle Entangled Systems
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High School Information transfer using entanglement?
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High School Understanding Quantum Entanglement: Debunking Common Misconceptions
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Undergrad Conservation laws during particle decay?
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Undergrad Why is "consciousness causes collapse" unprovable or unfalsiable?
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Graduate Hubbard model diagonalization in 1D K-space for spinless Fermions
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Undergrad Von Neumann measurement scheme
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Undergrad Particles of matter as Bosons?
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High School What is the physical interpretation of n-particle correlation function in QFT?
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Undergrad Relativistic Quantum Mechanics vs Quantum Field Theory
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Undergrad Why the Quantum Theories are flawed
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Graduate Enhancing Spontaneous emission in a vacuum standing wave
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Graduate Analytical evaluation of r^l integral
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Graduate Quantum Optics - transition from pure to mixed state
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Undergrad The box notation and Lagrangians in field theory
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High School Exploring the Mystery of Electron Magnetic Moments in Quantum Mechanics
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High School Is the electron a particle or field?
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Undergrad Atom as a harmonic oscillator of radition
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High School Does this theorem “theoretically” falsify macrorealism?
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Undergrad Quantum entanglement information
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High School Physicists measure complementary properties using quantum cloning
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Undergrad What is the behavior of real magnets when passed through Stern-Gerlach gates?
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Undergrad Can quantum superpositions be observed
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High School Uncertainty of a Gaussian wavepacket
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High School Why does a the Wave Function collapse?
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Undergrad Derivation of the radial equation
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High School How did Caltech's photon teleportation work?
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High School What are quantum states and quantum information?
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Undergrad Complex scalar field commutation relations
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High School "probability of finding the electron" (teaching QM)
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High School Is energy really probabilistic in quantum mechanics?
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Undergrad Understanding the Wave Function of Electrons: From Theory to Experiment
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High School Understanding the probability cloud?
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Undergrad Schrodinger equation and Heisenberg equation of motion
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Undergrad The nature of quantum interference
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Undergrad Proposal for a peculiar double-slit experiment
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Undergrad The propagator and the Lagrangian
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High School Can retrocausality explain the wave properties in the double slit experiment?
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Graduate Anomalous field dimension in the on-shell scheme
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Graduate Majorana Lagrangian and Majorana/Dirac matrices
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High School What Happens to High-Energy Particles in Cosmic Rain?
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High School "travel time" of appearing and disappearing?
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High School Delayed choice quantum eraser experiment interference pattern question
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Undergrad Entanglement & Spooky Action at a Distance Question.
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High School Local Hidden Variable Model That Equals QM Predictions?
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Undergrad What is the Significance of Isospin Components in Particle Physics?
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Undergrad Regarding consciousness causing wavefunction collapse
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High School Does precise momentum guarantee precise energy?
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High School Are Molecules Entangled Across Distances in Biochemistry?
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Undergrad Does the wave function shorten when approaching light speed?
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High School Understanding Atomic Systems: Nucleus and Electrons in a Constant State
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Undergrad Zeeman effect after a Stern-Gerlach experiment
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Graduate Why do we use BRST in Yang Mills and where does it come from?
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High School How do electrons behave when energy is added to an atom's ground state?
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High School Examples of multiple entanglements
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Undergrad Does spatial entanglement reduce total classical entropy?
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Graduate Photon propagator in Coulomb gauge
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Undergrad Spherical Harmonics from operator analysis
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Undergrad Absorption rate on a quantised EM field
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Undergrad Checking My Understanding: Lagrangian & Path Integral Formulation
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Undergrad Is Entropic Uncertainty Principle taken seriously in QM?
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Undergrad Revisiting Heisenberg's Uncertainty Principle: Is There Room for Improvement?
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Graduate Gauge Theory: Principal G Bundles
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Undergrad Why not calculate the "trajectory" of a wave function
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Undergrad Timelike Killing vectors & defining a vacuum state
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Undergrad 'Normalisation' of Fourier Transforms in QFT
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Undergrad SO(2n) representation on n complex fields
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Undergrad How is the CSCO in an harmonic oscillator?
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Undergrad Why isn't the photon energy h nu over two?
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Undergrad Vector Operators in Quantum Mechanics: Adapting to Different Coordinate Systems
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Undergrad Can light be entangled in polarization and still exhibit interference?
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