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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

I Question about discussions around quantum interpretations
I A short attenuated laser pulse, LIGO, and a fast detector
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I Using a single particle as quantum computer
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B Bell's Inequalities and the issue of non-locality
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I Mean values of observables
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A Bell's inequality and experiment
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I States and observables in quantum mechanics
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I Passing information faster than speed of light
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I Energy and momentum in quantum mechanics
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B Double-slit with movable detector screen
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I QED replacing photon field with current in 3-point function
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I Expansion of position kets in terms of angular momentum
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B About the nature of the Newtonian gravitational formula
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A Numerical implementation of creation and annhilation operators in the SSH model
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I Particle field strength and sensitivity
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A 2nd Quantization states
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I Heisenberg uncertainty principle and the canonical momentum operator
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B Heisenberg Uncertainty Principle question
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A Coleman: "Spin is a concept that applies only to particles with mass"
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I More double slit experiment questions
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I Matrix element involving raising/lowering operators
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B Has a Double Slit Experiment Been Conducted in a Vacuum Tube?
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I Confused about a matrix element
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I Position operator explicit form
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I Commutation of position operators in three dimensions
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I Qubit two-state quantum system
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I Another Interferometry question please
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I Can Topological Protection Extend the Lifetime of a Qubit?
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I Relation between operators and their variables' signs
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B Can a filter based on the photoelectric effect reduce the noise floor?
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I Incomprehension of a simple interferometer?
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I Double-dark Slit Interference Pattern?
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I What kind of integration is Berezin integration?
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B The Story of Least Action and the Double Slit
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I Please help me understand the double slit experiment and conclusion
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I Understanding the proof of Goldstone theorem
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I Quick question regarding creation/annihilation operators
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B Are the electron and neutrino that are emitted in a beta decay entangled?
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I Homemade double slit experiment
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I Have You Heard of the SEW Experiment? Thoughts?
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A Does x affect the value of [a^2,(a^†)^2×e^2ikx]
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I Clarifying the Superposition Principle
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I The physical components in the electron double slit experiment
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B How does light have energy to follow infinite paths?
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B The arrow of time (again)
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B Yet another double slit thought experiment...
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B Probability function for the position of a static electron under no potential
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B Photoelectric phenomenum can only be proved as a particle effect?
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I Femto-photography Michelson Morley Interferometer thought experiment
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B Would Laplace's Demon work?
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I Quantum fields and "mediator" particles
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B Why is gravity a weak force at the atomic scale?
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B Electron absorbs photon, but what happens to the photon?
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I Entropic Tension Cosmology (ETC) 1.0
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I Quantum Gravity
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B Quantum Field Theory As Simple As Possible
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I Far off resonant Rabi oscillations in a 2 level system
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I Different expressions about time reversal and confusion
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I Is the result of an operator acting on a ket vector always a ket？
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I Double Slit Experiment: Measurement versus Observation
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I Deriving the time-dependent wave equation from Energy eigenfunctions
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I How Much Pressure To Cause Matter To Degenerate?
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I Particle in Infinite Square Well
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I Particle in a potential well
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I Feynman's summing arrows for photon amplitudes applied to LIGO?
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I Laws of thermodynamics and their application to quantum physics
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I Explanation of the Bohr postulates' existence
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I Can two photons combine to give a local field with spin 2?
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I Physical Meaning of Atomic Oscillations
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A Pauli spin matrices
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I The Pauli-Lubanski vector and angular momentum
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I Chunks of action smaller than Planck's constant
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I What effect do gravitons have on electrons?
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A Collapse of the electron wave function due to inelastic interactions
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I Question regarding quantum mechanics from relativity perspective
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I Normalisation Constant In Wavefunction
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A Has Hilbert transform ever been used in Quantum Theory?
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I What do the wave functions of real particles look like?
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I Uniqueness of quantum numbers
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I Time dependent Schrödinger equation - Separable Solutions
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I Is Newton the founder of quantum gravitation?
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I Lower energy levels with Dirac/Pauli theory than Schroedinger theory?
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I Amount of electrons in nuclei
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I System of bosons
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I Exchange symmetry of two particles on a sphere
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I The probability density of a wave function due to length contraction
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I 3 photon transfer probability
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I Motivating the form of a bra vector
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I How is superposition demonstrated?
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I Physics Today article collection
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B Quantum wavelength of gravity
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A Questions about changing frame in QM and rotating wave approximation
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I Quantum field in curved space-time
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B Interference pattern inferencing
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I Macroscopic object wave function
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I Heisenberg Uncertainty Principle and macroscopic objects
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I How does the electron keep its properties?
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I Understanding Randomness in Brownian Matter
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A CHSH Bell inequality derivation
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A Born's probability in decoherence
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B Sketching Psi as a function of x
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