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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 Universal quantum physics
Graduate Wedge product in tensor notation
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Graduate There is no scientific content in this webpage title.
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Graduate Photon coherence time as the wavepacket length and dephasing
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Graduate Negative Energy and Mass Symmetry
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Graduate Can someone explain the Heisenberg Uncertainty Principle?
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Undergrad Regarding pair production and annihilation
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Graduate Ladder Operators for Harmonic Oscillator Excited States
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Graduate Feynman-Kac Formula & N-particle Canonical Partition Function
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Graduate Is there a quantum computing model that allows you to add different states?
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Graduate Why we know spin vector is an axial vector?
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Graduate Why Does the Path Integral in Quantum Mechanics Include an Imaginary Unit 'i'?
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Graduate The Unruh effect and vacuum states
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Graduate Factor in equation (3.49) of Peskin and Schroeder
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Graduate Mass defect - where does it go to?
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Graduate Schroedinger boundry equation: Smooth?
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Graduate Time in QFT and in special relativity
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Graduate Is Impulse a Discrete Observable in Physics?
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Graduate Schrodinger's equation and the finite well(conceptual)
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Graduate Understanding Electron Mass in Classical and Quantum Electrodynamics
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High School Do atoms get bigger or further apart as an object's temperature increases?
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Graduate Deriving the Born Rule from the operator-centric formulation
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Graduate Polarisation Rotators and Measurement
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Graduate Detection of a Quantum Measurement
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Graduate Question about Quantum + Thermodynamic Perturbation theory
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Undergrad How accurate is this video? Double Slit experiment
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Graduate Lorentz transformation in Coulomb gauge
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Graduate Why photons are free from decoherence?
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Graduate Problem with density matrix
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Graduate Why is this a definition of the partition function?
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Graduate Exchange Forces and Symmetrization of Fermions/Bosons
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Graduate Fermionic Fock space superselected?
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Undergrad Still a bit confused about electron orbitals?
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Graduate Heiseinbeg's Uncertainty Priciple and Schrodinger's eqt
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Undergrad Calculate De Broglie Wavelength of Electron | Help for Final Exam
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Graduate Mechanism of Bond Energy Absorption
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Graduate Wavefunction from probability, OR current from charge density?
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Graduate Is Thomas Campbell's Interpretation of the Double Slit Experiment Valid?
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Graduate Fine structure constant and perturbation theory
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Graduate Decoherence Time Scale for Different Qubit Realizations
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Undergrad Understanding Energy Bands in Solids: A Quick Question on Band Theory
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Graduate Free Particle in Quantum Mechanics Explained
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Graduate Static electric field in Quantum Field Theory?
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Graduate Need Help Understanding a Quantum Mechanics Equation
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Graduate Discovering Majorana Fermions - A Groundbreaking Physics Find
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Graduate Why is Q=q^{N} only valid for distinguishable particles?
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Graduate Heisenberg Principle: Position & Momentum Uncertainties & Velocity
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Graduate Bound State Problem: How can it be addressed?
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Graduate What does probability amplitude mean
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Graduate Probability of an observable
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Graduate Planck distance and less dimensional gravity
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Graduate Feyeman lectures on anti-particles
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Graduate Energy quantization and energy levels
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Undergrad Most accurate way to visualise an atom.
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Graduate Understanding the Schrodinger Equation and 1/2 Spin in Quantum Mechanics
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Graduate Sum over histories and double slit?
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Graduate Proton, anti Proton annihilation help
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Graduate Vacuum energy and principle of uncertainty
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Graduate Tendency to drop down to a lower energy state.
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Graduate Single particle single slit interference - question about the experiment
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Undergrad Is K*T Equal to hv in Thermal Equilibrium?
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High School Do Atoms Age? The Truth Behind the Lifespan of Atoms
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Undergrad What are the sources of energy in a rigid rotator?
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Graduate Does every quantum field have a non-zero groundstate?
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Graduate Configuration space vs physical space
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Graduate How does the two-slit experiment challenge our understanding of particle motion?
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Graduate Compton Effect: Electron Ejection & Potential Energy
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Graduate Understanding the Concept of Expected Value in Quantum Mechanics
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Graduate Virtual particle production beyond the event horizon.
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Graduate What are the implications of electrons splitting into smaller quasi-particles?
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Graduate 1 Electron, 2 Slits, and the Rest of the Pattern
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Graduate Is quantum mechanics a complete theory of nature?
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Graduate Are atoms truly physical entities or simply arrangements of energy?
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Graduate Quantum Computing: Attosecond Double-Slit Phenomena
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Graduate What Is the Significance of 720 Degree Symmetry in Fermion Rotations?
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Undergrad Webpage title: Understanding the Energy Levels of Electrons in Atoms
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Graduate What are the postulates of QFT?
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Graduate Commutation relations for Spin opertors
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Graduate Cesium Atom quantum mechanical description
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Graduate Can Wave and Particle Be Separated in a Modified Double-Slit Experiment?
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Graduate How Do We Compute the Expectation Value <x̂p̂> in Quantum Mechanics?
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Graduate Reallllly dumb question about Feynman Parameters (and simplifying them)
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Graduate What is the exchange integral?
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Graduate (properties of) what travels through all possible paths?
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Graduate What is the functional integral theorem for polynomial times Gaussian integrals?
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Graduate Is Fock space always separable?
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Graduate Does a charge have spin outside an atom?
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Undergrad Possibly Stupid Question on Atom Smashing
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Graduate Deriving Coulomb's Law with Virtual Photon Exchange Theory: Complete Explanation
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Graduate Equipartition theorem and molecule of CO
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Graduate EL Equations for the modified electromagnetic field Lagrangian
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Graduate Infinite Square Well and Energy Eigenstate question
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Graduate Possible Explanations of Spooky action at a distance
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Graduate Question on uncertainty Principle
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Graduate Imaginary numbers and the real part of the Schrodinger Equation
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Graduate Why can't quantum computers be used to solve SAT?
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Graduate Is Dirac's Sea Still Relevant in Modern Physics?
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Graduate Does the uncertainty relation apply to the past?
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Graduate Understanding - how universe/reality plays dice
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Graduate How does spin work in the position representation?
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Graduate Understanding the BPS Equation from SUSY Transformation Law
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