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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

Undergrad On computing quantum waves exactly from classical action
Graduate Inspection of the Density Matrix
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Graduate Einstein podolsky rosen bridge
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Graduate Shankar CH1 Derivative of Dirac delta
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Graduate Could There Be Distances Beyond Planck Length in Discrete Space?
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Graduate Light wave/particle duality resolution
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Undergrad Why Do Protons Not Absorb Light Rays?
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Graduate Stern–Gerlach experiment with photons?
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Graduate Understanding the Spin of Electron and Its Quantum Numbers
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High School What is the nature of light and how does it affect our world?
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Graduate Why is Hawking Radiation Necessary for Black Hole Evaporation?
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Graduate How Many Physical Degrees of Freedom Exist in Gauge Theories?
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Graduate What is the meaning of square root cut in Zee's Quantum field theory?
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High School Does the energy of a photon determine its size in relation to an electron?
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Undergrad Light Momentum & Photography: Facts & Effects
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Graduate Gravitation of heavy particles
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Graduate Quantum Field Theory: An Introduction to Physics Beyond the Standard Model
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Graduate Quantum Harmonic Oscillator Operator Commution
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Graduate Gravitons & Inertia: Do They Cause Each Other?
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Graduate Exploring Fourier's Transformation & Thermical Radiation in Quantum Mechanics
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Graduate Seperation of variables in the Schrodinger equation
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Graduate Macroscopic Tunneling: Probability of Occurrence
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Graduate Beta functions and the energy-momentum tensor
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Graduate Calculating Energy Levels in a Finite Square-Well Potential
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Graduate Quantum Mechanics versus Determinism
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Graduate How Do You Calculate Energy Levels in a 3-D Infinite Potential Well?
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Graduate Could there be a way to more easily release energy from atoms?
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Graduate Double Slit Experiment Questions: Detectors
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Graduate Quantum harmonic oscillator 1d
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Graduate Is Probability Current Flow Visualizable?
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Graduate Why is there no time dependent a_1^{\dagger}(t) in the Srednicki equation 5.10?
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Graduate Solving Quantum Control Theory Problem with Toffoli Gate Evolution
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Graduate FUNDAMENTALLY RANDOM occurrences in physics.
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Graduate Understanding Decoherence and Pure to Mixed Transitions
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Graduate QM uncertainties / probabilities and light
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Graduate How is the Coulomb force transmitted?
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Graduate What Determines If One Variable Can Be Fourier-Transformed Into Another?
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Graduate Weinberg: The Quantum Theory of Fields I, Eq. 2.5.14
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Graduate What Are the Key Differences Between Schmidt Decomposition and SVD?
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Graduate When is it appropriate to use a time dependent Schrodinger's wave equation?
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Graduate If Aop commutes with H, A is a constant of motion - prove
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Undergrad Can We Transform Radiowaves to Light?
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Graduate Can Constant Observable Expectations Be Accurately Measured in a Lab Setting?
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Graduate Why do we assume that zero point energy is infinite?
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Graduate What is Spin? Understanding Electron Spin & Its Importance
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Graduate Hypothesizing on photon mode of travel in double slit or similar experimental setups
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Graduate Does QM break down at large scales?
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Graduate Quantum Entanglement: EPR Paradox & Bell Violation
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Undergrad Number of protons and neutrons per shell?
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Graduate Change (control)the spin up or down of 1 entangled particle
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Graduate What is the current understanding of the photon and its interaction with matter?
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Graduate Quantum Computation & Quantum Information
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Undergrad Linear Algebra Reference for Quantum Mechanics Topics
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Graduate Evolution of uniformly accelerated system
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Graduate Exchange Operators & Spin Statistics - I don't the conclusions
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Graduate Is it possible to violate conservation of energy in quantum?
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Graduate Why S, T and U Must Be Positive in Mandelstam Variables
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Graduate Gauge Fixing Term: Physical Effects & Role in Spin Components
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Graduate Polarization of individual photons.
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Graduate Conservation of Energy and Mass in QM
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Graduate Confused about Shared Eigenstates
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Undergrad What would repel, hydrogen / a proton?
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Undergrad P orbitals and single electron atoms
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Graduate Double slit electron experiment inquiry
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Graduate Inner product of Hilbert space functions
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Graduate Is Plancks function a distribution one?
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Undergrad Name of Circular Standing Wave in Geometry
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Undergrad Most basic double slit experiment question
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Graduate Solve Bound State Problems in QFT | Identify Space of States
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Graduate Invariance of Pauli-matrices under rotation
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Graduate Coordinate transformation and conformal transformation?
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Graduate Expectation Values and Operators
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Graduate Significance of Commutation Relations
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Graduate Why doesn't Hydrogen have the same wave functions as Helium
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Graduate Quantum Mechanical Software & Force Constant for Polyatomic Molecules
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Graduate Uncertainity Principle , particles and antiparticles
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Graduate On-shell renormalization (Srednicki ch31)
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Graduate Analogy of casimir effect with moving boats
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Graduate Black Body Radiation: Derivation & Justification
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Graduate Is There a Calculation Error in Wikipedia's Helium Atom Energy Formula?
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Graduate Understanding Ladder Operators
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Graduate Can a single light wave be split multiple times using quantum mechanics?
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Graduate Atomic Interactions with External EM Fields
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Graduate Solving Hydrogen Atom Orbital Puzzles: Nodes & Electron Movement
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Undergrad Classical Physcics VS Quantum Physics
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Graduate Hidden variables, Bell's theorem, etc
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Graduate Two electrons in a potential well
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Graduate Angular momentum (L) in z-axis of hydroxyl radical
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Graduate Do physicists agree that unified field exists ?
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Graduate Eigenvalues of Hydrogen Atom & Uncertainty Principle
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Graduate Matrix Elements: J_+*J_- = J^2 - J_z^2+hbarJ_z?
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Graduate A Quantum Mechanical model of measurement
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Graduate What Does a Complex Momentum Value Indicate in Quantum Mechanics?
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Graduate Semiclassical Approach & Langer's Modification of Quantization Rules
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Graduate Do Point-Particles Truly Lack Spatial Extension?
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Graduate Why Did We Shift from Electron Orbitals to Electron Clouds?
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Graduate Can Electron Spin Affect Current Flow?
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Graduate Can the Stern-Gerlach experiment accurately measure electron spin?
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Graduate Solving Antisymmetric Part of Grassman Numbers Sum
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Graduate 2d Wavepacket in relativistic QM
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Graduate Notation question: partial derivative with arrow
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