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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 Understanding Barandes' microscopic theory of causality
Graduate Neutrinos going through neuclei?
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Graduate Is the Many Minds Interpretation of Quantum Mechanics Widely Accepted?
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Graduate Angular Momentum Expectation Values help for noobie
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Graduate Why Does the First Order Term in QED Scattering Matrix Give No Contribution?
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Graduate Can a Quantum Computer Solve NP-Hard Problems in Infinite Parallel Computing?
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Graduate Integrating over all possible fields
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Graduate The dimension of the fine structure constant
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Graduate Which QM formalism is the most useful for understanding research papers?
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Graduate How Instantaneous is Quantum Entanglement?
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Graduate Fermion Contraction: Peskin & Shroeder Pg 63
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Undergrad Teleportation & EPR: Learn Basics & Get Readings on Paradox
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Graduate Why does Lorentz Force law work?
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Graduate Does Compton Effect Formula Follow Original Derivation?
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Graduate Can Quantum Interference Be Explained Solely by Self-Interaction of Photons?
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Graduate Density matrix off diagonal terms - what do they mean?
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Graduate Can I Predict the Lottery Draw Without Affecting the Universe's Wavefunction?
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Graduate Can You Generate Feynman Diagrams for Specific Perturbation Orders?
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Graduate Quantum Foam: Exploring the Gravitational Effects of Virtual Particles in Space
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Bizarre theory-Could there be any truth in this?
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Graduate Matrix of angular momentum operator
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Graduate Can measuring certain operators in a quantum system have deadly consequences?
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Graduate Cell Phones & Cancer: Examining Interaction Mechanisms
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Graduate Permutation Operator: Understanding & Application
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Graduate Creating Electrons: A Question from Feyman
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Graduate What happens when we measure H_x in an infinit potential well?
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Graduate Does this soda can anti-gravity trick have any validity?
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Undergrad Question: Why Quantum Computing Uses 1 & 0?
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Graduate Artificial atoms used to improve compact discs?
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Graduate In QM operators, why [YPz,YPx]=0, [ZPy,ZPy]=0 [X,Py]=0 [Y,Pz]=0, etc
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Graduate Time-dep perturbation theory
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Graduate How to work in the momentum representation?
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Graduate Testing Hermiticity: How to Prove it?
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Graduate Virtual Photons as Force Carriers
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Graduate Quantum physics with Green's functions
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Graduate Can a Quantum State Have Time-Dependent Eigenvalues?
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Graduate System of hydrogen atoms in an electric field
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Graduate Why are particles in quantum field theory discrete?
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Graduate Why does spin 0 have to be a true scalar?
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Graduate Four-Photon Entanglement: Is a "Pure" State Possible?
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Graduate Does the Four Fermion Interaction Conserve Current Like Standard Models?
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Graduate Proving the Spin Half Nature of Dirac Quanta
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Graduate What is Quantum Physics and How Does it Differ from Classical Physics?
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Graduate Can Quantum Mechanics Allow for Discontinuous Wavefunctions and Probabilities?
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Graduate Non-Commutative Angular Momentum, and Muonium
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Graduate A crank's idea about Uncertainty Principle
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Graduate Probability Amplitude phases
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Graduate Understanding the Duality of Photons: Particle or Wave?
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Graduate Nonlocality of a Single Particle: A Scheme Without Objections
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Graduate Intiutive approach to Green's function for SE
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Graduate Entanglement: Can We Logically Say a Body is in All Possible States?
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Undergrad Multiple lines in H2 and Hg emission spectra
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Graduate Hilbert/Fock space spanned by non-interacting states
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Graduate Gauge Transformation: Definition & Uses
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Graduate A contradiction of Heisenberg uncertainty principle?
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Graduate So, the question is: Can hidden variables explain quantum behaviour?
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Graduate Slit Experiments: Unanswered Questions Explored
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Graduate Spectral line width calculations
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Graduate Why are eigenstates important in the treatment of atomic systems?
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Graduate Double Slit Experiment: Wave Interference & Particle Like Patterns
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Graduate Two particles in superposition
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Undergrad Flux vs Fluence: What's the Difference?
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Can Consciousness and the Unified Field Be Experienced Beyond the Human Body?
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Graduate Can q Have Eigenvectors Other Than Zero in Standard Quantization Procedure?
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Graduate Need a quick tutorial on the following topics
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Graduate Deducing Degeneracy in Spin from Commutation Relations
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Graduate Does Absolute Zero Occur in the Universe?
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Graduate The Dirac Equation and the Neutrinos
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Graduate Quantum Spin Chain Problem: An Overview
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Graduate Fourier Transform of Hermitian Operators
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Graduate How Do I Derive the Zeta Function Using Zeta Function Regularization?
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Graduate Understanding Non-Relativistic Path Integral Formulation
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Undergrad Light through polarizing filters
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Graduate Is the physical whole a sum of quantum measurements?
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Graduate How Do Electrons, EM Waves, and Electricity Interact?
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Graduate Understanding the Delta Function Well in Quantum Mechanics
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Graduate Can operators describe a single or many measurements simultaneously?
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Graduate Communication using quantum entanglement
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Graduate Deriving 3D Wave Eq.: Assumptions & Considerations
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Undergrad Hermitian Matrices: Visualizing Transpose & Adjoint
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Graduate How can the momentum be non-zero if the probability current density is zero?
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Graduate What is the use of representing wavefunctions as an exponential?
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Graduate Perturbation effect on harmonic osclillator
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Graduate COM vs Lab Total energy discrepency
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Graduate How Does Quantum Theory Explain Repulsion Between Charged Balloons?
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Graduate Why Does a 2π Rotation Change the Sign of a Wavefunction in Quantum Mechanics?
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Graduate Calculating Group Velocity of Schrodinger Waves: Dispersion Relation
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Graduate Does Observing a Particle in Superposition Entangle You With It?
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Graduate Is the collapse of the wavefunction in entangled particles instantaneous?
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High School Direction of revolution of atomic electrons
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Undergrad Absorption of photons by electrons
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Graduate Understanding Bound States in Quantum Mechanics
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Graduate How Can You Have Negative Energy in a Positive Potential?
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Graduate Typo in Kapusta or Ashok Das ? Formula for thermal propagator
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Graduate Euclidean QFT and thermodynamic analogy
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Understanding How to Manage Your Finances
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Graduate Electromagnetic casimir effect
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Graduate How two quantum systems interact ?
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Graduate Can QT estimate the ionization energy of neutral Helium, He I?
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Graduate What Does Not Local in Space Mean in Relativistic Quantum Mechanics?
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Graduate Parity Operator, Symmetric Potential: Is V=PV?
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