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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 Some questions about perturbative expansion of S matrix
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Graduate Interactions between virtual and real particles
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Graduate Why Does Equivalence Principle Imply Non-Existence of Higher Spin Fields?
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Undergrad Quantum Mechanics e-2, Bransden & Joachain
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Graduate How do the wave-functions of particles and anti-particles differ?
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Graduate What happens in this thought experiment?
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Graduate Velocity of qm particle in a box
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Graduate Speed of photons through dual slit.
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High School The velocity of electrons (question)
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Graduate General Relativity, Quantum Mechanics, Motion and Virtual Particles Oh my
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Graduate Unknown well-known equation in Sakurai
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Graduate Bra-ket Notation: Explained in Layman's Terms + How to Notate
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Graduate Quantum Decoherence: Understanding Contradictions
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Graduate How Do Helium Lamps Produce Light?
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Graduate How can I deform electron orbitals?
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Undergrad What is the Doppler Shift of Matter?
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Graduate How Does the Schrödinger Equation Account for Rest Mass Energy?
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Graduate Entangled particles - Correlations
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Graduate Why Must Dirac Matrices in Minkowski Space Be at Least 4x4?
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Graduate Hamiltonian mechanics and the electric field
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Graduate Time travel and the double slit experiment?
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High School Difference between coherent light and polarized light
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Graduate Casimir Effect? Seems there is a simpler solution than virtual-particles.
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Graduate Where can I find Dirac's original papers?
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Graduate The Landau-Zener transition & spin-flipping in an external field
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Graduate How do I compute the 3D Fourier transform of a point charge potential?
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Graduate A confusion from David tong's notes on QFT
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Undergrad Question about double slit experiment
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Graduate QED Renormalization: Feynman Diagrams with Counterterms on External Legs
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Graduate Neutron Dipole Moment: Parity, Time Reversal Symmetry
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Graduate Uncertainty Principle: My Solid State Physics Class
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Graduate What separates one particle from another?
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Graduate Shankar's treatment of Dirac's delta-function
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Graduate Bare Charges of Identical Particles: Is It Possible?
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Graduate QED:WeakForce:QCDU(1):SU(2):SU(3)T^1:T^2:T^3 ?
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Graduate What Wave Patterns Emerge from Randomized Buoy Generators on a Calm Lake?
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Graduate Wave function (orbital) rotation matrix
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Graduate Quantum double slit experiment
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Graduate Which way detector (hardware) information
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Graduate Quantum vacuum, virtual particles and ''friction''
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Graduate Empty space can set objects in motion
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Graduate Rainbows and wave-particle duality
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Graduate Is the wave-function frequency of subatomic particles affected by gravity?
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Graduate Some confusions about interaction picture, in peskin
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Graduate Relativistic quantum mechanics and causality
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Graduate Double slit experiment question
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Undergrad Photoelectric effect experiment
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Graduate The projetive Hilbert space of coherent state.
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Graduate How are free fields and static fields in QFT interconnected?
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Undergrad Schrodingers Cat is sbserved whilst in the box
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Graduate Consecutive Measurements on One of an Entangled Pair
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Graduate New Type of Entanglement - Time
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Graduate Electrons traversing a Potential well
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Graduate Should QM or QED be used?
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Graduate Understanding Convergence Factors in Physics Textbooks
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Graduate Understanding Cutkosky's Rules for Bhabha Scattering and the Optical Theorem
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Undergrad What Happens When Photon Strikes an Electron?
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Undergrad What is the value, in joules, of one quantum of energy?
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Graduate Why is the behaviour at infinity important in classifying gauge theory states?
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Graduate Special Relativity and Entanglement
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Graduate Help with intuition concering braket sandwich
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Graduate How Do Canonical Transformations Translate from Classical to Quantum Mechanics?
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Graduate Quantum Field is Observable, Not State Property
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Graduate What is the Relationship Between Quantum and Classical Path Integrals?
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Graduate Understanding the Nambu-Jona-Lasinio Model: Key Questions and Concepts?
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Graduate Is the Wave Packet a Valid Solution of the Schrödinger Equation?
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Undergrad Why Do Units on Plank's Constant Include Mass, Length, and Time?
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Graduate Searching Book about QED; compton scattering of polarized photons
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Graduate Correlations between QM operators
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Graduate Italian double slit electron experiment
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Graduate Can Entangled Photons Enable Communication?
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Graduate Feynman Path Integral: Explaining e^{\frac{iS(x)}{\hbar}}
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Graduate Quantum computingnecessary classical devices knowledge?
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Graduate Normalization and orthogonality of wavefunctions
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Graduate Gravitrons and General Relaivity
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Graduate Fermi's Golden Rule: Explained
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Graduate Microcausality in field theory
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Graduate What IS happening with photon frequency?
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Graduate Decoherence does not collapse wavefunc.
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Graduate What's Really so Quantum About Heisenberg's Uncertainty?
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Graduate Imagine a proton in a certain place during an experiment
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Graduate Atomic electron wave frequencies
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Graduate Tensor products of representations
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Graduate Double slit experiment at event horizon of a BH
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Graduate Is the Delayed Choice Experiment Justified?
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Graduate How to calculate a Vibronic Coupling?
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Graduate Ask a few specific use of the word physical if it is correct
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Graduate How to fire one electron at a time
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Graduate Density Matrix: Theorem & Normality Conditions
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Graduate Electromagnetic interactions & photon transfer
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Graduate Can S and K Integrate to the Same Result?
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Graduate Uncertainty in the presence of quantum memory
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Graduate Usefulness of the momentum wavefuction in solving Schrodinger's Equation
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Graduate Are there any regulating condition on the spin of particle?
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Graduate What are the possible dimensions of representation of SL(2,C)?
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Graduate What would happen if Planck constant decreased slightly?
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Graduate Can Quantum States be Transferred without Knowledge of Initial Orientation?
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Graduate Motion equation in quantum mechanics?
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Graduate Looking for help on Lancsoz algorithm to solve schrodinger equ
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Graduate Grassmann Numbers & Commutation Relations
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