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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
Undergrad Paul Krugman on Quantum Mechanics
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Graduate Reason for wave-particle duality?
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Graduate A question about Dirac Delta Potential Well solution
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Graduate Can we rewrite Schrodinger equation using observable variable?
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Graduate How does one fermion change the energy of another fermion
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Graduate Proof of subadditivity of quantum entropy
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Undergrad Understanding the Relationship Between EMR and Polarization
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Graduate In RBW there are no probabilities per se.
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Graduate Beam Splitter Physics: |45>,-|45> State Output
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Graduate Laplace's Demon: Quantum Mechanics & Determinism
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Graduate Quantum Mechanics Effects: Proton vs Up Quark
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Graduate What is a current view on Nimtz (FTL) effect?
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High School Why isn't it possible to walk thru a wall?
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Graduate Error in Griffiths QM: completeness of stationary states
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Graduate Any loophole tactics to cheat locality with entanglement?
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Graduate Photon Shot Effect & Hanbury Brown Twiss Effect: Why No Correlation?
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Graduate Simultaneous measurement of entanglement
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Graduate Solving the Mystery of Unitary Time Operator in QM
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Undergrad Can this explain the double-slit experiment by a classical way?
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Graduate Quick question on Probability Current
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Graduate Intuition behind probability amplitude calculations?
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Graduate Potential energy in the Dirac equation
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Graduate How Do Entangled Particles Behave in a Double Slit Experiment?
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Graduate Understanding the Role of the Quantization Axis in Angular Momentum Measurements
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Graduate Understanding the Pauli Exclusion Principle
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Graduate Bose Einstein condensates and GR?
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Graduate Quantizing Bosons: Is Classical Wave Theory Compatible with Experiments?
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Graduate Do electrons (in a shell) have to be necessarily entangled?
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Graduate Momentum information from position space wave function
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Graduate How does two particles get entangled?
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Graduate Failure to make a Mach–Zehnder interferometer?
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Graduate Quantum entanglement - what attributes are entangled?
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Graduate Can Gravity Be Explained as a Composite of Electromagnetic and Strong Forces?
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Graduate Hidden-Variables: They may as well be deterministic
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Graduate What is the significance of the renormalization scale μ?
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Graduate Smallest Unit of Energy: Number & Meaning
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Graduate Explaining Fermionic Fields & Classical Coherent States
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Graduate Determinism, causality and field theory
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Graduate Total spin angular momentum meaning
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Graduate Determinism and Quantum Mechanics
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Graduate Limits and/or Properties of Entanglemen
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Graduate Do QED corrections strengthen or weaken hydrogen's binding energy?
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Graduate How does the quantum vacuum appear to different inertial observers?
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Graduate How Do Spin-0 and Spin-1 Propagators Differ in Quantum Field Theory?
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Graduate Infinite Well and Boundary Conditions
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Undergrad Energy level transition questions
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Graduate Hardy's Paradox - Which Way Information
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Graduate Propagators for time-dependent Hamiltonians
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Graduate Questioning Bell's Assumption on All Local Hidden Variable Theories
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Undergrad An intuitive meaning to the phase constant k?
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Graduate PBR Paper, Calculation of Outcome Probabilities
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Graduate Is the Electromagnetic Field Omnipresent Throughout the Universe?
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Graduate Decoherence: What is a Robust Correlation
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Graduate Can Alice and Bob play FTL ping pong?
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Graduate Stuekelberg interpretetion of anti-particles
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Graduate Quantum Measurement: Collapse, Reduction, Decoherence, Weak & Strong Projection
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Graduate Solutions to Time-dependent Schrodinger Equation
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Graduate Why is Theory of Quantum Gravity needed
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Graduate What is the entropy of the quantum state vacuum in inflationary theory
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Graduate Time evolution operator versus propagate
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Graduate Reproducibility of measurements in quantum mechanics
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Graduate Strong interaction and unified field theory
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Graduate Understanding the Connection between Dirac Four Spinor and Spin Up
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Graduate Subtraction point not physical mass
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Graduate Is v discrete in E=hv equation?
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Graduate Energy conservation in a vacuum bubble
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Graduate What is meant by two vectors transforming in the same way under SU(2)?
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Graduate Spin-1 rep of su(2) vs. vector transformations
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Graduate Selection of an interval affects the energy eigenstates - impossible
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Graduate Is Schrodinger's Cat Truly Both Alive and Dead Until Observed?
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Graduate Transitions on resonance with a cavity.
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Graduate Trying to make the connection with QM as a 1 parameter QFT
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Graduate Deriving the pauli matrices from general su(2) matrix
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Graduate Wave function of bonding orbital of Hydrogen molecule
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Graduate Quantum behavior in a classical system?
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Graduate Quantization of Energy in Quantum Mechanics - Real Examples?
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Graduate How does quantum tunneling enable nuclear fusion in the Sun?
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Graduate How can I learn about Bose-Einstein condensate's experimental aspects?
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Graduate Scattering matrix and correlation functions
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Graduate Mandl & Shaw QFT: Commutation Rules on Page 263
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Graduate Understanding Virtual Particles: Excitations of Quantum Fields
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Graduate Light as a wave, which wave is the correct wave?
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Graduate What Does the Diffused State of Electrons Around Nuclei Mean?
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Graduate Momentum of electromagnetic field
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Graduate Good Quantum Optics Books - Recommendations Needed
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Graduate Quntum tunneling in financial markets?
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Graduate Understanding Spin States of Particles with Spin-1 and Spin-1/2
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Graduate Boson statistics and the uncertainty principle
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Graduate Why QM Needs Time-Reversibility & Unitarity Explained
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Graduate Do photons of different energy interfere with each other?
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Graduate Can uncertainity principle be tweaked
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Graduate Time Dependent Perturbation Theory - Klein Gordon Equation
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Graduate Occupation Numbers Of Phonons/Photons
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Graduate How negative energy solution has positive energy in lab?
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Graduate Weinberg discussion on induced representations in his QFT Vol.1 Ch. 2
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Graduate Uncertainty of an electron in a core
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Graduate Understanding the Heisenberg Uncertainty Principle in Quantum Mechanics
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Graduate The Wave-Like Nature of Electrons: Electric & Magnetic Fields
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Graduate QFT: Mandl & Shaw, Page 297 - An Extra Minus Sign
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Graduate Subatomic Particles From Nothing?
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