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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

I Question about discussions around quantum interpretations
Wave Function Question: Understanding |0,f\rangle & \hat{c}_{\vec{k},\sigma}^+
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Heisenberg s uncertainity principle
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Where does the energy for electron movement in orbitals originate?
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Measuring Electron Position with Photon: The Uncertainty Principle
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Photon Wave Packet Envelope Question
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Understanding Tensor Integration Notation for 4-Dimensional Space
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The picture in the addition, you see one integral equation and I have
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Are Spin and Quantum States Independent in Wave Functions?
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Spontaneous Symmetry Breaking -Conceptual Question
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Trace of a Matrix: Definition & Analysis
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Why can the spin and the angular momentum transform to each other?
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Limit to SHO / EM field analogy
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Are Pauli Matrices Unitary and Do Their Complex Conjugates Match?
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Understanding the Disappearance of 2*A^*<A> and 2*B^*<B> in Derivations
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Why Do Photons Disappear in a Perfectly Sealed Box?
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Why Does Quantum Mechanics Use Complex Probability Amplitudes?
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Green's function for Klein-Gordon equation in x-space
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Kenetic Energy of a Particle due to Speed
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Why does electromagnetic radiation (energy) excite electrons?
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Do Electron Holes Have Spin Angular Momentum?
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Can we measure the effective mass of charge carriers using a centrifuge?
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Need clarification on quantum indeterminism
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Entanglement across different frames of references
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Questions about information in QM
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Unitarity of Time-evolution Operator
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Encyclopedia of Gamma Matrix Representations?
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A couple of easy questions related to quantum mechanics
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Time Dependence of Expectation Values
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Understanding Normalization Factors in Scientific Research
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Could Electrons Exist in 4 Dimensions?
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What experiment best demonstrates electron radiation?
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No general quantization recipe?
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What's the motivation of using silver atoms in the Stern-Gerlach experiment？
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Time dependent pertubation theory
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Quantum entanglement hinting at the nature of reality?
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Quantum Mechanics and Classical Mechanics: Is there a connection?
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Question about the uncertainty principle and unit cell in phase space
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Two atoms at opposite sides of the universe are connected?
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Question regarding sudden approximation
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Understanding Physics Through Randomness: A Curious Adult
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Problem with Parity for photons
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Difference wave mch. and field operators.
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Physically, what do positive frequency modes represent?
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Is the expectation value of momentum of a stationary state zero?
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Understanding the Probability of Measuring an Allowed Energy in a Wave Function
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Heisenberg's uncertainity principle
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Understanding the Vector Spaces in Berry's Geometrical Phase Paper
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Square of a finite deltafunction
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Clarification of statement on how to evaluate S-matrix elements.
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Solving the Mystery of Light Pressure | Physics Forum
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Understanding the 1D Wave Equation for Free Particles in Quantum Mechanics
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Elementary Particles: Mass, Force & Matter
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Could a Fermion be Entangled with a Boson ?
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How do I treat IR divergences in e+/e- to mu+/mu- scattering?
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The HUP, simultaneous measurements, and eigenfunctions
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Fermi Distribution Explained: Energy Levels in Metals
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Where does non-locality originate in dBB theory?
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Lightspeed and entanglement 'phone' question
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Partial trace of the density matrix
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'Toy' universe complying with Bell experiments
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Atomic electric field an issue
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Is There an Anti-Universe and Do Antimatter Particles Effect Themselves?
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Observation time and its relation to the quantum Zeno effect
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Russian Roulette and schrodinger's cat
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Two level system Schrodinger Equation problem
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Is Inertia Explained by the Higgs Mechanism?
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Bound states in propagator
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Quantum Mechanics Before Classical Mechanics: Implications and Speculations
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When does a wavefunction inherit the symmetries of the hamiltonian?
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Does first order QED matrix elements vanish?
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What Determines the Barrier Field in Fowler-Nordheim Tunneling?
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Normalisation of quantum states
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Why Does Bra-Ket Notation Assume Linearity in Quantum Mechanics?
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Find Complex Conjugate of u_j in Adjoint of Equation
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Understanding the Derivation of E=hf and its Significance in Quantum Physics
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What is the purpose of the Schrodinger wave equation in quantum mechanics?
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The arguments against macroscopic quantum states are
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Electron and graviton degrees of freedom
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Square root of volume in fourier expansion of the vector potential
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Difference between active and passive transformations.
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Does QED reproduce classical electrodynamics? How?
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Understanding the 2012 Noble prize in QM
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Cyclic permutation and operators
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Number of bound states and index theorems in quantum mechanics?
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Free Hamiltonian problem for relativistic mechanics
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Jost Matrix: Find the Best Book to Learn about It
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Proving Hermitian Operators: (A+B)^n Remains Hermitian | Step-by-Step Guide
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Measuring energy and then momentum
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Can Magnetic Attraction Between Electrons Overcome Electrical Repulsion?
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What are the properties of time in quantum mechanics?
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More detailed explanation of photoelectric effect ?
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Is sixfold degeneracy the maximum degeneracy an angular momentum can have?
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Is information lost if a particle is annhilated by it's antiparticle
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Understanding Spin in Quantum Mechanics: What Does Measuring Along an Axis Mean?
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Symmetries and Spin orbit interaction
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Quantum physics vs classical physics
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Black holes, universe boundaries and geometry
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What Are the Limitations and Possibilities of Measuring Time?
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Prove Heisenberg Uncertainty Principle for Ground State Harmonic Oscillator
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What does the operator C^3 represent in Bra-ket notation?
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