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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 Quantum Mechanics, Potential Step
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Graduate Phase of photon from excited atom
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Graduate The photon, time and entropy
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Graduate Understanding the Differences Between Integer and Fractional Spin Values
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Graduate Casimir effect, where is the energy loss?
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Graduate Is matrix mechanics better suited for relativity than wave mechanics?
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Graduate SU(2) symmetry of the ammonia molecule?
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Graduate Fluctuation-Dissipation Theorem and QED
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Graduate Are grand unified theories the solution to the problem of multiple fields?
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Graduate Is quantum entanglement - Continuous?
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Graduate Is the Displacement Operator Tψ(x)=ψ(x+a) Hermitian?
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Undergrad Bohr's postulate: Electron not losing energy
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Graduate Is the electron field a real thing?
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Graduate Contracting operators in Wick diagrams
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Graduate Arguments in favour of the fair sampling assumption
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Graduate Spin,orbital and total angular momentum
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Graduate String tension for quark anti-quark binding
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Graduate Deriving Dirac Hamiltonian with (+,---) Metric Signature
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Undergrad Recommended math for 1st class in quantum
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Graduate Momentum and wave vector representation
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Graduate Is my understanding of EM field quantization correct?
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Undergrad What is a Photon? - Mass, Momentum, Speed & Wavelength
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Graduate Multiple Dimensions in Quantum Theories
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Graduate What do violations of Bell's inequalities tell us about nature?
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Graduate What exactly is a quantum field
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Graduate Can You Explain the One-electron Universe ?
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Graduate What Happens to Boson Distribution in Long-Lived Non-Equilibrium States?
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Graduate When does quantum gravity become important?
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Graduate Question on spin-zero Feynman rules
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Graduate Has quantum physics proven that thoughts become reality?
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Graduate Spontaneous symmetry breaking: How can the vacuum be infinitly degener
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Graduate Understanding Noether's Theorem in Quantum Field Theory - K. Huang's Explanation
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Graduate Understanding the Einstein Notation for Derivatives in Quantum Field Theory
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Graduate Diffraction of individual photons
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Graduate Why don't scalar fields propagate superluminally?
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Graduate What is the Quantum Force and How Does it Govern Atomic Vibrations?
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Graduate Quantum mechanics without spacetime
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Graduate Discreet Quanta versus the Continuous Electromagnetic Spectrum
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Graduate Are entangled particle outcomes determined by the unit circle?
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Graduate State space of QFT, CCR and quantization, and the spectrum of a field?
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Graduate Shrodinger's Waves, and Heisenberg's Matrices
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Graduate QM: Coordinate & Momentum Representation w/ Fourier Transform
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Graduate How Do You Compose Three Ket Vectors in Quantum Mechanics?
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Graduate Is there any evidence at all for quantum counscoiusness
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Graduate HUP and Conservation of momentum
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Undergrad Schrodinger equation dedution step?
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Graduate A physical example approximating the idealized situation
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Graduate Shadow on Wall: Light Blur from Wave or Quantum?
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Graduate What is the mathematical intuition behind operator embedding?
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Graduate Bounding the speed of `spooky action at a distance'
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Graduate Understanding the de Broglie Wave Function - Need a Little Help?
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Graduate Bell State of two non-orthogonal modes
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Graduate Scope of Pauli's Exclusion Principle
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Graduate Why Does Phase Velocity Differ in Relativistic and Non-Relativistic Cases?
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Graduate Wave Particle Duality: Is It Mass-Energy Equivalence?
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Graduate Translation operator. Infinite potential well.
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Graduate About spin being an internal symmetry
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Graduate Entangled States and the Mystery of Wave Function Collapse
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Graduate Commuting Operators and Eigenfunctions in One Dimension
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Graduate Relationship Between the Probability Current and Continuity Equation
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Graduate Understanding the Physical Meaning of Orthogonality Condition in Functions
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Graduate How to measure the external quantum efficiency of OLEDs?
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Graduate Polarization states directly measured : What did this experiment do?
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Graduate Uncertainty about Heisenberg Uncertainty Principle
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Graduate Can anyone explain quantum gates
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Graduate Can Negative Energy Be Produced in Small Amounts Through the Casimir Effect?
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Graduate About Schrödinger-Heisenberg connection
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Graduate The dirac equation of the hydrogen atom
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Graduate Density matrix for bell states
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Graduate Understanding the Why of Pauli Exclusion
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Graduate Observables, Measurements and all that
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Graduate Lorentz contraction in the Quantum realm
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Graduate Hydrogen molecule in a small box, thought experiment
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Undergrad Understanding the Relationship between Planck's Constant and Frequency
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Graduate What Happens When the Universe is Reduced to the Planck Length?
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Graduate What affects the probability of finding a system in the ground state?
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Graduate Could Quantum Entanglement Allow for Faster Than Light Communication?
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Graduate How can we measure the reality in quBits?
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Graduate On my way to Heisenberg uncert. princ.
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Undergrad How Do Experimental Physicists Measure Momentum?
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Graduate Source of Virtual Particles in Space?
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Graduate How is QED solved non-perturbatively, basic outline.
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Graduate QFT Ground State Analysis: Understanding e^(-iHT) |0>
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Graduate Photon into matter - antimatter pair production question.
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Graduate Two questions on Clebsch-Gordan coefficients
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Graduate Quick beginner question on wave-particle duality
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Graduate Breaking wavefunction into pieces
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Graduate Why Must Quantum Physics Involve Discrete Quanta?
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Graduate Why don't virtual particles cause decoherence?
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Graduate I question the double-slit experiment:
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Graduate Prove that the angular momentum operator is hermitian
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Graduate Pauli Exclusion Principle and Entanglement
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Graduate Why is Schrodinger's Cat entangled? Or is it not?
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Graduate Can Physicists Unravel the Mysteries of Einstein-Rosen Bridges and Wormholes?
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Graduate Understanding Quark-Gluon Vertex in QCD Feynman Rules
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Graduate Qubit Spin Convention: |0> & |1> Eigenvectors?
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Graduate A little Bra-Ket notation theorem that I don't get
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Graduate The Free Particle Wave Function: A Flawed Model?
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Graduate Spin orbit coupling and hydrogen problem
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Graduate Effect of photon detection mid-way between (double) slit and screen
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