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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 Universal quantum physics
Graduate What do vector operators mean?
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Graduate What do we mean by spin of a particle when we say it a point particle
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Graduate Is quantum entanglement unaffected by fields/forces?
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Graduate Electrons Entangled with Nucleus?
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Graduate Is the wave function a relative wave (entanglement)
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Undergrad Can photons have mass and momentum?
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Graduate Is the Coincidence Counter Essential in Birgit Dopfer's Experiment?
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Graduate Eigenfunctions of Operators with Continuous Sprectra
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Graduate Spin and the violation of the speed of light
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Graduate The erase of quantum states by measurement
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Why do my threads keep getting deleted?
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Graduate The wave-function of the universe
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Graduate Entanglement - Does FTL via entanglement violate causality or relativity?
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Graduate Attractive forces in 3-d space
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Graduate Particle Movement: The Importance of Distance and Shape at the Smallest Scale
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Undergrad Rydberg Constant: What Does Re Refer To?
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Graduate Calculate Particle Wave Function Over 1 Planck Time
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Graduate What is Quantum Tunnel Splitting in a Double Well Potential?
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Graduate Is a-causality necessary for randomness?
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Graduate Covariant commutation relation in Mandl and Shaw
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Graduate Some inconsistency on operator expectation value
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Graduate Poisson Bracket - Constrained system
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Graduate I am aware that physicists are trying to derive born rule from unitary evolution
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Graduate Gaussian wavepacket and position-momentum uncertainty
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High School Will My Double Slit Experiment Setup Using an Electron Gun Work?
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Graduate Significance of commutation of operators? position and momentum
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Graduate Difference between eigenvalue and an expectation value
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Graduate POVM Measurement Example: Intuitive & Easy-to-Understand
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Graduate Suppose i am performing the diffraction experiment using a single electron
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Graduate Operators and commutation of operators
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Graduate A question about <The Quantum Theory of Fields> P.120
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Graduate Strong and weak interactions particles
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Undergrad Normalizing Data: Unknown Values
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Graduate Gravity - relationship with Electromagnetism?
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Graduate Modification to the wavefunction with application of an electric field
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Graduate Heitler London Method: What Do S & T Mean?
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Graduate Math of the uncertainty principle
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Graduate Are Observables Only Quantities That Commute with Hamiltonian?
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Undergrad Energy differences between sub shells
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Graduate Time Symmetric Quantum Mechanics
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Graduate Linear potential well solutions and flat well
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Graduate Potential Step (wave amplitude)
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Graduate Contour integration in propagator
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Undergrad What is the Wavelength of Earth and its Impact on the Macroscopic World?
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Graduate Why does Wien's displacement law predict infinite radiation energy?
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Graduate Down quarks force vs ten tonnes truck force
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Graduate Dirac notation expressions as integrals
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Graduate Is Light the Only Form of Energy Released When Electrons Jump?
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Graduate Sean Carroll's view of the atom
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Graduate Is Energy Really Quantized ? (electric Potential enrgy)
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Graduate Displacement Operator definition
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Graduate Wave function collapse by orbital angular momentum operator Lz
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Graduate Particle number and resonance with Klein-Gordon waves.
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Graduate Commutators, propagators, and measurement.
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Graduate Operator-state correpondence in CFT
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Graduate Question about the continuous beta-spectrum
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Graduate P orbital lobes tangent to plane of nucleus
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Graduate A question about Feynman's book of Path. integrals
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Graduate What makes matrix mechanics matrix mechanics?
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Graduate Non-Orientable Quantum Surface
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Graduate Matrix rep of operator acting on bras
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Graduate Mathematical Quantum Statistics: Why is A*rho of trace class?
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Graduate Dimension of <xn,tn|xn-1,tn-1>
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Graduate Exploring Planck's Hypothesis & Einstein's Extension to EMR
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Graduate Lorentz-invariant electric charge?
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Graduate Confusion about derivative operators
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Graduate A-causal & Non-Local: Explaining Quantum Mechanics
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Graduate How to make relativistic correction to perturbation?
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Graduate Why do the X, Y, Z operators switch parity?
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Graduate What is the definition of the spin of a particle?
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Graduate The wave function of hydrogen
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Graduate Understanding 'Kronecker Delta' in Feynman's Vol. 3 Lectures on Physics
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Graduate Where does the electron go during a quantum jump?
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Graduate Are We Still Entangled Since the Big Bang?
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Graduate Mediator of electrostatic repulsion
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Graduate What size do particles start to get a quantum effect
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Graduate What is the Uniqueness of Operators Acting on Bras in Quantum Mechanics?
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Graduate Dirac's Quantum Mechanics - the definition of the time evolution operator
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Graduate General Formula for atomic emission spectra
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Graduate Explaining the Inclusion of Minus Sine in the Heisenberg Hamiltonian Definition
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Graduate How Does the ΔS = 0 Selection Rule Arise?
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Graduate Singlet/Triplet state mixing question
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Graduate Understanding the Deterministic Evolution of Wave Functions in Quantum Mechanics
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Graduate Pilot wave theory, fundamental forces
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Graduate Understanding Scattering in Quantum Mechanics
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Graduate Superposition principle explained
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Undergrad What was the ultraviolet catastrophe
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Undergrad Is It Accurate to Measure the Elementary Charge with Just One Oil Drop?
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Graduate Gauge Theory: Simplified Explanation & Examples for Physics
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Graduate Who first solved the hydrogen atom in quantum mechanics?
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Graduate Maxwell-Bloch equations and operator-products
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Graduate Is It Legal for Electrons to Have Energy Between Atomic Orbitals?
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Graduate No logically consistent relativistic quantum theory?
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Graduate Poincare Recurrence and the Klein-Gordon Equation
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Graduate I am doing a measurement in a system S with the apparatus A, in an
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Graduate Trying to find references for polarization effect of Normal Zeeman Effect
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Graduate Effect of phase difference on interference pattern
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Graduate Scattering partial wave expansion question
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Graduate How Should I Begin Studying Topological Quantum Field Theory?
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Graduate Timelike Curves leads to violation of heisenberg uncertainty Relation
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