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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

Undergrad New interpretation for the double slit experiment with light?
Undergrad What is the evidence for light being particles instead of waves?
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Graduate Question about expectation value.
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Graduate Quantum Mechanics & Superposition State Dynamics
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Graduate Why not formulate QM in terms of |ψ| squared?
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Graduate Three Papers on the Foundations of Evolution and Emergence by Diederik Aerts
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Graduate Why do entangled particles have to be in an indeterminate state?
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Graduate Green's function & Klein Gordon
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Graduate Entanglement and the Pauli exclusion principle
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Graduate Is Entropy Reduced When Particles Combine?
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Graduate Energy-time Uncertainty principle
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Graduate Physical meaning of Differential Cross Section in scattering
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Graduate Loophole-free demonstration of nonlocality?
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Graduate The Role of Commutators and Poisson Brackets in Phase Space Geometry
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Graduate Why Do I Struggle to Understand Complex Physics Concepts?
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Graduate The expectation value in quantum theory
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Graduate Solving Doubled Spring Constant in Harmonic Oscillator
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High School Why the central fringe is brighter in the double slit experiment
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Graduate What is the significance of macro entanglement in quantum mechanics?
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Graduate Combined system state as product of states
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Graduate Why photon loss energy when escape from a black hole ?
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Graduate Bohr's response to the Einstein box
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Graduate Orgin of charge and magnetic character
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Graduate Is it possible hf=kT? Conditions Explained
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Graduate What Are the Degrees of Freedom for an Electron?
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Graduate Degeneracy for different energy states in Infinite cubic well
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Graduate Finding the ground state energy of a particle
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Graduate One loop integration evaluation
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Graduate Exploring the Topological Cross Section in Experimental Quantum Physics
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Graduate What happens if you take two quantum entangled particle and
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Graduate Does Decoherence Solve the Measurement Problem Completely
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Graduate Understanding Spin 1/2 and Other Spin Values Explained
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Undergrad What is spin and why does is particle emission possible
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Graduate Can I Use the EOM to Simplify an Interaction Term in Feynman Diagrams?
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Graduate How many tree-levels in various QED processes
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Graduate Describing polarization of a coheret state parametrizing on poincare sphere
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Undergrad Oscillator Strength: What Is It & How To Understand It
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Graduate How to Calculate Expectation Values in Spherical Coordinates?
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Graduate Aharonov-Bohm Effect & Spin 1/2 Particles
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Graduate Defeated by quantum field theory yet again
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Graduate Help explaining a quantum wave function. (How you describe a wave by a particle)
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Graduate Solving Problems Using Quantum Mechanics
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Graduate Unruh effect and detectors moving in a circle
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Graduate Having a hard time thinking about quantum mechanical vector addition.
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Undergrad If everything is random how can we have laws?
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Graduate Which symmetry follows Ward-Takahashi identity?
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Graduate Invariance of energy under change of origin
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Graduate Dimensional analysis of the SED
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Graduate How Does the Outer Product Operate on Quantum Mechanical Operators?
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Graduate Superposed photon hitting a polarizing beamsplitter
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Graduate Some questions on quantum teleportation
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Graduate Existence of adjoint of an antilinear operaor, time reversal
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Graduate Transforming a 4-vector integration measure
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Undergrad What exactly does a degree of freedom mean?
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Graduate Scattering Amplitude for a given potential
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Graduate Compatible Operators: Same Eigenvalues?
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Graduate How Do Electrons Behave in a Half-Filled P Orbital?
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Graduate A Kantian View of Quantum Mechanics
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Graduate Factors of Frank Condon Blockade
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Graduate Change of basis of density matrix
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Graduate Why Does Transition Amplitude Not Equate to Time Evolution in Quantum Mechanics?
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Graduate What is a loop (in Feynman Diagrams)?
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Graduate Are Spinors Truly Invariant Under Coordinate Transformations Beyond Lorentz?
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Graduate Orbital and energy shell transitions
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Graduate Faster than light information travel
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Graduate Potential in the schrödinger equation
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Graduate Quantum Tunneling: Fusion possibilities.
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Graduate Perturbation Theory (Non-Degenerate)
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Graduate Which equation is used to calculate the momentum of an electron?
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Graduate Quantum hamiltonian with an expoenntial potetial.
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Graduate Explain Spin-Orbit Coupling for d Orbital l=2
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Graduate Sx acting on up spin particle confusion
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Graduate Eigenfunctions of spin operator
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Graduate Normalizeable solutions when separating the SED
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Graduate Electromagnetic spin from Noether theorem and spin photon
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Graduate Why all operators in QM have a Hermitian Matrices
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Graduate What is the physics behind quantum tunneling
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Graduate Have i been mislead by b greene? quantum teleportation
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Graduate Second Quantization for Fermions
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Graduate Understanding Eigenvalue Measurement in Quantum Systems
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Graduate Wave function of multiple particles
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Graduate Proof of Planck Length: A Pedological Derivation
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Graduate Tunnelling and special relativity
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Graduate The Klein-Gordon equation with a potential
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Graduate Can This Equation Be Applied to Both Continuous and Discrete Energy Spectra?
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Graduate Fock spaces semantics and number of particles
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Graduate How do I handle degenerate eigenvalues and eigenvectors in quantum mechanics?
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Graduate Change of Schrodinger equation when we change frame of reference
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Graduate First quantum teleportation of macroscopic objects
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Graduate What does propogation of wave packets mean?
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Graduate Coulomb potential in Kohn-Sham DFT
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Graduate Successive Measurements of angular momentum
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Graduate How Does Electron Decay in a Magnetic Field Work?
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Graduate Klein-Gordon Equation & Continuity Equation
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Graduate Fining Clebsch-Gordan coeffs in special cases, alternate method
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Graduate Time Confirmed: Arrow of Time for Particles
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Graduate Jacobian in path integral equal to one?
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Graduate On the quantum theory of radiation
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Graduate Expectation values of harmonic oscillator in general state
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Graduate Diffraction Pattern of Buckminsterfullerene
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Graduate How to incorporate spin into the wavefunction?
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