Atomic and Condensed Matter Forum

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Join in expert discussion on atomic and condensed matter. Methods for atoms, molecules, condensed matter. This includes the structure of the atom, its energy states, and its interactions.
A Calculating the interaction potential between 2 molecules
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I Praseodymium, other Elements, and their Magnetic Properties vs. radioactivity
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B Is the Higgs Boson the Only Source of Mass?
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I Atomic Structure: Why Does Energy Decrease with Orbit Number?
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A How does graphene Fermi velocity v_F link to the envelope propagation?
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A Thermal Properties of the Free Electron Gas: Fermi-Dirac Distribution
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B Atom absorbing a photon and emitting a photon afterwards
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I Issues in understanding screening effects in the Jellium model
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I Uniform Translation of a Lattice
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I Colloid complex refractive index from UV-vis spec
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A Momentum density of silicon valence band using bandstructure
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A The relation between ferromagnets, Phi4 and non-linear sigma model
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A Anisotropy of the effective masses in semiconductors
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A ##\Lambda##-enhanced gray molasses cooling
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I Two-body correlation function computation
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A Yes, there is a typo. The correct electronic configuration for Yb+ is 4f146s.
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A Derivation of Generalized Khon-Sham Scheme
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I Why do GaN based LEDs continue to function despite a high number of defects?
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I Conservation of linear momentum in RH relations
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I Questions Regarding Primitive Unit Cell
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I Microscope with which atoms can be seen
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A K-point mesh and Monkhorst-Pack
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A Magnetic exchange interaction by first principle (Blume-Capel model)
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A Decay of supercurrents connected to non-superconducting zones?
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A Symmetry breaking in the AdS small/large black hole phase transition
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A Carrier relaxation within a quantum well
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I AC Stark shift in a 3 level system
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I Why do only low-pressure gases emit a line spectrum?
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A Deriving the perturbative expansion from Hubbard to Heisenberg
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I Question about Radiationless De-Excitation
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A Monte Carlo Wang-Landau_antiferromagnetic perovskite
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I The dispersion interaction and Casimir effect
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B Can anyone explain the zero bias dark current observations in this paper?
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A Investigating the dielectric constant of a pure polar liquid
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I How to get plot (optical gain of GaAs)?
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B New Theory Explaining Why Certain Alloys don't change size when heated
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I A question on elasticity from Kittel's Solid State Physics book
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How do I calculate the rate constant units for excitation by electron impact?
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I Pair interaction potential with more than one mininum?
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A Convert .cif to quantum espresso input
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I Absorption cross section of light in air
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I What Determines the Use of Normal vs Angular Frequency in Quantum Transitions?
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I Injection radius in a Penning trap
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A Technical question about AMO experiment in a paper
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I Why is K an anti-unitary operator in (26)?
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I Does heating weaken the strong nuclear/electromagnetic forces
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B Is it possible to ionise a solid, so that it has no electrons left?
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A Question about power broadening
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A Characterizing Electron Beam w/ CMOS-Camera or Faraday Cup
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I Power functional theory (PFT) vs traditional Dynamic DFT
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A Broad linewidth continuous wave laser
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A From two-body Green's function to one-body in perturbation theory
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A Spectrum analyzer for cavity locking
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I Colorless Compounds and electromagnetic radiation
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I Interpretation of temperature in liquids/solids
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I Are All Periodic Lattice Arrangements Bravais Lattices?
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I Covalent Bonds -- Which type of force?
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A Differential cross section, double differential cross section, triple...
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A Confused about reflected signal in a bow-tie optical cavity
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A LCAO graphene orbitals wave functions
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I How is Lorenz-Lorentz relationship possible?
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I Laser linewidth in a STIRAP process
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I The missing factor of 2π in reciprocal lattice calculations
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A Looking for a paper describing the Raman effect
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A Two level system in a thermal noise electric field
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A Can we have molecular transitions that change multiplicity?
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A What is the meaning of the (A x B) when talking about CDWs?
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A Can I calculate partial density of states using tight binding?
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A Bipolar transport in a simple illuminated semiconductor bar
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A Empirical tight-binding sp3s* band structure of semiconductors
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A How can I use a fiber EOM to lock a laser with a large input power?
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Phonon Density of States (PDOS) at Gamma Point
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A Confused about population transfer
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A Learning about other experimental areas of physics
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A Nuclear moments in molecular spectroscopy
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A Extracting the uncertainty on a measured atomic transition
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I Understanding Diffraction Condition in Kittle's Intro to Solid State Physics
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I Use the Ewald sphere to calculate h,k,l?
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I Use the Ewald sphere to calculate h,k,l?
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B What causes the drop of latent heat at lower temperatures in liquid helium?
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A Energy levels shifts in a time-varying electric field
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B Atomic Energy Levels: Simplified Explanations for the Curious
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B Quantum Physics and Atomic Physics
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B Can atoms not notice each other?
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A Why is the Brillouin zone a torus?
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A Superconducting and normal electrons are not interchangeable
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A Question about Stark interference
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A What is the Wigner–Seitz cell of diamond?
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I Collision-induced free-free absorption in fluids and superfluids
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I Selection Rules for a Diatomic Molecule?
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I Compton scattering experiment
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A Time dependent perturbation theory applied to energy levels
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Poor convergence using Fe HMOs for FMO in Gamess
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I Is it possible to have "ideal surface" whose highest peak is ~1 nm?
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A Trying to reproduce the energy levels of a molecule from a paper
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I Characteristic X Rays: Understanding Atom Reversion
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I Energy levels of atoms and spectroscopic analysis
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I Emission of light from incandescence of metals
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A Kirkendall effect: vacancy concentration and pair interaction energy
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I How azimutal quantum number got its range value
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