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.
Semiconductors valence and energy bands
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Bose Einstein condensation in 2D finite space
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What is the lower limit of frequency range of acoustic phonon modes?
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PN Junctions vs Transistors When Building Logic Gates
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Does anyone have experience with DBWS software for Rietveld refinement?
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Defect production / neutron radiation
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Differences between Powder, Pellet, and Thin Film Forms
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How much the dielectric loss tangent of 10 nm thick SiO2 ?
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Where Can I Find Lecture Notes for Many Body Theory of Solids by John C. Inkson?
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Can Two Atoms in a Bose-Einstein Condensate Occupy the Same Space?
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Forcing the Future: 12-Year-Old's Invention Advised
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Interacting resonant level model
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What is the range of optical frequecy?
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Can Intense Radiation Enhance Inverse Raman Effect and Multi Photon Absorption?
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Find Primitive Cell from Monoclinic Conventional Cell
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Surface plasmon dependence on surface area to volume ratio
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Fresnel's Equations: Reflections and Total Internal Reflection
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Where does the equation for Gaussian beam divergence come from?
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Discrepency in using Schottky barrier
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Drude model relaxation time approximation
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Crystal momentum in a lattice.
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Physical meaning of orbital polarization?
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Expectation value of semi conductors
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Group Index dependence on refractive index
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Help needed to understand dispersion curve of a 1D lattice with diatomic basic
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Why do doped semiconductors have a decreased band gap?
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What are diffraction orders in nano-structures?
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Exploring the Vibrational Degrees of Freedom for Diatomic Molecules
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Does Dynamic Light Scattering Follow the Same Frequency as the Incident Signal?
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Relating molecules, atoms to number of optical branches (modes)
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Silicon: The Key to Solar Panel Efficiency & Why Carbon Isn't Used
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Why diamond is a hardest structure
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How Do I Install and Use Spparks for Simulation?
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New 2D-Nanostructure Research: Latest Solid State Materials
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What Determines the Solidity and Texture of Objects?
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Books on adiabatic elimination
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Understanding the Clausius Clapeyron Relation: Explained Simply
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Hexagonal System 194 - crystallography
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What is the sealing mechanism of UHV view ports & electrical interconnects?
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Can BCS theory explain type-II superconductor?
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Can UV Light Be Converted into Visible Light?
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Why is Reciprocal Space Used in Crystallography?
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Magnetic Levitation: Design w/ Neodymium & Electric Magnets
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Electron speed and movement through a copper wire
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Why is the change in momentum of a crystal include reciprocal lattice vectors?
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Do charge carriers affect the total charge of a material in solid state physics?
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Good explanation for Soliton and Skyrmion?
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Understanding Band Theory: A Basic Guide
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The Case of Electronic structure of Liquid Metals
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Calculating Bandgaps Experimentally
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NaLaF4:Er3+ up-conversion spectrum in glass an ceramics
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The temp. dependent Specific heat and expansion coefficient of Cobalt?
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Electron Diffraction, and General X-Ray (EBSD- Kikuchi lines)
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Why isn't the frequency dependence of permittivity monotonic?
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Meissner effect and conservation of momentum in magnetic levitation
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Questions about the "weak link" of Josephson junction
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Tunneling Transmission Probability: DOS or Velocity?
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Why doesn't Graphene have a band gap?
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Excitation to optically forbidden state
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What happens when external magnetic field is applied to ferromagnetic materials?
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Can we have band gap anywhere?
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Schrodinger in a weak periodic potential
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Band Dispersion and Career Mobility
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(Bravais?) lattice with one angle equal 90
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Complete List of 230 Space Groups in CSV Format for Easy Access
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1 dimensional crystal at rest, a nucleus emits gamma ray of energy E,
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What's a general algorithm to build a supercell from a primitive cell?
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Caculating SAB overlap of two Kohn-Sham determinants
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Direction of Photo Electron Emission
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About Relaxation Time Approximation
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Difference between X-ray Diffraction techniques and Raman spectroscopy
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Volume of Brillouin zone is the same as Fourier primitive parallelepip
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Derivation of LLG equation in polar coordinates
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[PChem] Maxwell-Boltzmann Molecule Mean Speed
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Mössbauer effect at low T versus high T, making phonons.
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Why is there no current in a reversed biased diode?
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Delocalized holes and trapped holes (polarons)
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Relationship between phonon and plasmon
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X-ray Photoelectron Spin-orbit Splitting
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Where are the high symmetry points on a graphene band structure?
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Representing Continuous Space in a Computer: Managing Lattices and Accuracy
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Band structure of cobalt adsorbed graphene
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Determination of atomic bases in unit cell using Wien2k
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Can Brownian Motion Suspend Larger Particles in a Denser Fluid?
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Understanding Cell Volume: Why It's Independent of Choice
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Displacement energy of atom in a liquid (for ion implantation)
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Is Light Traveling Faster Than c in Materials with Index of Refraction Below 1?
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How does light behave when passing through glass or water?
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Helium Atomic Structure: Ionization Speed Compared to Air
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How does x-ray diffraction from different Bragg planes add up?
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P-N junction voltage under polarization
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Photon emission during x-Ray ionization process
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Integration of 6-12 Lennard Jones Potential to obtain the 3-9 one.
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Does a photon that has been absorbed still exist?
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Temperature dependence of the light yield in scintillators
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Understanding the Rule of Delta E = A/r^12 - B/r^6 in Physics Crystallography
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What Determines the Fermi Level of Semiconductors?
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Interaction of matter and radiation
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Must photons be absorbed or emitted one by one?
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XPS for different oxidation states
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