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.
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Graduate calculating direction cosines for silicene band structure
- anahita
- · Replies 14 ·
Graduate Problem with Fourier bessel transform of Yukawa potential
- praban
- · Replies 1 ·
Graduate Average energy vs Energy of average
- aihaike
- · Replies 2 ·
Graduate What are Valley Degrees of Freedom in Semiconductor Bands?
- Benevito
- · Replies 2 ·
Graduate Lyapunov exponent -- Numerical calculations
- LagrangeEuler
- · Replies 5 ·
Graduate How is the b term used in the van der Waals equation?
- sgstudent
- · Replies 18 ·
Undergrad Electron Configuration of Filled Valence Electron Orbitals
- Dong Aleta
- · Replies 4 ·
Undergrad Does the concept of hole current hold up in metals?
- keerthana
- · Replies 2 ·
Graduate Does DOS depend on Temperature?
- Diracmai
- · Replies 4 ·
Graduate Why are 90% of photons reflected at optical phonon frequencies?
- Goodver
- · Replies 1 ·
Graduate How Do Landau Levels Function in Solid State Band Theory?
- taishizhiqiu
- · Replies 1 ·
Graduate What distinguishes a polaron from an electron?
- csmallw
- · Replies 3 ·
Graduate Does atomic fluorescence require spontaneous emission and magnetic quantum number changes?
- td21
- · Replies 2 ·
Graduate Origin of number of bounds in ising model
- Binvestigator
- · Replies 2 ·
Graduate A question about slater-koster approximation
- anahita
- · Replies 2 ·
Graduate Why do superconductors have no band gap if electrons are fermions?
- Edward888
- · Replies 5 ·
Graduate Ni-60 >>> Fe-56 + a (why not possible?)
- karakele
- · Replies 1 ·
Graduate Pressure ranges for hydrogen emission spectroscopy of H and H2
- tpthorpejr
- · Replies 1 ·
Graduate Plotting band structure of silicene along K→Γ→M→K using tight binding
- anahita
- · Replies 3 ·
Graduate How can Cooper pair electrons have opposite momenta yet move together?
- paulzhen
- · Replies 14 ·
Graduate Dielectric function with band theory
- taishizhiqiu
- · Replies 3 ·
Graduate The difference between order parameter and state parameter?
- Diracmai
- · Replies 3 ·
Graduate Why does diffraction occur from planes parallel to the incident beam?
- Coffee_
- · Replies 16 ·
Graduate What is the difference between monoclinic C and triclinic P lattices?
- Coffee_
- · Replies 1 ·
Undergrad Can electricity in a superconductor make a magnetic field?
- Alex299792458
- · Replies 1 ·
Graduate Thomas-Fermi Model: Comparison with Atomic Experiments
- blue_leaf77
- · Replies 2 ·
Graduate Effect of TRS potential on Topological insulator (QSH)
- mohsen2002
- · Replies 4 ·
Graduate Electron Configuration from Term Symbols in Lanthanides
- HAYAO
- · Replies 11 ·
Graduate Math for identifying bosonic atoms
- itssilva
- · Replies 3 ·
Graduate Why do charge density waves occur in quasi-1D metals?
- LagrangeEuler
- · Replies 1 ·
Graduate Laser output below, just above and way above threshold?
- unscientific
- · Replies 3 ·
Graduate Thermionic emission current density derivation
- chimay
- · Replies 6 ·
Graduate Radiative exchange in an ultrafine dust
- KarenRei
- · Replies 10 ·
Graduate Schottky junction solar cells
- Sayani Ghosh
- · Replies 1 ·
Graduate Dipole Polarizabilities of Diatomic Molecules
- sams
- · Replies 8 ·
Graduate Second quantisation formula (electron-phonon coupling)
- peterprp
- · Replies 2 ·
Smart materials engineering
- yahia qu
- · Replies 1 ·
Undergrad Why Isn't a Lone Proton Considered a Magnetic Monopole?
- jerromyjon
- · Replies 4 ·
Graduate Simple atomic unit conversion check
- jjr
- · Replies 2 ·
Undergrad Calculate Si cohesive energy using VASP
- elsafo
- · Replies 1 ·
Graduate Electronic Transition of Atoms
- SANKET HAQUE
- · Replies 2 ·
Graduate Why is the volume of FCC and BCC different in reciprocal space?
- unscientific
- · Replies 1 ·
Graduate Why do holes not contribute to conduction in metals?
- Nate Wellington
- · Replies 13 ·
Graduate Why ballistic conduction differs from superconductivity
- NewtonApple
- · Replies 1 ·
Graduate Green's function and density of states
- Karthiksrao
- · Replies 1 ·
Graduate Number of phonon modes possible
- Wminus
- · Replies 5 ·
Graduate Optical phonons in fcc-lattice
- johannes919
- · Replies 8 ·
Graduate Periodic Boundary Conditions proof
- Wminus
- · Replies 8 ·
Graduate IR Spectoscopy - Photon Energies
- Wminus
- · Replies 1 ·
Graduate Effective mass, Taylor's theorem
- chimay
- · Replies 12 ·
Graduate Dispersion relation for diatomic linear chain.
- Wminus
- · Replies 10 ·
Graduate Why is there reflection in 222 plane of Silicon?
- unscientific
- · Replies 3 ·
Undergrad Why does the Hall coefficient change sign between copper and zinc?
- rogerk8
- · Replies 7 ·
Graduate Electron-hole gas density in different materials
- Stanley514
- · Replies 4 ·
Graduate Interaction mechanisms of photons and electrons with matter
- superduke1200
- · Replies 14 ·
Graduate Atoms as spheres in packing fraction of crystal lattice
- spaghetti3451
- · Replies 4 ·
Graduate How Do Quantum Numbers Relate to Electron Count in Quantum Dots?
- rwooduk
- · Replies 3 ·
Graduate Why does the Debye model approximate the dispersion relation as linear?
- Wminus
- · Replies 5 ·
Graduate Non-Joulian Magnets: Why Do They Expand?
- sanman
- · Replies 2 ·
Graduate What is the Atomic Mass of Deuterium According to Parthey's Measurements?
- neilparker62
- · Replies 5 ·
Graduate What is the difference between a vacancy and a defect in a solid solution?
- member 392791
- · Replies 4 ·
Graduate Wave packet description of electrons in solid state physics
- taishizhiqiu
- · Replies 1 ·
Graduate Where does band index come from in block wave functions?
- kayan
- · Replies 1 ·
Undergrad Intrinsic Carrier Concentration for Carbon
- TuTuTuTuTu
- · Replies 1 ·
Graduate Discontinuous at horizontal axis, U and K points, in energy
- Tana-ami
- · Replies 1 ·
Undergrad Length generated by all atoms contained in 1 gram of iron
- joebox
- · Replies 1 ·
Graduate What is the role of degeneracies in the condition for optical gain?
- James Brady
- · Replies 2 ·
Undergrad Electrostatic Force Between Proton and Neutron?
- James Halliday
- · Replies 1 ·
Graduate Absorption in Indirect Bandgaps
- pjcircle
- · Replies 12 ·
Graduate High and low energy photon absorption
- Karim Habashy
- · Replies 2 ·
Graduate Wide bandgap semiconductor -- why higher temperature tolerance?
- ceeeejay
- · Replies 3 ·
Undergrad Why is the conversion from eV to Kelvin so high?
- Questions554
- · Replies 4 ·
Undergrad Lattice points and lattice basis
- Kitten
- · Replies 1 ·
Graduate How does measurement time affect laser linewidth measurements?
- anoegenetic
- · Replies 2 ·
Undergrad Questions about atoms: shells, attraction, elements
- Robert P
- · Replies 1 ·
Graduate Why does corrected Maxwell Boltzmann have decimals?
- cooev769
- · Replies 2 ·
Graduate Holstein Primakoff representation
- LagrangeEuler
- · Replies 1 ·
Graduate YBCO Phonon Frequency: Hole Doping .2, 75-70°K @ 70°K
- Strange_matter
- · Replies 1 ·
Graduate How can I derive the path integral using the Baker-Campbell-Hausdorff formula?
- aaaa202
- · Replies 1 ·
Graduate Why are cubic crystals necessarily rotationally invariant dielectrics?
- Seidhee
- · Replies 3 ·
Graduate List of Photon-Matter Interactions
- Alexander83
- · Replies 1 ·
Graduate Quantum Hall Effect resistivity
- rwooduk
- · Replies 3 ·
Graduate Definition of open boundary conditions
- king vitamin
- · Replies 3 ·
Graduate Is it possible to get just one photon from just one atom?
- thankz
- · Replies 9 ·
Graduate Is it possible to label the Debye temperature on a graph of
- rwooduk
- · Replies 4 ·
Graduate Building a Non-Ideal HCP Lattice in MD Simulation
- omidd
- · Replies 1 ·
Undergrad Can something denser and harder than osmium exist?
- Swami
- · Replies 1 ·
Graduate Allowed/Forbidden Transition Dipole Moments
- sams
- · Replies 5 ·
Graduate Transition dipole -- Line shape function
- Goodver
- · Replies 1 ·
Graduate How can an ultrashort pulse be detected?
- Adel Makram
- · Replies 3 ·
Graduate Trying to relate nuclear physics to solid state (fermi gas)
- rwooduk
- · Replies 6 ·
Graduate Change of sign on Green's functions (Maths problem)
- gonadas91
- · Replies 1 ·
Graduate Why Does Feynman Use a Single Electron Charge for Dipole Calculations?
- Seidhee
- · Replies 7 ·
Graduate What does this length represent?
- unscientific
- · Replies 7 ·
Graduate Auger electrons vs secondary electrons
- superduke1200
- · Replies 24 ·
Graduate Magnetic Dipole less than that of the Bohr Magneton
- Tweej
- · Replies 2 ·
Graduate Stern-Gerlach experiment with electric field
- superduke1200
- · Replies 2 ·
Graduate Does the Bragg equation hold for arbitrary diffractions?
- Coffee_
- · Replies 3 ·
Graduate Complex Geometric Theories and Molecules
- EuclidPhoton
- · Replies 15 ·
Graduate A question for helium energy transition
- newforce
- · Replies 4 ·