Atomic and Condensed Matter Forum

Post thread
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.
Graduate Definition question about atomic fluorescence
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Origin of number of bounds in ising model
  • · Replies 2 ·
Replies
2
Views
2K
Graduate A question about slater-koster approximation
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Explaining the Absence of Band Gaps in Superconductors
  • · Replies 5 ·
Replies
5
Views
7K
Graduate Ni-60 >>> Fe-56 + a (why not possible?)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Question about spectral emission measurements of hydrogen
  • · Replies 1 ·
Replies
1
Views
1K
Graduate A question about band structure silicene by tight binding
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Confused with the formation of Cooper pairs
  • · Replies 14 ·
Replies
14
Views
6K
Graduate Dielectric function with band theory
  • · Replies 3 ·
Replies
3
Views
2K
Graduate The difference between order parameter and state parameter?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Diffraction Question: 0 in 1st Place on Planes Normal to Beam
  • · Replies 16 ·
Replies
16
Views
2K
Graduate What is the difference between monoclinic C and triclinic P lattices?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Can electricity in a superconductor make a magnetic field?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Thomas-Fermi Model: Comparison with Atomic Experiments
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Effect of TRS potential on Topological insulator (QSH)
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Electron Configuration from Term Symbols in Lanthanides
  • · Replies 11 ·
Replies
11
Views
11K
Graduate Math for identifying bosonic atoms
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Charge Density Waves: Q1D Metals & Transition Causes
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Laser output below, just above and way above threshold?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Thermionic Emission: Questions Explained
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Radiative exchange in an ultrafine dust
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Schottky junction solar cells
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Dipole Polarizabilities of Diatomic Molecules
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Second quantisation formula (electron-phonon coupling)
  • · Replies 2 ·
Replies
2
Views
1K
Discover the Fascinating World of Smart Materials Engineering
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Why Isn't a Lone Proton Considered a Magnetic Monopole?
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Simple atomic unit conversion check
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Calculate Si cohesive energy using VASP
  • · Replies 1 ·
Replies
1
Views
8K
Graduate Electronic Transition of Atoms
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Why is the volume of FCC and BCC different in reciprocal space?
  • · Replies 1 ·
Replies
1
Views
31K
Graduate Why do holes not contribute to conduction in metals?
  • · Replies 13 ·
Replies
13
Views
13K
Graduate Difference between Superconductivity & Ballistic Conduction
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Green's function and density of states
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Number of phonon modes possible
  • · Replies 5 ·
Replies
5
Views
8K
Graduate Optical phonons in fcc-lattice
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Periodic Boundary Conditions proof
  • · Replies 8 ·
Replies
8
Views
3K
Graduate IR Spectoscopy - Photon Energies
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Effective mass, Taylor's theorem
  • · Replies 12 ·
Replies
12
Views
2K
Graduate Dispersion relation for diatomic linear chain.
  • · Replies 10 ·
Replies
10
Views
10K
Graduate Why is there reflection in 222 plane of Silicon?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What makes the change of sign in Hall?
  • · Replies 7 ·
Replies
7
Views
11K
Graduate Electron-hole gas density in different materials
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Interaction mechanisms of photons and electrons with matter
  • · Replies 14 ·
Replies
14
Views
3K
Graduate Atoms as spheres in packing fraction of crystal lattice
  • · Replies 4 ·
Replies
4
Views
2K
Graduate How Do Quantum Numbers Relate to Electron Count in Quantum Dots?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Understanding the Debye Model for Solids: Masses and Springs
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Non-Joulian Magnets: Why Do They Expand?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What is the Atomic Mass of Deuterium According to Parthey's Measurements?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate What is the difference between a vacancy and a defect in a solid solution?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Wave packet description of electrons in solid state physics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Where does band index come from in block wave functions?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Intrinsic Carrier Concentration for Carbon
  • · Replies 1 ·
Replies
1
Views
6K
Graduate Discontinuous at horizontal axis, U and K points, in energy
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Length generated by all atoms contained in 1 gram of iron
  • · Replies 1 ·
Replies
1
Views
1K
Graduate What is the role of degeneracies in the condition for optical gain?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Electrostatic Force Between Proton and Neutron?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Absorption in Indirect Bandgaps
  • · Replies 12 ·
Replies
12
Views
3K
Graduate High and low energy photon absorption
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Wide bandgap semiconductor -- why higher temperature tolerance?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Why is the conversion from eV to Kelvin so high?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Lattice points and lattice basis
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How does measurement time affect laser linewidth measurements?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Questions about atoms: shells, attraction, elements
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Why does corrected Maxwell Boltzmann have decimals?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Holstein Primakoff representation
  • · Replies 1 ·
Replies
1
Views
2K
Graduate YBCO Phonon Frequency: Hole Doping .2, 75-70°K @ 70°K
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How can I derive the path integral using the Baker-Campbell-Hausdorff formula?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Understanding Crystal Symmetries & Dielectrics
  • · Replies 3 ·
Replies
3
Views
2K
Graduate List of Photon-Matter Interactions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Quantum Hall Effect resistivity
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Definition of open boundary conditions
  • · Replies 3 ·
Replies
3
Views
13K
Graduate Is it possible to get just one photon from just one atom?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Is it possible to label the Debye temperature on a graph of
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Building a Non-Ideal HCP Lattice in MD Simulation
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Question About Density: Can Something Harder than Osmium Exist?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Allowed/Forbidden Transition Dipole Moments
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Transition dipole -- Line shape function
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How can an ultrashort pulse be detected?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Trying to relate nuclear physics to solid state (fermi gas)
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Change of sign on Green's functions (Maths problem)
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Why Does Feynman Use a Single Electron Charge for Dipole Calculations?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate What does this length represent?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Auger electrons vs secondary electrons
  • · Replies 24 ·
Replies
24
Views
13K
Graduate Magnetic Dipole less than that of the Bohr Magneton
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Stern-Gerlach experiment with electric field
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Does the Bragg equation hold for arbitrary diffractions?
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Complex Geometric Theories and Molecules
  • · Replies 15 ·
Replies
15
Views
2K
Graduate A question for helium energy transition
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Why Does Feynman Use a Single Electron Charge in Dipole Calculations?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Why Cannot I Factorize the Partition Function?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Degrees of freedom of diatomic gas
  • · Replies 6 ·
Replies
6
Views
9K
Graduate Tight binding dispersion for graphene
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How does annealing improves the ohmic contact?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Electrons in Metal: Wave-Particle Duality
  • · Replies 8 ·
Replies
8
Views
2K
High School The structure of carbon graphite
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Understanding FWHM in XRD Analysis of Powder Patterns
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Measurement of Hydrogen 1s 4s transition frequency
  • · Replies 9 ·
Replies
9
Views
3K
Graduate What is the meaning of a fully occupied state in the Fermi-Dirac distribution?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Field effect transistors question
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Is this a eureka moment? .how do we know atoms exist?
  • · Replies 28 ·
Replies
28
Views
3K