Atomic and Condensed Matter Forum

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.

Threads

Graduate A question about band structure silicene

  • anahita
  • · Replies 14 ·
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14

Graduate Problem with Fourier bessel transform of Yukawa potential

  • praban
  • · Replies 1 ·
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1

Graduate Average energy vs Energy of average

  • aihaike
  • · Replies 2 ·
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2

Graduate What are Valley Degrees of Freedom in Semiconductor Bands?

  • Benevito
  • · Replies 2 ·
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2

Graduate Lyapunov exponent -- Numerical calculations

  • LagrangeEuler
  • · Replies 5 ·
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5

Graduate How is the b term used in the van der Waals equation?

  • sgstudent
  • · Replies 18 ·
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18

Undergrad Electron Configuration of Filled Valence Electron Orbitals

  • Dong Aleta
  • · Replies 4 ·
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4

Undergrad Does the concept of hole current hold up in metals?

  • keerthana
  • · Replies 2 ·
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2

Graduate Does DOS depend on Temperature?

  • Diracmai
  • · Replies 4 ·
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4

Graduate Phonon Dispersion Relation: Reflection of Photons Explained

  • Goodver
  • · Replies 1 ·
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1

Graduate How Do Landau Levels Function in Solid State Band Theory?

  • taishizhiqiu
  • · Replies 1 ·
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1

Graduate What distinguishes a polaron from an electron?

  • csmallw
  • · Replies 3 ·
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3

Graduate Definition question about atomic fluorescence

  • td21
  • · Replies 2 ·
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2

Graduate Origin of number of bounds in ising model

  • Binvestigator
  • · Replies 2 ·
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2

Graduate A question about slater-koster approximation

  • anahita
  • · Replies 2 ·
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2

Graduate Explaining the Absence of Band Gaps in Superconductors

  • Edward888
  • · Replies 5 ·
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5

Graduate Ni-60 >>> Fe-56 + a (why not possible?)

  • karakele
  • · Replies 1 ·
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1

Graduate Question about spectral emission measurements of hydrogen

  • tpthorpejr
  • · Replies 1 ·
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1

Graduate A question about band structure silicene by tight binding

  • anahita
  • · Replies 3 ·
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3

Graduate Confused with the formation of Cooper pairs

  • paulzhen
  • · Replies 14 ·
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14

Graduate Dielectric function with band theory

  • taishizhiqiu
  • · Replies 3 ·
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3

Graduate The difference between order parameter and state parameter?

  • Diracmai
  • · Replies 3 ·
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3

Graduate Diffraction Question: 0 in 1st Place on Planes Normal to Beam

  • Coffee_
  • · Replies 16 ·
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16

Graduate What is the difference between monoclinic C and triclinic P lattices?

  • Coffee_
  • · Replies 1 ·
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1

Undergrad Can electricity in a superconductor make a magnetic field?

  • Alex299792458
  • · Replies 1 ·
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1

Graduate Thomas-Fermi Model: Comparison with Atomic Experiments

  • blue_leaf77
  • · Replies 2 ·
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2

Graduate Effect of TRS potential on Topological insulator (QSH)

  • mohsen2002
  • · Replies 4 ·
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4

Graduate Electron Configuration from Term Symbols in Lanthanides

  • HAYAO
  • · Replies 11 ·
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11

Graduate Math for identifying bosonic atoms

  • itssilva
  • · Replies 3 ·
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3

Graduate Charge Density Waves: Q1D Metals & Transition Causes

  • LagrangeEuler
  • · Replies 1 ·
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1

Graduate Laser output below, just above and way above threshold?

  • unscientific
  • · Replies 3 ·
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3

Graduate Thermionic Emission: Questions Explained

  • chimay
  • · Replies 6 ·
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6

Graduate Radiative exchange in an ultrafine dust

  • KarenRei
  • · Replies 10 ·
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10

Graduate Schottky junction solar cells

  • Sayani Ghosh
  • · Replies 1 ·
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1

Graduate Dipole Polarizabilities of Diatomic Molecules

  • sams
  • · Replies 8 ·
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8

Graduate Second quantisation formula (electron-phonon coupling)

  • peterprp
  • · Replies 2 ·
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2

Discover the Fascinating World of Smart Materials Engineering

  • yahia qu
  • · Replies 1 ·
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1

Undergrad Why Isn't a Lone Proton Considered a Magnetic Monopole?

  • jerromyjon
  • · Replies 4 ·
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4

Graduate Simple atomic unit conversion check

  • jjr
  • · Replies 2 ·
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2

Undergrad Calculate Si cohesive energy using VASP

  • elsafo
  • · Replies 1 ·
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1

Graduate Electronic Transition of Atoms

  • SANKET HAQUE
  • · Replies 2 ·
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2

Graduate Why is the volume of FCC and BCC different in reciprocal space?

  • unscientific
  • · Replies 1 ·
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1

Graduate Why do holes not contribute to conduction in metals?

  • Nate Wellington
  • · Replies 13 ·
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13

Graduate Difference between Superconductivity & Ballistic Conduction

  • NewtonApple
  • · Replies 1 ·
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1

Graduate Green's function and density of states

  • Karthiksrao
  • · Replies 1 ·
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1

Graduate Number of phonon modes possible

  • Wminus
  • · Replies 5 ·
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5

Graduate Optical phonons in fcc-lattice

  • johannes919
  • · Replies 8 ·
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8

Graduate Periodic Boundary Conditions proof

  • Wminus
  • · Replies 8 ·
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8

Graduate IR Spectoscopy - Photon Energies

  • Wminus
  • · Replies 1 ·
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1

Graduate Effective mass, Taylor's theorem

  • chimay
  • · Replies 12 ·
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12

Graduate Dispersion relation for diatomic linear chain.

  • Wminus
  • · Replies 10 ·
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10

Graduate Why is there reflection in 222 plane of Silicon?

  • unscientific
  • · Replies 3 ·
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3

Undergrad What makes the change of sign in Hall?

  • rogerk8
  • · Replies 7 ·
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7

Graduate Electron-hole gas density in different materials

  • Stanley514
  • · Replies 4 ·
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4

Graduate Interaction mechanisms of photons and electrons with matter

  • superduke1200
  • · Replies 14 ·
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14

Graduate Atoms as spheres in packing fraction of crystal lattice

  • spaghetti3451
  • · Replies 4 ·
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4

Graduate How Do Quantum Numbers Relate to Electron Count in Quantum Dots?

  • rwooduk
  • · Replies 3 ·
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3

Graduate Understanding the Debye Model for Solids: Masses and Springs

  • Wminus
  • · Replies 5 ·
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5

Graduate Non-Joulian Magnets: Why Do They Expand?

  • sanman
  • · Replies 2 ·
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2

Graduate What is the Atomic Mass of Deuterium According to Parthey's Measurements?

  • neilparker62
  • · Replies 5 ·
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5

Graduate What is the difference between a vacancy and a defect in a solid solution?

  • member 392791
  • · Replies 4 ·
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4

Graduate Wave packet description of electrons in solid state physics

  • taishizhiqiu
  • · Replies 1 ·
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1

Graduate Where does band index come from in block wave functions?

  • kayan
  • · Replies 1 ·
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1

Undergrad Intrinsic Carrier Concentration for Carbon

  • TuTuTuTuTu
  • · Replies 1 ·
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1

Graduate Discontinuous at horizontal axis, U and K points, in energy

  • Tana-ami
  • · Replies 1 ·
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1

Undergrad Length generated by all atoms contained in 1 gram of iron

  • joebox
  • · Replies 1 ·
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1

Graduate What is the role of degeneracies in the condition for optical gain?

  • James Brady
  • · Replies 2 ·
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2

Undergrad Electrostatic Force Between Proton and Neutron?

  • James Halliday
  • · Replies 1 ·
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1

Graduate Absorption in Indirect Bandgaps

  • pjcircle
  • · Replies 12 ·
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12

Graduate High and low energy photon absorption

  • Karim Habashy
  • · Replies 2 ·
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2

Graduate Wide bandgap semiconductor -- why higher temperature tolerance?

  • ceeeejay
  • · Replies 3 ·
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3

Undergrad Why is the conversion from eV to Kelvin so high?

  • Questions554
  • · Replies 4 ·
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4

Undergrad Lattice points and lattice basis

  • Kitten
  • · Replies 1 ·
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1

Graduate How does measurement time affect laser linewidth measurements?

  • anoegenetic
  • · Replies 2 ·
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2

Undergrad Questions about atoms: shells, attraction, elements

  • Robert P
  • · Replies 1 ·
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1

Graduate Why does corrected Maxwell Boltzmann have decimals?

  • cooev769
  • · Replies 2 ·
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2

Graduate Holstein Primakoff representation

  • LagrangeEuler
  • · Replies 1 ·
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1

Graduate YBCO Phonon Frequency: Hole Doping .2, 75-70°K @ 70°K

  • Strange_matter
  • · Replies 1 ·
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1

Graduate How can I derive the path integral using the Baker-Campbell-Hausdorff formula?

  • aaaa202
  • · Replies 1 ·
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1

Graduate Understanding Crystal Symmetries & Dielectrics

  • Seidhee
  • · Replies 3 ·
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3

Graduate List of Photon-Matter Interactions

  • Alexander83
  • · Replies 1 ·
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1

Graduate Quantum Hall Effect resistivity

  • rwooduk
  • · Replies 3 ·
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3

Graduate Definition of open boundary conditions

  • king vitamin
  • · Replies 3 ·
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3

Graduate Is it possible to get just one photon from just one atom?

  • thankz
  • · Replies 9 ·
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9

Graduate Is it possible to label the Debye temperature on a graph of

  • rwooduk
  • · Replies 4 ·
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4

Graduate Building a Non-Ideal HCP Lattice in MD Simulation

  • omidd
  • · Replies 1 ·
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1

Undergrad Question About Density: Can Something Harder than Osmium Exist?

  • Swami
  • · Replies 1 ·
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1

Graduate Allowed/Forbidden Transition Dipole Moments

  • sams
  • · Replies 5 ·
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5

Graduate Transition dipole -- Line shape function

  • Goodver
  • · Replies 1 ·
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1

Graduate How can an ultrashort pulse be detected?

  • Adel Makram
  • · Replies 3 ·
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3

Graduate Trying to relate nuclear physics to solid state (fermi gas)

  • rwooduk
  • · Replies 6 ·
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6

Graduate Change of sign on Green's functions (Maths problem)

  • gonadas91
  • · Replies 1 ·
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1

Graduate Why Does Feynman Use a Single Electron Charge for Dipole Calculations?

  • Seidhee
  • · Replies 7 ·
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7

Graduate What does this length represent?

  • unscientific
  • · Replies 7 ·
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7

Graduate Auger electrons vs secondary electrons

  • superduke1200
  • · Replies 24 ·
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24

Graduate Magnetic Dipole less than that of the Bohr Magneton

  • Tweej
  • · Replies 2 ·
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2

Graduate Stern-Gerlach experiment with electric field

  • superduke1200
  • · Replies 2 ·
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2

Graduate Does the Bragg equation hold for arbitrary diffractions?

  • Coffee_
  • · Replies 3 ·
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3

Graduate Complex Geometric Theories and Molecules

  • EuclidPhoton
  • · Replies 15 ·
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15

Graduate A question for helium energy transition

  • newforce
  • · Replies 4 ·
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4