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.
Graduate Lennard Jones- reduced units
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Undergrad Energy required for creation of photoelectron
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Undergrad What is off resonance rapi frequency?
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Graduate How to calculate the band structure?
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High School Determining atomic radius at home
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Graduate Wave eqtion of electron in a periodic potential
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Graduate Spin orientation by optical technique
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High School What does He-Like or Ni-Like mean?
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High School The forces in an atomic nucleus
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Graduate Graph of potential energy versus internucleon distance in an atom
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Undergrad Drift speed of electrons and holes in semiconductors
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Graduate Space groups derivation (Schoenflies)
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Undergrad Elastic deformation of a solid body & heat
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Graduate How to experimentally determine whether have adirect or indirect semiconductor?
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Graduate Proof that the n brillouin zones are of equal areas?
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Graduate Large Static E Field, Dielectric Break Down, Quantum View
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Graduate Band gap - violation of principle of least energy?
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Undergrad Lithium Gas: Solid to Gas Conversion Processes?
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Graduate Hamiltonian of a metal lattice
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Graduate What is Spin Temperature? - Definition & Explanation
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Undergrad Understanding Molecule Theory: Tips and Tricks for Hands-On Physics Enthusiasts
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Graduate Why Does Electron Flow Differ in Direction at a Metal-Semiconductor Junction?
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Graduate Fermi Dirac distribution function
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Undergrad Water O-H Bond Length: Evidence & Measurement
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Graduate Broken symmetry, superconductivity and all that
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Graduate Vanishing fermi level and cut off value in self energy
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Undergrad Effect of electric field on water
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Graduate How Does the Fermi Level Influence Solar Cell Voltage?
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Graduate Laser: Second harmonic generation
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Graduate Understanding the Strain Tensor Component: Physical Meaning of d'_{ijk}E_{k}
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Undergrad Capacitance of a forward biased diode
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Undergrad How to calculate lattice parameters?
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Graduate Calculating Phonon Self Energy for Electron-Phonon Interaction in Graphene
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Graduate Crystal field effect on level splitting
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Graduate A question about the Inglis-Teller limit?
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Graduate Calculate Transmission & Concentration Using Beer-Lambert Law
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Graduate Effect of Compression on Fermi Energy.
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Graduate How do electrons in tungsten atoms produce X-rays?
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Graduate Understanding Coherence in Laser Light Emission
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Graduate Relationship between Electron Momentum and Fermi Momentum
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Undergrad Why Can't We Pass Through Solid Objects if Atoms Are Mostly Empty Space?
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Graduate Free Electron Model: Success & Metallic Density of States
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High School What is atomic concentration and how can it be found for different elements?
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Undergrad Coulomb's Explosion: Macroscopic Level?
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Graduate Some questions on properties of superconductors
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Graduate What are the best resources for understanding MO and LCAO in quantum chemistry?
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Graduate Fine Structure Effects: Physical Interpretation
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Graduate Analysis of Lorentz Force in Semiconductor
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Graduate Energy Bands and Brillouin Zones
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Graduate Main Applications of ARPES today?
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Graduate Difference between 1D lattice and 2D lattice on BEC
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Graduate How are emission spectra of gases affected by being in water?
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Graduate Phi (1.6) Found at Quantum Level: Major Breakthrough?
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Undergrad What is Phonon Replica? A Brief Explanation
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Undergrad Photoluminescence vs Absorption
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Graduate Calculating the Bohr radius or velocity of an excitons
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Graduate Partition Function for Phonons
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Undergrad Understanding Effective Mass in Solid State Physics
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Graduate Justification of Molecular Dynamics (MD)
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Graduate Material with net angular momentum (not just a magnet)
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Graduate Energy spectrum from dispersion relation E(k)
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Undergrad Current limitation through multijunction solar cell
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Graduate How Do Inert Gases Form Crystals According to Charles Kittel?
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Graduate Laser: CW-oscillation in a 3-level laser
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Graduate Metals with what type of crystal lattice less prone to brittle fracture?
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Graduate Do you know the meaning of the Zero phonon or phonon-assisted?
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Undergrad Methods for determination of structure of solid?
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Graduate What actually are electron holes?
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Graduate Thermal expansion (anharmonic effect)
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Graduate Numerical evaluation of Sommerfeld Integral
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Graduate How Do I Calculate the Dynamical Matrix for a Crystal with a Pair Potential?
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Graduate Difference b/w excited state and metastable excited sate?
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Graduate Surface Greens' function in coherent transport calculations
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Undergrad Superconductivity: difference between s-wave and d-wave
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Graduate Does the superconductivity-Meissner effect break electromagnetic symmetry?
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Graduate Rotational spectrum - equidistance
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Undergrad STM Questions: Graphite Surface Reconstruction
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Graduate LLG Equation + Spin Torque, A simple derivation
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Graduate D-dimensional density of states and specific heats (phonons and electrons)
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Graduate How Does Screening Work in a Metal with a Background Charge Density?
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Graduate Band structure and fermi liquid
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Graduate How Do Ashcroft and Mermin Derive the Cyclotron Effective Mass Expression?
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Undergrad Interplanar spacing d using braggs law
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Undergrad Is color added to SEM and TEM images in post-processing?
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Undergrad Can a 1 kilometer giant straw function like a regular straw?
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Graduate Langevin dynamics random force term generation algorithm
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Undergrad Does the smallest unit of matter possess depth or space?
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Graduate Helium 3 and Artificial Creation of Isotopes
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Graduate Can the Plasmon Frequency in Metals Be Changed Experimentally?
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Graduate Applying Ising Model to High Temp Superconductors
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Graduate Lorentz Cavity in Uniformly Polarised Dielectric: Exam Question
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Undergrad Depletion depth in a PIN diode
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Graduate Energy of 3D free electron gas.
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Graduate Matsubara frequency convergency factor
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Graduate Explaining electrical resistivity behaviour from phonon perspective
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Graduate What is the Density of States (DOS) for Metallic Carbon Nanotubes?
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Undergrad Ionization vs. photo-generation - what is the difference?
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Graduate Crystal field theory, what is spin?
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Graduate Subatomic Reversibility of Time?
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High School What is the meaning of Vbe and Vce in a transistor amplifier?
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