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.
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Insights Intro to the Ionization Energy of Atomic Hydrogen
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Insights Revisiting The Deuterium Lyman Alpha Line Experiment
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Insights Signature of the Sun: Analyzing the Solar Balmer Series Lines
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Graduate Unexpected irregular reflection signal from a high-finesse cavity
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Graduate Momentum density of silicon valence band using bandstructure
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Graduate Monte Carlo simulation for the classical isotropic 3D Heisenberg model
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Undergrad Time rondeau crystals, experimental observations
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Graduate Wave properties of a phonon
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Graduate Does direct/indirect band gap occur in solids other than semiconductors?
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Graduate Can't find eigenvalues for s-wave superconductor
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Graduate Ion trap inside a microwave cavity
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Graduate Stability of persistent currents in superconductors regardless of temperature
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Undergrad Instantaneous dipole moment and orbitals
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765
Undergrad Conversion of a .sle file to VAMAS file to analyse XPS Data in CasaXPS
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830
Undergrad Lennard-Jones potential and interatomic distance
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Undergrad Is this Lennard Jones potential image wrong on the Wikipedia Italian page?
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Graduate Gas sensing using VASP software (computational physics)
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Undergrad Could anyone give me a step by step guide to using VASP for DFT calculations?
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618
Undergrad Total spin from atomic spectroscopy term symbols, e.g. neon's excited states
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Graduate Need guidance for using and understanding NuShellX
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Undergrad How does the electron come back down in energy level after absorbing a photon?
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Undergrad The relationship between atoms and the Universe
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Undergrad The relationship between the matter, energy, time and space of atoms
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High School Nature Reports That Physicists Turn Lead into Gold
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High School Covalent bonds in diamond
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Graduate Bending Salt Crystals (xray monochromator)
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Graduate Confused about noise power spectral density measurement
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Graduate Power spectral density of a laser's frequency noise
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Undergrad Doing a measurement on a object
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High School How does lattice vibration affect electron mobility in semiconductor?
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Graduate Polarisation rotation in Rb vapour cell due to laser light with sweeping frequency
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Undergrad Is there action at a distance at the atomic level in physics?
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High School Why did Rutherford conclude the atom was mostly empty space?
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Graduate Interference pattern for a laser beam through an AOM
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Graduate Secondary electron in SEM
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Graduate Reproducibility in condensed matter
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Undergrad Source of the damping force in Lorentz model
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Graduate Question about the EOM used for PDH locking
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Graduate Photon absorption influenced by semiconductor doping?
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Graduate How to practically perform first-principles calculations on Li-ion batteries?
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Undergrad PV cell: understanding electron movement in the conduction band
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Graduate The risk of a superconducting cable exploding
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Undergrad Berry phase in the Brillouin zone
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Undergrad Condensed vs. degenerate matter?
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Undergrad Calculating D-Spacings in a Monoclinic Cell
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Undergrad Direct Gibbs energy calculation from molecular dynamics
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Undergrad Questions About Reciprocal Lattice Edge Length
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Graduate How to calculate potential difference using Poisson's eq?
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Graduate Two-level system in a thermal bath
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Undergrad Angular stability of a Fabry–Pérot cavity
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Undergrad What Are the Implications of Discovering Semi-Dirac Fermions in ZrSiS?
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Undergrad Is it theoretically even possible to operate a superconductor at 25C?
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Graduate Confused about the Purcell effect in a cavity
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Undergrad Alternative materials in high temperature superconductors
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Undergrad Why are the crystallographic direction indices u,v, and w?
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Graduate Physical interpretation of hopping between orthogonal orbitals
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Graduate Liouville space and nonlinear optical spectrosopy -- deriving the the second order nonlinear optical signal
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Graduate Translation-invariant systems and binary functions of spatial variables
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Undergrad Laser and excited state linewidths in Rabi oscillations
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Graduate Optical response of In_xGa_1-xAs pin detector
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Undergrad Equipment for simple spectrometer
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Graduate Rayleigh vs Raman scattering for low saturation
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Graduate Confused about selection rules in optical transitions
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High School PV cell charge separation by an external electric field
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Undergrad Creep mechanism (thermal and irradiation induced/enhanced) and embrittlement in fcc and bcc
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Undergrad Hysteresis of a Compressed Solid
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Undergrad Effect of fast-neutron irradiation on the tensile properties of steels
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Undergrad Can a cloud of electrons be stabilized by interactions between them?
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Graduate Free carrier density and the electron momentum relaxation time
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Undergrad Calculation of absorption edges of Niobium
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Graduate Lyman-Series: calculating the nuclear mass of an isotope
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Undergrad Frank Condon factors in molecules
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Graduate Band Structure in solids versus Superconductivity
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Undergrad Raman spectroscopy calculations
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Graduate Higher Ionization Energies Germanium
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Graduate Problem using Gutzwiller-RVB theory for high-temperature superconductivity
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Undergrad Gap Equations Plotting Error in Python: Need Help Debugging
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Graduate Bulk and Slab electronic structure differences
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Graduate How Do You Solve Harper's Equation in Quantum Mechanics?
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Undergrad Latest explanation for "stability of high multiplicity states"
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Graduate How to do Convergent-Close Coupling (CCC)
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Graduate Anyone knows the slow light in EIT？
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Graduate Transition frequency -> Rydberg oxygen atoms
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Graduate Is Chern number exactly an integer of half-integer?
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Graduate Coercive field in ferroelectrics perovskites
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Graduate Flash memory and electron tunneling
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Graduate How can I calculate spin Hall conductivity for a 4*4 Hamiltonian?
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Undergrad Hall effect in P-type semiconductors: electron-centric heuristic?
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Undergrad Insulator band gap and applied voltage?
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Graduate Cavity locking using Lockin+PID technique
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Graduate Question about cgs vs SI units in the context of the Debye Length
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Graduate Looking for study group to hack on basic theory in condensed matter
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Graduate Function to fit the light transmitted from a cavity
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Undergrad Hartree-Fock: Feynman diagrams vs perturbation theory
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Graduate Question about PDH locking a cavity
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Undergrad Optical Tweezer Laser Focus/Alignment Troubleshooting
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Graduate Muonic hydrogen dissociation energy and cross-section
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Undergrad Experiment on the variation of weight with temperature
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High School How Fast Do Different Atoms Vibrate?
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Graduate Information for nitrogen spectra lines
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Undergrad Understanding Ewald's sphere in the context of X-Ray diffraction
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Undergrad Why diode with larger band gap has larger onset potential?
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Undergrad On the necessary conditions to form the hydrogen molecule
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