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.
  • Sticky
Insights Intro to the Ionization Energy of Atomic Hydrogen
  • · Replies 2 ·
Replies
2
Views
10K
  • Sticky
Insights Revisiting The Deuterium Lyman Alpha Line Experiment
  • · Replies 0 ·
Replies
0
Views
7K
  • Sticky
Insights Signature of the Sun: Analyzing the Solar Balmer Series Lines
  • · Replies 2 ·
Replies
2
Views
7K
Graduate Unexpected irregular reflection signal from a high-finesse cavity
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Momentum density of silicon valence band using bandstructure
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Monte Carlo simulation for the classical isotropic 3D Heisenberg model
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Time rondeau crystals, experimental observations
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Wave properties of a phonon
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Does direct/indirect band gap occur in solids other than semiconductors?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Can't find eigenvalues for s-wave superconductor
  • · Replies 1 ·
Replies
1
Views
757
Graduate Ion trap inside a microwave cavity
  • · Replies 0 ·
Replies
0
Views
893
Graduate Stability of persistent currents in superconductors regardless of temperature
  • · Replies 77 ·
3
Replies
77
Views
5K
Undergrad Instantaneous dipole moment and orbitals
  • · Replies 2 ·
Replies
2
Views
809
Undergrad Conversion of a .sle file to VAMAS file to analyse XPS Data in CasaXPS
  • · Replies 1 ·
Replies
1
Views
876
Undergrad Lennard-Jones potential and interatomic distance
  • · Replies 3 ·
Replies
3
Views
842
Undergrad Is this Lennard Jones potential image wrong on the Wikipedia Italian page?
  • · Replies 1 ·
Replies
1
Views
704
Graduate Gas sensing using VASP software (computational physics)
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Could anyone give me a step by step guide to using VASP for DFT calculations?
  • · Replies 3 ·
Replies
3
Views
661
Undergrad Total spin from atomic spectroscopy term symbols, e.g. neon's excited states
  • · Replies 0 ·
Replies
0
Views
613
Graduate Need guidance for using and understanding NuShellX
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad How does the electron come back down in energy level after absorbing a photon?
  • · Replies 37 ·
2
Replies
37
Views
6K
Undergrad The relationship between atoms and the Universe
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad The relationship between the matter, energy, time and space of atoms
  • · Replies 7 ·
Replies
7
Views
2K
High School Nature Reports That Physicists Turn Lead into Gold
  • · Replies 12 ·
Replies
12
Views
3K
High School Covalent bonds in diamond
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Bending Salt Crystals (xray monochromator)
  • · Replies 0 ·
Replies
0
Views
1K
Graduate Confused about noise power spectral density measurement
  • · Replies 0 ·
Replies
0
Views
2K
Graduate Power spectral density of a laser's frequency noise
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Doing a measurement on a object
  • · Replies 3 ·
Replies
3
Views
2K
High School How does lattice vibration affect electron mobility in semiconductor?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Polarisation rotation in Rb vapour cell due to laser light with sweeping frequency
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Is there action at a distance at the atomic level in physics?
  • · Replies 8 ·
Replies
8
Views
2K
High School Why did Rutherford conclude the atom was mostly empty space?
  • · Replies 27 ·
Replies
27
Views
2K
Graduate Interference pattern for a laser beam through an AOM
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Secondary electron in SEM
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Reproducibility in condensed matter
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Source of the damping force in Lorentz model
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Question about the EOM used for PDH locking
  • · Replies 0 ·
Replies
0
Views
2K
Graduate Photon absorption influenced by semiconductor doping?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate How to practically perform first-principles calculations on Li-ion batteries?
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad PV cell: understanding electron movement in the conduction band
  • · Replies 24 ·
Replies
24
Views
3K
Graduate The risk of a superconducting cable exploding
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Berry phase in the Brillouin zone
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Condensed vs. degenerate matter?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Calculating D-Spacings in a Monoclinic Cell
  • · Replies 7 ·
Replies
7
Views
7K
Undergrad Direct Gibbs energy calculation from molecular dynamics
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Questions About Reciprocal Lattice Edge Length
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How to calculate potential difference using Poisson's eq?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Two-level system in a thermal bath
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad Angular stability of a Fabry–Pérot cavity
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What Are the Implications of Discovering Semi-Dirac Fermions in ZrSiS?
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad Is it theoretically even possible to operate a superconductor at 25C?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Confused about the Purcell effect in a cavity
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Alternative materials in high temperature superconductors
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Why are the crystallographic direction indices u,v, and w?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Physical interpretation of hopping between orthogonal orbitals
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Liouville space and nonlinear optical spectrosopy -- deriving the the second order nonlinear optical signal
  • · Replies 0 ·
Replies
0
Views
2K
Graduate Translation-invariant systems and binary functions of spatial variables
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Laser and excited state linewidths in Rabi oscillations
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Optical response of In_xGa_1-xAs pin detector
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad Equipment for simple spectrometer
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Rayleigh vs Raman scattering for low saturation
  • · Replies 0 ·
Replies
0
Views
2K
Graduate Confused about selection rules in optical transitions
  • · Replies 0 ·
Replies
0
Views
2K
High School PV cell charge separation by an external electric field
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Creep mechanism (thermal and irradiation induced/enhanced) and embrittlement in fcc and bcc
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Hysteresis of a Compressed Solid
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Effect of fast-neutron irradiation on the tensile properties of steels
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can a cloud of electrons be stabilized by interactions between them?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Free carrier density and the electron momentum relaxation time
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculation of absorption edges of Niobium
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Lyman-Series: calculating the nuclear mass of an isotope
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Frank Condon factors in molecules
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Band Structure in solids versus Superconductivity
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Raman spectroscopy calculations
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Higher Ionization Energies Germanium
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Problem using Gutzwiller-RVB theory for high-temperature superconductivity
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad Gap Equations Plotting Error in Python: Need Help Debugging
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Bulk and Slab electronic structure differences
  • · Replies 6 ·
Replies
6
Views
4K
Graduate How Do You Solve Harper's Equation in Quantum Mechanics?
  • · Replies 4 ·
Replies
4
Views
8K
Undergrad Latest explanation for "stability of high multiplicity states"
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How to do Convergent-Close Coupling (CCC)
  • · Replies 0 ·
Replies
0
Views
3K
Graduate Anyone knows the slow light in EIT？
  • · Replies 0 ·
Replies
0
Views
3K
Graduate Transition frequency -> Rydberg oxygen atoms
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Is Chern number exactly an integer of half-integer?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Coercive field in ferroelectrics perovskites
  • · Replies 0 ·
Replies
0
Views
3K
Graduate Flash memory and electron tunneling
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How can I calculate spin Hall conductivity for a 4*4 Hamiltonian?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Hall effect in P-type semiconductors: electron-centric heuristic?
  • · Replies 0 ·
Replies
0
Views
3K
Undergrad Insulator band gap and applied voltage?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Cavity locking using Lockin+PID technique
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Question about cgs vs SI units in the context of the Debye Length
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Looking for study group to hack on basic theory in condensed matter
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Function to fit the light transmitted from a cavity
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Hartree-Fock: Feynman diagrams vs perturbation theory
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Question about PDH locking a cavity
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Optical Tweezer Laser Focus/Alignment Troubleshooting
  • · Replies 0 ·
Replies
0
Views
3K
Graduate Muonic hydrogen dissociation energy and cross-section
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Experiment on the variation of weight with temperature
  • · Replies 20 ·
Replies
20
Views
4K
High School How Fast Do Different Atoms Vibrate?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Information for nitrogen spectra lines
  • · Replies 0 ·
Replies
0
Views
3K
Undergrad Understanding Ewald's sphere in the context of X-Ray diffraction
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Why diode with larger band gap has larger onset potential?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad On the necessary conditions to form the hydrogen molecule
  • · Replies 33 ·
2
Replies
33
Views
4K