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 Kirkendall effect: vacancy concentration and pair interaction energy
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Undergrad How azimutal quantum number got its range value
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Graduate Electrical & thermal conductivities
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Graduate Error signal when locking a cavity
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Undergrad What do the Roman Numerals mean in Spectroscopic Data?
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Graduate Quantum projection when measuring state population
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Graduate Weird beam behavior in a cavity
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Graduate Description of in-band relaxation?
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Graduate Unknown large linewidth of the fringes of a cavity
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Graduate Experiments for temperature dependence of persistent supercurrent?
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Undergrad Electron transitions within the same excited state?
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Graduate Understand Electronic Dispersion: Definition & Examples
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Undergrad Is a phonon a quasiparticle or a collective excitation?
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Undergrad Trying to better understand temperature and entropy
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Undergrad Polarization in Rabi oscillations
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High School Can you create neutronium by colliding electrons and protons?
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Undergrad Can Superconductors Reach Relativistic Speeds and Emit Synchrotron Photons?
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Graduate AC Stark shift in diatomic molecules
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Graduate How can I overcome alignment issues with a bow-tie cavity?
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Graduate Question about bow-tie cavities
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Undergrad Questions about Curie Temperature Characteristics
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Undergrad Superconductors and moving/accelerating charges
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Graduate Dressed states for a 3 level system
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Graduate BCS theory of superconductivity and eternal supercurrents?
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Graduate Experimental Semiconductor Bandgap Databases
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Undergrad Absorption and emission spectroscopy of atoms
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Graduate Which one of the GGA or G0W0 calculations is more accurate?
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Undergrad What actually is the free energy? Why is it useful?
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Graduate Selection rule for spectra with circular polarization
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P-n junction diodes (Both bias)
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Undergrad Ion Ablation Target Experiment: Estimating Energy Spread
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Graduate How to interpret this equation in Szabo & Ostlund's book
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I have a question about the mathematical model of a reflective curve
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Undergrad Hartree-Fock / Szabo & Ostlund book
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High School Something strange about doping semiconductors
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XRD Scherrer Equation -- need explanation
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Undergrad Bragg condition and Bloch states
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Interpreting UV absorption spectra
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Undergrad Transition Dipole Moments for Strontium
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Graduate Probability of resonant ionization
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Indirect and direct band gaps in silicon
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High School What is the focus of Atkins' popular textbook in physical chemistry?
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Undergrad Calculating the specific heat capacity for the 2D Ising model
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Undergrad Numerical Calculation of Hamiltonian Overlaps
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Undergrad What determines the time between atomic absorption and emission of photons?
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Graduate Fourier Transform MW spectroscopy in a FB cavity
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Undergrad Derivation of Voigt's Shear Modulus
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Graduate How Can You Identify Perovskite in Solar Cells Without Advanced Lab Techniques?
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Graduate How Do Measurements and Excitation Wavelengths Affect Single NV Center Analysis?
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Graduate Vibrations in a bow-tie cavity
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Graduate Ray Tracing Simulator: Simulating Gaussian Beam in Bow Tie Cavity
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Undergrad Wave in phonon as "forward and backward" movement vs temperature
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Undergrad Isotope measurements in molecules
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Undergrad How Small Can a Transistor Be and Still Work Reliably?
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Undergrad Can resonance be used to split a molecule of CO2?
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Graduate Magnetic sublevels of a random atom
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Undergrad Vanadium oxide oxidation states binding energy -- unequal spacing
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Graduate Laser signal input for PDH lock
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Graduate Accounting for Astigmatism in Bow Tie Cavity: Finding the Optimal Cavity Length
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Graduate Surface impedance equation for resonators
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Undergrad Space Group Symmetry: What is F d3m Spinel Structure?
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Undergrad Capping layer in semiconductor quantum dot fabrication
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Undergrad Magnetization inside a diamagnetic material antiparallel to ##B_{ext}##
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Graduate A good quantum number for Cnv symmetry?
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Undergrad Broken symmetry in ferromagnetism
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Graduate How to simulate an isotope shift measurement
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Graduate Centrifugal distortion of a diatomic molecule
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Graduate Question about an equation from anapole measurement paper
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Graduate "Cross-section" and "half-life" of excited states
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Graduate Question about a measured spectra
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Undergrad What makes cobalt oxide (co3o4) a magnetic material?
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Undergrad What are thermal fluctuations?
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Undergrad Survivability in 1 psi zone: How screwed am I?
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Undergrad Optimizing PID Parameters for Laser Servo Locking
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Graduate How to slow down a high energy neutral molecular beam
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Undergrad Diatomic molecules containing potassium
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Graduate Integrating the Stokeslet: Solving Expression 7 from ResearchGate Publication
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High School How does the hydrogen line spectrum work with only one orbit?
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Graduate Cubic and monolayer difference
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Graduate Calculation of dipole and quadrupole momentum of CO
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High School Assistance finding the nuclear energy difference during nuclear fusion
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Graduate Power induced shift in rotational transitions for a diatomic molecule
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Graduate Numerical Hartree Fock with Finite Difference Matrices for Helium
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Graduate Order parameter, symmetry breaking Landau style
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Undergrad Spin and wavefunction of excitons
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Graduate Bloch momentum-space wave functions
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Undergrad Combination differences with spin
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Undergrad Is the Spin-Rotation Constant Always Positive in Diatomic Molecules?
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Undergrad Can Ablation of Materials Neutralize In-Flight Atomic Beams?
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Graduate Einstein's coefficients recoil effect
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Graduate The main charge carrier in the ionic crystal is polaron or conduction?
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High School Field distribution in semiconductors
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Undergrad Question about Electronic Band Structure
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Undergrad What Keeps the Electrons and Ions Mixed in a White Dwarf?
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Graduate Can a Solid Vibrate at Debye Max Frequency?
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Undergrad Action of a symmetry operation on a Bloch state
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Graduate Is the Universe neutrally charged?
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Graduate Quantum computing with superconductors
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Graduate Lennard-Jones for bound/unbound atoms?
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Undergrad How Do Ashcroft and Mermin Derive the Conversion from Equation 22.6 to 22.9?
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