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.
Undergrad Understanding the AC Stark Shift Effect in Laser-Atom Interactions
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Graphene - Armchair vs Zigzag - Semiconductor?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How do two photons affect Rabi oscillations in a 2-level atomic system?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Do electron orbitals ever change?
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad Spin orbit coupling/Filling order/Nucleus
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Confused about Ramsey interferometry
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Van Laue Formulation: X-ray Diffraction from Crystal Structure
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad The wave vector in 1st B.Z in Bloch theory
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Bands in strongly correlated materials
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Semiclassical model of electron dynamics
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad How Can LASER Be Both a Quantum and Classical Light Source?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Electrostatic waves in a plasma
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad 9 y.o. question: will a spoon of neutron star matter explode?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad Why does a hydrogen gas tube produce a hydrogen atomic spectrum?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad What is Diffusion Voltage in Semiconductor Heterojunctions?
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Importance of the energy gap in electronic transport properties
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Solid State Physics: Explaining Ashcroft & Mermin's Hall Effect
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad What happens to the temperature of a superconductor?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Hall Effect constant and Cyclotron frequency
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Electron correlation vs electron exchange
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Room Temp Super Conductor: Break Out the Champagne?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Why are the d and f orbitals in transition metals considered localized?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How Does Finite Size Scaling Reveal Cluster Behavior in 1D Percolation?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Photons and wavelength in ultrafast optics
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad Born-Oppenheimer approximations in molecules
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Fermi level in a nonuniformly doped semiconductor
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Is Electron-Electron Interaction Stronger in Metals or Semiconductors?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Maxwell Boltzmann distribution
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Electron scattering in the Brillouin zone boundary
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Can Theoretical Models Predict Direct Bandgap Materials for Solar Cells?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Electric field inside a Superconductor
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Converting Unit Cell Volumes of Minerals to Density
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Topological Defects: Can They Induce Phase Transitions?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How does contact occur at the atomic level?
  • · Replies 27 ·
Replies
27
Views
3K
Undergrad Thermal penetration depth experiment
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How can I calculate the lattice parameter for building Argon atoms using LAMMPS?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Are the electrons in the conduction band completely free?
  • · Replies 11 ·
Replies
11
Views
4K
Undergrad Energy of Conduction and Valence Band in Opposing Directions
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Phonon Number Conservation in a Single Mode Oscillation Experiment
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Bose Einstein Condensate For Oxygen 16 and Oxygen 18
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Damage threshold of short pulses....
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Confused about fluorescence at resonance
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Bose-Einstein condensate diagram
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Power Broadening: Explained & Resources
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Error on a transition frequency
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Doubts regarding atomic spectra of mono-electron species
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the Relationship Between Lattice Points and Basis Balls?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is it true that isotropic biaxial strain does not lower C2 symmetry?
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad CM frame kinetic energy for a molecule
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Fermi-Liquid - amount of electrons available for the interaction
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Vibrational energy in molecules
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Why are crystals more conductive then amorphous structures?
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad Biological solid state physics
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Rotating Molecules: Energies, Angular Momentum & Wavefunctions
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is the Isotope Shift the Same for Different Vibrational Levels in Molecules?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Photon induced magnetic effects
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad How can phonons "travel" if they are excitations of normal modes?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Change in chemical potential energy from nuclear decay
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Transitions in diatomic molecules
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad What force potential should I use for star formations?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Free electron gas band structure?
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Why the reflected angle is the same as incident in x-ray diffraction?
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Group of Wave Vector for k - Action of Space Group
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Ways to minimize scattering as T increases
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Magnetic momentum alignment and precession
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Mobility and resistivity as a function of temperature
  • · Replies 15 ·
Replies
15
Views
6K
Undergrad What is the behavior of photons inside glass?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Bloch functions and momentum of electrons in a lattice
  • · Replies 20 ·
Replies
20
Views
7K
Undergrad Less binding energy, increased atom energy?
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Gaussian beam in a Fabry-Perot interferometer
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Photovoltaic Effect: Electron Movement & Mass Change
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Does the quantum Hall effect come under the category condensed matter?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad When two surfaces rub against each other, do they lose atoms?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad What is an electron hole pair?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How a mirror works: condensed matter explanation
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Can you tell which solid a substance is by analyzing the phonons only?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Understanding Laser Initiation: The Role of Spontaneous Emission Explained
  • · Replies 19 ·
Replies
19
Views
5K
Undergrad Understanding Lasers: Questions and Answers
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Best models to describe molecules
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Molecular Bond in H2+: Explained
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why is this unit used in graphs; keV/amu ?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Gold's absorbance of blue light
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Why are there not more ferromagnetic Materials?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Why Do Different Primitive Unit Cells for Diamond Look So Different?
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Spectrometer vs Spectrometry vs Spectroscopy
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad Interaction path = mean free path?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Are electron bands symmetric in the reciprocal space?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Why do we need He in a He-Ne laser?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Averge orbital distance of electrons
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Periodic electron motion in a perfect conductor using a semiclassical model
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Lattice specific heat, help understanding a passage in Ziman's book
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Can Molecular Distances Determine the Volume of Objects?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Molecular Vibrations: Rotational and Translational Movement
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Pinch-Off region of MOS-FET in punch-through?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Is Total Angular Momentum Conserved in the Hydrogen Ion Molecule H₂⁺?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is it possible for water to exhibit fluorescence?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Inverting the Birch-Murnaghan Equation of State
  • · Replies 6 ·
Replies
6
Views
10K
Undergrad Can Glory Phenomena Be Observed in X-Rays?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Measuring the Helium Spectrum: Friederich Paschen 1916
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Microspectrometers (anybody have the version by Scio?)
  • · Replies 2 ·
Replies
2
Views
2K