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.
Graduate Hall Effect Measurements and Analysis
  • · Replies 2 ·
Replies
2
Views
2K
High School Which are the elements which direcly sublimes
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Nitrogen transmutation to carbon-14 (radiocarbon) via gamma
  • · Replies 2 ·
Replies
2
Views
4K
Graduate How does doping affect the degeneracy of semiconductors?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Latent Heat of Phase Transition: Origin & Explanation
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Resolving the Compatibility of Boundary Conditions in Schottky Barrier Formation
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Naphthalene impurities spectroscopy
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Suggestion for Research Project on Optical Nanoantenna
  • · Replies 3 ·
Replies
3
Views
2K
Graduate LASERs: Why is population inversion required for amplification?
  • · Replies 3 ·
Replies
3
Views
7K
Graduate Nanoscale propulsion system that works in vacuum - or not?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Are energy levels in a Debye solid equivalent to particles?
  • · Replies 2 ·
Replies
2
Views
2K
High School Graphene structure obtaining code
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Atom Nucleus: Geiger/Marsden Experiments & Results
  • · Replies 23 ·
Replies
23
Views
4K
Graduate What Is the Significance of Dual Periodicity in Bloch Wavefunctions?
  • · Replies 11 ·
Replies
11
Views
7K
Graduate Why Are Absorption Cross Sections Larger for Atoms Than for Molecules?
  • · Replies 5 ·
Replies
5
Views
5K
Graduate Why is there a need for correlation hole?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate What are current research directions in Quantum Chaos?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Organic Superconductor: Advantages Over Conventional & High Tc
  • · Replies 1 ·
Replies
1
Views
1K
Graduate What are Friedel oscillations and how are they caused?
  • · Replies 5 ·
Replies
5
Views
7K
Graduate Hund's cases for diatomic molecules
  • · Replies 5 ·
Replies
5
Views
4K
High School Why can't we use an iron bar as magnet
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Can Covalent Bonds Form with Parallel Spin Electrons in Hydrogen Molecules?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Refractive Index of BEC: Exploring Its Potential for X Rays and Gamma Rays
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why Does the Proton-Electron Mass Ratio Diverge from Direct Division?
  • · Replies 6 ·
Replies
6
Views
6K
Graduate The motivation of k.p method and envelope function method?
  • · Replies 8 ·
Replies
8
Views
6K
High School If you raise the electron to other higher shell states, can it affect light transmission?
  • · Replies 10 ·
Replies
10
Views
3K
Insights High Temperature Low Temperature Duality for the Ising Model on an Infinite Regular Tree - Comments
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Does the Bohr model go against classical Electromagnetism
  • · Replies 3 ·
Replies
3
Views
2K
Oscillations around CO atoms seen in STM images
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Helium singlet/triplet state with total spin of 1
  • · Replies 5 ·
Replies
5
Views
3K
Graduate How Can We Calculate Band Bending Using Schrödinger-Poisson Theory?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate PVD sputtering - step coverage
  • · Replies 1 ·
Replies
1
Views
2K
Old video showing superfluid helium
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why is two level laser impossible even with non-optical pump
  • · Replies 7 ·
Replies
7
Views
8K
Undergrad Can a Piezo Crystal be Used as a Segmented Actuator for Voltage Measurements?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate In an infinite quantum well, why Δn=0?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Entangled electron in High Temp Superconductors
  • · Replies 2 ·
Replies
2
Views
2K
High School Discover Visible Wavelengths for Neon Spectrum | Resources & Links Included
  • · Replies 7 ·
Replies
7
Views
6K
Graduate Does the wavelength for photodissociation of hydrogen vary?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Field Effect Transistor - High Input Impedance
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Depletion zone and current in forward-biased PN junction
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Field Effect Transistor - Minority Charge Carriers
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How thick does a material have to be to start to become opaq
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Temperature Dependence of Donor Ionization Energies
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Where Can I Find Recent Scholarly Articles on Nano-Propulsion and Drug Delivery?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Hydrogen 1s 3s transition frequency
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How do we model metal nanoparticles for MD simulations?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate How to dope a semiconductor with an elemnt which sublimates?
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Does anybody know the energy shells eV for glass, and solid carbon?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Brillouin Zones: Primitive Reciprocal Lattice Vectors
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Does Gas Discharge Excite Helium in He-Ne Lasers but Not Neon?
  • · Replies 5 ·
Replies
5
Views
8K
High School Gas Lasers: What Makes Them Work?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Question about pn diodes and their lifetime
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Many body wavefunction and exchange correlation
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why is the band offset of an LED equal to the band gap?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How can electron in hydrogen ever get in the 2s state?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Calculating the Z2 Invariant in Kane-Mele Model
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Whats the difference in glass electrons, and solid irons
  • · Replies 3 ·
Replies
3
Views
3K
High School Why does light transmit through glass/diamond, but not solid
  • · Replies 2 ·
Replies
2
Views
2K
High School Do X-rays' wavelength or frequency help them not excite electons....
  • · Replies 12 ·
Replies
12
Views
2K
Graduate How can I calculate the energy gap?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate KT (energy) vs Blackbody Radiation for molecule in a box
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad When you look at absortion lines of light....
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad In the absorption, and emission spectra, what happens to some
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What's happening in glass with the electrons, for light to travel through it?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Creating YBCO: Melting Down and Doping for Superconductivity
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Surface States within band gap STM/STS
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Drawing crystal structure software
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Understanding the equations of a paper
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Photon absorption by electrons at opposite k-points
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Calculate the electron kinetic energy ejected from cathode?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Spin-flip of lithium core electrons
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Stability of Atom: Why Electrons Don't Emit Radiation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Effective mass dependency on the donator atom?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Problem with molecular vibrations
  • · Replies 9 ·
Replies
9
Views
3K
Graduate What is the energy of a hydrogen atom in a mixed state?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Ionizing Photons: Photoelectric Effects Compared
  • · Replies 1 ·
Replies
1
Views
2K
High School Electrons, Ionic Bonds: Hello Physics Forum - Q&A
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad What is the conditions to excite an atom by collision?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Mathematical theory for topological insulators
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad What Are Surface Waves and How Can We Demonstrate Their Existence?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What happens after I give energy more than forbidden gap
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Thickness of 'shell' in momentum space in a plasma?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Formula for Interplanar Distance in Cubic Lattice
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Can substances conduct heat without heating up?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Hole Mass vs Electron Mass: What's the Difference?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Is the Dimension of Phase Space for a Rigid Diatomic Molecule Actually 12?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Electrons & Holes: Carbon Nanotube Symmetry Properties
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Demon algorithm for microcanonical ensemble
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Criteria for boson and Bose Einstein Condensate
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Electron or Hole: Which Has the Greater Effective Mass?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Question about Fermi's gas effective mass.
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Why does the mass attenuation coefficient have a negative gradient?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Does H = XX+YY spontaneously break symmetry in 1D?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Diffraction of red LED light picture with spots
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Interpreting Electron Density Definition
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How Does Neutron Scattering Reveal Anomalies in Phonon Dispersion Curves?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Proving direct band gap property of a semiconductor
  • · Replies 1 ·
Replies
1
Views
2K
Graduate The limiting sphere in crystallography
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad How Can MATLAB Simulate Semiconductor vs. Insulator Band Theory?
  • · Replies 1 ·
Replies
1
Views
2K