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Atomic and Condensed Matter Forum

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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Energy Band structure in Noncrystalline material

Apr 19, 2012 · Replies 1 · Apr 19, 2012

Replies: 1

Views: 3K

Solar efficiencies of photovoltaics in relation to the band gap energies?

Apr 18, 2012 · Replies 1 · Apr 19, 2012

Replies: 1

Views: 3K

On probability of a MonteCarlo step

Feb 26, 2012 · Replies 1 · Apr 19, 2012

Replies: 1

Views: 3K

Activity and chemical potential

Apr 16, 2012 · Replies 4 · Apr 17, 2012

Replies: 4

Views: 5K

HCl molecule, rotational and vibrational energy question

Apr 16, 2012 · Replies 4 · Apr 16, 2012

Replies: 4

Views: 4K

Bose Einstein condensate/ atom laser

Mar 27, 2012 · Replies 1 · Apr 16, 2012

Replies: 1

Views: 3K

Band theory and Semiconductors

Apr 13, 2012 · Replies 2 · Apr 13, 2012

Replies: 2

Views: 4K

STM experiment (HOPG) data analysis/image processing

Apr 11, 2012 · Replies 3 · Apr 12, 2012

Replies: 3

Views: 5K

Atomic/Ionic Radii: Helium vs. Lithium+ (ion)

Apr 11, 2012 · Replies 1 · Apr 11, 2012

Replies: 1

Views: 14K

What is the Relationship Between Seebeck Coefficient and Temperature Gradient?

Apr 10, 2012 · Replies 1 · Apr 11, 2012

Replies: 1

Views: 3K

Determining background radiation in a decay spectrum

Apr 10, 2012 · Replies 1 · Apr 10, 2012

Replies: 1

Views: 2K

Complex permeability and permittivity

Apr 4, 2012 · Replies 2 · Apr 9, 2012

Replies: 2

Views: 5K

Scherrer Equation unit dilemma

Apr 9, 2012 · Replies 2 · Apr 9, 2012

Replies: 2

Views: 9K

Expression for recoil velocity of hydrogen atom during electron transition

Apr 8, 2012 · Replies 1 · Apr 8, 2012

Replies: 1

Views: 4K

Electron Paramagnetic Resonance Spectroscopy

Apr 7, 2012 · Replies 1 · Apr 7, 2012

Replies: 1

Views: 3K

NMR Theory, Relaxation and Precession

Apr 4, 2012 · Replies 10 · Apr 6, 2012

Replies: 10

Views: 5K

Pairing gap equation weak coupling

Apr 4, 2012 · Replies 1 · Apr 5, 2012

Replies: 1

Views: 2K

Molecular spectroscopy and accepted literature values

Apr 3, 2012 · Replies 2 · Apr 3, 2012

Replies: 2

Views: 3K

Water models, numerical simulations questions

Mar 29, 2012 · Replies 3 · Apr 3, 2012

Replies: 3

Views: 3K

Thermal Superconductor Design: Possible?

Jan 6, 2012 · Replies 25 · Apr 3, 2012

Replies: 25

Views: 16K

Time reversal symmetry in Topological insulators of HgTe quantum Wells

Apr 2, 2012 · Replies 8 · Apr 3, 2012

Replies: 8

Views: 5K

To calculate absorption coefficient

May 11, 2007 · Replies 12 · Apr 3, 2012

Replies: 12

Views: 35K

Multiplicity of an Einstein solid

Mar 30, 2012 · Replies 17 · Apr 2, 2012

Replies: 17

Views: 8K

Group velocity at Brillouin zone boundary

Apr 1, 2012 · Replies 1 · Apr 1, 2012

Replies: 1

Views: 10K

What Makes Wire Grid Polarizers Effective in Controlling Electron Movement?

Apr 1, 2012 · Replies 1 · Apr 1, 2012

Replies: 1

Views: 3K

How Can I Minimize Liquid Helium Boil-Off in Dewar Flasks?

Apr 1, 2012 · Replies 2 · Apr 1, 2012

Replies: 2

Views: 6K

What Are Charge Carriers and Bilayer Properties in Graphene?

Aug 31, 2011 · Replies 2 · Apr 1, 2012

Replies: 2

Views: 4K

What does k mean in E-k diagram?

Mar 29, 2012 · Replies 1 · Mar 29, 2012

Replies: 1

Views: 7K

Properties of Tungsten Nitride: WN Needed

Mar 28, 2012 · Replies 1 · Mar 29, 2012

Replies: 1

Views: 3K

Upper limit of Miller indices of BCC and FCC crystals?

Mar 29, 2012 · Replies 1 · Mar 29, 2012

Replies: 1

Views: 4K

Regime of Fermi gas or liquid?

Mar 16, 2012 · Replies 2 · Mar 27, 2012

Replies: 2

Views: 3K

Effect of sample size when using periodic boundary conditions in 2D Ising model

Mar 26, 2012 · Replies 1 · Mar 26, 2012

Replies: 1

Views: 4K

Simple New Way to Make Graphene

Mar 18, 2012 · Replies 6 · Mar 26, 2012

Replies: 6

Views: 4K

What's the excitation temp of He? How to get this?(DBD plasma)

Mar 1, 2012 · Replies 1 · Mar 24, 2012

Replies: 1

Views: 3K

Topological Insulator: 100% Spin Polarization & Transport Properties

Mar 13, 2012 · Replies 1 · Mar 23, 2012

Replies: 1

Views: 3K

Graphyne Better Than Graphene?

Feb 24, 2012 · Replies 5 · Mar 23, 2012

Replies: 5

Views: 5K

How can a phonon be localized? A meaningless concept? Yet Kittel

Mar 17, 2012 · Replies 20 · Mar 23, 2012

Replies: 20

Views: 12K

Thomas-Fermi Screening Approximation

Mar 12, 2012 · Replies 4 · Mar 23, 2012

Replies: 4

Views: 5K

How does a supercritical fluid look like? Like a gas or like a liquid?

Mar 15, 2012 · Replies 11 · Mar 23, 2012

Replies: 11

Views: 9K

Can heat (Phonons) generate an electric field in Piezocrystals?

Mar 20, 2012 · Replies 3 · Mar 22, 2012

Replies: 3

Views: 3K

Time orbiting potential trap (TOP-trap)

Jun 1, 2011 · Replies 1 · Mar 22, 2012

Replies: 1

Views: 6K

Natural Orbitals for Particles in a Box

Mar 14, 2012 · Replies 5 · Mar 22, 2012

Replies: 5

Views: 3K

Is DFT Still the Go-To Method for Electronic Structure Calculations?

Nov 27, 2011 · Replies 12 · Mar 22, 2012

Replies: 12

Views: 8K

Can an Antiproton Replace an Electron in a Heavy Atom and Create a Stable Atom?

Mar 17, 2012 · Replies 3 · Mar 21, 2012

Replies: 3

Views: 2K

Understanding Law of Mass Action

Mar 21, 2012 · Replies 13 · Mar 21, 2012

Replies: 13

Views: 5K

LEDs and Solid State Devices: Lifespan Explained

Mar 15, 2012 · Replies 3 · Mar 20, 2012

Replies: 3

Views: 3K

Phonon Dispersion: Definition & Explanation

Mar 16, 2012 · Replies 2 · Mar 20, 2012

Replies: 2

Views: 3K

Momentum space representation for finite lattices - continued

Mar 19, 2012 · Replies 1 · Mar 19, 2012

Replies: 1

Views: 3K

Momentum space representation for finite lattices

Mar 19, 2012 · Replies 2 · Mar 19, 2012

Replies: 2

Views: 3K

Understanding DFT to Calculate Potential Energy of Atoms

Mar 14, 2012 · Replies 4 · Mar 19, 2012

Replies: 4

Views: 6K

Can Graphene Be Used for Visible Displays Despite Being One Atom Thick?

Jan 21, 2012 · Replies 7 · Mar 18, 2012

Replies: 7

Views: 5K

Anyone(s) want to team up in covering a many-body book?

Mar 17, 2012 · Replies 2 · Mar 17, 2012

Replies: 2

Views: 2K

What's the difference between a Luttinger surface and a Fermi surface?

Mar 16, 2012 · Replies 1 · Mar 17, 2012

Replies: 1

Views: 3K

Electronic to vibrational energy transfer

Mar 16, 2012 · Replies 1 · Mar 17, 2012

Replies: 1

Views: 3K

Help Students Comprehend Reciprocal Lattice & Brillouin Zone

Mar 6, 2012 · Replies 7 · Mar 16, 2012

Replies: 7

Views: 4K

Raman spectroscopy-vibrational modes

Mar 13, 2012 · Replies 3 · Mar 15, 2012

Replies: 3

Views: 4K

Calculating 2D Dispersion Relation with Different Atom Types

Jan 9, 2012 · Replies 1 · Mar 15, 2012

Replies: 1

Views: 5K

Explanation of superfluidity in He-4

Mar 12, 2012 · Replies 3 · Mar 14, 2012

Replies: 3

Views: 3K

Excitons in Multiple QWs

Mar 11, 2012 · Replies 2 · Mar 13, 2012

Replies: 2

Views: 2K

Conductivity in a one-dimensional chain of flourine atoms

Mar 10, 2012 · Replies 3 · Mar 13, 2012

Replies: 3

Views: 4K

Bloch Theory of electrical resistivity - Derivation

Mar 12, 2012 · Replies 1 · Mar 13, 2012

Replies: 1

Views: 3K

Understanding Brownian Motion: Statistics & Standard Deviation

Mar 12, 2012 · Replies 1 · Mar 12, 2012

Replies: 1

Views: 2K

BEC condenstate thermal statistics vs. coherence

Mar 5, 2012 · Replies 4 · Mar 12, 2012

Replies: 4

Views: 3K

From London Equations to Penetration Depth(Integrate Laplacian)

Mar 11, 2012 · Replies 4 · Mar 11, 2012

Replies: 4

Views: 4K

Representation theory and totally symmetric ground state?

Mar 8, 2012 · Replies 16 · Mar 10, 2012

Replies: 16

Views: 8K

Calculating Excited vs Ground State Ratios in the Sun: A Surprising Discovery

Mar 8, 2012 · Replies 5 · Mar 10, 2012

Replies: 5

Views: 3K

Is Gauss's Law Applicable in Atomic Scales?

Mar 8, 2012 · Replies 3 · Mar 9, 2012

Replies: 3

Views: 2K

Help with connection between crystal and xray

Mar 8, 2012 · Replies 1 · Mar 8, 2012

Replies: 1

Views: 2K

Calculating Sound Velocity in Diamond Using Debye Approximation

Mar 8, 2012 · Replies 1 · Mar 8, 2012

Replies: 1

Views: 5K

What do roman numerals mean in spectroscopic data

Mar 8, 2012 · Replies 2 · Mar 8, 2012

Replies: 2

Views: 3K

Understanding Landau Level Broadening in Magnetic Fields

Oct 9, 2011 · Replies 9 · Mar 7, 2012

Replies: 9

Views: 6K

About ionic crystal and Madelung constant

Mar 6, 2012 · Replies 1 · Mar 6, 2012

Replies: 1

Views: 3K

Good Information on Thin Films

Mar 5, 2012 · Replies 2 · Mar 6, 2012

Replies: 2

Views: 2K

Calculate the magnetic energies of Cu and Al

Mar 5, 2012 · Replies 2 · Mar 6, 2012

Replies: 2

Views: 2K

Crystal model with periodic boundary conditions

Mar 3, 2012 · Replies 2 · Mar 6, 2012

Replies: 2

Views: 4K

Time Scale of Atom: Understanding EM-Beam Coherent Force

Feb 27, 2012 · Replies 13 · Mar 5, 2012

Replies: 13

Views: 5K

Minority carriers in a Schottky diode

Mar 2, 2012 · Replies 1 · Mar 4, 2012

Replies: 1

Views: 4K

What is kinetic capacitance in superconductors or in solid state in general?

Mar 2, 2012 · Replies 2 · Mar 3, 2012

Replies: 2

Views: 3K

Energy Cut off(s) in Gaussian 09 PBC calculations

Feb 27, 2012 · Replies 1 · Mar 2, 2012

Replies: 1

Views: 5K

Calculating Gamma Coincidence Likelihood

Mar 1, 2012 · Replies 2 · Mar 2, 2012

Replies: 2

Views: 3K

How can a temperature of 100 pK be measured?

Feb 29, 2012 · Replies 4 · Mar 1, 2012

Replies: 4

Views: 4K

Calculating Ionization Energy of Elements Beyond H

Feb 17, 2012 · Replies 2 · Feb 29, 2012

Replies: 2

Views: 3K

Hertz level of solid state matter

Feb 27, 2012 · Replies 1 · Feb 29, 2012

Replies: 1

Views: 2K

Where does radiation come from?

Feb 16, 2012 · Replies 12 · Feb 29, 2012

Replies: 12

Views: 6K

Super-fluid 4He - (two domains)

Feb 25, 2012 · Replies 1 · Feb 28, 2012

Replies: 1

Views: 3K

Why atom shells can only hold specific numbers of electrons

Feb 27, 2012 · Replies 2 · Feb 28, 2012

Replies: 2

Views: 4K

Regarding BEC: Bose distribution and probabilities

Feb 26, 2012 · Replies 3 · Feb 27, 2012

Replies: 3

Views: 3K

Avoiding the Polar Catastrophe in Polar Crystals

Feb 9, 2012 · Replies 3 · Feb 24, 2012

Replies: 3

Views: 8K

Exchange Splitting: Atomic Orbitals, Zeeman Effect & More

Dec 6, 2011 · Replies 1 · Feb 24, 2012

Replies: 1

Views: 14K

X ray questions:What material is suitable in windows for hard X-rays?

Dec 8, 2011 · Replies 1 · Feb 24, 2012

Replies: 1

Views: 4K

Bremsstrahlung X-rays Energy Limit

Jan 22, 2012 · Replies 1 · Feb 24, 2012

Replies: 1

Views: 4K

Why does Ammonia have such a high specific heat capacity?

Feb 23, 2012 · Replies 1 · Feb 24, 2012

Replies: 1

Views: 7K

Total magnetization of an isolated atom

Nov 17, 2011 · Replies 4 · Feb 24, 2012

Replies: 4

Views: 4K

Why Can't Electrons Occupy the Band Gap in a Material?

Jan 27, 2012 · Replies 4 · Feb 24, 2012

Replies: 4

Views: 8K

Why Is Entropy Defined as the Logarithm of Multiplicity in Thermodynamics?

Feb 23, 2012 · Replies 1 · Feb 23, 2012

Replies: 1

Views: 3K

When Daughter Activity Becomes Equal To Parent Activity

Feb 22, 2012 · Replies 2 · Feb 23, 2012

Replies: 2

Views: 3K

What comes out of an 'atomic oven' - atoms, ions?

Feb 20, 2012 · Replies 2 · Feb 23, 2012

Replies: 2

Views: 3K

What is an Optical Lattice and Quantum Dot?

Feb 20, 2012 · Replies 2 · Feb 22, 2012

Replies: 2

Views: 3K

Persistence length: What are the beginning and end point in an polymer?

Feb 17, 2012 · Replies 3 · Feb 18, 2012

Replies: 3

Views: 5K

Fundamental assumption of statistical mech

Feb 18, 2012 · Replies 1 · Feb 18, 2012

Replies: 1

Views: 6K

Atomic and Condensed Matter

Welcome to the Atomic Physics forum!

Atomic and condensed matter physics are two closely related branches of physics. Atomic physics focuses on the study of atoms, investigating their structure, behavior, and interactions with electromagnetic radiation.

It delves into phenomena such as atomic spectra, quantum states, and atomic transitions. Condensed matter physics, on the other hand, extends these principles to study the properties and behaviors of solid and liquid matter in bulk, dealing with materials like metals, semiconductors, and liquids.

This field explores concepts such as phase transitions, crystal structures, and electronic properties of condensed phases. Both atomic and condensed matter physics contribute significantly to our understanding of the fundamental properties of matter and find applications in various technological advancements and material science.

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