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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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What are Cooper pairs from superconductors

Jan 5, 2013 · Replies 16 · Feb 13, 2013

Replies: 16

Views: 6K

Ionic Core Distance: Explaining the Significance

Jan 14, 2013 · Replies 3 · Feb 13, 2013

Replies: 3

Views: 2K

Why Does Bragg Diffraction Occur for Bound Electrons in a Crystal?

Feb 13, 2013 · Replies 3 · Feb 13, 2013

Replies: 3

Views: 2K

Superconductor/Ferromagnet Interfaces

Feb 6, 2013 · Replies 1 · Feb 13, 2013

Replies: 1

Views: 2K

Band structure and electric field

Feb 11, 2013 · Replies 4 · Feb 13, 2013

Replies: 4

Views: 6K

Equilibrium Distribution of Electrons and Holes

Feb 9, 2013 · Replies 9 · Feb 13, 2013

Replies: 9

Views: 5K

Understanding Electron Effective Mass in Crystals

Feb 13, 2013 · Replies 1 · Feb 13, 2013

Replies: 1

Views: 2K

How Do Energy Boundaries Extend to Infinity in Ashcroft Mermin's Equation 2.60?

Aug 8, 2012 · Replies 7 · Feb 12, 2013

Replies: 7

Views: 4K

Molecular hydrogen excitation levels

Jan 24, 2013 · Replies 3 · Feb 11, 2013

Replies: 3

Views: 4K

What is the Franck-Condon principle?

Feb 9, 2013 · Replies 3 · Feb 11, 2013

Replies: 3

Views: 3K

Correlation length of surface roughness

Jan 22, 2013 · Replies 5 · Feb 10, 2013

Replies: 5

Views: 13K

Superconductors - some general questions.

Feb 2, 2013 · Replies 5 · Feb 10, 2013

Replies: 5

Views: 3K

Reciprocal Lattice: Visible Points in an X-Ray Experiment

Feb 7, 2013 · Replies 4 · Feb 8, 2013

Replies: 4

Views: 4K

Closed electron configuration equivalent to closed shell

Feb 7, 2013 · Replies 1 · Feb 7, 2013

Replies: 1

Views: 5K

Can there be molecular structures according to QM?

Feb 7, 2013 · Replies 2 · Feb 7, 2013

Replies: 2

Views: 2K

Born-Oppenheimer approximation

Feb 3, 2013 · Replies 4 · Feb 4, 2013

Replies: 4

Views: 6K

Graphene and Silicene: Beyond the Hype?

Feb 1, 2013 · Replies 2 · Feb 2, 2013

Replies: 2

Views: 3K

Why can't optical phonons travel far?

Jan 31, 2013 · Replies 2 · Feb 2, 2013

Replies: 2

Views: 3K

Does graphene actually remain strong for macroworld engineering?

Jan 30, 2013 · Replies 5 · Jan 31, 2013

Replies: 5

Views: 3K

Amount of flux lines 'pinned' in type II superconductor

Jan 24, 2013 · Replies 1 · Jan 28, 2013

Replies: 1

Views: 3K

Covalent bonds in p-type semiconductor

Jun 8, 2011 · Replies 5 · Jan 26, 2013

Replies: 5

Views: 9K

Bonds in Semiconductor crystals

Jan 25, 2013 · Replies 2 · Jan 26, 2013

Replies: 2

Views: 3K

Creating Input Files in Quantum Espresso: A Beginner's Guide

Jan 22, 2013 · Replies 3 · Jan 25, 2013

Replies: 3

Views: 3K

What is the work function of AlGaN and how can it be calculated?

Jan 23, 2013 · Replies 2 · Jan 24, 2013

Replies: 2

Views: 3K

Does BE condensate release or abort energies?

Jan 16, 2013 · Replies 4 · Jan 24, 2013

Replies: 4

Views: 2K

Criteria of periodic boundary condition

Jan 23, 2013 · Replies 1 · Jan 24, 2013

Replies: 1

Views: 2K

Thickness of Graphene: Theory & Measurement

Jan 23, 2013 · Replies 11 · Jan 23, 2013

Replies: 11

Views: 13K

Electrostatic energy per e- for an alkali metal

Jan 17, 2013 · Replies 1 · Jan 22, 2013

Replies: 1

Views: 5K

Born-Oppenheimer approximation confusion

Jan 21, 2013 · Replies 7 · Jan 22, 2013

Replies: 7

Views: 4K

Why Do Atoms (generally) Follow The Octet Rule?

Jan 19, 2013 · Replies 5 · Jan 21, 2013

Replies: 5

Views: 4K

Significance of free electron gas density of states in different dimensions?

Dec 29, 2012 · Replies 12 · Jan 20, 2013

Replies: 12

Views: 7K

How to Rotate a Standard Cell to Align a Specific Plane with [001]?

Jan 16, 2013 · Replies 1 · Jan 20, 2013

Replies: 1

Views: 2K

Polariton, polaron, plasmon and spaser

Jan 18, 2013 · Replies 2 · Jan 19, 2013

Replies: 2

Views: 4K

Charge carrier injection in heterostructures - help with concept definition

Dec 27, 2012 · Replies 2 · Jan 18, 2013

Replies: 2

Views: 3K

Looking for atomic energy level database

Jan 17, 2013 · Replies 3 · Jan 18, 2013

Replies: 3

Views: 3K

Threshold voltage dependence on Vdb

Jan 3, 2013 · Replies 1 · Jan 17, 2013

Replies: 1

Views: 3K

What is the meaning of diffusion coefficient?

Jan 16, 2013 · Replies 1 · Jan 17, 2013

Replies: 1

Views: 2K

Fermi Energy and Fermi Level in Semiconductors

Nov 12, 2012 · Replies 21 · Jan 17, 2013

Replies: 21

Views: 81K

Where can I find images of atomic energy level diagrams for chemical elements?

Oct 27, 2010 · Replies 3 · Jan 17, 2013

Replies: 3

Views: 7K

Extensive and intensive quantities

Jan 13, 2013 · Replies 2 · Jan 13, 2013

Replies: 2

Views: 3K

Question about Bloch function in Reduced Zone Scheme

Jan 12, 2013 · Replies 1 · Jan 12, 2013

Replies: 1

Views: 3K

Development of new nanocrystal materials

Jan 12, 2013 · Replies 1 · Jan 12, 2013

Replies: 1

Views: 2K

Atomtronics & Superfluid Circuits

Jan 11, 2013 · Replies 2 · Jan 11, 2013

Replies: 2

Views: 2K

Anti-hydrogen locked in a magnetic field

Jan 10, 2013 · Replies 1 · Jan 11, 2013

Replies: 1

Views: 2K

Kronig-Penney model only with cosh

Jan 2, 2013 · Replies 3 · Jan 10, 2013

Replies: 3

Views: 3K

Atomic Excitation transition energy

Dec 31, 2012 · Replies 21 · Jan 6, 2013

Replies: 21

Views: 6K

Heat Transfer Coefficients and Nusselt Numbers of Various Materials

Jan 4, 2013 · Replies 3 · Jan 5, 2013

Replies: 3

Views: 4K

Negative Temperature Achieved

Jan 5, 2013 · Replies 2 · Jan 5, 2013

Replies: 2

Views: 3K

Bose-Einstein-Condensate and Superposition

Dec 30, 2012 · Replies 1 · Jan 4, 2013

Replies: 1

Views: 3K

Solving Cyclotron Resonance: Azbel-Kaner Method

Jan 2, 2013 · Replies 2 · Jan 2, 2013

Replies: 2

Views: 3K

Calculating force between atoms

Dec 30, 2012 · Replies 9 · Dec 30, 2012

Replies: 9

Views: 4K

Why is Carbon-12 used as the measurement of relative masses?

Dec 27, 2012 · Replies 5 · Dec 27, 2012

Replies: 5

Views: 29K

What is the Significance of the d-BCT Phase in Crystallography?

Dec 27, 2012 · Replies 1 · Dec 27, 2012

Replies: 1

Views: 2K

Why is graphene only a recent discovery?

Dec 27, 2012 · Replies 2 · Dec 27, 2012

Replies: 2

Views: 3K

Good guide for fractional quantum hall

Dec 25, 2012 · Replies 2 · Dec 26, 2012

Replies: 2

Views: 2K

Energy Conservation And X-ray Diffraction

Dec 26, 2012 · Replies 1 · Dec 26, 2012

Replies: 1

Views: 4K

Why isn't spin a 5th dimension?

Dec 17, 2012 · Replies 2 · Dec 23, 2012

Replies: 2

Views: 3K

Can You Extract a Single Molecule from Your Body and Examine It?

Dec 21, 2012 · Replies 5 · Dec 22, 2012

Replies: 5

Views: 6K

What Happens to the Space Occupied by Atoms During Nuclear Fusion?

Dec 22, 2012 · Replies 1 · Dec 22, 2012

Replies: 1

Views: 4K

Boiling Points of Substances: Effects of Pressure and Temperature

Dec 22, 2012 · Replies 1 · Dec 22, 2012

Replies: 1

Views: 4K

Blackbody emission and absorption

Dec 20, 2012 · Replies 2 · Dec 21, 2012

Replies: 2

Views: 3K

Do the Creation Operator and Spin Projection Operator Commute?

Dec 20, 2012 · Replies 3 · Dec 21, 2012

Replies: 3

Views: 4K

Dispersion relation for (100) and (001)?

Dec 20, 2012 · Replies 3 · Dec 21, 2012

Replies: 3

Views: 3K

Tracking Diabatic States in a numerically produced energy spectrum

Dec 17, 2012 · Replies 11 · Dec 20, 2012

Replies: 11

Views: 3K

Help with Half Life: Confused on A=DecayConstant*N and ln(2)

Dec 19, 2012 · Replies 1 · Dec 20, 2012

Replies: 1

Views: 3K

How to solve 2d problems numerically.

Dec 17, 2012 · Replies 1 · Dec 18, 2012

Replies: 1

Views: 2K

Deriving the London's equation for superconductor

Dec 16, 2012 · Replies 5 · Dec 18, 2012

Replies: 5

Views: 7K

Dipole operator and correlations

Dec 18, 2012 · Replies 1 · Dec 18, 2012

Replies: 1

Views: 2K

How Does RG Flow Change Dimensions in Ising Universality Classes?

Dec 17, 2012 · Replies 1 · Dec 18, 2012

Replies: 1

Views: 2K

Bose-Einstein condensation in the canonical ensemble

Dec 12, 2012 · Replies 8 · Dec 16, 2012

Replies: 8

Views: 3K

Rutherford's atomic model 's limitation

Dec 15, 2012 · Replies 7 · Dec 15, 2012

Replies: 7

Views: 13K

Most General Form of the Rate-Equation Approximation

Dec 12, 2012 · Replies 1 · Dec 13, 2012

Replies: 1

Views: 2K

Confused about Bogoliubov transformation

Dec 12, 2012 · Replies 1 · Dec 13, 2012

Replies: 1

Views: 3K

Gas temperature increase by pressure

Dec 12, 2012 · Replies 1 · Dec 13, 2012

Replies: 1

Views: 3K

Direct and Indirect Optical Band Gap

Dec 12, 2012 · Replies 3 · Dec 12, 2012

Replies: 3

Views: 4K

What Makes the Normal and Anormal Zeeman Effects Distinct?

Nov 29, 2012 · Replies 5 · Dec 12, 2012

Replies: 5

Views: 3K

The dispersion (standard deviation) of the estimator of neutron flux number

Dec 12, 2012 · Replies 3 · Dec 12, 2012

Replies: 3

Views: 2K

When to use HYBRIdiZED ORBITAL?

Dec 9, 2012 · Replies 7 · Dec 11, 2012

Replies: 7

Views: 3K

About soft phonon mode: is it simply of reduced energy

Nov 21, 2012 · Replies 4 · Dec 11, 2012

Replies: 4

Views: 23K

Zero Point Energy and Bose Einstein Condensates

Dec 11, 2012 · Replies 4 · Dec 11, 2012

Replies: 4

Views: 4K

Is it weird for graphene, the group velocity and momentum

Dec 11, 2012 · Replies 1 · Dec 11, 2012

Replies: 1

Views: 3K

Research Topics in Quantum Dots for Undergrad Summer Research?

Dec 8, 2012 · Replies 2 · Dec 11, 2012

Replies: 2

Views: 4K

Question about Bloch's theorem

Nov 9, 2012 · Replies 10 · Dec 10, 2012

Replies: 10

Views: 8K

Predicting temp. at which defects will set in

Dec 10, 2012 · Replies 1 · Dec 10, 2012

Replies: 1

Views: 2K

Is there a method of lowering linear expansion of a material?

Dec 7, 2012 · Replies 1 · Dec 9, 2012

Replies: 1

Views: 2K

Which dielectric constant in media?

Dec 6, 2012 · Replies 4 · Dec 7, 2012

Replies: 4

Views: 3K

Qualitative Description of Reflection

Dec 5, 2012 · Replies 4 · Dec 7, 2012

Replies: 4

Views: 3K

X-ray and electron microscope diffraction patterns

Nov 25, 2012 · Replies 2 · Dec 7, 2012

Replies: 2

Views: 3K

Gaussian Radius of curvature in an argon ion laser

Dec 5, 2012 · Replies 1 · Dec 6, 2012

Replies: 1

Views: 3K

Puzzle about electron affinity in solid-state physics

Dec 4, 2012 · Replies 5 · Dec 6, 2012

Replies: 5

Views: 5K

What happens to atoms if an object is hit?

Dec 5, 2012 · Replies 6 · Dec 6, 2012

Replies: 6

Views: 3K

Spin Orbit Coupling leading to topological insulator behaviour

Nov 14, 2012 · Replies 2 · Dec 5, 2012

Replies: 2

Views: 7K

The Cause of X-ray crystal Diffraction

Nov 23, 2012 · Replies 17 · Dec 4, 2012

Replies: 17

Views: 8K

Explanation of a quantum simulator

Nov 30, 2012 · Replies 2 · Dec 4, 2012

Replies: 2

Views: 2K

Fast Neutron Reactors and Breeder Reactors

Dec 3, 2012 · Replies 3 · Dec 4, 2012

Replies: 3

Views: 7K

Conduction band splitting under spin/orbit coupling

Nov 13, 2012 · Replies 5 · Dec 3, 2012

Replies: 5

Views: 7K

How fast can you 'switch' between superconducting and normal modes?

Dec 3, 2012 · Replies 2 · Dec 3, 2012

Replies: 2

Views: 2K

Effect of electrical field on annealing of thin film bismuth

Dec 2, 2012 · Replies 1 · Dec 2, 2012

Replies: 1

Views: 3K

Few basic questions about p-n junction

Nov 22, 2012 · Replies 12 · Dec 1, 2012

Replies: 12

Views: 4K

Statistical mechanics with a negative amount of atoms

Nov 10, 2012 · Replies 5 · Nov 28, 2012

Replies: 5

Views: 3K

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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