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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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Negative absorption peak in FTIR

Sep 12, 2011 · Replies 2 · Sep 18, 2011

Replies: 2

Views: 14K

How Do Atoms Bond Together and What Forces Are Involved?

Aug 7, 2011 · Replies 10 · Sep 17, 2011

Replies: 10

Views: 5K

Josephson Effect: SNS Junction & Self-Generated Current

Sep 16, 2011 · Replies 3 · Sep 17, 2011

Replies: 3

Views: 3K

What is the relationship between Fermi Energy and Electron Density of States?

Apr 4, 2010 · Replies 10 · Sep 16, 2011

Replies: 10

Views: 9K

Silicon Dioxide (SiO2) FTIR peaks

Sep 10, 2011 · Replies 1 · Sep 15, 2011

Replies: 1

Views: 11K

What are Octupole correlations?

Sep 10, 2011 · Replies 3 · Sep 15, 2011

Replies: 3

Views: 3K

Do particles in a system at absolute zero still have kinetic energy?

Sep 6, 2011 · Replies 3 · Sep 15, 2011

Replies: 3

Views: 6K

Periodic Boundary Conditions on non sq lattice

Sep 3, 2011 · Replies 1 · Sep 14, 2011

Replies: 1

Views: 6K

How to keep stable temperature inside an iron container of mm thin

Sep 13, 2011 · Replies 1 · Sep 13, 2011

Replies: 1

Views: 2K

Canonical Transformation of the Hubbard Model

Sep 10, 2011 · Replies 7 · Sep 13, 2011

Replies: 7

Views: 4K

Hi why do many dyes who have a conjugated system of delocalized

Sep 12, 2011 · Replies 1 · Sep 12, 2011

Replies: 1

Views: 2K

Impurity State Green's functions

Aug 26, 2011 · Replies 4 · Sep 10, 2011

Replies: 4

Views: 4K

Negative formation energy of a point defect in a solid

Sep 1, 2011 · Replies 1 · Sep 9, 2011

Replies: 1

Views: 8K

The Natural Dispersion of Black Holes

Sep 8, 2011 · Replies 3 · Sep 9, 2011

Replies: 3

Views: 3K

What is the interpretation of electroluminescence?

Aug 29, 2011 · Replies 1 · Sep 7, 2011

Replies: 1

Views: 2K

Polarizability of Fixed Dipole Interactions

Aug 26, 2011 · Replies 2 · Sep 6, 2011

Replies: 2

Views: 4K

Why in periodic table normally we have elements with FCC and HCP structure?

Sep 6, 2011 · Replies 1 · Sep 6, 2011

Replies: 1

Views: 3K

Surface Forces-Some Clarification Needed

Sep 5, 2011 · Replies 1 · Sep 6, 2011

Replies: 1

Views: 2K

Observing Thermodynamic Phase Transitions Via Neutron Scattering

Sep 3, 2011 · Replies 1 · Sep 6, 2011

Replies: 1

Views: 3K

What's the relationship between phonon spectrum and thermal conductivity

Aug 22, 2011 · Replies 5 · Sep 5, 2011

Replies: 5

Views: 5K

About field-cooled / zero-field-cooled curves of superparamagnetic particles?

Apr 2, 2011 · Replies 1 · Sep 5, 2011

Replies: 1

Views: 22K

K, L, M electron transitions, x-ray emission lines, conflicting information

Sep 4, 2011 · Replies 1 · Sep 4, 2011

Replies: 1

Views: 6K

Is possible to use interband transition to design mid-infrared photodetector?

Aug 31, 2011 · Replies 4 · Sep 4, 2011

Replies: 4

Views: 3K

Is a Reciprocal Lattice Vector Perpendicular to Its Corresponding Crystal Plane?

Sep 1, 2011 · Replies 1 · Sep 3, 2011

Replies: 1

Views: 4K

Conductivity of a metal approaching absolute zero

Sep 2, 2011 · Replies 9 · Sep 2, 2011

Replies: 9

Views: 14K

Trying to make a Superconducting tube

Sep 1, 2011 · Replies 3 · Sep 1, 2011

Replies: 3

Views: 2K

Problem with NEGF in real space

Aug 22, 2011 · Replies 1 · Sep 1, 2011

Replies: 1

Views: 3K

What Is the Definition of Exchange Energy in Quantum Chemistry?

Aug 26, 2011 · Replies 3 · Aug 31, 2011

Replies: 3

Views: 10K

Can laser optics provide insight into photon lifetime definitions?

Aug 13, 2011 · Replies 3 · Aug 30, 2011

Replies: 3

Views: 4K

Atoms are 'nothing but' space versus 'mostly' space

Aug 26, 2011 · Replies 16 · Aug 30, 2011

Replies: 16

Views: 13K

Group velocity and Dispersion Relation

Apr 15, 2010 · Replies 5 · Aug 29, 2011

Replies: 5

Views: 7K

How are ultra cold temperatures measured?

Aug 26, 2011 · Replies 5 · Aug 29, 2011

Replies: 5

Views: 4K

How to prove there is no primitive cell of diamond structure with only one atom?

Aug 24, 2011 · Replies 3 · Aug 28, 2011

Replies: 3

Views: 6K

Can dielectric constant of semiconductor be calculated or estimated?

Aug 21, 2011 · Replies 5 · Aug 26, 2011

Replies: 5

Views: 4K

How Do Band Gaps Arise in Periodic Lattices According to Bloch Theory?

Aug 20, 2011 · Replies 1 · Aug 26, 2011

Replies: 1

Views: 5K

How can (220) in bcc diffract?

Aug 25, 2011 · Replies 1 · Aug 25, 2011

Replies: 1

Views: 5K

What is a Cross Over? Definition & Effects

Jul 7, 2011 · Replies 4 · Aug 25, 2011

Replies: 4

Views: 4K

Why Do Atoms Bond? Understanding Molecular Bonds

Feb 27, 2011 · Replies 13 · Aug 24, 2011

Replies: 13

Views: 10K

Does Impedance Exist in Superconductors Below Their Critical Temperature?

Aug 23, 2011 · Replies 7 · Aug 24, 2011

Replies: 7

Views: 8K

Atoms with non-zero nuclear spin

Aug 22, 2011 · Replies 2 · Aug 23, 2011

Replies: 2

Views: 5K

Band Bending & Donor Concentration in Semiconductors

Aug 23, 2011 · Replies 1 · Aug 23, 2011

Replies: 1

Views: 3K

NMR Heat Variance: Magnetic & Electromagnetic Fields

Aug 14, 2011 · Replies 12 · Aug 22, 2011

Replies: 12

Views: 5K

How do we explain electrical resistivity and heat.

Aug 20, 2011 · Replies 2 · Aug 21, 2011

Replies: 2

Views: 4K

Saturation chemical potential- what is it?

Aug 19, 2011 · Replies 1 · Aug 21, 2011

Replies: 1

Views: 3K

Meissner effect and conventional zero resistivity

Aug 18, 2011 · Replies 1 · Aug 20, 2011

Replies: 1

Views: 3K

Help on precise definition of chemical potential T->0 FD Distribution

Aug 9, 2011 · Replies 3 · Aug 19, 2011

Replies: 3

Views: 4K

What is the other axis in molecule XeF4's D4h character table?

Aug 2, 2011 · Replies 1 · Aug 19, 2011

Replies: 1

Views: 9K

Why is graphene the way it is ?

Aug 15, 2011 · Replies 2 · Aug 17, 2011

Replies: 2

Views: 5K

Atomic Shell Theory: Bohr-Sommerfeld model

Aug 8, 2011 · Replies 20 · Aug 16, 2011

Replies: 20

Views: 17K

Calculating resistivity from relaxation time.

Aug 15, 2011 · Replies 4 · Aug 16, 2011

Replies: 4

Views: 21K

Bravais Lattice in Two Dimensions

Aug 13, 2011 · Replies 4 · Aug 16, 2011

Replies: 4

Views: 5K

As temperature of a conductor increases why does the ratio of

Apr 6, 2011 · Replies 5 · Aug 15, 2011

Replies: 5

Views: 3K

Does metal coating on porous silicon have any effect on band structure?

Aug 12, 2011 · Replies 2 · Aug 14, 2011

Replies: 2

Views: 3K

What is the meaning of k in E(k) diagram?

Aug 10, 2011 · Replies 4 · Aug 12, 2011

Replies: 4

Views: 5K

Polar molecule in electric field

Sep 27, 2007 · Replies 7 · Aug 11, 2011

Replies: 7

Views: 12K

How extract phase angle from reflectance using Kramers-Kronig

Aug 3, 2011 · Replies 8 · Aug 11, 2011

Replies: 8

Views: 13K

Effective masses of the insulator materials

Aug 8, 2011 · Replies 4 · Aug 11, 2011

Replies: 4

Views: 4K

Calculating Total Energy for 1-d Electron Gas

Aug 9, 2011 · Replies 1 · Aug 9, 2011

Replies: 1

Views: 3K

What are the exceptions to Madelung's rule?

Jun 22, 2011 · Replies 2 · Aug 8, 2011

Replies: 2

Views: 8K

CSCL Crystal Structure - Confused by Clarity?

Jul 30, 2011 · Replies 5 · Aug 6, 2011

Replies: 5

Views: 13K

Does gps receiver need synchronization with atomic clock

Aug 3, 2011 · Replies 6 · Aug 5, 2011

Replies: 6

Views: 3K

Why is Rb one of the only things that a BEC can be made from?

Aug 4, 2011 · Replies 1 · Aug 4, 2011

Replies: 1

Views: 3K

2D Ising Model (analytical expressions)

Jul 31, 2011 · Replies 2 · Aug 2, 2011

Replies: 2

Views: 4K

Einstein-de Haas Experiment: Magnetic Dipole Moment Alignment

Jul 30, 2011 · Replies 2 · Aug 1, 2011

Replies: 2

Views: 4K

Electrons in antinodes of orbitals

Jul 30, 2011 · Replies 6 · Aug 1, 2011

Replies: 6

Views: 6K

Born Oppenheimer Approximation and Product Asnatz

Jul 11, 2011 · Replies 34 · Aug 1, 2011

2

Replies: 34

Views: 10K

Combustion and expansion of gases?

Jul 31, 2011 · Replies 1 · Jul 31, 2011

Replies: 1

Views: 7K

Difference of Electron storage in metalloids and metals

Jul 27, 2011 · Replies 7 · Jul 31, 2011

Replies: 7

Views: 5K

Do all five orbitals of the d-sub shell have equal energies?

Jul 18, 2011 · Replies 3 · Jul 30, 2011

Replies: 3

Views: 3K

Crystallography Primer/Reading ?

Jul 29, 2011 · Replies 1 · Jul 29, 2011

Replies: 1

Views: 3K

Dear allI work with a spectrophotometer

Jul 23, 2011 · Replies 1 · Jul 29, 2011

Replies: 1

Views: 2K

How Do Film Badges Used in Nuclear Plants Respond to Microwave Radiation?

Sep 17, 2007 · Replies 2 · Jul 28, 2011

Replies: 2

Views: 6K

What is the activation energy of SiO2 oxidation?

Jul 21, 2011 · Replies 2 · Jul 27, 2011

Replies: 2

Views: 5K

To test exciton binding energy

Jun 23, 2011 · Replies 10 · Jul 26, 2011

Replies: 10

Views: 7K

Why Does Glass Appear Green from the Side but Clear from Above?

Jul 25, 2011 · Replies 2 · Jul 25, 2011

Replies: 2

Views: 4K

Significance of the Electron's Orbit in Atomic Structure

Jul 24, 2011 · Replies 2 · Jul 25, 2011

Replies: 2

Views: 8K

Vary Band Gap in Graphene Nanoribbon for Transistor Research

Sep 8, 2010 · Replies 6 · Jul 24, 2011

Replies: 6

Views: 7K

What Are the Rules for Electron Absorption and Emission in Atoms?

Jul 21, 2011 · Replies 3 · Jul 22, 2011

Replies: 3

Views: 4K

Kramers-Kronig relations for limited data point

Jul 18, 2011 · Replies 1 · Jul 22, 2011

Replies: 1

Views: 4K

Ionisation of semiconductor atoms

Jul 22, 2011 · Replies 2 · Jul 22, 2011

Replies: 2

Views: 3K

How do constraints affect the Hamiltonian in mean-field approximation?

Jul 19, 2011 · Replies 2 · Jul 19, 2011

Replies: 2

Views: 4K

Mobility of Electrons: Why are They More Mobile than Holes?

Mar 2, 2008 · Replies 5 · Jul 19, 2011

Replies: 5

Views: 8K

Finding Website with Vibrational Energy & StatMech Explanations

Jul 18, 2011 · Replies 1 · Jul 19, 2011

Replies: 1

Views: 2K

Why do we choose specific spin orbitals in Hartree Fock theory?

Jun 25, 2011 · Replies 9 · Jul 18, 2011

Replies: 9

Views: 7K

Hartree Fock: Which orbitals have to be choosen?

Jul 14, 2011 · Replies 24 · Jul 17, 2011

Replies: 24

Views: 7K

T2 in Nuclear Magnetic Resonance & MRI

Jul 16, 2011 · Replies 1 · Jul 17, 2011

Replies: 1

Views: 4K

Spin transport (diffusion and ballistic)

Jul 14, 2011 · Replies 3 · Jul 16, 2011

Replies: 3

Views: 6K

Find the Rhombohedral Structure High-Symmetry Points of Bismuth

Jul 5, 2011 · Replies 1 · Jul 15, 2011

Replies: 1

Views: 5K

High symmetry points for a GaAs superlattice

Jul 13, 2011 · Replies 1 · Jul 14, 2011

Replies: 1

Views: 4K

About the semicondunctor quantum well

Jul 12, 2011 · Replies 11 · Jul 14, 2011

Replies: 11

Views: 4K

Kohn Sham, calculation of electronic density

Jun 29, 2011 · Replies 6 · Jul 13, 2011

Replies: 6

Views: 5K

Fermi Surface Nesting: Explained

Oct 21, 2005 · Replies 7 · Jul 13, 2011

Replies: 7

Views: 31K

Phonon Modes and Vanishing Eigenvalues in Periodic Lattices

Jun 14, 2011 · Replies 4 · Jul 11, 2011

Replies: 4

Views: 3K

Radial Distribution Function for HCP and FCC lattices

Jul 10, 2011 · Replies 1 · Jul 10, 2011

Replies: 1

Views: 6K

Atoms in a Solid: Separate but Connected

Jul 5, 2011 · Replies 3 · Jul 10, 2011

Replies: 3

Views: 4K

Raman spectroscopy: data analysis: convolution

Jul 9, 2011 · Replies 3 · Jul 10, 2011

Replies: 3

Views: 5K

HOW TO CALCULATE THE RESULTS OF Fe2+ Ti4+ CHARGE TRANSFER COMPLEX IN SAPPHIRE

Jul 3, 2011 · Replies 6 · Jul 9, 2011

Replies: 6

Views: 5K

Atoms and sub-atomic particles.

Jul 8, 2011 · Replies 2 · Jul 8, 2011

Replies: 2

Views: 3K

Murnaghan equation for lattice parameters?

Jun 25, 2011 · Replies 5 · Jul 8, 2011

Replies: 5

Views: 6K

Phase transition in one dimension

Jul 8, 2011 · Replies 1 · Jul 8, 2011

Replies: 1

Views: 4K

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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