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  1. Doc Al

    Atomic, Solid State, Comp. Physics Forum Rules

    Feb 23, 2013

    1

    1
    Replies: 1
  1. Ferrum

    I Nature of matter: state question

    Apr 23, 2018 at 2:41 PM

    7

    1
    Replies: 7
  2. Clara Chung

    I Question about Powder X-ray diffraction experiment

    Apr 23, 2018 at 10:59 AM

    3

    2
    Replies: 3
  3. howl

    A How many bands does a solid have?

    Apr 23, 2018 at 9:13 AM

    1

    0
    Replies: 1
  4. Jimtaff

    I Do we make atoms of Oganneson etc or are they nuclei?

    N/A

    –
    Replies: –
  5. harambe

    I Optical reflection of metals

    Apr 22, 2018 at 11:23 AM

    3

    1
    Replies: 3
  6. Joker93

    A How does parity transformation affect Bloch states?

    Apr 22, 2018 at 6:53 AM

    2

    0
    Replies: 2
  7. fluidistic

    I A question about antiferromagnetism in an external B field

    Apr 21, 2018 at 1:24 PM

    0

    0
    Replies: 0
  8. nashsth

    I Are solar cells operated under any kind of bias or not?

    Apr 21, 2018 at 12:52 PM

    1

    0
    Replies: 1
  9. PAllen
    Featured

    I New result in high temp superconductivity

    Apr 20, 2018 at 8:59 PM

    4

    10
    Replies: 4
  10. AD MCFC

    A The Future of "Soft Matter Physics"

    Apr 20, 2018 at 2:41 PM

    5

    0
    Replies: 5
  11. fluidistic

    I Ways to measure voltage?

    Apr 19, 2018 at 3:34 AM

    7

    1
    Replies: 7
  12. nickhobbs

    I Drift velocity in P-N Junctions

    Apr 18, 2018 at 2:23 PM

    3

    1
    Replies: 3
  13. fluidistic

    I Is there a crystal angular momentum?

    Apr 17, 2018 at 6:37 AM

    1

    0
    Replies: 1
  14. Q.B.

    I Why can't there be a 2-level laser with Non-Optical Pumping

    Apr 14, 2018

    6

    0
    Replies: 6
  15. koustav

    I Rotational spectra

    Apr 13, 2018

    2

    0
    Replies: 2
  16. nickhobbs

    I Valence band and Fermi level difference?

    Apr 13, 2018

    4

    2
    Replies: 4
  17. bsmile

    A How to recover wavefunction at all K points? (ab initio calculations for periodic systems)

    Apr 13, 2018

    7

    1
    Replies: 7
  18. Jimmy87

    B Superfluid Helium and its use at CERN

    Apr 10, 2018

    17

    2
    Replies: 17
  19. Telemachus

    I Fermi-Dirac distribution, when does it break?

    Apr 7, 2018

    6

    4
    Replies: 6
  20. amjad-sh

    A Creation of spin current

    Apr 6, 2018

    1

    1
    Replies: 1
  21. marksyncm

    I Why don't absorption and emission spectra "cancel out"?

    Apr 6, 2018

    8

    2
    Replies: 8
  22. shivanshu

    B Coloured beam in a discharge tube

    Apr 4, 2018

    7

    2
    Replies: 7
  23. amjad-sh

    A Scattering states at presence of interface with strong SOC

    Apr 4, 2018

    1

    0
    Replies: 1
  24. strauser

    I Boltzmann Distribution: Feynman's treatment of p-n junction

    Apr 4, 2018

    4

    1
    Replies: 4
  25. Superfluid universe

    A Symmetries in Superfuilds

    Apr 3, 2018

    7

    0
    Replies: 7
  26. MementoMori96

    I Voltmeter and the Hall effect

    Mar 31, 2018

    2

    0
    Replies: 2
  27. amjad-sh

    Spin-orbit coupling at the interface between two metals

    Mar 30, 2018

    3

    2
    Replies: 3
  28. MementoMori96

    I Ohm’s law and magnetic field?

    Mar 29, 2018

    2

    0
    Replies: 2
  29. amjad-sh

    A Inversion symmetry in solids

    Mar 29, 2018

    2

    1
    Replies: 2
  30. Superfluid universe

    I How is this formula for the speed of sound derived?

    Mar 29, 2018

    3

    0
    Replies: 3
  31. Greg Bernhardt

    New Material Created Known As 'Kagome Metal'

    Mar 25, 2018

    1

    10
    Replies: 1
  32. camilo

    A Elastically anisotropic sphere under pressure

    Mar 25, 2018

    9

    4
    Replies: 9
  33. barana

    How to plot band structure?

    Mar 23, 2018

    17

    1
    Replies: 17
  34. MementoMori96

    I Resistance and magnetic field effects for p-doped Ge

    Mar 22, 2018

    9

    0
    Replies: 9
  35. Bruce_the_physicist

    A Interface states in a PIN diode

    Mar 16, 2018

    1

    0
    Replies: 1
  36. fluidistic

    I Mean speed of electrons in a periodic potential / lattice

    Mar 15, 2018

    3

    1
    Replies: 3
  37. charlesmartin14

    A Nuclear - lattice coupling

    Mar 7, 2018

    1

    0
    Replies: 1
  38. Alex Cros

    I Density of States -- alternative derivation

    Mar 6, 2018

    5

    2
    Replies: 5
  39. Shing

    I Is there a frequency cutoff for Debye theory of capillary waves?

    Mar 5, 2018

    1

    0
    Replies: 1
  40. LagrangeEuler

    A The Hamiltonian of the XY model -- when is it called the XX model?

    Mar 3, 2018

    1

    0
    Replies: 1
  41. raeed

    I I need help understanding the meaning of Bloch waves

    Feb 28, 2018

    1

    0
    Replies: 1
  42. Cuindless

    I Soft Question: Possible Applications of Rydberg Polarons?

    Feb 27, 2018

    2

    0
    Replies: 2
  43. devan

    I Width of one electron shell of a hydrogen atom

    Feb 26, 2018

    4

    0
    Replies: 4
  44. BigDig123

    I Is the total Spin operator a vector

    Feb 25, 2018

    5

    0
    Replies: 5
  45. Yiheng Xu

    A Dyson's equation and Green's functions

    Feb 23, 2018

    1

    0
    Replies: 1
  46. gaus12777

    I What is the meaning of numbers like this in crystallography? (0001)

    Feb 22, 2018

    2

    2
    Replies: 2
  47. neilparker62

    I Ground State Lamb Shift

    Feb 21, 2018

    1

    0
    Replies: 1
  48. Chan Pok Fung

    I Flux pinning effect and hysteresis loop

    Feb 21, 2018

    1

    0
    Replies: 1
  49. shiraz

    A Topological phases

    Feb 20, 2018

    1

    0
    Replies: 1
  50. Quantenpunk

    A Susceptibilites for the Anderson Impurity Model

    Feb 13, 2018

    1

    0
    Replies: 1
  51. Hello890

    I ABC model for GaAs infrared LED

    Feb 12, 2018

    2

    0
    Replies: 2
  52. bt623

    I Feshbach resonance: ELI5 or resources for undergraduate

    Feb 12, 2018

    1

    0
    Replies: 1
  53. Sahar ali

    I Bravais Lattice

    Feb 8, 2018

    1

    1
    Replies: 1
  54. Papatom

    A Reflection or emission of a photon

    Feb 7, 2018

    2

    0
    Replies: 2
  55. Cory Buott

    I Photon BEC Question

    Feb 7, 2018

    2

    2
    Replies: 2
  56. elysia

    A Change in phonon dispersion with pressure

    Feb 6, 2018

    2

    0
    Replies: 2
  57. Hello890

    I Identification of index of Bragg peaks for NaCl

    Feb 6, 2018

    7

    0
    Replies: 7
  58. Hello890

    I How to index single crystal Bragg peaks

    Feb 6, 2018

    3

    0
    Replies: 3
  59. Bishop85

    B Practical use of Bose-Einstein condensate?

    Feb 2, 2018

    7

    0
    Replies: 7
  60. MathematicalPhysicist

    A Derivation in Ashcroft and Mermin (The Pseudopotential)

    Feb 1, 2018

    11

    1
    Replies: 11
  61. Joker93

    A Physical meaning of terms in the Qi, Wu, Zhang model

    Jan 31, 2018

    3

    0
    Replies: 3
  62. bbbl67

    I Device creates negative mass?

    Jan 24, 2018

    16

    6
    Replies: 16
  63. Auto-Didact
    Featured

    I Metallic hydrogen created in the lab

    ... 2
    Jan 20, 2018

    29

    22
    Replies: 29
  64. Demystifier

    I Where does the name of XY model come from?

    Jan 16, 2018

    1

    1
    Replies: 1
  65. howl

    A How to calculate the degeneracy of an energy band?

    Jan 15, 2018

    3

    0
    Replies: 3
  66. Myriam

    I MPMS and SQUİD

    Jan 12, 2018

    4

    0
    Replies: 4
  67. betelgeuse91

    A Laser beam represented with complex conjugate?

    Jan 11, 2018

    2

    0
    Replies: 2
  68. MatsNorway

    I Examples of atoms that have more than 8 electrons in shell

    Jan 9, 2018

    3

    0
    Replies: 3
  69. freemp

    A Localized plasmon and bulk plasmon on a nanoparticle

    Jan 8, 2018

    1

    0
    Replies: 1
  70. Another

    I How do I make an atomic oscillation?

    Jan 7, 2018

    8

    1
    Replies: 8
  71. M Ivker

    A Hypersonic sound speed?

    Jan 3, 2018

    2

    1
    Replies: 2
  72. aaroman

    I Density Functional Theory and pseudopotentials

    Jan 2, 2018

    2

    0
    Replies: 2
  73. BrandonBerchtold

    I Hydrogen plasma compression with liquid Mercury piston

    Dec 31, 2017

    1

    0
    Replies: 1
  74. Hami Hashmi

    I What are Superinsulators?

    Dec 27, 2017

    2

    5
    Replies: 2
  75. Butch

    Table of atomic radii

    Dec 21, 2017

    1

    0
    Replies: 1
  76. Ghazanfar

    F-N tunneling

    Dec 17, 2017

    1

    0
    Replies: 1
  77. songoku

    B About Laser Production

    Dec 17, 2017

    11

    7
    Replies: 11
  78. Vertex70NA

    A Light polarization in charged exciton in Voigt configuration

    Dec 16, 2017

    1

    0
    Replies: 1
  79. Sudip Ghimire

    A What is the value of optical effective electron mass for tin

    Dec 11, 2017

    1

    0
    Replies: 1
  80. homedoc

    A Do Falaco solitons also occur in water on a microscopic scale

    Dec 10, 2017

    1

    0
    Replies: 1
  81. limitkiller

    B Molecular Vibration of Solids

    Dec 6, 2017

    12

    4
    Replies: 12
  82. MathematicalPhysicist

    A Ashcroft and Mermin's chapter 3, difficulties...

    Dec 4, 2017

    2

    1
    Replies: 2
  83. Filipa

    I What is an optically active electron?

    Dec 2, 2017

    1

    1
    Replies: 1
  84. twosockz

    I Laue Diffraction Intensity Distribution

    Nov 29, 2017

    1

    1
    Replies: 1
  85. MMS

    A 4He fluid with a mass

    Nov 28, 2017

    1

    0
    Replies: 1
  86. SeM

    A What is a tilted vortex line?

    Nov 28, 2017

    2

    0
    Replies: 2
  87. demLara

    A Semiconductor temperature

    Nov 24, 2017

    3

    0
    Replies: 3
  88. zapnthund50

    B Absorption bands of liquid and vapor water

    Nov 20, 2017

    2

    0
    Replies: 2
  89. minerva

    A Permittivity of aluminium

    Nov 19, 2017

    4

    1
    Replies: 4
  90. f95toli

    A Surface excitons on dielectric surfaces/interfaces

    Nov 19, 2017

    1

    0
    Replies: 1
  91. Sebastiaan

    I Regarding the precision and accuracy of Atomic mass

    Nov 19, 2017

    2

    0
    Replies: 2
  92. avkr

    I Rotational Spectra

    Nov 17, 2017

    1

    0
    Replies: 1
  93. Griffin Kowash

    I Relationship between the depletion region and the band gap of a diode?

    Nov 15, 2017

    3

    0
    Replies: 3
  94. misko

    I P & Q branches confusion in rovibrational transitions + rant

    Nov 13, 2017

    7

    2
    Replies: 7
  95. HungryBunny

    I Phase diagram of MI/SF transition Bose-Hubbard model

    Nov 6, 2017

    1

    0
    Replies: 1
  96. gonadas91

    A Anderson model with no hybridization

    Nov 6, 2017

    1

    0
    Replies: 1
  97. lichen1983312

    A Why is the nearest hopping kept real in Haldane model?

    Nov 5, 2017

    2

    0
    Replies: 2
  98. PRB147

    A The analytical linear tetrahedron method?

    Nov 4, 2017

    4

    0
    Replies: 4
  99. Swamp Thing

    I Detectable interference between counter-propagating modes

    Nov 3, 2017

    4

    0
    Replies: 4
  100. Alexander Bourdeau

    I Semiconductor doping

    Oct 31, 2017

    10

    0
    Replies: 10
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