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  1. Doc Al

    Atomic, Solid State, Comp. Physics Forum Rules

    Feb 23, 2013

    1

    1
    Replies: 1
  1. PAllen
    Featured

    I New result in high temp superconductivity

    Apr 20, 2018 at 8:59 PM

    4

    10
    Replies: 4
  2. AD MCFC

    A The Future of "Soft Matter Physics"

    Apr 20, 2018 at 2:41 PM

    5

    0
    Replies: 5
  3. Ferrum

    I Nature of matter: state question

    Apr 20, 2018 at 3:43 AM

    6

    1
    Replies: 6
  4. fluidistic

    I Ways to measure voltage?

    Apr 19, 2018 at 3:34 AM

    7

    1
    Replies: 7
  5. nickhobbs

    I Drift velocity in P-N Junctions

    Apr 18, 2018 at 2:23 PM

    3

    1
    Replies: 3
  6. fluidistic

    I Is there a crystal angular momentum?

    Apr 17, 2018 at 6:37 AM

    1

    0
    Replies: 1
  7. Joker93

    A How does parity transformation affect Bloch states?

    Apr 16, 2018 at 1:29 PM

    0

    0
    Replies: 0
  8. Q.B.

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

    Apr 14, 2018

    6

    0
    Replies: 6
  9. koustav

    I Rotational spectra

    Apr 13, 2018

    2

    0
    Replies: 2
  10. nickhobbs

    I Valence band and Fermi level difference?

    Apr 13, 2018

    4

    2
    Replies: 4
  11. bsmile

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

    Apr 13, 2018

    7

    1
    Replies: 7
  12. Jimmy87

    B Superfluid Helium and its use at CERN

    Apr 10, 2018

    17

    2
    Replies: 17
  13. Telemachus

    I Fermi-Dirac distribution, when does it break?

    Apr 7, 2018

    6

    4
    Replies: 6
  14. amjad-sh

    A Creation of spin current

    Apr 6, 2018

    1

    1
    Replies: 1
  15. marksyncm

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

    Apr 6, 2018

    8

    2
    Replies: 8
  16. shivanshu

    B Coloured beam in a discharge tube

    Apr 4, 2018

    7

    2
    Replies: 7
  17. amjad-sh

    A Scattering states at presence of interface with strong SOC

    Apr 4, 2018

    1

    0
    Replies: 1
  18. strauser

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

    Apr 4, 2018

    4

    1
    Replies: 4
  19. Superfluid universe

    A Symmetries in Superfuilds

    Apr 3, 2018

    7

    0
    Replies: 7
  20. MementoMori96

    I Voltmeter and the Hall effect

    Mar 31, 2018

    2

    0
    Replies: 2
  21. amjad-sh

    Spin-orbit coupling at the interface between two metals

    Mar 30, 2018

    3

    2
    Replies: 3
  22. MementoMori96

    I Ohm’s law and magnetic field?

    Mar 29, 2018

    2

    0
    Replies: 2
  23. amjad-sh

    A Inversion symmetry in solids

    Mar 29, 2018

    2

    1
    Replies: 2
  24. Superfluid universe

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

    Mar 29, 2018

    3

    0
    Replies: 3
  25. Greg Bernhardt

    New Material Created Known As 'Kagome Metal'

    Mar 25, 2018

    1

    10
    Replies: 1
  26. camilo

    A Elastically anisotropic sphere under pressure

    Mar 25, 2018

    9

    4
    Replies: 9
  27. barana

    How to plot band structure?

    Mar 23, 2018

    17

    1
    Replies: 17
  28. MementoMori96

    I Resistance and magnetic field effects for p-doped Ge

    Mar 22, 2018

    9

    0
    Replies: 9
  29. Bruce_the_physicist

    A Interface states in a PIN diode

    Mar 16, 2018

    1

    0
    Replies: 1
  30. fluidistic

    I Mean speed of electrons in a periodic potential / lattice

    Mar 15, 2018

    3

    1
    Replies: 3
  31. charlesmartin14

    A Nuclear - lattice coupling

    Mar 7, 2018

    1

    0
    Replies: 1
  32. Alex Cros

    I Density of States -- alternative derivation

    Mar 6, 2018

    5

    2
    Replies: 5
  33. Shing

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

    Mar 5, 2018

    1

    0
    Replies: 1
  34. LagrangeEuler

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

    Mar 3, 2018

    1

    0
    Replies: 1
  35. raeed

    I I need help understanding the meaning of Bloch waves

    Feb 28, 2018

    1

    0
    Replies: 1
  36. Cuindless

    I Soft Question: Possible Applications of Rydberg Polarons?

    Feb 27, 2018

    2

    0
    Replies: 2
  37. devan

    I Width of one electron shell of a hydrogen atom

    Feb 26, 2018

    4

    0
    Replies: 4
  38. BigDig123

    I Is the total Spin operator a vector

    Feb 25, 2018

    5

    0
    Replies: 5
  39. Yiheng Xu

    A Dyson's equation and Green's functions

    Feb 23, 2018

    1

    0
    Replies: 1
  40. gaus12777

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

    Feb 22, 2018

    2

    2
    Replies: 2
  41. neilparker62

    I Ground State Lamb Shift

    Feb 21, 2018

    1

    0
    Replies: 1
  42. Chan Pok Fung

    I Flux pinning effect and hysteresis loop

    Feb 21, 2018

    1

    0
    Replies: 1
  43. shiraz

    A Topological phases

    Feb 20, 2018

    1

    0
    Replies: 1
  44. Quantenpunk

    A Susceptibilites for the Anderson Impurity Model

    Feb 13, 2018

    1

    0
    Replies: 1
  45. Hello890

    I ABC model for GaAs infrared LED

    Feb 12, 2018

    2

    0
    Replies: 2
  46. bt623

    I Feshbach resonance: ELI5 or resources for undergraduate

    Feb 12, 2018

    1

    0
    Replies: 1
  47. Sahar ali

    I Bravais Lattice

    Feb 8, 2018

    1

    1
    Replies: 1
  48. Papatom

    A Reflection or emission of a photon

    Feb 7, 2018

    2

    0
    Replies: 2
  49. Cory Buott

    I Photon BEC Question

    Feb 7, 2018

    2

    2
    Replies: 2
  50. elysia

    A Change in phonon dispersion with pressure

    Feb 6, 2018

    2

    0
    Replies: 2
  51. Hello890

    I Identification of index of Bragg peaks for NaCl

    Feb 6, 2018

    7

    0
    Replies: 7
  52. Hello890

    I How to index single crystal Bragg peaks

    Feb 6, 2018

    3

    0
    Replies: 3
  53. Bishop85

    B Practical use of Bose-Einstein condensate?

    Feb 2, 2018

    7

    0
    Replies: 7
  54. MathematicalPhysicist

    A Derivation in Ashcroft and Mermin (The Pseudopotential)

    Feb 1, 2018

    11

    1
    Replies: 11
  55. Joker93

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

    Jan 31, 2018

    3

    0
    Replies: 3
  56. bbbl67

    I Device creates negative mass?

    Jan 24, 2018

    16

    6
    Replies: 16
  57. Auto-Didact
    Featured

    I Metallic hydrogen created in the lab

    ... 2
    Jan 20, 2018

    29

    22
    Replies: 29
  58. Demystifier

    I Where does the name of XY model come from?

    Jan 16, 2018

    1

    1
    Replies: 1
  59. howl

    A How to calculate the degeneracy of an energy band?

    Jan 15, 2018

    3

    0
    Replies: 3
  60. Myriam

    I MPMS and SQUİD

    Jan 12, 2018

    4

    0
    Replies: 4
  61. betelgeuse91

    A Laser beam represented with complex conjugate?

    Jan 11, 2018

    2

    0
    Replies: 2
  62. MatsNorway

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

    Jan 9, 2018

    3

    0
    Replies: 3
  63. freemp

    A Localized plasmon and bulk plasmon on a nanoparticle

    Jan 8, 2018

    1

    0
    Replies: 1
  64. Another

    I How do I make an atomic oscillation?

    Jan 7, 2018

    8

    1
    Replies: 8
  65. M Ivker

    A Hypersonic sound speed?

    Jan 3, 2018

    2

    1
    Replies: 2
  66. aaroman

    I Density Functional Theory and pseudopotentials

    Jan 2, 2018

    2

    0
    Replies: 2
  67. BrandonBerchtold

    I Hydrogen plasma compression with liquid Mercury piston

    Dec 31, 2017

    1

    0
    Replies: 1
  68. Hami Hashmi

    I What are Superinsulators?

    Dec 27, 2017

    2

    5
    Replies: 2
  69. Butch

    Table of atomic radii

    Dec 21, 2017

    1

    0
    Replies: 1
  70. Ghazanfar

    F-N tunneling

    Dec 17, 2017

    1

    0
    Replies: 1
  71. songoku

    B About Laser Production

    Dec 17, 2017

    11

    7
    Replies: 11
  72. Vertex70NA

    A Light polarization in charged exciton in Voigt configuration

    Dec 16, 2017

    1

    0
    Replies: 1
  73. Sudip Ghimire

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

    Dec 11, 2017

    1

    0
    Replies: 1
  74. homedoc

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

    Dec 10, 2017

    1

    0
    Replies: 1
  75. limitkiller

    B Molecular Vibration of Solids

    Dec 6, 2017

    12

    4
    Replies: 12
  76. MathematicalPhysicist

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

    Dec 4, 2017

    2

    1
    Replies: 2
  77. Filipa

    I What is an optically active electron?

    Dec 2, 2017

    1

    1
    Replies: 1
  78. twosockz

    I Laue Diffraction Intensity Distribution

    Nov 29, 2017

    1

    1
    Replies: 1
  79. MMS

    A 4He fluid with a mass

    Nov 28, 2017

    1

    0
    Replies: 1
  80. SeM

    A What is a tilted vortex line?

    Nov 28, 2017

    2

    0
    Replies: 2
  81. demLara

    A Semiconductor temperature

    Nov 24, 2017

    3

    0
    Replies: 3
  82. zapnthund50

    B Absorption bands of liquid and vapor water

    Nov 20, 2017

    2

    0
    Replies: 2
  83. minerva

    A Permittivity of aluminium

    Nov 19, 2017

    4

    1
    Replies: 4
  84. f95toli

    A Surface excitons on dielectric surfaces/interfaces

    Nov 19, 2017

    1

    0
    Replies: 1
  85. Sebastiaan

    I Regarding the precision and accuracy of Atomic mass

    Nov 19, 2017

    2

    0
    Replies: 2
  86. avkr

    I Rotational Spectra

    Nov 17, 2017

    1

    0
    Replies: 1
  87. Griffin Kowash

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

    Nov 15, 2017

    3

    0
    Replies: 3
  88. misko

    I P & Q branches confusion in rovibrational transitions + rant

    Nov 13, 2017

    7

    2
    Replies: 7
  89. HungryBunny

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

    Nov 6, 2017

    1

    0
    Replies: 1
  90. gonadas91

    A Anderson model with no hybridization

    Nov 6, 2017

    1

    0
    Replies: 1
  91. lichen1983312

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

    Nov 5, 2017

    2

    0
    Replies: 2
  92. PRB147

    A The analytical linear tetrahedron method?

    Nov 4, 2017

    4

    0
    Replies: 4
  93. Swamp Thing

    I Detectable interference between counter-propagating modes

    Nov 3, 2017

    4

    0
    Replies: 4
  94. Alexander Bourdeau

    I Semiconductor doping

    Oct 31, 2017

    10

    0
    Replies: 10
  95. TopologicalPassion

    A Self-Teaching Topological Insulators/Phases/Symmetry

    Oct 31, 2017

    2

    1
    Replies: 2
  96. sanman

    A 'Massless' Electrons in Graphene

    Oct 24, 2017

    4

    2
    Replies: 4
  97. MathematicalPhysicist

    I Weiss molecular field theory

    Oct 23, 2017

    5

    2
    Replies: 5
  98. mthudaa

    A Semiconductor can be a conductor

    Oct 22, 2017

    5

    2
    Replies: 5
  99. Swapnil Patil

    A Determination of photoelectron counts from the ARPES signal

    Oct 21, 2017

    2

    0
    Replies: 2
  100. DeathbyGreen

    I AC/Optical conductivity

    Oct 20, 2017

    3

    0
    Replies: 3
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