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  1. Polyamorph

    A Viscosity from DFT (VASP) using the Green-Kubo relation

    Jun 21, 2018 at 5:08 AM
    2
    196
    Replies: 2
    0
  2. Kumar Kurambakurash

    A Symmetries of a Diamond Unit Cell - Point Group Confusion

    Jun 18, 2018 at 7:35 PM
    3
    323
    Replies: 3
    2
  3. Shikatsuki

    A Size of nuclei wave function in a crystal

    Jun 14, 2018
    1
    312
    Replies: 1
    0
  4. Sagar Rawal

    A Mott insulators and electron-electron insulators

    Jun 12, 2018
    2
    322
    Replies: 2
    0
  5. GiovanniNunziante

    A Derivation of the Heisenberg equation for electron density

    Jun 12, 2018
    2
    248
    Replies: 2
    1
  6. ftft

    I Difference between A and B irreps

    Jun 11, 2018
    4
    254
    Replies: 4
    0
  7. raeed

    I I need help understanding the meaning of Bloch waves

    Jun 10, 2018
    2
    573
    Replies: 2
    0
  8. howl

    A Do thermal quantities change in quantum phase transition?

    Jun 9, 2018
    1
    205
    Replies: 1
    0
  9. nashsth

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

    Jun 9, 2018
    3
    351
    Replies: 3
    0
  10. vancouver_water

    I What does this notation mean? ex: 1s:A, 1s:E

    Jun 8, 2018
    1
    181
    Replies: 1
    0
  11. hagar

    B Is this real verified science?

    Jun 7, 2018
    5
    431
    Replies: 5
    4
  12. cozycoz

    I Temperature limits on Debye's Calculationp

    Jun 4, 2018
    2
    263
    Replies: 2
    0
  13. snorkack

    I Allowed infrared absorption in simple London crystals

    Jun 4, 2018
    2
    160
    Replies: 2
    0
  14. Jhon81

    A Absorption spectrum

    Jun 4, 2018
    12
    556
    Replies: 12
    0
  15. EdB

    A Surface states of 3D topological insulators

    Jun 2, 2018
    3
    181
    Replies: 3
    0
  16. phixmin

    A Measuring Viscosity via the Speed of Sound

    May 31, 2018
    3
    196
    Replies: 3
    1
  17. Hamza Elkotfi

    A 1D materials : DFT study

    May 29, 2018
    2
    205
    Replies: 2
    1
  18. fog37

    I Radiative and Nonradiative Transitions

    May 28, 2018
    3
    223
    Replies: 3
    0
  19. Philethan

    A High-field Hall effect and magnetoresistance

    May 26, 2018
    1
    232
    Replies: 1
    0
  20. Nod

    A Charge density of carbon nanotubes and graphene

    May 24, 2018
    3
    294
    Replies: 3
    0
  21. Philethan

    A Bloch theorem proof with V(x)=V(x+ma)

    May 23, 2018
    5
    325
    Replies: 5
    3
  22. Juanchotutata

    Band diagram, conductivity tensor

    May 21, 2018
    3
    426
    Replies: 3
    0
  23. Philethan

    A Why do we need to know "two-bands" Hall coefficient and magn

    May 20, 2018
    2
    169
    Replies: 2
    1
  24. howl

    A Is block spin still ±1?

    May 19, 2018
    3
    276
    Replies: 3
    0
  25. DariusP

    I What are the applications of YBCO bulks?

    May 18, 2018
    1
    173
    Replies: 1
    0
  26. DariusP

    I How much does it cost to synthesize YBCO?

    May 18, 2018
    17
    615
    Replies: 17
    8
  27. Bikash Kumar Das

    I How are relative permitivity and relative permeability related to the refractive index?

    May 17, 2018
    5
    315
    Replies: 5
    3
  28. Dor

    I What should be continuous at the interface of two materials?

    May 15, 2018
    8
    420
    Replies: 8
    1
  29. fluidistic

    I Do electrons have a net motion when a DC voltage is applied?

    May 14, 2018
    7
    485
    Replies: 7
    4
  30. anahita

    I What is zero and infinite effective mass?

    May 13, 2018
    5
    308
    Replies: 5
    1
  31. Abigale

    A Do wave-packets of Blochwaves spread over time?

    May 10, 2018
    6
    304
    Replies: 6
    0
  32. DariusP

    I Flux pinning in type 2 superconducotrs

    May 10, 2018
    6
    289
    Replies: 6
    0
  33. thephystudent

    A Criticality, phase transitions and closing bandgap

    May 9, 2018
    6
    308
    Replies: 6
    0
  34. Sagar Rawal

    A What is Mott Transition and its basic Priniciple?

    May 8, 2018
    8
    381
    Replies: 8
    2
  35. cozycoz

    I Density of states

    May 7, 2018
    4
    303
    Replies: 4
    0
  36. Joker93

    A Time reversal symmetry and Bloch states

    May 7, 2018
    2
    322
    Replies: 2
    0
  37. moso

    A Fredholm scattering theory to quantum dissipative system

    May 5, 2018
    1
    269
    Replies: 1
    0
  38. Sophrosyne

    B Spectroscopy of clear gases

    May 4, 2018
    4
    346
    Replies: 4
    3
  39. HastiM

    I Transition energy 2p to 1s

    May 1, 2018
    2
    304
    Replies: 2
    2
  40. Abigale

    A Why is ##\omega_c \tau >>1## for several revolutions?

    Apr 30, 2018
    2
    248
    Replies: 2
    0
  41. sams

    I Dimensions of Angular and Radial Nodes

    Apr 30, 2018
    3
    255
    Replies: 3
    0
  42. Danm91

    I Tail in data of Duane-Hunt limit experiment

    Apr 29, 2018
    1
    222
    Replies: 1
    0
  43. jeffbarrington

    I Heavy/Light Holes, what of Electrons?

    Apr 29, 2018
    5
    258
    Replies: 5
    0
  44. fluidistic

    I A question about antiferromagnetism in an external B field

    Apr 27, 2018
    3
    342
    Replies: 3
    1
  45. howl

    A How many bands does a solid have?

    Apr 27, 2018
    5
    395
    Replies: 5
    0
  46. Clara Chung

    I Question about Powder X-ray diffraction experiment

    Apr 26, 2018
    4
    302
    Replies: 4
    2
  47. harambe

    I Optical reflection by metals

    Apr 25, 2018
    7
    583
    Replies: 7
    2
  48. Abigale

    A Conductivity and Integration over Fermi-Sphere?

    Apr 24, 2018
    2
    242
    Replies: 2
    0
  49. Ferrum

    I Nature of matter: state question

    Apr 23, 2018
    7
    496
    Replies: 7
    1
  50. Joker93

    A How does parity transformation affect Bloch states?

    Apr 22, 2018
    2
    336
    Replies: 2
    0
  51. PAllen
    Featured

    I New result in high temp superconductivity

    Apr 20, 2018
    4
    1,385
    Replies: 4
    10
  52. AD MCFC

    A The Future of "Soft Matter Physics"

    Apr 20, 2018
    5
    553
    Replies: 5
    0
  53. fluidistic

    I Ways to measure voltage?

    Apr 19, 2018
    7
    422
    Replies: 7
    1
  54. nickhobbs

    I Drift velocity in P-N Junctions

    Apr 18, 2018
    3
    402
    Replies: 3
    1
  55. fluidistic

    I Is there a crystal angular momentum?

    Apr 17, 2018
    1
    251
    Replies: 1
    0
  56. Q.B.

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

    Apr 14, 2018
    6
    476
    Replies: 6
    0
  57. koustav

    I Rotational spectra

    Apr 13, 2018
    2
    367
    Replies: 2
    0
  58. nickhobbs

    I Valence band and Fermi level difference?

    Apr 13, 2018
    4
    306
    Replies: 4
    2
  59. bsmile

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

    Apr 13, 2018
    7
    492
    Replies: 7
    1
  60. Jimmy87

    B Superfluid Helium and its use at CERN

    Apr 10, 2018
    17
    663
    Replies: 17
    2
  61. Telemachus

    I Fermi-Dirac distribution, when does it break?

    Apr 7, 2018
    6
    471
    Replies: 6
    4
  62. amjad-sh

    A Creation of spin current

    Apr 6, 2018
    1
    380
    Replies: 1
    1
  63. marksyncm

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

    Apr 6, 2018
    8
    549
    Replies: 8
    2
  64. shivanshu

    B Coloured beam in a discharge tube

    Apr 4, 2018
    7
    379
    Replies: 7
    2
  65. amjad-sh

    A Scattering states at presence of interface with strong SOC

    Apr 4, 2018
    1
    292
    Replies: 1
    0
  66. strauser

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

    Apr 4, 2018
    4
    323
    Replies: 4
    1
  67. Superfluid universe

    A Symmetries in Superfuilds

    Apr 3, 2018
    7
    564
    Replies: 7
    0
  68. MementoMori96

    I Voltmeter and the Hall effect

    Mar 31, 2018
    2
    386
    Replies: 2
    0
  69. amjad-sh

    Spin-orbit coupling at the interface between two metals

    Mar 30, 2018
    3
    299
    Replies: 3
    2
  70. MementoMori96

    I Ohm’s law and magnetic field?

    Mar 29, 2018
    2
    380
    Replies: 2
    0
  71. amjad-sh

    A Inversion symmetry in solids

    Mar 29, 2018
    2
    501
    Replies: 2
    1
  72. Superfluid universe

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

    Mar 29, 2018
    3
    398
    Replies: 3
    0
  73. Greg Bernhardt

    New Material Created Known As 'Kagome Metal'

    Mar 25, 2018
    1
    604
    Replies: 1
    12
  74. camilo

    A Elastically anisotropic sphere under pressure

    Mar 25, 2018
    9
    690
    Replies: 9
    4
  75. barana

    How to plot band structure?

    Mar 23, 2018
    17
    9,057
    Replies: 17
    1
  76. MementoMori96

    I Resistance and magnetic field effects for p-doped Ge

    Mar 22, 2018
    9
    485
    Replies: 9
    0
  77. Bruce_the_physicist

    A Interface states in a PIN diode

    Mar 16, 2018
    1
    470
    Replies: 1
    0
  78. fluidistic

    I Mean speed of electrons in a periodic potential / lattice

    Mar 15, 2018
    3
    413
    Replies: 3
    1
  79. charlesmartin14

    A Nuclear - lattice coupling

    Mar 7, 2018
    1
    470
    Replies: 1
    0
  80. Alex Cros

    I Density of States -- alternative derivation

    Mar 6, 2018
    5
    535
    Replies: 5
    3
  81. Shing

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

    Mar 5, 2018
    1
    432
    Replies: 1
    0
  82. LagrangeEuler

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

    Mar 3, 2018
    1
    429
    Replies: 1
    0
  83. Cuindless

    I Soft Question: Possible Applications of Rydberg Polarons?

    Feb 27, 2018
    2
    371
    Replies: 2
    0
  84. devan

    I Width of one electron shell of a hydrogen atom

    Feb 26, 2018
    4
    461
    Replies: 4
    1
  85. BigDig123

    I Is the total Spin operator a vector

    Feb 25, 2018
    5
    608
    Replies: 5
    0
  86. Yiheng Xu

    A Dyson's equation and Green's functions

    Feb 23, 2018
    1
    1,141
    Replies: 1
    0
  87. gaus12777

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

    Feb 22, 2018
    2
    703
    Replies: 2
    2
  88. neilparker62

    I Ground State Lamb Shift

    Feb 21, 2018
    1
    417
    Replies: 1
    0
  89. Chan Pok Fung

    I Flux pinning effect and hysteresis loop

    Feb 21, 2018
    1
    296
    Replies: 1
    0
  90. shiraz

    A Topological phases

    Feb 20, 2018
    1
    402
    Replies: 1
    0
  91. Quantenpunk

    A Susceptibilites for the Anderson Impurity Model

    Feb 13, 2018
    1
    319
    Replies: 1
    0
  92. Hello890

    I ABC model for GaAs infrared LED

    Feb 12, 2018
    2
    744
    Replies: 2
    0
  93. bt623

    I Feshbach resonance: ELI5 or resources for undergraduate

    Feb 12, 2018
    1
    331
    Replies: 1
    0
  94. Sahar ali

    I Bravais Lattice

    Feb 8, 2018
    1
    444
    Replies: 1
    1
  95. Papatom

    A Reflection or emission of a photon

    Feb 7, 2018
    2
    432
    Replies: 2
    0
  96. Cory Buott

    I Photon BEC Question

    Feb 7, 2018
    2
    362
    Replies: 2
    2
  97. elysia

    A Change in phonon dispersion with pressure

    Feb 6, 2018
    2
    523
    Replies: 2
    0
  98. Hello890

    I Identification of index of Bragg peaks for NaCl

    Feb 6, 2018
    7
    453
    Replies: 7
    0
  99. Hello890

    I How to index single crystal Bragg peaks

    Feb 6, 2018
    3
    462
    Replies: 3
    0
  100. Bishop85

    B Practical use of Bose-Einstein condensate?

    Feb 2, 2018
    7
    550
    Replies: 7
    0
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