Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Atomic and Condensed Matter Forum

Filter:

B I A Insights
Page 1 of 58

Sort By:
Title
Last Date ↓
Replies/Views Likes
  1. howl

    A Two questions on Feynman diagram and Green's function

    Aug 19, 2018 at 2:38 PM
    1
    271
    Replies: 1
    0
  2. amjad-sh

    A Spin chemical potential

    Aug 15, 2018 at 1:04 PM
    0
    180
    Replies: 0
    0
  3. QuarkDecay

    A Doubly excited Atom of Helium

    Aug 13, 2018
    1
    168
    Replies: 1
    1
  4. kyraz

    A Hamaker constant and effective attraction

    Aug 12, 2018
    1
    200
    Replies: 1
    0
  5. yeyintkoko

    I Effective electron mass of tungsten

    Aug 11, 2018
    3
    325
    Replies: 3
    0
  6. Zahid Iftikhar

    I Helium Neon Laser

    Aug 10, 2018
    4
    328
    Replies: 4
    1
  7. Asmaa

    B I want to know about cold finger cryostat?

    Aug 9, 2018
    1
    170
    Replies: 1
    1
  8. Gamdschiee

    A Diffraction on periodic Structures

    ... 2
    Aug 8, 2018
    32
    964
    Replies: 32
    18
  9. says

    I Tight Binding Method

    Aug 8, 2018
    1
    234
    Replies: 1
    0
  10. fluidistic

    I How come electrons and phonons lead to the heat equation?

    Aug 3, 2018
    14
    695
    Replies: 14
    1
  11. jedishrfu

    B Great Video on Magnons

    Jul 31, 2018
    1
    202
    Replies: 1
    1
  12. fluidistic

    I Basic questions about superconductivity

    Jul 29, 2018
    10
    679
    Replies: 10
    5
  13. thariya

    I The sign of coupling Hamiltonian in CQED

    Jul 25, 2018
    4
    751
    Replies: 4
    2
  14. Vagn

    A Photovoltaic Effect in CdS or CdSe

    Jul 25, 2018
    3
    230
    Replies: 3
    0
  15. Spinnor

    I Noble gases with even nuclear spin form superfluids?

    Jul 16, 2018
    1
    332
    Replies: 1
    0
  16. James J

    I Bloch Waves within Tight Binding Approximation

    Jul 11, 2018
    1
    191
    Replies: 1
    0
  17. lichen1983312

    A The hermicity of a k.p matrix?

    Jul 9, 2018
    2
    346
    Replies: 2
    0
  18. lichen1983312

    A The k direction in a k.p model ?

    Jul 6, 2018
    4
    319
    Replies: 4
    0
  19. thefacemyer

    A Incorrect Hybrid Polariton Dispersion Results

    Jul 5, 2018
    16
    563
    Replies: 16
    0
  20. howl

    A What's the meaning of "Incompressible" for FQHE?

    Jul 1, 2018
    2
    435
    Replies: 2
    1
  21. HAYAO

    A Help with determination of crystal orientation

    Jul 1, 2018
    5
    334
    Replies: 5
    0
  22. Polyamorph

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

    Jun 26, 2018
    9
    701
    Replies: 9
    1
  23. Kumar Kurambakurash

    A Symmetries of a Diamond Unit Cell - Point Group Confusion

    Jun 18, 2018
    3
    454
    Replies: 3
    2
  24. Shikatsuki

    A Size of nuclei wave function in a crystal

    Jun 14, 2018
    1
    492
    Replies: 1
    0
  25. Sagar Rawal

    A Mott insulators and electron-electron insulators

    Jun 12, 2018
    2
    484
    Replies: 2
    0
  26. GiovanniNunziante

    A Derivation of the Heisenberg equation for electron density

    Jun 12, 2018
    2
    410
    Replies: 2
    1
  27. ftft

    I Difference between A and B irreps

    Jun 11, 2018
    4
    364
    Replies: 4
    0
  28. raeed

    I I need help understanding the meaning of Bloch waves

    Jun 10, 2018
    2
    663
    Replies: 2
    0
  29. howl

    A Do thermal quantities change in quantum phase transition?

    Jun 9, 2018
    1
    309
    Replies: 1
    0
  30. nashsth

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

    Jun 9, 2018
    3
    506
    Replies: 3
    0
  31. vancouver_water

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

    Jun 8, 2018
    1
    273
    Replies: 1
    0
  32. hagar

    B Is this real verified science?

    Jun 7, 2018
    5
    561
    Replies: 5
    4
  33. cozycoz

    I Temperature limits on Debye's Calculationp

    Jun 4, 2018
    2
    354
    Replies: 2
    0
  34. snorkack

    I Allowed infrared absorption in simple London crystals

    Jun 4, 2018
    2
    219
    Replies: 2
    0
  35. Jhon81

    A Absorption spectrum

    Jun 4, 2018
    12
    649
    Replies: 12
    0
  36. EdB

    A Surface states of 3D topological insulators

    Jun 2, 2018
    3
    273
    Replies: 3
    0
  37. phixmin

    A Measuring Viscosity via the Speed of Sound

    May 31, 2018
    3
    284
    Replies: 3
    1
  38. Hamza Elkotfi

    A 1D materials : DFT study

    May 29, 2018
    2
    294
    Replies: 2
    1
  39. fog37

    I Radiative and Nonradiative Transitions

    May 28, 2018
    3
    293
    Replies: 3
    0
  40. Philethan

    A High-field Hall effect and magnetoresistance

    May 26, 2018
    1
    286
    Replies: 1
    0
  41. Nod

    A Charge density of carbon nanotubes and graphene

    May 24, 2018
    3
    384
    Replies: 3
    0
  42. Philethan

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

    May 23, 2018
    5
    412
    Replies: 5
    3
  43. Juanchotutata

    Band diagram, conductivity tensor

    May 21, 2018
    3
    614
    Replies: 3
    0
  44. Philethan

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

    May 20, 2018
    2
    254
    Replies: 2
    1
  45. howl

    A Is block spin still ±1?

    May 19, 2018
    3
    356
    Replies: 3
    0
  46. DariusP

    I What are the applications of YBCO bulks?

    May 18, 2018
    1
    261
    Replies: 1
    0
  47. DariusP

    I How much does it cost to synthesize YBCO?

    May 18, 2018
    17
    728
    Replies: 17
    8
  48. Bikash Kumar Das

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

    May 17, 2018
    5
    399
    Replies: 5
    3
  49. Dor

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

    May 15, 2018
    8
    486
    Replies: 8
    1
  50. fluidistic

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

    May 14, 2018
    7
    577
    Replies: 7
    4
  51. anahita

    I What is zero and infinite effective mass?

    May 13, 2018
    5
    404
    Replies: 5
    1
  52. Abigale

    A Do wave-packets of Blochwaves spread over time?

    May 10, 2018
    6
    471
    Replies: 6
    0
  53. DariusP

    I Flux pinning in type 2 superconducotrs

    May 10, 2018
    6
    408
    Replies: 6
    0
  54. thephystudent

    A Criticality, phase transitions and closing bandgap

    May 9, 2018
    6
    440
    Replies: 6
    0
  55. Sagar Rawal

    A What is Mott Transition and its basic Priniciple?

    May 8, 2018
    8
    542
    Replies: 8
    2
  56. cozycoz

    I Density of states

    May 7, 2018
    4
    443
    Replies: 4
    0
  57. Joker93

    A Time reversal symmetry and Bloch states

    May 7, 2018
    2
    420
    Replies: 2
    0
  58. moso

    A Fredholm scattering theory to quantum dissipative system

    May 5, 2018
    1
    365
    Replies: 1
    0
  59. Sophrosyne

    B Spectroscopy of clear gases

    May 4, 2018
    4
    411
    Replies: 4
    3
  60. HastiM

    I Transition energy 2p to 1s

    May 1, 2018
    2
    409
    Replies: 2
    2
  61. Abigale

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

    Apr 30, 2018
    2
    345
    Replies: 2
    0
  62. sams

    I Dimensions of Angular and Radial Nodes

    Apr 30, 2018
    3
    366
    Replies: 3
    0
  63. Danm91

    I Tail in data of Duane-Hunt limit experiment

    Apr 29, 2018
    1
    275
    Replies: 1
    0
  64. jeffbarrington

    I Heavy/Light Holes, what of Electrons?

    Apr 29, 2018
    5
    325
    Replies: 5
    0
  65. fluidistic

    I A question about antiferromagnetism in an external B field

    Apr 27, 2018
    3
    418
    Replies: 3
    1
  66. howl

    A How many bands does a solid have?

    Apr 27, 2018
    5
    477
    Replies: 5
    0
  67. Clara Chung

    I Question about Powder X-ray diffraction experiment

    Apr 26, 2018
    4
    364
    Replies: 4
    2
  68. harambe

    I Optical reflection by metals

    Apr 25, 2018
    7
    665
    Replies: 7
    2
  69. Abigale

    A Conductivity and Integration over Fermi-Sphere?

    Apr 24, 2018
    2
    304
    Replies: 2
    0
  70. Ferrum

    I Nature of matter: state question

    Apr 23, 2018
    7
    597
    Replies: 7
    1
  71. Joker93

    A How does parity transformation affect Bloch states?

    Apr 22, 2018
    2
    441
    Replies: 2
    0
  72. PAllen
    Featured

    I New result in high temp superconductivity

    Apr 20, 2018
    4
    1,499
    Replies: 4
    10
  73. AD MCFC

    A The Future of "Soft Matter Physics"

    Apr 20, 2018
    5
    677
    Replies: 5
    0
  74. fluidistic

    I Ways to measure voltage?

    Apr 19, 2018
    7
    480
    Replies: 7
    1
  75. nickhobbs

    I Drift velocity in P-N Junctions

    Apr 18, 2018
    3
    495
    Replies: 3
    1
  76. fluidistic

    I Is there a crystal angular momentum?

    Apr 17, 2018
    1
    331
    Replies: 1
    0
  77. Q.B.

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

    Apr 14, 2018
    6
    567
    Replies: 6
    0
  78. koustav

    I Rotational spectra

    Apr 13, 2018
    2
    440
    Replies: 2
    0
  79. nickhobbs

    I Valence band and Fermi level difference?

    Apr 13, 2018
    4
    385
    Replies: 4
    2
  80. bsmile

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

    Apr 13, 2018
    7
    581
    Replies: 7
    1
  81. Jimmy87

    B Superfluid Helium and its use at CERN

    Apr 10, 2018
    17
    755
    Replies: 17
    2
  82. Telemachus

    I Fermi-Dirac distribution, when does it break?

    Apr 7, 2018
    6
    563
    Replies: 6
    5
  83. amjad-sh

    A Creation of spin current

    Apr 6, 2018
    1
    475
    Replies: 1
    1
  84. marksyncm

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

    Apr 6, 2018
    8
    633
    Replies: 8
    2
  85. shivanshu

    B Coloured beam in a discharge tube

    Apr 4, 2018
    7
    471
    Replies: 7
    2
  86. amjad-sh

    A Scattering states at presence of interface with strong SOC

    Apr 4, 2018
    1
    338
    Replies: 1
    0
  87. strauser

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

    Apr 4, 2018
    4
    410
    Replies: 4
    1
  88. Superfluid universe

    A Symmetries in Superfuilds

    Apr 3, 2018
    7
    642
    Replies: 7
    0
  89. MementoMori96

    I Voltmeter and the Hall effect

    Mar 31, 2018
    2
    447
    Replies: 2
    0
  90. amjad-sh

    Spin-orbit coupling at the interface between two metals

    Mar 30, 2018
    3
    368
    Replies: 3
    2
  91. MementoMori96

    I Ohm’s law and magnetic field?

    Mar 29, 2018
    2
    455
    Replies: 2
    0
  92. amjad-sh

    A Inversion symmetry in solids

    Mar 29, 2018
    2
    615
    Replies: 2
    1
  93. Superfluid universe

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

    Mar 29, 2018
    3
    486
    Replies: 3
    0
  94. Greg Bernhardt

    New Material Created Known As 'Kagome Metal'

    Mar 25, 2018
    1
    709
    Replies: 1
    12
  95. camilo

    A Elastically anisotropic sphere under pressure

    Mar 25, 2018
    9
    780
    Replies: 9
    4
  96. barana

    How to plot band structure?

    Mar 23, 2018
    17
    9,457
    Replies: 17
    1
  97. MementoMori96

    I Resistance and magnetic field effects for p-doped Ge

    Mar 22, 2018
    9
    558
    Replies: 9
    0
  98. Bruce_the_physicist

    A Interface states in a PIN diode

    Mar 16, 2018
    1
    540
    Replies: 1
    0
  99. fluidistic

    I Mean speed of electrons in a periodic potential / lattice

    Mar 15, 2018
    3
    484
    Replies: 3
    1
  100. charlesmartin14

    A Nuclear - lattice coupling

    Mar 7, 2018
    1
    571
    Replies: 1
    0
Showing threads 1 to 100 of 5,783

Thread Display Options

Loading...
Page 1 of 58
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. Mainstream physics only.