Knowledge

Llewellyn Thomas

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A Practical Method for the Solution of Certain Problems in Quantum Mechanics by Successive Removal of Terms from the Hamiltonian by Contact Transformations of the Dynamical Variables Part I. General Theory // Journal of Chemical Physics. β€” 1942. β€” Vol. 10. β€” P. 532–537. β€”
184:. He is best known for his contributions to atomic and molecular physics and solid-state physics. His key achievements include calculating relativistic effects on the spin-orbit interaction in a hydrogen atom ( 796: 771: 504: 272: 801: 766: 484: 791: 776: 206: 786: 264: 244:, he proposed Thomas precession in 1926, to explain the difference between predictions made by spin-orbit coupling theory and experimental observations. 781: 536: 612: 405:
The rotation-vibration energies of tetrahedrally symmetric pentatomic molecules. I // Physical Review. β€” 1939. β€” Vol. 56. β€” P. 895–907. β€”
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The calculation of atomic fields // Mathematical Proceedings of the Cambridge Philosophical Society. β€” 1927. β€” Vol. 23. β€” P. 542–548. β€”
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Atomic Scattering Factors Calculated from the TFD Atomic Model // Journal of Chemical Physics. β€” 1957. β€” Vol. 26. β€” P. 293–303. β€”
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The interaction between a neutron and a proton and the structure of H // Physical Review. β€” 1935. β€” Vol. 47. β€” P. 903–909. β€”
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The paths of ions in the cyclotron I. Orbits in the magnetic field // Physical Review. β€” 1938. β€” Vol. 54. β€” P. 580–588. β€”
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The stability of plane Poiseuille flow // Physical Review. β€” 1953. β€” Vol. 91. β€” P. 780–783. β€” doi:10.1103/PhysRev.91.780.
251:, where he stayed until 1943. He married Naomi Estelle Frech in 1933. In 1935 he was the master's thesis advisor for 267:. In 1963, Thomas was appointed as IBM's First Fellow in the Watson Research Center. He was appointed professor at 158:
Contributions to the theory of the motion of electrified particles through matter and some effects of that motion
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degrees in 1924, 1927 and 1928 respectively. While on a Traveling Fellowship for the academic year 1925–1926 at
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The use of large scale computing in physics // Journal of Applied Physics. β€” 1953. β€” Vol. 24. β€” P. 235–242. β€”
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Note on Becker's Theory of the Shock Front // Journal of Chemical Physics. β€” 1944. β€” Vol. 12. β€” P. 449–453. β€”
255:, whose thesis was published with Thomas as coauthor. From 1943 until 1945 Thomas worked on ballistics at the 283:
Thomas was responsible for multiple advances in physics. The Thomas precession is a correction to the atomic
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Radiation field in a fluid in motion // Quarterly Journal of Mathematics. β€” 1930. β€” Vol. 1. β€” P. 239–251. β€”
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The kinematics of an electron with an axis // Philosophical Magazine. β€” 1927. β€” Vol. 3. β€” P. 1β€”22. β€”
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at Columbia University, remaining there until 1968. In 1958 he was elected as a member of the
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Relativistic particle dynamics. II // Physical Review. β€” 1953. β€” Vol. 92. β€” P. 1300–1310. β€”
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Guide to the Llewellyn Hilleth Thomas Papers at the North Carolina State University
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The motion of the spinning electron // Nature. β€” 1926. β€” Vol. 117. β€” P. 514. β€”
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in 1968, retiring from this position in 1976. In 1982 he received the
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In mathematics, his name is frequently attached to an efficient
702:"Llewellyn Thomas, Array of Contermporary American Physicists" 307: 233: 306:. The Thomas–Fermi model is a statistical model for electron- 259:
in Maryland. In 1946 he became a member of the staff of the
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NA-Digest on the attribution of the Thomas Algorithm's name
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In 1929 he obtained a job as a professor of physics at the
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Members of the United States National Academy of Sciences
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British physicist and applied mathematician (1903–1992)
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People educated at Merchant Taylors' School, Northwood
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(September 1994). 25: 32:Llewellyn Thomas (disambiguation) 535: 521: 502: 483: 572:"Obituary: Llewellyn H. Thomas" 291:, which takes into account the 269:North Carolina State University 242:Bohr's Institute in Copenhagen 224:Born in London, he studied at 1: 782:Ohio State University faculty 367:doi:10.1080/14786440108564170 357:doi:10.1017/S0305004100011683 509:Thomas in Copenhagen in 1963 377:doi:10.1093/qmath/os-1.1.239 265:National Academy of Sciences 454:doi:10.1103/PhysRev.92.1300 322:for zero-range potentials. 818: 551:Thomas–Fermi approximation 450:Bakamjian B., Thomas L. H. 407:doi:10.1103/PhysRev.56.895 397:doi:10.1103/PhysRev.54.580 387:doi:10.1103/PhysRev.47.903 29: 312:density functional theory 167: 144: 48: 434:Sheldon J., Thomas L. H. 174:Llewellyn Hilleth Thomas 43:Llewellyn Hilleth Thomas 333:β€”the Thomas algorithm. 257:Aberdeen Proving Ground 208:-body quantum systems ( 661:National Academy Press 653:"LEONARD ISAAC SCHIFF" 466:Thomas L. H., Umeda K. 285:spin-orbit interaction 202: 122:Thomas-Fermi screening 497:in Copenhagen in 1926 470:doi:10.1063/1.1743287 438:doi:10.1063/1.1721257 428:doi:10.1063/1.1723889 418:doi:10.1063/1.1723760 273:Davisson-Germer Prize 249:Ohio State University 203: 182:applied mathematician 126:Thomas-Fermi equation 663:, pp. 300–323, 657:Biographical Memoirs 620:Biographical Memoirs 347:doi:10.1038/117514a0 337:Notable publications 331:tridiagonal matrices 327:Gaussian elimination 226:Cambridge University 192: 684:"IBM - IBM Fellows" 609:Jackson, John David 210:Thomas-Fermi theory 18:Llewellyn H. Thomas 690:. 30 January 2012. 529:Biographies portal 220:Life and education 198: 118:Thomas-Fermi model 589:10.1063/1.2808649 289:quantum mechanics 201:{\displaystyle N} 186:Thomas precession 171: 170: 146:Scientific career 140: 110:Thomas precession 16:(Redirected from 809: 724: 723: 721: 712: 706: 705: 698: 692: 691: 680: 674: 673: 645: 639: 638: 636: 634: 628: 617: 605: 594: 593: 591: 567: 545: 540: 539: 531: 526: 525: 524: 506: 487: 316:few-body physics 228:, receiving his 214:Thomas algorithm 207: 205: 204: 199: 163: 138: 114:Thomas algorithm 89: 77:, United Kingdom 70: 68: 53: 39: 21: 817: 816: 812: 811: 810: 808: 807: 806: 747: 746: 733: 728: 727: 719: 714: 713: 709: 700: 699: 695: 682: 681: 677: 671: 647: 646: 642: 632: 630: 629:on 4 March 2016 626: 615: 607: 606: 597: 569: 568: 564: 559: 541: 534: 527: 522: 520: 517: 510: 507: 498: 488: 479: 339: 281: 222: 190: 189: 161: 124: 120: 116: 112: 101: 91: 87: 78: 72: 71:21 October 1903 66: 64: 56: 55:Copenhagen 1926 44: 35: 28: 23: 22: 15: 12: 11: 5: 815: 813: 805: 804: 799: 794: 789: 784: 779: 774: 769: 764: 759: 749: 748: 745: 744: 739: 732: 731:External links 729: 726: 725: 707: 693: 675: 669: 640: 595: 582:(9): 115–116. 561: 560: 558: 555: 554: 553: 547: 546: 543:Physics portal 532: 516: 513: 512: 511: 508: 501: 499: 495:Friedrich Hund 493:, Thomas, and 491:Yoshio Nishina 489: 482: 478: 475: 474: 473: 463: 457: 447: 441: 431: 421: 410: 400: 390: 380: 370: 360: 350: 338: 335: 320:binding energy 304:atomic nucleus 280: 277: 253:Leonard Schiff 221: 218: 197: 169: 168: 165: 164: 155: 149: 148: 142: 141: 133: 129: 128: 107: 106:Known for 103: 102: 98:North Carolina 92: 90:(aged 88) 84: 80: 79: 73: 62: 58: 57: 54: 46: 45: 42: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 814: 803: 800: 798: 795: 793: 790: 788: 785: 783: 780: 778: 775: 773: 770: 768: 765: 763: 760: 758: 755: 754: 752: 743: 740: 738: 735: 734: 730: 718: 711: 708: 703: 697: 694: 689: 685: 679: 676: 672: 670:0-309-03391-8 666: 662: 658: 654: 650: 644: 641: 625: 621: 614: 610: 604: 602: 600: 596: 590: 585: 581: 577: 576:Physics Today 573: 566: 563: 556: 552: 549: 548: 544: 538: 533: 530: 519: 514: 505: 500: 496: 492: 486: 481: 476: 471: 467: 464: 461: 458: 455: 451: 448: 445: 442: 439: 435: 432: 429: 425: 422: 419: 414: 411: 408: 404: 401: 398: 394: 391: 388: 384: 381: 378: 374: 371: 368: 364: 361: 358: 354: 351: 348: 344: 341: 340: 336: 334: 332: 328: 323: 321: 317: 313: 309: 305: 301: 297: 296:time dilation 294: 290: 286: 279:Contributions 278: 276: 274: 270: 266: 262: 258: 254: 250: 245: 243: 239: 235: 231: 227: 219: 217: 215: 211: 195: 187: 183: 179: 175: 166: 159: 156: 154: 150: 147: 143: 137: 136:Smith's Prize 134: 130: 127: 123: 119: 115: 111: 108: 104: 99: 95: 86:20 April 1992 85: 81: 76: 63: 59: 52: 47: 40: 37: 33: 19: 710: 696: 687: 678: 656: 649:Bloch, Felix 643: 631:. Retrieved 624:the original 619: 579: 575: 565: 465: 460:Thomas L. H. 459: 449: 444:Thomas L. H. 443: 433: 424:Thomas L. H. 423: 413:Thomas L. H. 412: 402: 393:Thomas L. H. 392: 383:Thomas L. H. 382: 373:Thomas L. H. 372: 363:Thomas L. H. 362: 353:Thomas L. H. 352: 343:Thomas L. H. 342: 324: 298:between the 293:relativistic 282: 246: 223: 173: 172: 157: 145: 88:(1992-04-20) 36: 762:1992 deaths 757:1903 births 688:www.ibm.com 329:method for 751:Categories 557:References 67:1903-10-21 178:physicist 651:(1983), 633:9 August 611:(2009). 515:See also 302:and the 300:electron 477:Gallery 94:Raleigh 667:  236:, and 162:(1927) 160:  153:Thesis 139:(1925) 132:Awards 75:London 720:(PDF) 627:(PDF) 616:(PDF) 100:, USA 665:ISBN 635:2014 180:and 83:Died 61:Born 584:doi 308:ion 287:in 234:PhD 216:). 753:: 686:. 655:, 618:. 598:^ 580:47 578:. 574:. 238:MA 232:, 230:BA 96:, 722:. 704:. 637:. 592:. 586:: 472:. 456:. 440:. 430:. 420:. 409:. 399:. 389:. 379:. 369:. 359:. 349:. 196:N 69:) 65:( 34:. 20:)

Index

Llewellyn H. Thomas
Llewellyn Thomas (disambiguation)

London
Raleigh
North Carolina
Thomas precession
Thomas algorithm
Thomas-Fermi model
Thomas-Fermi screening
Thomas-Fermi equation
Smith's Prize
Thesis
physicist
applied mathematician
Thomas precession
Thomas-Fermi theory
Thomas algorithm
Cambridge University
BA
PhD
MA
Bohr's Institute in Copenhagen
Ohio State University
Leonard Schiff
Aberdeen Proving Ground
Watson Scientific Computing Laboratory
National Academy of Sciences
North Carolina State University
Davisson-Germer Prize

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