Uhlenbeck G E (23 results)

Hardcover. Condition: Fine. First Edition. 8vo . We specialize in fine books in collectible condition. Orders are professionally packaged and shipped promptly. W13.

Hardcover. Condition: Near Fine. Dust Jacket Condition: Very Good. 1st Edition. Volume 3 in the series, 1962 Brandeis Lectures in Theoretical Physics. Octavo. Diagrams. Condition: DJ worn & slightly nicked; else near fine in very good DJ. Pages: vii, 252.

Hardcover/Pappeinband. Condition: Gut. 272 S. Good condition. Ex library with stamps and back label. Additional cover foliation. Paper brownish but clean. Sprache: Englisch Gewicht in Gramm: 770.

Hardcover/Pappeinband. Condition: Gut. 388 pages. Good. Ex-library with usual markings. Clean pages. Sprache: Englisch Gewicht in Gramm: 850.

Hard Cover. Condition: Very Good. Dust Jacket Condition: No Dustjacket. Reprint Edition. a very good hardcover; an ex-library copy with usual markings; internally pages bright and clean; ---------- SATISFACTION GUARANTEED --------- FAST, COURTEOUS SERVICE ------ Size: 8 x 10". Ex-Library.

Softcover/Paperback. Condition: Gut. 239 S. Good condition. Ex library with stamps and back label. Paper yellowish but clean. Sprache: Deutsch Gewicht in Gramm: 460.

Hardcover. Condition: Near Fine. Dust Jacket Condition: Very Good. 1st Edition. x, 181 pp; 19 figs. Original cloth. Signature of former owner on front flyleaf, else Near Fine, in very good dust jacket. Lectures in Applied Mathematics, Proceedings of the Summer Seminar, Boulder, Colorado, 1960, Volume I. 'Uhlenbeck had a very significant influence on statistical mechanics and brought an area which was very varied and disjointed into some sort of structured whole' (MacTutor History of Mathematics Web site). 'He was an inspiring teacher. With superbly organised and extremely clear lectures, he laid bare for everyone to see the beautiful structure of statistical mechanics, based on the principles of the founding fathers, Maxwell, Boltzmann, and Gibbs. Thus he transmitted to a younger generation what he conceived to be the essence of the past and the way to the future. In doing so, he educated several generations of physicists in statistical mechanics in a style rare in this century' (E.G.D. Cohen, 'George E. Uhlenbeck and statistical mechanics', Amer. J. Phys. 58 (7), 1990, 619-625).

Hardcover. Condition: Very Good. Light wear to covers, otherwise text clean and tight; no dust jacket (Lectures in Statistical Mechanics with an Appendix on Quantum Statistics of Interacting Particles by E. W. Montroll) ; Lectures in Applied Mathematics, Volume I; 8vo 8" - 9" tall; 181 pages.

Hardcover. Condition: Good. No Jacket. Ex-library, Volume I of Lectures in Applied Mathematics, Proceedings of the Summer Seminar, Boulder, CO., 1957, 266pp, G/--. Ex-Library.

Hardcover. Condition: Fine. Dust Jacket Condition: Near Fine. 1st Edition. Vii, 338 Pp. Red Cloth, Gilt. Fine In Near Fine Dj With "American Elsevier Publishing" Label On Front Cover And Title Page.

Hardcover Jan 01, 1962. Condition: gebraucht; sehr gut. Ausgabe 1962, roter Leineneinband mit Schutzumchlag, leichte Lagerspuren, kleine Stempel am Vorstzblatt, Inhalt wie ungelesen.

Condition: Good. First edition, first printing, (1959); 266 pp., hardcover, some scuffs to spine and covers, minor internal library markings else text clean & binding tight (lacks dust jacket). - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country.

Condition: VG/--. 2e druk. Large 8vo. VIII+922 pp. Hardcover. Or. blue cloth. (Spine discol.).

Original publisher's brown cloth hardback, black lettering spine, 2nd edition, large 8vo: xvi, 484pp. Very fine copy.,

Original publisher's brown cloth hardback, black lettering spine, 2nd edition, large 8vo: viij, 518pp. Very fine copy.,

Hardcover. Condition: Good. 1st Edition. First Edition disbound.

Soft cover. Condition: Very Good. UHLENBECK,G.E. And Samuel Goudsmit. "Spinning Electrons and the Structure of Spectra", in Nature, 1926. London, Macmillan, volume 117 No. 2938; the Uhlenbeck is on pp. 264-265 in the issue of pp257-292 February 20, 1926. Nice clean copy, extracted from a larger bound volume. VG $200 This is "the key paper announcing the discovery of spin" (Complete DSB online). [++] This paper is followed by an interesting note by Bohr on pg 265. [++] "In January 1925 Wolfgang Pauli had proposed that the electron should be given an additional fourth quantum number which was a half integer. This was one of the clues which led Uhlenbeck to arrive at the idea of electron spin. The concept immediately excited Niels Bohr, Pauli, Einstein, Heisenberg and others interested in quantum theory. In mid-September 1925, Uhlenbeck and Goudsmit discovered the spin on the electron, which posits an intrinsic angular momentum for all electrons."--SciHi Blog.

8° Leinen. Condition: Sehr gut. 2., . Tweede druk. 4 Bände. mehrere 100 Seiten Buch ist in einem sehr guten Zustand, 4 Bände Ganzleineneinband, Titelprägung in Gold auf dem Buchrücken als Buchschmuck Palme mit Landschaft, Einband leicht berieben, Kapitale, Kanten und Ecken leicht berieben, Frontdeckel mit goldenem Emblem, Papier in altersgemäßem sehr gutem Zustand, leicht randgedunkelt, MIG-11-05BH Sprache: Niederländisch Gewicht in Gramm: 7500.

Soft cover. Condition: Very Good. 1st Edition. Double Issue Nov-Dec 1925. Einstein Article Is In German. Einstein Temporarily Abandons The Search For A Unified Theory. Original Grey Card Covers Printed In Black, Small "Lorentz" Printed On Label On Spine. Lightly Used, Some Loss Of Paper On Spine, Corner Crease On Front Cover Beginning To Split.

Condition: Good. 139 pp., original softcover issue, 3 small holes have been punched near the spine to facilitate keeping the issue in a binder else text clean & binding tight. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country. Photos available upon request.

Hardcover. Condition: Good. Martinus Nijhoff 1927. Covers worn and torn in places. Front cover nearly detached. Several puntures on cover have transferred to first 15 pages. Name in ink on half title. Contents clean and unmarked.

Condition: Near Fine. Berlin. 1925 first edition. Springer. Die Naturwissenschaften vol 30, 1925. Hardcover large 4to. 3/4 contemporary green cloth with patterned boards. Near Fine, no owner marks, not exlibrary . xxiii, 1092p., 44p. Entire year for 1925 bound together. Uhlenbeck on pp. 953-954 here gives first presentation of theory of electron spin. see Dictionary Scientific Biography, vol 2, p. 248. Other important articles in the volume as well including Lorentz, "Max Planck and die Quantentheorie" p. 1077 and Erwin Schroedinger "Ueber die subjecktiven Sternfarben und die Qualitat der Daemmerungsempfindung p. 373.

Berlin, Springer, 1925. Royal8vo. Bound in contemporary half cloth with paper label with handwritten title to spine. In "Die Naturwissenschaften", Vol. 30, 1925. Library stamp to title page, otherwise fine and clean. Pp. 953-954. [Entire volume: XXIII, (1), 1092, 44 pp.]. First printing of this landmark paper in which electron spin was first announced. "Ehrenfest had suggested that he work with a fellow student, Goudsmit, who already was an expert on atomic spectra. The two of them wrote a paper on the spectrum of hydrogen, giving an improved interpretation involving half-integer quantum numbers. Then came their great discovery: electron spin. The quantum numbers they had assigned implied that the electron must have another degree of freedom" it must be rotating. With this idea everything fell into place. They published first a short note and then, at the encouragement of Niels Bohr, who visited Leiden shortly after their discovery, a longer paper that appeared in Nature. The origin of the spin-orbit interaction was apparently suggested by Albert Einstein, who also visited Leiden at the time and pointed out that in its rest frame, the electron sees an orbiting nucleus and hence a magnetic field. There remained an awkward factor of two in the spin precession rate. This was soon explained as a relativistic effect in an elegant paper by Llewellen H. Thomas. In their third and final paper on electron spin, Goudsmit and Uhlenbeck summarized these results and gave what has become the accepted interpretation of electron spin and atomic spectra." (DSB)The discovery of electron spin was proposed as an explanation for the Stern-Gerlach experiment. In this experiment a beam of silver atoms was allowed to pass through an inhomogeneous magnetic field. When the magnetic field was on, the beam of silver atoms split into two parts, one deflected up and the other deflected down. In 1925, Uhlenbeck and Goudsmit, both graduate students at the time, proposed an explanation for the Stern-Gerlach experiment by postulating that the electron possesses an intrinsic angular momentum, referred to as "spin".This intrinsic angular momentum gives rise to a magnetic moment in the electron that interacts with magnetic fields. The electron spin and the related magnetic moment are quantized such that there are only two possible discrete values. This quantization of the magnetic moment is what leads to the deflection of the beam of silver atoms either up or down in the inhomogeneous magnetic field. Their insight furnished a missing link leading to the final triumph of the then-struggling birth of quantum mechanics.