Stern o otto (6 risultati)
Monochromasierung der de Broglie-Wellen von Molekularstrahlen in Zeitschrift für Physik, Vol. 73, pp. 348-365, 1931-1932
Estermann, I [Immanuel]; Frisch, O [Otto Robert]; Stern, O [Otto]
Editore: Julius Springer, Berlin, 1932
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Aggiungi al carrello1st Edition. FIRST EDITION, FULL VOLUME, OF ESTERMANN, FRISCH, & STERN'S 1931 "CONFIRMATION OF THE DE BROGLIE RELATION TO AN ACCURACY OF 1%" (Zare, Otto "Stern and the Double Bank Shot", Z. Phys. D - Atoms, Molecules and Clusters 10, 377, 1988). One year earlier, Estermann and Stern's 1930 paper, "Beugung von Molekularstrahlen"…(Zeitschrift für Physik, Bd. 61, pp. 95-125, 1930) "found that the intensity of the scattered beam recorded as a function of angle showed clearly discernible diffraction maxima" and was an important step towards their 1931 experiment. We offer that work separately. Refining their 1930 efforts, Estermann, Frisch and Stern, in 1931 and in this paper, were able to narrow "the He atom velocity distribution using a velocity selector consisting of a concentric pair of rotating chopper wheels. In this way, Estermann et al. were able to confirm the de Broglie relation to an accuracy of 1%" (Zare). Their paper, however, also "appears to be the first double surface scattering experiment. In this experiment, a beam of He atoms is first scattered off one LiF crystal surface; a diffracted beam, selected in direction, is allowed to impinge on a second LiF crystal surface; and the intensity of the resulting diffracted beam from the second scattering event is then recorded. The concept is very appealing. The first surface scattering event prepares a velocity selected beam of He atoms from the incoming Maxwellian distribution of incident beam particles; the second surface scattering event analyzes the prepared distribution as to how monochromatic (monoenergetic) it is [16]. Clearly this is an experimental tour de force when it is recognized that this study was carried out more than fifty years ago, long before ultra-high vacuum conditions (pressures less than 10 -9 Torr) could be routinely achieved, let alone measured!" ibid). CONDITION & DETAILS: Berlin: Julius Springer. Full volume, 846 pages, fully indexed. Though bound in blue buckram, it bears no library stamps or numbers inside or out. (9 x 6.5 inches; 225 x 163mm). Very slight scuffing at the edges; tightly and very solidly bound. Bright and clean inside and out. Near fine.
Altre immaginiDie neue Stadt : [Dieser Psalm wurde von Josef Luitpold geschrieben, von O.R. Schatz in den Jahren 1926-1927 in Holz geschnitten, von der Buchdruck-Werkstätte G.M.B.H. in Berlin vom Stock gedruckt].
Luitpold [Stern], Josef (Text) / Schatz, O. R. [Otto Rudolf], Holzschnitt.
Editore: Berlin, Verlag Büchergilde Gutenberg [1927] -, 1927
Da: Franz Kühne Antiquariat und Kunsthandel, Affoltern am Albis, SvizzeraFranz Kühne Antiquariat und Kunsthandel
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Aggiungi al carrelloFolio (42 x 32 x 2 cm). 38 nn. Bll (= 75 SS.), 11 ganzs. Illustrationen in Holzschnitt. Doppelseitiger (Duplex-) Druck a. getöntem u. genarbtem Hochdruckpapier (chamois; 2-seitig unbeschnitten/vollrandig). Schwerer 4-mm OPapp-Einband (stockfleckig, Kanten etwas berieben) mit Pergament verstärkten Kapitalen u. Deckeltitel in Holz…schnitt. Seiten marginal unterschiedlich stockfleckig (mässig störend: Schriftsatz/Satzspiegel, bzw. Illustrationen kaum tangiert). Alters-, Lagerungs- u. Manipulations-, weniger eigentliche Gebrauchsspuren. Gesamthaft sehr ordentliches Exemplar. - - DNB idn=362545146, mit Vermerk: Nur für Mitglieder, Nicht im Buchhandel - vgl. Stabi Berlin - Josef Luitpold Stern (Wien 1886-1966 ibid.), Volksbildner, Arbeiterdichter, Schriftsteller. "1919 gründete er gemeinsam mit David Josef Bach die Sozialdemokratische Kunststelle in Wien und war [1924] Mitbegründer der österreichischen 'Büchergilde Gutenberg'. 1926 wurde Stern Rektor der Arbeiterhochschule in Döbling, einer Kaderschmiede für Personen aus Partei und Gewerkschaft. [.] Der Dichter Josef Luitpold (dieses Pseudonym verwendete Josef Luitpold Stern für seine literarischen Arbeiten) fühlte sich der Tradition der Klassik und der revolutionären bürgerlichen Romantik verpflichtet. Seine bedeutendsten Leistungen auf literarischem Gebiet stellen seine Balladendichtungen dar." (geschichtewiki.wien.gv at; vgl. dasrotewien at) - Otto Rudolf Schatz (Klosterneuburg NÖ od. Wien 1900-1961 Wien), 1918-1920 an der Kunstgewerbeschule bei Oskar Strnad und Anton von Kenner. "Zunächst noch im Banne Egon Schieles stehend, machte Schatz die Entwicklung vom Expressionismus zur Neuen Sachlichkeit mit. In seinen mehr als 1500 Holzschnitten behandelte Schatz besonders Themen aus der Arbeitswelt. Als Buchillustrator arbeitete er mit dem deutschen Buchdrucker und Arbeiterdichter Ernst Preczang, dem Kunstkritiker der Arbeiter-Zeitung, Arthur Roessler, und häufig auch mit Josef Luitpold Stern zusammen" (dasrotewien at; vgl. u.a. austria forum; geschichtewiki.wien.gv at: "kommentierte mit seinen Werken in anklagender Weise Elend, Einsamkeit und Kriminalität der Großstadt") -- "Die Darstellung der sozialen Spannungen der ersten Republik, der Verschärfung der politischen Situation und der neuen Rolle der Arbeiterschaft wird bei Otto Rudolf Schatz in zahlreichen Holzschnitten der 1920er-Jahre zu einem historischen Kommentar eines politisch engagierten Künstlers. [.] 1926/27 schneidet Schatz die Texte und Bilder für das Buch 'Die neue Stadt', das als Prachtband in der Büchergilde Gutenberg erscheint und das zentrale Werk von Schatz darstellt, ja wohl der sozialistischen Buchkunst der Zwischenkriegszeit in Österreich generell. Auch hier ist der Text von Luitpold problematisch [weil, gem. Wilfr. Daim, quasi zu pathetisch eine neue Zukunft verheissend], umso überzeugender sind die Holzschnitte [.]. [.] Schatz tendiert in seinen Darstellungen formal immer mehr zur neusachlichen Kunst, während die Textseiten durch ihre Expressivität überzeugen. 'Die neue Stadt' steht in einem direkten Bezug zum Wohnbauprogramm des Roten Wien. Luitpold preist diejenigen, die neue Häuser schaffen und ihre ganze Kraft für die Heimstätten der Menschen einsetzen. [.] Schatz zeigt in seinen Darstellungen die Errichtung dieser Häuser, kräftige Arbeiter bauen das neue Wien." (etc.; Chr. Bertsch, in: R. Gleis, Hsg., O. R. Schatz & Carry Hauser, Wien Museum 2016, p. 20 ff.). -- PROVENIENZ : Willi Gropengiesser, Ronco sopra Ascona (a. Lago Maggiore: Tessiner Klima!), ex Nachlass d. Verlegers Dr. Fritz (W.) Gropengiesser -- ÜBERMASS (Oversize) : NETTOGEWICHT / Net weight 1.7 kg - VERSANDKATEGORIE / Weight category 5 kg - Sprache: de.
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Da: Jeremy Norman's historyofscience, Novato, CA, U.S.A.Jeremy Norman's historyofscience
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Aggiungi al carrelloStern, Otto (1888-1969); Otto Robert Frisch (1904-79) Über die magnetische Ablenkung von Wasserstoffmolekülen und das magnetische Moment des Protons. I. Offprint from Zeitschrift für Physik 85 (1933). 4-16pp. Original printed wrappers, slightly spotted. Very good. First Edition, Offprint Issue. Using the molecular beam method he… had developed in the 1920s, Stern and his collaborators became the first to measure the magnetic moment of the proton, as announced in the present paper (Stern's follow-up paper, written with Immanuel Esterman, was published in the Zeitschrift a few months later). Stern received the Nobel Prize for physics in 1943 for this achievement; his co-author, Otto Frisch, went on to play a crucial role in the discovery of nuclear fission. Between 1923 and 1933, when Stern was professor of physical chemistry at Hamburg, he headed a program devoted to molecular-beam research. In the early 1930s he set out to test the validity of Dirac's theory that "the ratio of the magnetic moment of the proton to that of the electron should have been the same as the inverse ratio of their masses. This theory was believed so generally that when Stern, O. R. Frisch, and [Estermann] began the very difficult experiments, they were told more than once that they were wasting their time and effort. But Stern's perseverance paid off. Measurements showed a proton magnetic moment two or three times larger than expected . . . It is this work that was specifically mentioned in Stern's Nobel Prize citation" (Dictionary of Scientific Biography). The proton's unexpectedly large magnetic moment remained a puzzle until the development of quark theory in the 1960s. It is now known that protons and neutrons are not elementary particles as once thought, but are composed of quarks, and the magnetic moments of the quarks can be used to compute the magnetic moments of the proton and neutron. Ezhela et al., Particle Physics: One Hundred Years of Discoveries, p. 69. .
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Da: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DanimarcaHerman H. J. Lynge & Søn ILAB-ABF
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Aggiungi al carrelloBerlin, Julius Springer, 1921 & 1922. 8vo. Bound in two uniform contemporary. In "Zeitschrift für Physik", Vol. 7, 8 & 9, 1922. All three volumes offered. Both with library stamp to title page and light wear to extremities. A fine set. Pp. 249-53" 110-11 349-55. [Entire volumes: VI, 414 pp IV, 419 pp." IV, 412 pp.]. First printi…ng of Stern and Gerlach's seminal papers in which the first spatial quantization, atomic magnetic moments, was first presented. With these papers, the first clear proof for the spin of the electron appeared, profoundly influencing the world of physics. The discovery of the deflection of particles is often used to illustrate basic principles of quantum mechanics and demonstrates that electrons and atoms have inherent quantum properties.Spatial quantization had been introduced merely as a theoretical concept by Sommerfeld in 1916, but no one before Stern had ever empirically demonstrated its existence, and some physicists even considered it to be nothing more than a mathematical tool. In his 1921-paper Stern proposed an empirical test:"The idea for the experiment proposed by Stern was simple enough. A beam of silver atoms is produced by letting silver evaporate in an oven with a small opening. The beam is collimated and travels in X direction until it falls on a glass plate. Between collimators and plate an inhomogeneous magnetic field is produced. It points in y direction and also changes its strength as a function of y. If the atoms possess a magnetic moment, the field pulls them away from the X axis. If the moments are oriented at random, there will be a broadening of the beam. But if spatial quantization exists with just two possible orientations, then the beam will be split in two. Half the atoms are pulled in the positive and half in the negative y direction. It should be treated as a spinning top with a magnetic needle in its axis." ( Brandt. The Harvest of a Century, p. 124).In November 1921, Stern and Gerlach observed a broadening of the beam, its size increased from 0.1 mm till 0.3 mm when the field was turned on. "This result proved that silver atoms possess a magnetic moment. With a still better collimated beam in February 1922 where the splitting of the beam into two was observed. Spatial quantization was established." ( Brandt. The Harvest of a Century, p. 124).Only after the birth of quantum mechanics it became clear that the atoms themselves are not turned, but that their quantum mechanical wave function assumes one of its possible values in the apparatus. The discovery penetrated all aspects of physics" it was documented that electrons are responsible for the hyperfine structure of the spectroscopic lines and more generally that the direct observation of the spin of the electron is the most clear evidence of quantization in quantum mechanics.The three volumes also contains the following papers of interest:1. Born, Max. Über elektrostatische Gitterpotentiale. Bd. 7. pp. 124-140.2. Born, Max. Zur Thermodynamik der Kristallgitter. Bd. 7. pp. 217-248.3. Geiger, H. Reichweitemessungen an alfa-Strahlen. Bd. 8. pp. 45-58.4. Brody, E. & Max Born. Bemerkungen zy unseren Abhandlungen "Über die Schwingungen eines mechanischen Systems mit endlicher Amplitude und ihre Quantelung" [.] . Bd. 8. Pp. 205-208.5. Heisenberg, Werner. Zur Quantentheorie der Linienstruktur und der anomalen Zeemaneffekte. Bd. 8. pp. 273-297.6. Bohr, Niels. Der Bau der Atome und die physikalischen und chemischen Eigenschaften der Elemente. Bd. 9. pp. 1-67.And many others.
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Da: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DanimarcaHerman H. J. Lynge & Søn ILAB-ABF
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Aggiungi al carrelloBerlin, Julius Springer, 1921 & 1922. 8vo. Entire volumes 7-8, 1921 and 1922, of "Zeitschrift für Physik" bound in two uniform contemporary half cloth bindings over marbled boards. Library-stamp to title-pages, otherwise, both volumes fine, clean, and tight. Pp. 249-53" Pp. 110-11. [Entire volumes: VI, 414 pp" IV, 419 pp.]. Firs…t printing of Stern and Gerlach's seminal papers in which the first spatial quantization, atomic magnetic moments, was first presented. With these papers, the first clear proof for the spin of the electron appeared, profoundly influencing the world of physics. The discovery of the deflection of particles is often used to illustrate basic principles of quantum mechanics and demonstrates that electrons and atoms have inherent quantum properties.Spatial quantization had been introduced merely as a theoretical concept by Sommerfeld in 1916, but no one before Stern had ever empirically demonstrated its existence, and some physicists even considered it to be nothing more than a mathematical tool. In his 1921-paper Stern proposed an empirical test:"The idea for the experiment proposed by Stern was simple enough. A beam of silver atoms is produced by letting silver evaporate in an oven with a small opening. The beam is collimated and travels in X direction until it falls on a glass plate. Between collimators and plate an inhomogeneous magnetic field is produced. It points in y direction and also changes its strength as a function of y. If the atoms possess a magnetic moment, the field pulls them away from the X axis. If the moments are oriented at random, there will be a broadening of the beam. But if spatial quantization exists with just two possible orientations, then the beam will be split in two. Half the atoms are pulled in the positive and half in the negative y direction. It should be treated as a spinning top with a magnetic needle in its axis." ( Brandt. The Harvest of a Century, p. 124).In November 1921, Stern and Gerlach observed a broadening of the beam, its size increased from 0.1 mm till 0.3 mm when the field was turned on. "This result proved that silver atoms possess a magnetic moment. With a still better collimated beam in February 1922 where the splitting of the beam into two was observed. Spatial quantization was established." ( Brandt. The Harvest of a Century, p. 124).Only after the birth of quantum mechanics it became clear that the atoms themselves are not turned, but that their quantum mechanical wave function assumes one of its possible values in the apparatus. The discovery penetrated all aspects of physics" it was documented that electrons are responsible for the hyperfine structure of the spectroscopic lines and more generally that the direct observation of the spin of the electron is the most clear evidence of quantization in quantum mechanics.The three volumes also contains the following papers of interest:1. Born, Max. Über elektrostatische Gitterpotentiale. Bd. 7. pp. 124-140.2. Born, Max. Zur Thermodynamik der Kristallgitter. Bd. 7. pp. 217-248.3. Geiger, H. Reichweitemessungen an alfa-Strahlen. Bd. 8. pp. 45-58.4. Brody, E. & Max Born. Bemerkungen zy unseren Abhandlungen "Über die Schwingungen eines mechanischen Systems mit endlicher Amplitude und ihre Quantelung" [.] . Bd. 8. Pp. 205-208.5. Heisenberg, Werner. Zur Quantentheorie der Linienstruktur und der anomalen Zeemaneffekte. Bd. 8. pp. 273-297.And many others.
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- Prima edizione
Da: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DanimarcaHerman H. J. Lynge & Søn ILAB-ABF
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EUR 964,43
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Aggiungi al carrelloBerlin, Julius Springer, 1921 & 1922. 8vo. Entire volumes 7-9, 1921 and 1922, of "Zeitschrift für Physik" bound in three contemporary half cloth bindings over marbled boards, volumes 7 and 8 in uniform bindings, volume 9 slightly differing, with more gilding to spine. Tiny marginal dampstain to the first leaves of vol. 9, and la…rge library-stamp to front free end-papers of volumes 7-8, otherwise, all three volumes fine, clean, and tight. All three title-pages with library-stamp. Pp. 249-53" 110-11 349-55. [Entire volumes: VI, 414 pp IV, 419 pp." IV, 412 pp.]. First printing of Stern and Gerlach's seminal papers in which the first spatial quantization, atomic magnetic moments, was first presented. With these papers, the first clear proof for the spin of the electron appeared, profoundly influencing the world of physics. The discovery of the deflection of particles is often used to illustrate basic principles of quantum mechanics and demonstrates that electrons and atoms have inherent quantum properties.Spatial quantization had been introduced merely as a theoretical concept by Sommerfeld in 1916, but no one before Stern had ever empirically demonstrated its existence, and some physicists even considered it to be nothing more than a mathematical tool. In his 1921-paper Stern proposed an empirical test:"The idea for the experiment proposed by Stern was simple enough. A beam of silver atoms is produced by letting silver evaporate in an oven with a small opening. The beam is collimated and travels in X direction until it falls on a glass plate. Between collimators and plate an inhomogeneous magnetic field is produced. It points in y direction and also changes its strength as a function of y. If the atoms possess a magnetic moment, the field pulls them away from the X axis. If the moments are oriented at random, there will be a broadening of the beam. But if spatial quantization exists with just two possible orientations, then the beam will be split in two. Half the atoms are pulled in the positive and half in the negative y direction. It should be treated as a spinning top with a magnetic needle in its axis." ( Brandt. The Harvest of a Century, p. 124).In November 1921, Stern and Gerlach observed a broadening of the beam, its size increased from 0.1 mm till 0.3 mm when the field was turned on. "This result proved that silver atoms possess a magnetic moment. With a still better collimated beam in February 1922 where the splitting of the beam into two was observed. Spatial quantization was established." ( Brandt. The Harvest of a Century, p. 124).Only after the birth of quantum mechanics it became clear that the atoms themselves are not turned, but that their quantum mechanical wave function assumes one of its possible values in the apparatus. The discovery penetrated all aspects of physics" it was documented that electrons are responsible for the hyperfine structure of the spectroscopic lines and more generally that the direct observation of the spin of the electron is the most clear evidence of quantization in quantum mechanics.The three volumes also contains the following papers of interest:1. Born, Max. Über elektrostatische Gitterpotentiale. Bd. 7. pp. 124-140.2. Born, Max. Zur Thermodynamik der Kristallgitter. Bd. 7. pp. 217-248.3. Geiger, H. Reichweitemessungen an alfa-Strahlen. Bd. 8. pp. 45-58.4. Brody, E. & Max Born. Bemerkungen zy unseren Abhandlungen "Über die Schwingungen eines mechanischen Systems mit endlicher Amplitude und ihre Quantelung" [.] . Bd. 8. Pp. 205-208.5. Heisenberg, Werner. Zur Quantentheorie der Linienstruktur und der anomalen Zeemaneffekte. Bd. 8. pp. 273-297.6. Bohr, Niels. Der Bau der Atome und die physikalischen und chemischen Eigenschaften der Elemente. Bd. 9. pp. 1-67.And many others.
