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329:. This achievement made feasible the manipulation, quantum measurement and spectroscopy of individual atomic ions. On such quantum objects Toschek and associates observed for the first time and reported in 1986 Niels Bohr's metaphorical "quantum jumps", simultaneously with and independent of similar observations by
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and co-workers. Other achievements include the first demonstration of a two-photon laser (1981), the quenching of quantum noise (in the difference frequency signal of two laser emission lines) by correlated spontaneous emission (1990), stochastic cooling of single ions (1995), the observation of the
307:
like
Doppler-free saturation spectroscopy as well as the extremely sensitive intra-cavity absorption spectroscopy (ICAS). They observed non-linear interactions of light with atoms like self-induced transparency of an absorber, and like the generation of singular optical oscillations (solitons). In
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and Peter
Toschek in 1978 demonstrated, for the first time, the trapping and visual observation of a single atom, a Barium ion, which had been cooled by laser light down to a few mK above absolute zero temperature, and confined within a miniature quadrupole
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251:, he defended his Ph.D. thesis in 1961. The topic of his dissertation was the scattering of Gallium atoms in defined Zeeman states by Argon and Helium. In 1963 he became a research assistant at the Institute for Applied Physics at
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oscillation dynamics of trapped ions (1998), atomic interferometry on a single ion (1999) and unambiguous evidence of impeded evolution of an unstable quantum system by the system's observation, the
Quantum Zeno effect (2000).
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Was enthĂŒllt ein beobachtetes Atom seinem
Beobachter? Berichte aus den Sitzungen der Joachim Jungius-Gesellschaft der Wissenschaften e.V., Hamburg, Jahrgang 23 (2005), Heft 1. Vandenhoeck & Ruprecht, Göttingen 2005,
259:(doctorate 1969). Toschek completed his habilitation in experimental physics in 1968. In 1972 he became a Professor at Heidelberg. In 1981 he accepted a chair in experimental physics at the
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With Werner
Neuhauser: Einzelne Ionen fĂŒr die dopplerfreie Spektroskopie. In: Physikalische BlĂ€tter 36, Nr. 7, 1980, S. 198â202, doi:10.1002/phbl.19800360714.
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W. Neuhauser; M. Hohenstatt; H. Dehmelt; P. Toschek (1978-07-24). "Optical
Sideband Cooling of Visible Atom Cloud Confined in Parabolic Well".
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Chr. Balzer; R. Huesmann; W. Neuhauser; P. E. Toschek (2000-06-01). "The quantum Zeno effect â evolution of an atom impeded by measurement".
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Gerhard Mack; Sascha
Wallentowitz; Peter E. Toschek (2014-07-01). "Decoherence in generalized measurement and the quantum Zeno paradox".
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Th. HĂ€nsch; R. Keil; A. Schabert; Ch. Schmelzer; P. Toschek (1969-06-01). "Interaction of Laser Light Waves by
Dynamic Stark Splitting".
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Ingo
Steiner; Peter E. Toschek (1995-06-05). "Quenching Quantum Phase Noise: Correlated Spontaneous Emission versus Phase Locking".
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Das
Einzelion â QuantenprĂ€parat und Idealuhr. In: Physikalische BlĂ€tter 46, Nr. 7, 1990, S. 213â219, doi:10.1002/phbl.19900460706.
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J. Eschner; B. Appasamy; P. E. Toschek (1995-03-27). "Stochastic Cooling of a Trapped Ion by Null Detection of Its Fluorescence".
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Th. HĂ€nsch; P. Toschek (1968-07-01). "Observation of Saturation Peaks in a He-Ne Laser by Tuned Laser Differential Spectrometry".
295:, Colorado (1986/87). He retired in 1998 but continued to be a scientifically active part of the Institute for Laser Physics.
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Th. HĂ€nsch; P. Toschek (1966-02-15). "Measurement of neon atomic level parameters by laser differential spectrometry".
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Michael P. Winters; John L. Hall; Peter E. Toschek (1990-12-17). "Correlated spontaneous emission in a Zeeman laser".
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B. Appasamy; Y. Stalgies; P.E. Toschek (1998-03-30). "Measurement-Induced Vibrational Dynamics of a Trapped Ion".
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R. Huesmann; Ch. Balzer; Ph. Courteille; W. Neuhauser; P. E. Toschek (1999-02-22). "Single-Atom Interferometry".
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W. Neuhauser; M. Hohenstatt; P. E. Toschek; H. Dehmelt (1980-09-01). "Localized visible Ba mono-ion oscillator".
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1978, Toschekâs research group was the first to demonstrate the cooling of atoms by laser light, just before
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Th. HĂ€nsch; P. Toschek (1966-08-01). "Laser differential spectrometry measurement on neon depolarization".
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H. Dehmelt; P. Toschek (1975-01-29). "Proposed visual detection laser spectroscopy on single Ba ion".
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W. Krieger; P. E. Toschek (1975-01-01). "Self-induced transparency on the 1.15-ÎŒm line of neon".
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Th. Sauter; W. Neuhauser; R. Blatt; P. E. Toschek (1986-10-06). "Observation of Quantum Jumps".
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V. M. Baev; T. Latz; P. E. Toschek (1999-09-01). "Laser intracavity absorption spectroscopy".
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having proposed, in 1975, a scheme for the realization and observation of single atomic ions,
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Th. HĂ€nsch; P.E. Toschek (1970-06-01). "Theory of a Three-Level Gas Laser Amplifier".
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and for the first demonstration of single trapped atoms (ions). He was a professor at
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founded the Institute for Laser Physics in 1989. From 1980 to 1990 Toschek co-edited
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211:(18 April 1933 â 25 June 2020) was a German experimental physicist who researched
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Since the 1960s, Peter Toschek and his associates developed new methods of
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B. Nikolaus; D. Z. Zhang; P. E. Toschek (1981-07-20). "Two-Photon Laser".
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In 1990 Peter Toschek received the Robert Wichard Pohl Prize of the
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423:"Der FB Physik trauert um einen geschÀtzten Emeritus-Kollegen"
425:(in German). UniversitÀt Hamburg, Fachbereich Physik.
397:since 1994. In 2002 Toschek became a Fellow of the
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337:Toschekâs former students or associates include
395:Academy of Sciences and Humanities in Hamburg
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287:, France, (1978/79), and as a Fellow of the
1298:Academic staff of the University of Hamburg
29:
18:
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787:Bulletin of the American Physical Society
312:and co-workers. After Peter Toschek and
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7:
839:Deutsches Museum, Das sichtbare Ion
551:IEEE Journal of Quantum Electronics
512:IEEE Journal of Quantum Electronics
393:(DPG). He has been a member of the
405:, jointly awarded by DPG and OSA.
14:
92:
401:(OSA). In 2015 he received the
1303:University of Göttingen alumni
1293:20th-century German physicists
1288:German experimental physicists
223:. He is known as a pioneer of
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1218:10.1016/j.physrep.2014.02.004
1175:10.1016/S0030-4018(00)00716-1
497:10.1016/0031-9163(66)90553-1
460:10.1016/0031-9163(66)90361-1
16:German physicist (1933â2020)
1128:10.1103/PhysRevLett.82.1611
1091:10.1103/PhysRevLett.80.2805
1046:10.1103/PhysRevLett.74.2435
1001:10.1103/PhysRevLett.74.4639
956:10.1103/PhysRevLett.65.3116
874:10.1103/PhysRevLett.57.1696
239:Toschek studied physics in
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919:10.1103/PhysRevLett.47.171
772:10.1103/PhysRevLett.41.233
399:Optical Society of America
271:. Peter Toschek worked at
135:Robert Wichard Pohl Prize
1283:University of Bonn alumni
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826:10.1103/PhysRevA.22.1137
571:10.1109/JQE.1972.1076854
532:10.1109/JQE.1968.1075367
1107:Physical Review Letters
1070:Physical Review Letters
1025:Physical Review Letters
980:Physical Review Letters
935:Physical Review Letters
898:Physical Review Letters
853:Physical Review Letters
751:Physical Review Letters
735:10.1103/PhysRevA.11.276
391:German Physical Society
281:Laboratoire Aimé Cotton
115:University of Göttingen
672:Zeitschrift fĂŒr Physik
629:Zeitschrift fĂŒr Physik
421:Maiwald (2020-06-26).
1144:Optics Communications
606:10.1007/s003400050793
403:Herbert Walther Award
269:Optics Communications
261:University of Hamburg
253:Heidelberg University
175:University of Hamburg
171:Heidelberg University
141:Herbert Walther Award
1210:2014PhR...540....1M
1167:2000OptCo.180..115B
1120:1999PhRvL..82.1611H
1083:1998PhRvL..80.2805A
1038:1995PhRvL..74.2435E
993:1995PhRvL..74.4639S
948:1990PhRvL..65.3116W
911:1981PhRvL..47..171N
866:1986PhRvL..57.1696S
818:1980PhRvA..22.1137N
764:1978PhRvL..41..233N
727:1975PhRvA..11..276K
684:1970ZPhy..236..213H
641:1969ZPhy..226..293H
598:1999ApPhB..69..171B
563:1972IJQE....8..802H
524:1968IJQE....4..467H
489:1966PhL....22..150H
452:1966PhL....20..273H
355:Philippe Courteille
351:Klaus-Jochen Boller
273:Stanford University
692:10.1007/BF01394503
649:10.1007/BF01392091
331:Hans Georg Dehmelt
314:Hans Georg Dehmelt
305:laser spectroscopy
229:Hamburg University
225:laser spectroscopy
125:laser spectroscopy
111:University of Bonn
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806:Physical Review A
715:Physical Review A
586:Applied Physics B
322:Martin Hohenstatt
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193:Doctoral students
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167:Institutions
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76:(2020-06-25)
74:25 June 2020
1278:2020 deaths
1273:1933 births
1204:(1): 1â23.
545:T. Hansch;
343:Valery Baev
87:Nationality
1267:Categories
409:References
52:Hindenburg
44:1933-04-18
700:121064455
657:123032224
614:122403487
241:Göttingen
235:Biography
107:Education
1258:Homepage
1183:33325666
1054:10057927
1009:10058561
964:10042785
882:10033521
327:ion trap
299:Research
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1079:Bibcode
1034:Bibcode
989:Bibcode
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814:Bibcode
760:Bibcode
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680:Bibcode
637:Bibcode
594:Bibcode
559:Bibcode
520:Bibcode
485:Bibcode
448:Bibcode
293:Boulder
161:physics
100:Germany
81:Hamburg
64:Germany
60:Prussia
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157:Fields
144:(2015)
137:(1990)
132:Awards
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56:Saxony
1228:Works
1179:S2CID
1153:arXiv
793:: 61.
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653:S2CID
610:S2CID
285:Orsay
275:with
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1050:PMID
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960:PMID
878:PMID
245:Bonn
243:and
71:Died
38:Born
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