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Immanuel Bloch

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Immanuel Bloch
Born (1972-11-16) 16 November 1972 (age 51)
Fulda, West Germany
NationalityGerman
Known forultracold atoms, optical lattices, and Mott insulator
Awards

EPS Quantum Electronics Prize (2011)

Scientific career
FieldsPhysicist
InstitutionsLudwig-Maximilians University
Max Planck Institute of Quantum Optics
ThesisAtomlaser und Phasenkohärenz atomarer Bose-Einstein-Kondensate (2000)
Doctoral advisorTheodor W. Hänsch

Immanuel Bloch (born 16 November 1972, Fulda) is a German experimental physicist. His research is focused on the investigation of quantum many-body systems using ultracold atomic and molecular quantum gases. Bloch is known for his work on atoms in artificial crystals of light, optical lattices, especially the first realization of a quantum phase transition from a weakly interacting superfluid to a strongly interacting Mott insulating state of matter.[1][2][3]

Career

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Bloch studied physics at the University of Bonn in 1995, followed by a one-year research visit to Stanford University.[4] He obtained his PhD in 2000 working under Theodor W. Hänsch at the Ludwig-Maximilian's University in Munich.[4] The thesis title was Atomlaser und Phasenkohärenz atomarer Bose-Einstein-Kondensate.[5] As a junior group leader, he continued in Munich and started his work on ultracold quantum gases in optical lattices. In 2003, he moved to a full professor position in experimental physics at the University of Mainz, where he stayed until 2009.[6]

In 2008 he was appointed scientific director of the newly founded division on Quantum Many-Body Systems at the Max Planck Institute of Quantum Optics in Garching.[7] Since 2012 he has been vice-dean at the department of physics of Ludwig Maximilian University of Munich[8] and managing director of the Max Planck Institute of Quantum Optics since 2012.

Research

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Bloch's work focuses on the investigation of quantum many-body system using ultracold atoms[9] stored in optical lattice potentials. Among other things, he is known for the realization of a quantum phase transition from a superfluid to a Mott insulator,[10] in which ultracold atoms were brought into the regime of strong correlations for the first time, thereby allowing one to mimic the behaviour strongly correlated materials. The experimental ideas were based on a theoretical proposal by Peter Zoller and Ignacio Cirac. His other works includes the observation of a Tonks–Girardeau gas[11] of strongly interacting bosons in one dimensions, the detection of collapses and revivals[12] of the wavefunction of a Bose–Einstein condensate because of interactions, and the use of quantum noise correlations to observe Hanbury-Brown and Twiss bunching[13] and antibunching[14] for bosonic and fermionic atoms (simultaneously with the group of Alain Aspect). More recently, his research team was able to realize single-atom resolved imaging[15] and addressing[16] of ultracold atoms held in an optical lattice. Much of his related work was carried out in the group of Markus Greiner.

Awards

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In 2005 he was presented with the International Commission of Optics Prize. In 2011, he received the EPS Prize for Fundamental Aspects of Quantum Electronics and Optics[17] of the European Physical Society.

In 2013, Bloch was awarded the Körber European Science Prize and the International Senior BEC Award. For the year 2015 he received the Harvey Prize from Israel's Technion Institute.[18] In 2024 he received the Stern–Gerlach Medal of the German Physical Society.[19]

He is a member of the German Academy of Sciences Leopoldina and an external member of the Canadian Institute for Advanced Research.

References

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  1. ^ "Prof. Dr. Immanuel Bloch | Max-Planck-Institute for Quantum Optics". www.mpq.mpg.de. Retrieved 2023-01-12.
  2. ^ "Prof. Dr. Immanuel Bloch". Hector Fellow Academy. Retrieved 2023-01-12.
  3. ^ "Bloch, Immanuel". www.mpg.de. Retrieved 2023-01-26.
  4. ^ a b "Bloch, Immanuel". Max-Planck-Gesellschaft. 21 October 2021. Retrieved 16 December 2021.
  5. ^ thesis
  6. ^ "CV" (PDF). Retrieved 16 December 2021.
  7. ^ "Bloch, Immanuel Prof. Dr". Quantum Optics Group. 18 November 2021. Retrieved 16 December 2021.
  8. ^ "Willkommen an der Fakultät für Physik". www.physik.lmu.de. Retrieved 16 December 2021.
  9. ^ Bloch, Immanuel; Dalibard, Jean; Zwerger, Wilhelm (18 July 2008). "Many-body physics with ultracold gases". Reviews of Modern Physics. 80 (3): 885–964. arXiv:0704.3011. Bibcode:2008RvMP...80..885B. doi:10.1103/revmodphys.80.885. ISSN 0034-6861. S2CID 119618473.
  10. ^ Greiner, Markus; Mandel, Olaf; Esslinger, Tilman; Hänsch, Theodor W.; Bloch, Immanuel (2002). "Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms". Nature. 415 (6867). Springer Science and Business Media LLC: 39–44. Bibcode:2002Natur.415...39G. doi:10.1038/415039a. ISSN 0028-0836. PMID 11780110. S2CID 4411344.
  11. ^ Paredes, Belén; Widera, Artur; Murg, Valentin; Mandel, Olaf; Fölling, Simon; Cirac, Ignacio; Shlyapnikov, Gora V.; Hänsch, Theodor W.; Bloch, Immanuel (2004). "Tonks–Girardeau gas of ultracold atoms in an optical lattice". Nature. 429 (6989). Springer Science and Business Media LLC: 277–281. Bibcode:2004Natur.429..277P. doi:10.1038/nature02530. ISSN 0028-0836. PMID 15152247. S2CID 4423003.
  12. ^ Greiner, Markus; Mandel, Olaf; Hänsch, Theodor W.; Bloch, Immanuel (2002). "Collapse and revival of the matter wave field of a Bose–Einstein condensate". Nature. 419 (6902). Springer Science and Business Media LLC: 51–54. arXiv:cond-mat/0207196. Bibcode:2002Natur.419...51G. doi:10.1038/nature00968. ISSN 0028-0836. PMID 12214228. S2CID 4392894.
  13. ^ S. Fölling, F. Gerbier, A. Widera, O. Mandel, T. Gericke & I. Bloch, Spatial quantum noise interferometry in expanding ultracold atom clouds, Nature 434, 481 (2005)
  14. ^ Rom, T.; Best, Th.; van Oosten, D.; Schneider, U.; Fölling, S.; Paredes, B.; Bloch, I. (2006). "Free fermion antibunching in a degenerate atomic Fermi gas released from an optical lattice". Nature. 444 (7120). Springer Science and Business Media LLC: 733–736. arXiv:cond-mat/0611561. Bibcode:2006Natur.444..733R. doi:10.1038/nature05319. ISSN 0028-0836. PMID 17151662. S2CID 4341076.
  15. ^ Sherson, Jacob F.; Weitenberg, Christof; Endres, Manuel; Cheneau, Marc; Bloch, Immanuel; Kuhr, Stefan (18 August 2010). "Single-atom-resolved fluorescence imaging of an atomic Mott insulator". Nature. 467 (7311): 68–72. arXiv:1006.3799. Bibcode:2010Natur.467...68S. doi:10.1038/nature09378. ISSN 0028-0836. PMID 20720540. S2CID 4385923.
  16. ^ Weitenberg, Christof; Endres, Manuel; Sherson, Jacob F.; Cheneau, Marc; Schauß, Peter; Fukuhara, Takeshi; Bloch, Immanuel; Kuhr, Stefan (2011). "Single-spin addressing in an atomic Mott insulator". Nature. 471 (7338): 319–324. arXiv:1101.2076. Bibcode:2011Natur.471..319W. doi:10.1038/nature09827. ISSN 0028-0836. PMID 21412333. S2CID 4352129.
  17. ^ "EPS-QEOD Quantum Electronics and Optics Prize – EPS Quantum Electronics and Optics Division (QEOD)". EPS Quantum Electronics and Optics Division (QEOD) – EPS Quantum Electronics and Optics Division (QEOD). 19 November 2021. Retrieved 16 December 2021.
  18. ^ Harvey Prize Laureates
  19. ^ Stern–Gerlach Medal 2024
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