Projects

Active Projects:
 

• Nicolai maps in super gauge theory and gravity
  duration: since 2023
  researchers: Casarin, Lechtenfeld, Nicolai, Rupprecht, N.N.
  funding: DFG (2-year postdoc)
   
• Integrable many-body systems and their PT deformations
  duration: since 2006
  researchers: Lechtenfeld, Schwerdtfeger, Thürigen; Galajinsky, Hakobyan, Karakhanyan, Kozyrev, Krivonos, Nersessian, Polovnikov, Provorov, Saghatelian, Sidorov, Sutulin, Yeghikyan; Carrillo-Morales, Correa, Plyushchay; Feigin, Fring, Polychronakos, Nampuri
  funding: AvH (2-year fellowship for F. Correa)
   

Suspended Projects:
 

• Dualities, Supersymmetry and Gauge Theories in Diverse Dimensions
  a collaboration between Hanover and Dubna / Tomsk / Moscow, Russia
  duration: since 2002
  researchers: De Castro, Gutschwager, Lechtenfeld, Kürkçüoglu, Petersen, Popov, Quevedo, Schwerdtfeger, Thürigen; Kleihaus, Kunz, Shnir; Fedoruk, Ivanov, Ivanova, Kozyrev, Krivonos, Polovnikov, Provorov, Shcherbakov, Sidorov, Sorin, Sutulin, Zupnik; Buchbinder, Galajinsky, Krykhtin, Lavrov, Merzlikin, Orekhov, Perschin, Petrov, Pletnev, Reshetnyak, Samsonov; Domrin, Sergeev; Olshanetsky; Bellucci, Delduc, Ferrara, Hakobyan, Nersessian, Sokatchev, Toppan
  funding (travel): DFG 436 RUS 113/669, DFG LE 838/12, 17, 18, Heisenberg-Landau, INTAS, AvH (1 postdoc 07-08)
  
   

Closed Projects:
 

• Research Training Group GRK 1620   Models of Gravity
  duration: 2012-21

   

• Gauge Fields in Flux Compactifications / Infinite hidden symmetries and integrability of N=4 super-Yang-Mills theory
  duration: 2008-2022
  researchers: Avramenko, Bauer, Bunk, Chatzistavrakidis, Cork, Deser, Ertürk, Geipel, Gemmer, Hannemann, Hartwig, Harland, Haupt, Hirpara, Kumar, Lechtenfeld, Lubbe, Nölle, Picanço Costa, Popov, Rahn, Sperling, Tormählen, Zhilin; Ivanova, Kutluk, Musaev, Jonke, Szabo, Ünal
  funding: DFG 436 RUS 113/995 (travel), DFG LE 838/13, 19 (1 postdoc 12-22), Heisenberg-Landau (travel)

   

• Research Training Group GRK 1463   Analysis, Geometry and String Theory
  duratrion: 2008-17

   

• Noncommutative models in physics
  a collaboration between Hanover and Mexico City (UAM)
  duration: 2009-2013
  researchers: Abou Zeid, Goffeng, Lechtenfeld; Linares, Maceda, Macias, Gonzales; Domrin
  funding: DAAD-CONACyT, DFG-CONACyT (exchange with Mexico)

   

• Algebraic and Geometric Properties of (Conformal) Mechanics with Extended Supersymmetry
  a collaboration between Hanover and Yerevan
  duration: 2009-2014
  researchers: Lechtenfeld, Schwerdtfeger, Thürigen; Hakobyan, Nersessian, Ohanyan, Saghatelyan, Yeghikyan; Krivonos
  funding: Volkswagen Foundation I/84 496 (subsistence for Armenian colleagues, travel, 6 months PhD student)

   

• Noncommutative Solitons, Monopoles and Instantons
  duration: 2001-2012
  researchers: Abou Zeid, Bieling, Brödel, Engelke, Fischer, Franco-Sollova, Gutschwager, Harland, Ihl, Klawunn, Kürkçüoglu, Lechtenfeld, Müller-Ebhardt, Petersen, Popov, Sämann, Spendig, Uhlmann, Wimmer, Wolf; Chu, Domrin, Horvath, Ioannidou, Ivanova, Mazzanti, Penati, Sergeev, Tamassia, Szabo
  funding: DFG LE 838/9 (1 postdoc 07-12, 1 PhD student 09-11), DAAD (1 postdoc 03-05, 1 PhD student 03-06, travel)

   

• Noncommutativity and String Theory
  a collaboration between Hanover and Tokyo Metropolitan University, Japan
  duration: 2006-2008
  researchers: Lechtenfeld, Brödel, Ivanova, Kürkçüoglu, Petersen, Popov, Wimmer, Wolf; Ketov, Kitazawa, 3 PhD students
  funding: DFG 446 JAP 113/319 (travel)

   

• Strings, Matrix Models, Self-Dual Field Theories and Integrability
  duration: 2000-2009
  researchers: Albertsson, Brödel, Ivanova, Jünemann, Kling, Lechtenfeld, Popov, Sämann, Spendig, Uhlmann, Wolf; Siegel
  funding: DFG LE 838/7 & 10 (1 postdoc) (in priority program 00-06, then 07-08), Volkswagen foundation I/77 621 (sabbatical research)

   

• Quantum Field Theoretical Methods in Particle Physics, Gravity, Statistical Physics and Quantum Optics
  a graduate study program (PhD training and research) jointly with Profs. Dragon, Everts, Frahm, Lewenstein, Mikeska, Schulz and Dr. Flohr
  duration: 1997-2006
  funding: DFG GRK 282 (1 postdoc, 6-7 PhD students, guests and travel)

   

• Quantum Symmetries and Duality in Susy Field Theories and Superstrings
  a collaboration between HU Berlin / Hanover and Dubna / Tomsk, Russia
  duration: 1996-2001
  researchers: Dorn, Lüst, Otto, Preitschopf; Dragon, Ketov, Lechtenfeld; Theisen, Kuzenko; Ivanov, Krivonos, Pashnev, Popov, Sorin, Zupnik; Buchbinder, Deriglazov, Lavrov, Perschin, Sibiryakov
  funding (travel): DFG 436 RUS 113/359, Heisenberg-Landau, INTAS

   

• N=2 Extended Fermionic Strings and Self-Dual Field Theories
  duration: 1993-2002
  researchers: Bischoff, Galajinsky, Hippmann, Jünemann, Ketov, Lechtenfeld, Marquart, Niemeyer, Spendig, Stroetmann, Unkmeir; Chalmers, Devchand, Ivanova, Parkes, Popov, Siegel
  funding: DFG LE 838/1 & 5 (1 PhD 10/95-02/00), Volkswagen foundation I/71 919 (sabbatical research), DAAD

   

• Twisted Group Lattices: Lattice Field Theory with Torsion
  a collaboration between Hanover University and City College, New York
  duration: 1994-1998
  researchers: Lechtenfeld; Samuel
  funding: NATO CRG 930761 (collaborative research grant)

   

• Black Holes with Self-Interacting Scalar Fields
  duration: 1994-1997
  researchers: Dennhardt, Lechtenfeld, Peters, Reinhardt, Unbehaun

   

• Integrable Models in Conformal Field Theory and Strings
  a collaboration between Hanover University and ITEP, Moscow
  duration: 1995 - 1996
  researchers: Ketov, Lechtenfeld, Skarke; Kharchev, Lebedev, Losev, Mironov, Polyubin
  funding: Volkswagen foundation I/70 047 (collaborative research grant)

   

• Matrix Models: Supersymmetry, Chaos, Loop Equations
  duration: 1993 - 1996
  researchers: Adamietz, Akemann, Lechtenfeld, Plefka
  funding: Studienstiftung (3 PhD students)