Projects in Lechtenfeld's Research Group

Ongoing Projects:

Gauge Fields in Flux Compactifications [ abstract | papers ]

a collaboration between Hanover and Dubna

duration: since 2009
researchers: Bauer, Harland, Lechtenfeld, Lubbe, Nölle, Rahn; Ivanova, Popov
funding: DFG - RFFI (cooperation project) (travel), Heisenberg-Landau (travel)

Algebraic and Geometric Properties of (Conformal) Mechanics with Extended Supersymmetry [ abstract | papers ]

a collaboration between Hanover and Yerevan

duration: since 2009
researchers: Lechtenfeld, Schwerdtfeger, Thürigen; Hakobyan, Nersessian, Ohanyan, Saghatelyan, Yeghikyan; Krivonos
funding: Volkswagen Foundation (travel, 6 months PhD student)

Noncommutative Solitons, Monopoles and Instantons [ abstract | papers ]

duration: since 2001
researchers: Bieling, Brödel, Fischer, Franco-Sollova, Gutschwager, Harland, Ihl, Klawunn, Kürkçüoglu, Lechtenfeld, Abou Zeid, Müller-Ebhardt, Petersen, Popov, Sämann, Spendig, Uhlmann, Wimmer, Wolf; Chu, Domrin, Horvath, Ioannidou, Ivanova, Maceda, Mazzanti, Penati, Sergeev, Tamassia, Szabo
funding: DFG (1 postdoc 07-11, 1 PhD student 09-11), DAAD (1 postdoc 03-05, 1 PhD student 03-06, travel)

Noncommutativity and Partial Supersymmetry Breaking in Field Theory and its String Theoretic Origin [ abstract | papers ]

a collaboration between HU Berlin / Hanover and Dubna / Tomsk / Moscow, Russia

duration: since 2002
researchers: De Castro, Gutschwager, Lechtenfeld, Kürkçüoglu, Popov, Quevedo, Schwerdtfeger, Thürigen; Blumenhagen, Dorn, Lüst;
                    Ivanov, Ivanova, Krivonos, Polovnikov, Shcherbakov, Sorin, Sutulin, Zupnik;
                    Buchbinder, Galajinsky, Krykhtin, Lavrov, Perschin, Petrov, Samsonov; Domrin, Sergeev; Olshanetsky;
                    Ferrara, Sokatchev
funding: DFG - RFFI (cooperation project) (travel), Heisenberg-Landau (travel), INTAS (travel), AvH (1 postdoc 07-08)

Closed Projects:

Noncommutativity and String Theory [ abstract | papers ]

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 - JSPS (cooperation project) (travel)

Strings, Matrix Models, Self-Dual Field Theories and Integrability [ abstract | papers ]

duration: 2000-2008
researchers: Albertsson, Brödel, Ivanova, Jünemann, Kling, Lechtenfeld, Popov, Sämann, Spendig, Uhlmann, Wolf; Siegel
funding: DFG (1 postdoc) (in priority program 00-06, then 07-08), Volkswagen foundation (sabbatical research)

Quantum Field Theoretical Methods in Particle Physics, Gravity, Statistical Physics and Quantum Optics [ home page ]

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 (1 postdoc, 6-7 PhD students, guests and travel)

Quantum Symmetries and Duality in Susy Field Theories and Superstrings [ abstract | papers ]

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: DFG - RFFI (cooperation project), Heisenberg-Landau, INTAS

N=2 Extended Fermionic Strings and Self-Dual Field Theories [ abstract | papers ]

duration: 1993-2000
researchers: Bischoff, Galajinsky, Hippmann, Jünemann, Ketov, Lechtenfeld, Marquart, Niemeyer, Spendig, Stroetmann, Unkmeir;
                     Chalmers, Devchand, Ivanova, Parkes, Popov, Siegel
funding: DFG (1 PhD 10/95-02/00), Volkswagen foundation (sabbatical research), DAAD

Twisted Group Lattices: Lattice Field Theory with Torsion [ abstract | papers ]

a collaboration between Hanover University and City College, New York
duration: 1994-1998
researchers: Lechtenfeld; Samuel
funding: NATO (collaborative research grant)

Black Holes with Self-Interacting Scalar Fields [ abstract | papers ]

duration: 1994-1997
researchers: Dennhardt, Lechtenfeld, Peters, Reinhardt, Unbehaun

Integrable Models in Conformal Field Theory and Strings [ abstract | papers | workshop ]

a collaboration between Hanover University and ITEP, Moscow
duration: 1995 - 1996
researchers: Ketov, Lechtenfeld, Skarke; Kharchev, Lebedev, Losev, Mironov, Polyubin
funding: Volkswagen foundation (collaborative research grant)

Matrix Models: Supersymmetry, Chaos, Loop Equations [ abstract | papers ]

duration: 1993 - 1996
researchers: Adamietz, Akemann, Lechtenfeld, Plefka
funding: Studienstiftung (3 PhD students)