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Quantum Cluster Methods for Correlated Materials Sherbrooke, 6-8 Juillet 2005.

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Presentation on theme: "Quantum Cluster Methods for Correlated Materials Sherbrooke, 6-8 Juillet 2005."— Presentation transcript:

1 Quantum Cluster Methods for Correlated Materials Sherbrooke, 6-8 Juillet 2005

2 Quantum Cluster Methods for Correlated Materials Does the Hubbard model have a d-wave superconducting ground state? What is the origin of the pseudogap in high- temperature superconductors? When do stripes and other inhomogeneous phases appear? How can we predict properties of materials with d and f electrons? (or cold atoms)

3 Quantum Clusters for Correlated Materials One-particle properties : Experiment –ARPES (Shen, Damascelli) –Local DOS (Davis, Lupien) Spin excitations : Experiment –Neutron (Greven)

4 Quantum Clusters for Correlated Materials ED (Prelovsek) QMC, DMRG (Scalapino, Moreo, Sorensen, Prokof’ev, Lin) Variational methods (Sorella, Paramekanti, Capello, Becca), Many-Body (Rice, Marsiglio, Chitov, Isaksov, Hopkinson) RG TPSC (Tremblay, Davoudi, Kyung, Marsiglio)

5 Quantum Clusters for Correlated Materials Bridges: (Sandvik, Troyer) Competing or complementary methods? –DCA (Jarrell, Maier, Macridin) –CDMFT (Kotliar, Kancharla, Kyung) –CPT (Sénéchal, Eder) –VCPT (Potthoff, Sénéchal, Sahebsara, Tremblay)

6 Quantum Cluster Methods for Correlated Materials Review: Th. Maier, M. Jarrell, Th. Pruschke, M.H. Hettler, RMP (2005) Th. Maier, M. Jarrell, Th. Pruschke, and J. Keller PRL 85, 1524 (2000) A. Paramekanti, Mohit Randeria, and Nandini Trivedi, PRL 87, 217002 (2001). S. Sorella, G. B. Martins, F. Becca, C. Gazza, L. Capriotti, A. Parola, and E. Dagotto PRL 88, 117002 (2002) D. Poilblanc and D.J. Scalapino Phys. Rev. B 66, 052513 (2002) (2002) D. Sénéchal, P.-L. Lavertu, M.-A. Marois and A.-M.S. Tremblay, PRL 94, 156404 (2005) T.A. Maier, M. Jarrell, T.C. Schulthess, P. R. C. Kent, and J.B. White, cond-mat/0504529

7 Quantum Clusters for Correlated Materials A subject for a « Concentration period » –High temperature superconductivity.

8 Format 30 minutes, 15 minutes, –Short questions Discussion periods with one or two 5 minute talks (5 hours) The USB key man (Dominic) –Those speakers that agree can have their talk on the PITP web site.

9 Sign-up sheets Banquet tonight (19:10) –Game –Vegetarian.

10 Sign-up sheets (This afternoon) Outdoor activities (Sébastien) –Canoe, Kayak, Walk, River swimming –Bicycle –Hiking Mont Bellevue –Pontoon (Rental) (Swimming) Visits –Laboratory for Quantum Materials (Patrick) –Mammouth (Technical visit, fastest computer in Canada) (Alain)

11 A fraction of Mammouth

12 Don’t be shy, talk to each other Have a great workshop


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