Workshop II: Model Reduction in Quantum Mechanics - IPAM

Workshop II: Model Reduction in Quantum Mechanics

Part of the Long Program Advancing Quantum Mechanics with Mathematics and Statistics
April 11 - 15, 2022

Schedule

All times in this Schedule are Pacific Time (PT)

Monday, April 11, 2022

Morning Session

08:00-08:55
Check-In/Light Breakfast (Hosted by IPAM)
08:55-09:00
Welcome & Opening Remarks: Dean Miguel García-Garibay (Dean of Physical Sciences, UCLA) and Dima Shlyakhtenko (Director, IPAM)
Session Chair: Maria Esteban (CNRS and Université Paris-Dauphine)
09:00-09:50
Volker Bach (TU Braunschweig)
The Hartree-Fock Approximation and its Generalizations
10:00-10:15
Break
10:15-11:05
Benjamin Schlein (University of Zurich)
Virtual Talk: Correlation energy of weakly interacting fermions
11:15-11:30
Break
11:30-12:20
Garnet Chan (California Institute of Technology)
Lattice models and ab initio descriptions of correlated materials

Afternoon Session

12:30-14:30
Lunch (on your own)
Session Chair: Garnet Chan (Caltech)
14:30-15:20
Roi Baer (Hebrew University)
Stochastic Vector Methods for extended systems
15:30-15:45
Break
15:45-16:35
Qin Li (University of Wisconsin-Madison)
Multiscale inverse problem, from Schroedinger to Newton to Boltzmann
16:45-17:00
Lightning Poster Presentations
17:00-18:30
Poster Session & Reception (Hosted by IPAM)

Tuesday, April 12, 2022

Morning Session

08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
Session Chair: Eric Cances (École Nationale des Ponts-et-Chaussées)
09:00-09:50
Maria J. Esteban (Université de Paris IX (Paris-Dauphine))
Spectral results and open problems for Dirac-Coulomb operators with general charge distributions
10:00-10:15
Break
10:15-11:05
Stefan Teufel (Eberhard-Karls-Universität Tübingen)
Virtual Talk: Local response in bulk-gapped interacting systems
11:15-11:30
Break
11:30-12:20
Mathieu Lewin (CNRS and Université Paris-Dauphine)
Virtual Talk: Recent results in Density Functional Theory

Afternoon Session

12:30-14:30
Lunch (on your own)
Session Chair: Volker Bach (TU Braunschweig)
14:30-15:20
Marco Bernardi (California Institute of Technology)
Precise quantum mechanical calculations of electron interactions and dynamics in condensed matter
15:30-16:00
Break
16:00-16:50
Francesco Evangelista (Emory University)
Many-electron effective Hamiltonians from the similarity renormalization group

Wednesday, April 13, 2022

Morning Session

08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
09:00-09:00
Session Chair: Carlos Garcia-Cervera (UC Santa Barbara)
09:00-09:50
Giovanni Vignale (University of Missouri-Columbia)
Quantum continuum mechanics for many-body systems
10:00-10:15
Break
10:15-11:05
Eric Séré (Université de Paris IX (Paris-Dauphine))
Virtual Talk: The ground state of the Dirac-Fock energy for molecules and crystals
11:15-11:30
Break
11:30-12:20
Andreas Savin (Centre National de la Recherche Scientifique (CNRS))
Getting beyond density functional approximations by using lessons from density functional theory

Afternoon Session

12:30-14:30
Lunch (on your own)
14:30-14:30
Session Chair: David Ceperley (Univ. Illinios)
14:30-15:20
Lukas Muechler (Penn State University)
Quantum embedding methods for correlated excited states of point defects: Case studies and challenges
15:30-16:00
Break
16:00-16:50
Guido Falk von Rudorff (University of Kassel)
Systematically improvable models from alchemical perturbations

Thursday, April 14, 2022

Morning Session

08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
09:00-09:00
Session Chair: Francois Gygi (UC Davis)
09:00-09:50
Steve White (University of California, Irvine (UCI))
Model reduction using localized bases and DMRG
10:00-10:15
Break
10:15-11:05
Paola Gori-Giorgi (Vrije Universiteit Amsterdam)
Virtual Talk: Large-coupling strength expansion in DFT and Hartree-Fock adiabatic connections
11:15-11:30
Break
11:30-12:20
Feliciano Giustino (University of Texas at Austin)
Virtual Talk: Methods and software for electron-phonon physics

Afternoon Session

12:30-14:30
Lunch (on your own)
Session Chair: Steve White (UC Irvine)
14:30-15:20
Nandini Ananth (Cornell University)
Virtual Talk: Quantum dynamics from classical trajectories
15:30-16:00
Break
16:00-16:50
Moderated Discussion

Friday, April 15, 2022

Morning Session

08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
Session Chair: Andreas Savin (Sorbonne)
09:00-09:50
Eric Cances (École Nationale des Ponts-et-Chaussées)
Some mathematical and numerical results on monolayer and twisted bilayer graphene
10:00-10:15
Break
10:15-11:05
Anil Damle (Cornell University)
Localization methods: perspectives on initialization and optimization
11:15-11:30
Break
11:30-12:20
Eun-Ah Kim (Cornell University)
Virtual Talk: Machine Learning for Quantum Simulation

Afternoon Session

12:30-12:30
Conclusion
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