Embedded Files
Monday, July 28th - Friday, August 1st
Monday, July 28th - Friday, August 1st
The school is sponsored by the Simons Collaboration on New Frontiers in Superconductivity, and the Simons Foundation Targeted Grants through the
Fine Theoretical Physics Institute (FTPI) at the University of Minnesota
Please upload your short presentation slide to our Google folder
Program
Program
Kenneth H. Keller Hall
200 Union Street, SE, Room 3-180
Poster Sessions
Poster titles and names of presenters below (click on the carrot/arrow to expand)
Poster Session I - Tuesday, July 29th
Sharp Optical Absorption Peak in Multiband Superconductors with TRSB
Azzam Alzahrani, University of Maryland
Gaplessness from disorder and quantum geometry in gapped superconductors
Sagnik Banerjee, Cornell University
I-V Characteristics of Multivalley SNS junctions.
Liam Bonds and Shiang-Bin Chiu, University of Washington
TBA
Tu Cao, George Mason University
Ab initio description of superconductivity in SrTiO3
Zhihao Cui, Columbia University
Quantum Geometry of Time-Reversal Symmetry Breaking in Flat-Band Superconductors
Aaron Dunbrack, University of Jyväskylä
New Rigorous Bounds for T_c in the \gamma Model: The case \gamma > 1
Ahmed Elezaby, Texas A&M University
Majoranas with a twist: Majorana zero modes in altermagnetic heterostructures
Andreas Hadjipaschalis, Stony Brook University
Viscosity/entropy bound at Tc for electron-boson superconductors
Aaron Kleger, Dartmouth College
Strong Non-linear Response in Strange Metals
Serhii Kryhin, Harvard University
Quantum oscillation crossover in thermal conductivity: from electron to phonon dominance
Yueh-Chen Lee, University of Minnesota
Spectroscopic Signatures of a Kitaev Spin Liquid in a Planar Tunnel Geometry
Weiyao Li, University of Minnesota
Twist-angle evolution of the intervalley-coherent antiferromagnet in twisted WSe2
Daniel Munoz-Segovia, Columbia University
Superconductivity due to fluctuating loop currents
Risto Ojajärvi, University of Jyväskylä
Floquet engineering strongly correlated phases
Joao Pedro Costa, Ames Lab
Particle detection utilizing magnetic superconducting transition
Lok Raj Pant, Texas A&M University
Superconductivity and pair density waves from nearestneighbor interactions in frustrated lattice geometries
Sofia Pöntys, Aalto University
Spin Ferromagnetism in Altermagnets
Mercè Roig, University of Wisconsin-Milwaukee
Superconductivity near a van Hove singularity - a determinant quantum Monte Carlo study
Gustav Romare, University of Wisconsin-Madison
Switching between superconductivity and current density waves in Bernal bilayer graphene
Jun Ho Son, National High Magnetic Field Laboratory
Anomalous Superfluid Density in Pair-Density-Wave Superconductors
Ke Wang, University of Chicago
Variational Diagrammatic Monte-Carlo Built on Dynamical Mean-Field Theory
Yueyi Wang, Rutgers University
Pairing boost from enhanced spin-fermion coupling in the pseudogap regime
Yang Yu, University of Michigan
Poster Session II - Thursday, July 31st
Intertwined geometries in collective modes of two dimensional Dirac fermions
Ankan Biswas, Ariel University, Israel
TBA
Ian Chong, Iowa State University
Analog quantum simulators
Chunhan Feng, Flatiron Institute
Moire-trapped CDW in RuO2(110) / Ru(0001)
Andreas Feuerpfeil, University of Wuerzburg
Anisotropic Josephson coupling of d-vectors arising from interplay with frustrated spin textures
Grayson Frazier, Johns Hopkins University
Axion electrodynamics and giant magnetic birefringence in Weyl excitonic insulators
Anna Grigoreva, University of Washington
SU(3) spin-phonon simulations of Floquet dynamics in a spin S=1 Mott insulators
Kathleen Hart, University of Toronto
Superconducting diode effect in helical superconductors
Jaglul (Joy) Hasan, University of Wisconsin-Madison
Frozonium: Freezing Anharmonicity in Floquet Superconducting Circuits
Keiran Lewellen, Cornell University
Coadjoint-orbit Bosonization for multiband systems in a weak magnetic field -- application to the Rashba band
Guangjie Li, University of Utah
Spin fluctuations in ferromagnetically ordered systems
Tommi Malmelin, Aalto University
Beyond Eliashberg Theory of Superconductivity in flat-band systems
Natale Matranga, University of Jyväskylä
TBA
Ana-Marija Nedic, University of Minnesota
Understanding the Gap structure and phase diagram in twisted bilayer Cuprates.
Siddhant Panda, University of Florida
Non-reciprocal Resistance of Mo3Al2C Near the Normal-Superconducting Transition
Jeongsoo Park, University of Minnesota
Phase diagram of quantum multiferroics Ru2Cu2Mo3O12 and Ce2Cu2Mo3O12
Patrick Pinney; University of Connecticut
Superconducting diode effects from higher order magnetic toroidal moments
Anant Rastogi, University of Minnesota
Particle-hole symmetry breaking at Abrikosov vortices
Alok Nath Singh, University of Rochester
Phonon-driven multipolar dynamics in a spin-orbit coupled Mott insulator
Ruairidh Sutcliffe, University of Toronto
Intertwining bulk and surface in UTe2
Andras Szabo, ETH Zurich
Dynamical Signatures of Time-Reversal Breaking at Superconductor Interfaces
Jefferson Tang, University of Connecticut
Supercurrent Diode: A Sensitive Symmetry Probe and Symmetry-Augmented Device
Hung-Yu Yang, UCLA
Controlled analytic continuation of Matsubara correlation functions using minimal pole representation
Lei Zhang, University of Michigan
Magnetism of the Bilayer Wigner Crystal
Dmitry Zverevich, University of Wisconsin-Madison
Homework Groups
Group 1 - Agterberg
Group 1 - Agterberg
Bhatta, H C Regan
Bril, Arthur
Cao, Tu
Duong, Daniel
Frazier, Grayson
Hadjipaschalis, Andreas
Hart, Kathleen
Jmukhadze Erekle
Li, Shuyi
Li, Weiyao
Matranga, Natale
Mitra, Tushar
Na, Ilyoun
Nguyen Dinh, Hung
Panda,Siddhant
Park, Sang Hyun
Pinney, Patrick
Pöntys, Sofia
Rastogi, Anant
Singh, Alok Nath
Sutcliffe, Ruairidh
Yang, Hung-Yu
Group 2 - Prokofiev
Group 2 - Prokofiev
Alzahrani, Azzam
Banerjee, Sagnik
Bayindirli, Mehmet Batu
Carvalho Costa, Jao Pedro
Chiu, Shiang-Bin
Chong, Zhi Xiang (Ian)
Cui, Zhihao
Islam, Kazi
Lee, Brian
Lee, Yueh-Chen
Mayrhofer, David
Michalak, Solomon
Munoz-Segovia, Daniel
Pant, Lok Raj
Ramos Alonso, Alejandro
Roig, Mercè
Stark, Ethan
Sutradhar Jagannath
Szabo, Andras
Tarafdar, Arindam
Tscheppe, Patrick
Wang, Yueyi
Zhang, Lei
Group 3 - Chubukov
Group 3 - Chubukov
Arie, Oz
Biswas, Ankan
Bonds, Liam
Dunbrack, Aaron
Elezaby, Ahmed
Feng, Chunhan
Gankhuyag Indra
Geng, Hao
Gonzalez Duque, Anguie Xiomara
Grigoreva, Anna
Hasan, Jaglul
Kleger, Aaron
Kryhin, Serhii
Lewellen, Keiran
Li, Guangjie
Malladi, Ananth Venkatesh
Ojajärvi, Risto
Park, Jeongsoo
Romare, Gustav
Shah, Niraj Kumar
Son, Jun Ho
Tang, Jefferson
Tommi Malmelin, Aalto University
Wang, Jiakai
Yu, Yang
Zhao, Sijia
Zhu, Qianyao
Zverevich, Dmitry
Speakers and Content of the lectures
Speakers and Content of the lectures
Daniel Agterberg
University of Wisconsin – Milwaukee
Brief introduction to single band BCS theory (ala Gorkov/Sigrist/Ueda/Rice/Volovik)
Momentum space topological nodal classification - discrepancies with single-band theory (maybe review real space 10-fold classification as well).
New superconductivity physics from additional degrees of freedom (Bogoliubov Fermi surfaces, fully gapped SC when nodes expected, breakdown of Blount's theorem, other examples).
Band descriptions including additional degrees of freedom (band representations with orbital, sublattice, spin and including non-symmorphic groups).
Representative tight-binding Hamiltonians of the above and applications to magnetism and superconductivity (likely chosen from my recent research).
Andrey Chubukov
FTPI, University of Minnesota
Lecture 1. BCS (briefly), superconductivity from nominally repulsive Coulomb interaction, Kohn-Luttinger superconductivity in 3D and 2D. Applications to cuprates (d-wave), Fe-based (s+-) , doped graphene (d+id) and twisted WSe2.
Lecture 2. a) Renormalization group treatment of SC [using Fe-based as an example]. b) Pairing by collective fluctuations (spin and charge) as an extention of Kohn-Luttinger, with FM and AFM spin fluctuations as two examples. c) Discussion on how to obtain an effective pairing interaction mediated by a coll. mode
Lecture 3. Interplay between the self-energy and pairing vertex. Eliashberg theory for both electron-phonon and collective mode cases and the limits of its applicability. Role of thermal fluctuations for spin-singlet and spin-triplet pairing (with application to electron-doped cuprates).
Lecture 4. Pairing at a QCP. a) Non-BCS pairing scenario. b) Threshold on the interaction and multiple solutions. c) Application to pairing at a van Hove point [BCS-looking formula for Tc, but non-BCS pairing mechanism].
Nikolay Prokofiev
University of Massachusetts, Amherst
Tc from the divergent response to the symmetry breaking field --> gap function equation
Getting BCS superconductivity out of it. Getting T_c from frequency dependence of the interaction + a discussion of what to expect from Coulomb interactions
General setup for bipolaron superconductivity. Some properties of polarons and bipolarons. Several models and their properties.
Fate of Migdal-Eliashberg theory at strong coupling.
Details
Details
LOCATION
The School will take place in Kenneth H. Keller Hall 3-180 (ground floor), 200 Union Street SE, Minneapolis 55455.
The Pizza party will take place in the atrium of John T. Tate Hall, 116 Church Street, SE, Minneapolis 55455
GROUND TRANSPORTATION
Once you land at the Minneapolis/St. Paul International Airport (MSP), you have several options you can take to get to the University of Minnesota (UMN). There is Light Rail, shuttle, Lyft/Uber and taxi services from the airport. Car rental is not encouraged because it is unnecessary and parking is expensive.
If you are arriving/departing late at night we recommend taking a Lyft/Uber or taxi.
Light Rail: take the blue line from either Terminal 1 or 2 to the US Bank Stadium station. There you should make a transfer to the green line heading east to campus. Your final stop on the green line will be the East Bank station
LODGING
Out of town participants will stay in dorm rooms at Pioneer Hall and Centennial Hall. Participants will receive individual messages regarding their reservations.
PARKING
If you are driving to the UMN campus the most economical option for parking is the Maroon lot at $6 per day. You will get a ticket when you enter and pay when you exit. You can leave your car here for the duration of the school and overnights are not a problem.
HOMEWORK AND PRESENTATIONS OF HOMEWORK SOLUTIONS
The student body will be split into three subgroups. Each group will receive a problem from one of the three lecturers on Monday. Groups have until Friday to solve the problem working within the subgroup. On Friday, a group representative will present the solution and defend it to the full audience (30 min per subgroup).
POSTER SESSIONS
Poster sessions have been added to the program. There will be a poster session on Tuesday, July 29th and Thursday, July 31st. We will split students into two groups. Group I will have presentations on Monday and a poster session on Tuesday. Group II will have presentations on Wednesday and a poster session on Thursday. We will send details closer to the start of the school. Posters will be attached to foam core boards and placed on easels. Recommended poster size is 4 x 4 feet but can be larger or smaller.
SHORT PRESENTATIONS BEFORE POSTERS
Each person will have 2 minutes to either advertise their poster or, if you prefer, tell us about something new. This should surprise others and force them to think about what you have said.
POSTER PRINTING
Poster printing may be done through Coffman Memorial Union Print Center. They require a PDF in the requested size you would like the poster printed (one dimension needs to be 44" or under.) The cost is $8 per square foot. For example a 36x48 inch poster is $96. Email cmucc@umn.edu - you may pay with cash or card.
For Questions contact ftpi@umn.edu or bieve008@umn.edu
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