Condensed Matter Physics More is Different N 10 23 Hierachical - - PowerPoint PPT Presentation
Condensed Matter Physics More is Different N 10 23 Hierachical Structure of Science P . W. Anderson F = E TS Science, 177, 393 (1972) Broken Symmetry & Emergence New Phases of Matter
Hierachical Structure of Science P . W. Anderson
Science, 177, 393 (1972)
Broken Symmetry & Emergence
“New Phases of Matter” “Restore Symmetry”
“Quantum Condensates” λ = h p = h √2mkBT
Hierachical Structure of Science P . W. Anderson
Science, 177, 393 (1972)
Broken Symmetry & Emergence
“New Phases of Matter” “Restore Symmetry”
“Quantum Condensates” λ = h p = h √2mkBT A New Organizing Principle − → “Topological Order”
Quantum Hall Effect σHall = N e2 h
◮ Topological Insulators & Superconductors ◮ Bulk-Edge Correspondence ◮ Edge States & Quantized Transport ◮ Majorana Fermions with non-abelian statistics ◮ Topologically protected quantum computing
Over 200 classes of topological materials ... almost all undiscovered!
◮ Topological Quantum Matter: Insulators, Semi-Metals, Superconductors & Superfluid 3He ◮ Quantum Theory of Macroscopic Systems - Circuit Quantum Electrodynamics ◮ Quantum Phase Transitions in “Open Quantum Systems” of Photons and Matter ◮ Foundations of Quantum Theory - Tests of Hidden Variables ◮ Spontaneous Symmetry Breaking: Spinor BEC to Exotic Superconductivity ◮ Quantum Matter under Extreme Conditions: Ultra-High Fields & Strong Gravity ◮ Far from Equilibrium: Quantum Turbulence & Non-Equilibrium Phase Transitions ◮ Superconductivity: Cavities for Particle Accelerators & Quantum Computing
Faculty:
Anupam Garg Pallab Goswami Jens Koch Jim Sauls
Faculty:
Anupam Garg Pallab Goswami Jens Koch Jim Sauls
Graduate Students:
Brian Baker Jason He Ziwen Huang Wei-Ting Lin Robert Regan Alex Tyner Xinyuan You Danny Weiss New Student
Post-Docs:
Shouvik Sur Wave Ngampruetikorn Mehdi Zarea
Senior Research Collaborators:
Oleksii Shevtsov Peter Groszkowski Ivar Martin Anna Grassellino Alex Romanenko
Molecular Nanomagnets Collective Spin Dynamics Iso-energetic magnetization relaxation Demag, hole digging & hysteresis protocols
Avinash Vijayaraghavan (PhD 2011) Erik Lenferink (NU) Yun Liu (UIUC)
Spin Semi-Classical Dynamics Motivation: Data for tunneling of SMMs Weyl ”ordering” & Wigner function for Spin Coherent-state Path Integration for Spin
Carol Braun (PhD 2011) Feifei Li (Post-Doc) Yun Liu, Mike Stone (UIUC) Tony Jin, (Exchange Student, Paris)
◮ Topological and Geometric Properties of Quantum Materials ◮ Phase Transitions ◮ Strongly Interacting and Disordered Systems
Quantum Critcal anomalous Nernst efect of Weyl fermions in Co Mn G a G a ₂
Superconducting Quantum Circuits ◮ Quantized Energy Levels of the Circuit ◮ Theory of Quantum Computation ◮ J. Koch et al., PRL 103, 217004 (2009) Quantum Simulators ◮ Interacting photons in µ-wave Cavities
Current & Future Research - NSF-DMR program Topological Phases of Quantum Matter ◮ Signatures of Majorana & Weyl Fermions ◮ Non-equilibrium Dynamics of Topological Edge and Surface States ◮ Interactions in Topological Quantum Matter: Emergent Bosonic Excitations Chiral Superconductors & Superfluids ◮ Signatures: Anomalous Hall Effects ◮ Chiral Anomalies in Superfluid 3He ◮ B-T Phase Diagrams of Chiral Superconductors ◮ Higgs Modes of Chiral & Nematic Ground States Current & Future Research - DOE & NSF-PHY programs Matter & Fields under Extreme Conditions ◮ Topological Defects in Quantum Matter ◮ Theory of the Kibble-Zurek Mechanism ◮ Neutrino Transport: Neutron Star (NS) Cooling ◮ Non-equilibrium Phase Transitions in NS Superconductivity under Extreme Conditions ◮ Theory: Accelerating field of SC RF Cavities ◮ Theory: Non-Equlibrium Superconductivity ◮ Transport in Superconducting Quantum Circuits ◮ Quantum Spintronics with Superconductors CAPST: Center for Applied Physics & Superconducting Technologies
09/26/20 17 Presenter | Presentation Title or Meeting Title 8
Improving coherence of 3D qubits using SRF cavitjes