1. Search for Novel Quantum Phases in Solids @
Neutral atoms in optical lattices and photonic wave guides, arrays of optomechanical elements, and electrons in solids
David Hsieh

2. Quantum phases of matter in solids
Topological protection
Unconventional high-Tc
superconductors
Quantum ordered/disordered magnets
Quantum liquid crystals
Correlated insulators & Fermi/non-Fermi fluids
Multipolar ordered phases
Charge/spin density wave phases
Coulomb interactions
Lattice geometry & dimension U
Kinetic hopping f t  J
Spin-orbit coupling
Magnetic exchange

3. I. Symmetry Broken Phases III. Light Induced Phases
Our specific targets
I. Symmetry Broken Phases
II. Topological Phases
III. Light Induced Phases
Make intro about neutral atoms, optomechanics and electrons in solids

4. I. Broken Symmetries in Correlated Electron Systems
Sr2IrO4 T*
Pseudogap
Temperature
AFM insulator TN
Doping
d-wave gap
Y. K. Kim et al., Nature Phys. 12, 37 (2016)
High-Tc cuprates
B. Keimer et al., Nature Review 518, 179 (2015)

5. Broken Symmetries via Nonlinear Optical Response
Expand on mission for all sections. Give URS and Cuprate as examples of hidden order.

6. High Speed Nonlinear Optical Anisotropy
Talk about Lauren
D. H. Torchinsky et al., Rev. Sci. Instrum. 85, (2014)
J. Harter, L. Niu et al., Opt. Lett. 40, 4671 (2015)

7. Hidden Parity-Odd Order in both Sr2IrO4 and YBa2Cu3Oy
100μm
High temperature
100μm
Low temperature
IPS (2ω) Norm.
T ( K )
TΩ  232K 2 
T vs. doping phase diagram Ir O + −
Complementary to Rosenbaum diffraction. Q=0
L. Zhao et al. Nature Phys. 12, 32 (2016)

8. Facilities
Competition. Describe how we evaluate. Say that funding was for laser.

9. Realizing Topological Superconductors
1 - Dimension
3 - Dimensions?
2-D Majoranas on surface
Observed? No!
S. Sasaki et al. PRL. 107, (2011)
Theoretical Calculation
Bulk
Surface
Predicted to exist in strongly spin-orbit coupled low Tc superconductors
(e.g. CuxBi2Se3 ; Tc ~ 3K,  ~ 0.6 meV)
0-D Majoranas at ends
Observed? Yes!
Nanowires
Atomic chains

10. Angle-Resolved Photoemission Spectroscopy
Well suited to topological insulators
T ~ 10 K
E ~ 10 meV

11. Ultracold (< 1K) + Ultrahigh energy resolution (< 1meV) ARPES
Facilities
Ultracold (< 1K) + Ultrahigh energy resolution (< 1meV) ARPES
Record (0.8 K) achieved
Best temperature.

12. III. Light Induced Out-of-Equilibrium Phases
Floquet engineering and ultrafast detection
Probe
Time delay
To detector
Pump
Talk about interactions with IQIM. Motivate this topic in general. Be careful of Oka. Something that Aditi has been working on.

13. Light-Induced Phases in Correlated Systems
Ultrafast symmetry detection
Add physical mechanism. Compare to VO2. More context and motivation.

14. III. Light Induced Out-of-Equilibrium Phases
Talk about interactions with IQIM. Motivate this topic in general. Be careful of Oka. Something that Aditi has been working on.

15. Facilities

16. The Team Undergraduates Dr. Alberto de la Torre Dr. Liuyan Zhao
Dr. John Harter
Dr. Darius Torchinsky
Hao Chu
Tejas Deshpande
New postdocs give IQIM seminars
Undergraduates
Kalliopi Somis
Jenny Lee
Mohar Chatterjee
Cameron Dashwood