Group Meetings Schedule 2017

Jan 4, Xuguang Yue, Wednesday 7:00 pm pitt time ( Jan 5, 8:00 am Beijing time)

A Superradiant Topological Peierls Insulator inside an Optical Cavity F. Mivehvar, H. Ritsch, and F. Piazza, arXiv:1611.04876

Jan 11, Biao Huang, Wednesday 7:00 pm pitt time ( Jan 12, 8:00 am Beijing time)

Experiment for Interacting Hofstadter Model Ref: M. Eric Tai et. al. (M. Greiner’s group), arxiv: 1612.05631

Jan 18, Yonggang Tan, Wednesday 7:00 pm pitt time ( Jan 19, 8:00 am Beijing time)

Practical device-independent quantum key distribution

Jan 25, Ahmet Keles, Wednesday 7:00 pm pitt time ( Jan 26, 8:00 am Beijing time)

Semisynthetic zigzag optical lattice for ultracold bosons, arxiv: 1610.00709 (2016)

Feb 1, Haiyuan Zou, Wednesday 7:00 pm pitt time ( Feb 2, 8:00 am Beijing time)

Quantum effect in frustrated zigzag chain

Feb 8, Max Arzamasovs, Wednesday 7:00 pm pitt time ( Feb 9, 8:00 am Beijing time)

Measuring Topological Number of a Chern-Insulator from Quench Dynamics H. Zhai group, including Jinlong arXiv:1611.03304

Feb 15, Xuguang Yue, Wednesday 7:00 pm pitt time ( Feb 16, 8:00 am Beijing time)

Quasiparticle excitations in a strongly interacting BEC S. Papp, et al., Phys. Rev. Lett. 101, 135301 (2008) R. Lopes, et al., arXiv:1702.02935

Feb 22, Biao Huang, Wednesday 7:00 pm pitt time ( Feb 23, 8:00 am Beijing time)

Topological Hopf Insulators Joel Moore, Ying Ran, Xiao-Gang Wen, “Topological Surface States in Three-Dimensional Magnetic Insulators”, PRL 101, 186805 (2008)

Mar 1, Ahmet Keles, Wednesday 7:00 pm pitt time ( Mar 2, 8:00 am Beijing time)

Observation of a non-Abelian Yang Monopole: From New Chern Numbers to a Topological Transition S. Sugawa, F. Salces-Carcoba, A. R. Perry, Y. Yue and I. B. Spielman arXiv:1610.06228 (2016)

Mar 8, Jian-song Pan, Wednesday 7:00 pm pitt time ( Mar 9, 8:00 am Beijing time) Vortex-core structure in a mixture of Bose and Fermi superfuids

(US Time Changes)

Mar 15 (Skipped due to March meeting)

Mar 22, Haiyuan Zou, Wednesday 8:00 pm pitt time ( Mar 23, 8:00 am Beijing time)

Confinement in a 1D quenched system Ref:M Kormos, M Collura, G Takacs, and P Calabrese Nature Physics 13, 246 (2017)

Mar 29, Max Arzamasovs, Wednesday 8:00 pm pitt time ( Mar 30, 8:00 am Beijing time)

Majorana Zero Modes Protected by Hopf Invariant in Topologically Trivial Superconductors Z. Yan, R. Bi, Z. Wang, arXiv:1701.02558v2

Apr 5, Biao Huang, Wednesday 8:00 pm pitt time ( Apr 6, 8:00 am Beijing time)

Designer curved-space geometry for Weyl metamaterials arxiv: 1703.10408, A. Westrom and T. Ojanen

Apr 12, Xuguang Yue, Wednesday 8:00 pm pitt time ( Apr 13, 8:00 am Beijing time)

Emergent eigenstate solution and emergent Gibbs ensemble for expansion dynamics in optical lattices L. Vidmar, W. Xu, and M. Rigol, et al., arXiv:1704.01125

Apr 19, Ahmet Keles, Wednesday 8:00 pm pitt time ( Apr 20, 8:00 am Beijing time)

Lattice like symmetries in time for periodically time dependent systems

Apr 25, Haiyuan Zou, Tuesday 8:00 pm pitt time ( Apr 26, 8:00 am Beijing time)

(The talk is shifted for the PQI events on Wednesday, https://www.pqi.org/pqi2017) Higgs and Goldstone modes in a supersolid quantum gas. Ref: J Leonard, A morales, P Zupancic, T Donner and T Esslinger, arXiv: 1704.05803

May 3, Max Arzamasovs, Wednesday 8:00 pm pitt time ( May 4, 8:00 am Beijing time)

Negative-Mass Hydrodynamics in a Spin-Orbit–Coupled BoseEinstein Condensate M. A. Khamehchi, K. Hossain, M. E. Mossman, Y. Zhang, Th. Busch, M. McNeil Forbes, and P. Engels, PRL 118, 155301 (2017)

May 30, Xuguang Yue, Tuesday 8:00 pm pitt time ( May 31, 8:00 am Beijing time) (This week's meeting is shifted because of time conflict with a Cornell summer school our group member(s) will attend.) Recurrences in an isolated quantum many-body system Jörg Schmiedmayer Group, arXiv:1705.08231

Jun 28, Biao Huang, Wednesday 8:00 pm pitt time ( Jun 29, 8:00 am Beijing time)

Experimental Realization of Long-Range Antiferromagnetism Markus Greiner Group, arXiv: 1612.08436, Nature 545, 462 (2017)

Jul 25, Haiyuan Zou, Tuesday 8:00 pm pitt time ( Jul 26, 8:00 am Beijing time)

(This week's meeting is shifted because of Pitt-PKU workshop in Fragrant Hill coming up in the same week) Bloch oscillations in the absence of a lattice Ref: F Meinert, M Knap, E Kirilov, K Jag-Lauber, M Zvonarev, E Demler, H Nagerl. Science 356, 945 (2017)

Aug 21, Ahmet Keles, Mondy 8:00 pm pitt time ( Aug 22, 8:00 am Beijing time)

(This week's meeting is shifted because of the travel plan of Prof. Vincent Liu) A stripe phase with supersolid properties in spin–orbit-coupled Bose–Einstein condensates Ketterle Group, Nature 543, 91–94 (2017)

Aug 30, Max Arzamasovs, Wednesday 8:00 pm pitt time ( Aug 31, 8:00 am Beijing time)

Observation of Efimov molecules created from a resonantly interacting Bose gas arXiv:1704.01206. E. Cornell group + Z. Hadzibabic

Sep 6, Jiansong Pan, Wednesday 8:00 pm pitt time ( Sep 7, 8:00 am Beijing time)

Discrete Time-Crystalline Order in Cavity and Circuit QED Systems Z. Gong et al., arXiv:1708.01472 (2017)

Sep 13, Xuguang Yue, Wednesday 8:00 pm pitt time ( Sep 14, 8:00 am Beijing time)

Thermalization near integrability in a dipolar quantum Newton’s cradle Tang et.al., arXiv:1707.07031

Sep 20, Biao Huang, Wednesday 8:00 pm pitt time ( Sep 21, 8:00 am Beijing time)

Stretching p-wave molecules by transverse confinements L. Zhou, X. Cui, arxiv:1707.03512

Sep 27, group meeting is skipped, due to the MURI Kickoff meeting in Santa Barbara.

Oct 4, Haiyuan Zou, Wednesday 8:00 pm pitt time ( Oct 5, 8:00 am Beijing time)

Four-body ring-exchange interactions and anionic statistics within a minimal topic-code Hamiltonian Ref: H Dai, B Yang, A Reingruber, H Sun, X Xu, Y Chen, Z Yuan, J Pan DOI:10.1038/nphys4243 (2017)

Oct 11, Ahmet Keles, Wednesday 8:00 pm pitt time ( Oct 12, 8:00 am Beijing time)

Controlled parity switch of persistent currents in quantum ladders Michele Filippone, Charles-Edouard Bardyn, and Thierry Giamarchi arXiv:1710.02152

Oct 18, Max Arzamasovs, Wednesday 8:00 pm pitt time ( Oct 19, 8:00 am Beijing time)

Topological superfluidity with repulsive alkaline-earth atoms in optical lattices L. Isaev, A. Kaufman, G. Ortiz, and A. M. Rey arXiv:1710.02768

Oct 25, Jiansong Pan, Wednesday 8:00 pm pitt time ( Oct 26, 8:00 am Beijing time)

Observation of "broad" d-wave Feshbach resonances with a triplet structure Y. Cui et al., arXiv: 1709.08794(2017)

Nov 1, Xuguang Yue, Wednesday 8:00 pm pitt time ( Nov 2, 8:00 am Beijing time)

Coherent many-body spin dynamics in a long-range interacting Ising chain I. Bloch Group, arXiv:1705.08372

(U.S. Time Changes)

Nov 8, Biao Huang, Wednesday 7:00 pm pitt time ( Nov 9, 8:00 am Beijing time)

Mobility Edge in 1D Quasi-Periodic Optical Lattice Xiao Li, Xiaopeng Li, S. Das Sarma PRB 96, 085119 (2017) I. Bloch’s group 1709.03478

Nov 15, Haiyuan Zou, Wednesday 7:00 pm pitt time ( Nov 16, 8:00 am Beijing time)

Symmetry protected topological phase transitions of dipolar molecules on zigzag chain

Nov 22, Ahmet Keles, Wednesday 7:00 pm pitt time ( Nov 23, 8:00 am Beijing time)

Correlated Spin-Flip Tunneling in a Fermi Lattice Gas Wenchao Xu, William Morong, Hoi-Yin Hui, Vito W. Scarola, and Brian DeMarco arXiv:1711.02061

Nov 29, Max Arzamasovs, Wednesday 7:00 pm pitt time ( Nov 30, 8:00 am Beijing time)

Majorana edge state in a number-conserving Fermi gas with tunable p-wave interaction X. Y. Yin, Tin-Lun Ho, and Xiaoling Cui arXiv:1711.08765

Dec 6, Jiansong Pan, Wednesday 7:00 pm pitt time ( Dec 7, 8:00 am Beijing time)

Collective modes of Bose-Einstein condensate in a spherical trap

Dec 13, Xuguang Yue, Wednesday 7:00 pm pitt time ( Dec 14, 8:00 am Beijing time)

Coupling two order parameters in a quantum gas arXiv:1711.07988v1

Winter Break (Dec 17- Jan 7)