2016

= Spring 2016 =

= // Meet on every // Wednesday 7pm Pittsburgh time ( Thur. 8:00 am Beijing time ) // unless noted otherwise. // =

Quantum magnetism of spin-orbit coupled Fermi gas
 * Jan 6, Shangshun Zhang ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Dynamical Phenomena with Ultracold Atom
 * Jan 13, Xiaopeng Li ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Optimal control of complex atomic quantum systems
 * Jan 20, Xuguang Yue ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Effective field theory and counting rule for Goldstone bosons
 * Jan 27, Yuchi He ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Long-range interacting spin model with Rydberg atoms Ref: Science 347, 1455 (2015) by I. Bloch et al.
 * Feb 3, Bo Liu ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Gauge-dependent condensation in a strong synthetic magnetic field Ref: C. Kennedy, W. Burton, W. Chung, and W. Ketterle, Nature Physics 11,859 (2015)
 * Feb 10, Haiyuan Zou ****, **** Wednesday 7 **** :00 pm **** (pitt time) **

Topological Responses in Cold Atom: From Hall Conductivity to Hall Viscosity
 * Feb 17, Biao Huang ( ****The Ohio State Universit**y** ), ** ** Wednesday **** 7 **** :00 pm **** (pitt time) ** PD candidate talk

Evidence for universal relations describing a gas with p-wave interactions
 * Feb 24, **** Max Arzamasovs ****, ** ** Wednesday 7:00 pm (pitt time) **


 * Mar 2, ** No group meeting, ** Wednesday 7 **** :00 pm **** (pitt time) **( see the group event )

**Mar 9,** ** Ahmet Keles ****, ** ** Wednesday 7 **** :00 pm ** ** (pitt time) ** Chiral d-Wave Superfluid in Periodically Driven Lattices Ref: PRL 115, 225301 (2015) U.S. time change

**Mar 23,** ** Xuguang Yue ****, ** ** Wednesday ** 8:00 pm pitt time (8:00 am Beijing time) Measuring the dynamic structure factor of a quantum gas undergoing a structural phase transition **Mar 30,** ** Haiyuan Zou ****, ** ** Wednesday ** ** 8:00 pm ** ** (pitt time) ** FF Superfluids without Spin Imbalance in Driven Optical Lattices Ref: Z.Zheng, C.Qu, X.Zou, and C.Zhang PRL 116, 120403 (2016) **Apr 6,** ** Max Arzamasovs ****, ** ** Wednesday 8:00 pm (pitt time) ** Odd-frequency superconductivity in multiband system   Komendova, Balatsky, Black-Schaffer, PRB 92, 094517 (2015) Dominic V. Else, Bela Bauer, Chetan Nayak [|arXiv:1603.08001] **Apr 20,** ** Biao Huang ****, ** ** Wednesday **** 8:00 pm ** ** (pitt time) ** Fractional Chern Insulator in Bands with Zero Berry Curvature S. H. Simon, F. Harper, and N. Read, PRB **92****,** 195104 (2015) arxiv: 1506.08197 ** Apr 27, ** ** Bo Liu ****, ** ** Wednesday **** 8:00 pm ** ** (pitt time) ** Many-body physics in bilayer dipolar fermions = Summer 2016 =
 * Mar 16****,** No group meeting, ( since shangshun leave, no volunteer to speak).
 * Apr 13,** ** Ahmet Keles ****, ** ** Wednesday 8:00 pm (pitt time) ** Floquet Time Crystals

// Meet on every // 4 week Wednesday 8pm Pittsburgh time ( Thur. 8:00 am Beijing time ) // unless noted otherwise. //

**May 4,** **Xuguang Yue****,** **Wednesday 8:00 pm pitt time (8:00 am Beijing time) ** spin-momentum coupled Bose-Einstein condensateswith lattice band pseudospins Jun 2, **Haiyuan Zou****,** Thursday  **8:00 pm** **(pitt time)**  Two Experiments on Topological Thouless Pump: Bosonic and Fermionic Refs: M.Lohse, Nat. Phys. 12, 350 (2016) and S. Nakajima, Nat. Phys. 12, 296 (2016)  **Jun 29,** **Max Arzamasovs****,** ** Wednesday 8:00 pm (pitt time) **   Chiral Magnetic Effect by Synthetic Gauge Fields  Ref: arXiv:1606:03589
 * July 6, Dr. Xiaopeng Li **** (Joint Quantum Inst, U of ****Maryland) ****, **** Wednesday ** **10:30am-12:00noon pitt time **

**July 27,** ** Bo Liu ****, ** ** Wednesday ** ** 8:00 pm ** ** (pitt time) ** practical talk for KITPC conference **Aug 24,** ** Ahmet Keles ****, ** ** Wednesday 8:00 pm (pitt time) ** Fermions in 2D shaken square optical lattice = Fall 2016 =
 * July 6, ****Prof. Xiong-Jun Liu (Peking University, Beijing, ****China), Wednesday ****2:00pm-3:30pm pitt time **

//**Meet on every**// Wednesday 8pm Pittsburgh time ( Thur. 8:00 am Beijing time ) **// unless noted otherwise //** <span style="background-color: #ffffff; color: #222222; font-family: arial,sans-serif; font-size: 14px;">Quantum Phase Transition of the Bose-Hubbard Model inside a Cavity Yu Chen, Zhenhua Yu, Hui Zhai. PRA 93, 041601(R), Arxiv 1602.02478
 * Aug 31, ** ** Xuguang Yue ****, ** ** Wednesday 8:00 pm pitt time ( Sep 1, 8:00 am Beijing time) **

The order of speakers is as follows, any time rearrangement will be informed Non-Abelian Chern Insulators Enforced by Nonsymmorphic Symmetry in Optical Lattices Li-jun Lang, Shao-liang Zhang, Qi Zhou, Arxiv 1607.07812 Discrete time crystals Ref: N.Yao, A.Potter, I.Potirniche, A.Vishwanath ArXiv: 1608.02589
 * Sep 7, ** ** Biao Huang ****, ** ** Wednesday 8:00 pm pitt time ( Sep 8, 8:00 am Beijing time) **
 * Sep 14,** **Haiyuan Zou****,** **Wednesday 8:00 pm pitt time ( Sep 15, 8:00 am Beijing time) **

Synthetic dimensions from shaking a harmonic trap H. M. Price, T. Ozawa and N. Goldman, arXiv:1605.09310 Parsons, M. F., Mazurenko, A., Chiu, C. S., Ji, G., Greif, D., and Greiner, M. Science, 353, 6305 (2016)
 * Sep 21, Max Arzamasovs****,** **Wednesday 8:00 pm pitt time ( Sep 22, 8:00 am Beijing time) **
 * Sep 28,** **Ahmet Keles****,** **Wednesday 8:00 pm pitt time ( Sep 29, 8:00 am Beijing time) ** Site-resolved measurement of the spin-correlation function in the Fermi-Hubbard model

Supersolid formation in a quantum gas breaking continuous translational symmetry ETH Zürich Esslinger’s Group, arXiv:1609.09053 Observation of Discrete Time Crystal J. Zhang et. al. (Monroe’s group at JQI), arxiv: 1609.08684 Type II Weyl Points in 3D optical Lattice. Ref:K Shastri, Z Yang, and B Zhang arxiv: 1609.05470; Y Xu and L.M Duan arxiv: 1607.04924 Kraus-form operator solution to nonlinear master equation by virtue of the nonlinear thermo-entangled state representation. Periodically Driving a Many-Body Localized Quantum System P. Bordia, H. Lüschen, U. Schneider, M. Knap, and I. Bloch, arXiv:1607.07868 Homogeneous Atomic Fermi Gases Hadzibabic and Zwierlein Groups, arXiv:1610.10100 (2016)
 * Oct 5,** **Xuguang Yue****,** **Wednesday 8:00 pm pitt time ( Oct 6, 8:00 am Beijing time) **
 * Oct 12, Biao Huang ****, ** ** Wednesday 8:00 pm pitt time ( Oct 13, 8:00 am Beijing time) **
 * Oct 19, ** ** Haiyuan Zou ****, ** ** Wednesday 8:00 pm pitt time ( Oct 20, 8:00 am Beijing time) **
 * Oct 26, Qianfan Chen** (Case Western Reserve University) **, Wednesday 8:00 pm pitt time ( Oct 27, 8:00 am Beijing time) **
 * Nov 2, Max Arzamasovs, Wednesday 8:00 pm pitt time ( Nov 3, 8:00 am Beijing time) **
 * U.S. time change **
 * Nov 9, Ahmet Keles, Wednesday 7 :00 pm pitt time ( Nov 10, 8:00 am Beijing time) **

** Nov 16, Xuguang Yue, Wednesday 7 :00 pm pitt time ( Nov 17, 8:00 am Beijing time) ** Observation of Quantum Criticality and Luttinger Liquid in 1D Bose Gases B. Yang, et al., arXiv:1611.00426

** Nov 30, Biao Huang, Wednesday 7 :00 pm pitt time ( Dec 1, 8:00 am Beijing time) ** Out-of-Time-Order Correlations: Concepts and Measurements D.A.RobertsandD.Stanford,“Two-dimensionalconformalﬁeldtheoryandthebuNerﬂyeﬀect”,arxiv: 1412.5123(2014), etc. Many-body interferometry of a Rydberg-dressed spin lattice Ref: J. Zeiher, R. Bijnen, P. Schaub, S. Hild, J. Choi, T. Pohl, I. Block and C Gross, Nature Physics 12, 1095(2016)
 * (Thanksgiving days Break) **
 * Dec 7 ****, Haiyuan Zou, Wednesday 7 :00 pm pitt time ( Dec 8, 8:00 am Beijing time) **

** Dec 14, Max Arzamasovs, Wednesday 7 :00 pm pitt time ( Dec 15, 8:00 am Beijing time) ** Trapping Centers at the Superfluid–Mott-Insulator Criticality: Transition between Charge-quantized States Y. Huang, K. Chen, Y. Deng and B. Svistunov arXiv:1608.02232 ** (Winter Break Dec. 18- Jan. 3) ** <span style="display: block; height: 1px; left: 0px; overflow: hidden; position: absolute; top: 909px; width: 1px;"> Fractional Chern Insulator in Bands with Zero Berry Curvature [