2018

= Spring 2018 =

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


 * Jan 10, Biao Huang ** **, Wednesday 7 :00 pm pitt time ( Jan 11, 8:00 am Beijing time) **

Experimental Realization of a Relativistic Harmonic Oscillator Ref: K. M. Fujiwara et. al., arxiv: 1712.09501 (David Weld’s group at UCSB)

** Jan 17, ****Haiyuan Zou****, Wednesday 7 :00 pm pitt time ( Jan 18, 8:00 am Beijing time) ** Quantum quench in integrable systems Ref: V Alba and P Calabrese, PNAS 114 7947 (2017)

High-temperature pairing in a strongly interacting two-dimensional Fermi gas Puneet A. Murthy, Mathias Neidig, Ralf Klemt, Luca Bayha, Igor Boettcher, Tilman Enss, Marvin Holten, Gerhard Zrn, Philipp M. Preiss, Selim Jochim Science ean 5950 (2017) arXiv:1705.10577
 * Jan 24, **** Ahmet Keles ****, **** Wednesday **** 7 :00 pm pitt time ( Jan 25, 8:00 am Beijing time)  **

Observation of a Degenerate Fermi Gas Trapped by a Bose-Einstein Condensate B. J. DeSalvo, K. Patel, J. Johansen, and C. Chin, PRL 119, 233401 (2017)
 * Jan 31, **** Max Arzamasovs ****, **** Wednesday **** 7 :00 pm pitt time ( Feb 1, 8:00 am Beijing time)  **

Theory of the t-t’-J model in low dimensions: low energy properties New J. Phys. 20 013027 (2018) arXiv:1712.05396 (2017)
 * Feb 7, Peizhi Mai(University of California, Santa Cruz, Senior PhD) ****, **** Wednesday **** 7 :00 pm pitt time ( Feb 8, 8:00 am Beijing time) **

Interaction effects on Dirac and Yang monopoles in a BEC
 * Feb 14, Yangqian Yan (Purdue University, Post-Doc) ****, **** Wednesday **** 7 :00 pm pitt time ( Feb 15, 8:00 am Beijing time) **

(group announcement for MURI meeting on Mar 2)
 * Feb 21 ****, **** Wednesday **** 7 :00 pm pitt time ( Feb 22, 8:00 am Beijing time) **

Enhancement and sign change of magnetic correlations in a driven quantum many-body system ETH Zurich, T. Esslinger’s Group, Nature 553, 481 (2018)
 * Feb 28, Xuguang Yue, **** Wednesday **** 7 :00 pm pitt time ( Feb 29, 8:00 am Beijing time) **

(skipped due to the March meeting)
 * (US time changes) **
 * Mar 07, **** Wednesday **** 8 :00 pm pitt time ( Mar 08, 8:00 am Beijing time) **

Rotation symmetry enforced coupling of spin and angular-momentum for p-orbital bosons
 * Mar 14, Xiaopeng Li (Fudan University, former group member), **** Wednesday **** 8 :00 pm pitt time ( Mar 15, 8:00 am Beijing time) **

Characterizing topology by dynamics Mattias et. al. (Sengstock’s group) arxiv: 1709.01046
 * Mar 21, Biao Huang, **** Wednesday **** 8 :00 pm pitt time ( Mar 22, 8:00 am Beijing time) **

Observation of interaction-induced gauge fields in a Bose-Einstein condensate based on micromotion control in a shaken two-dimensional lattice Reference: Cheng Chin's group, arXiv:1801.10077(2018)
 * Mar 28, Jiansong Pan, **** Wednesday **** 8 :00 pm pitt time ( Mar 29, 8:00 am Beijing time) **

Direct observation of incommensurate magnetism in Hubbard chains Bloch Group, arXiv:1803.08892
 * Apirl 4, **** Ahmet Keles ****, **** Wednesday **** 8 :00 pm pitt time ( April 5, 8:00 am Beijing time) **

New electronic states in magic-angle graphene superlattices Nature 555, 151-152, Nature 556, 37-38, Nature 556, 43-50, Nature 556, 80-84 Y. Cao et. al.
 * Apirl 11, **** Max Arzamasovs ****, **** Wednesday **** 8 :00 pm pitt time ( April 12, 8:00 am Beijing time) **

Quantum Frustration from dimensional crossover
 * Apirl 18, Haiyuan Zou ****, **** Wednesday **** 8 :00 pm pitt time ( April 19, 8:00 am Beijing time) **

Triply-Degenerate Topological Semimetals
 * Apirl 25, Haiping Hu (Post-Doc interviewee) ****, **** Wednesday **** 8 :00 pm pitt time ( April 26, 8:00 am Beijing time) **

Non-Hermitian Topological Insulators Ref: H. Shen, B. Zhen, and L. Fu, PRL 120, 146402 (2018)
 * May 9, Biao Huang ****, **** Wednesday **** 8 :00 pm pitt time ( May 10, 8:00 am Beijing time) **

(postponed by one week because of DAMOP meeting from May 28 to Jun 1)
 * Jun 6, Jiansong Pan ****, **** Wednesday **** 8 :00 pm pitt time ( May 31, 8:00 am Beijing time) **
 * Jun 27, Ahmet Keles ****, **** Wednesday **** 8 :00 pm pitt time ( Jun 28, 8:00 am Beijing time) **


 * Jul 25, Max Arzamasovs ****, **** Wednesday **** 8 :00 pm pitt time ( Jul 26, 8:00 am Beijing time) **