Group Meetings Schedule 2019

Jan 9, Biao Huang, Wednesday 7:00 pm pitt time ( Jan 10, 8:00 am Beijing time)

QUANTUM CRITICAL BEHAVIOR AT THE MBL TRANSITION

REF: 1812.06959 M. GREINER’S GROUP

Jan 16, Haiping Hu, Wednesday 7:00 pm pitt time ( Jan 17, 8:00 am Beijing time)

Uncover topology from quantum quench dynamics (experiments by USTC group)

PRL 121, 250403 (2018).

Jan 23, Zehan Li, Wednesday 7:00 pm pitt time ( Jan 24, 8:00 am Beijing time)

Stabilization of a Collapsing Bose-Bose Mixture

Ref. PRL 115, 155302 (2015), D. S. Petrov

Jan 30, Malcolm Jardine, Wednesday 7:00 pm pitt time ( Jan 31, 8:00 am Beijing time)

Review - Topological Superconductivity and BCS Theory

Ref. PhysRevA.96.053607, Zhi-Fang Xu, A. Hemmerich, V. Liu. Physical Review A, 96(5), (2017).

Feb 6, Sayan Choudhury (Purdue University Post-doctoral research associate), Wednesday 7:00 pm pitt time ( Feb 7, 8:00 am Beijing time)

(Post-doctoral interview)

Frustration induced Many-Body Localization without disorder

Feb 13, Hao Song (UCM), Wednesday 7:00 pm pitt time ( Feb 14, 8:00 am Beijing time)

(Post-doctoral interview)

Crystalline Symmetry Protected Topological Phases

Feb 17, Vijay Singh (University of Hamberg), Sunday 8:00 am pitt time ( Feb 17, 9:00 pm Beijing time)

(Post-doctoral interview)

Second sound and superfluidity in ultracold quantum gases

Feb 20, Suraj Hedge (UIUC), Wednesday 7:00 pm pitt time ( Feb 21, 8:00 am Beijing time)

(Post-doctoral interview)

Majorana wavefunction physics in Kitaev chains: Manifestations in disorder and non-equilibrium dynamics

Feb 27, Rajesh Malla, Wednesday 7:00 pm pitt time ( Feb 28, 8:00 am Beijing time)

(Post-doctoral interview)

Peculiar shape of the zeroth Landau level in graphene with nondiagonal disorder

Mar 6, Wednesday 7:00 pm pitt time ( Mar 7, 8:00 am Beijing time)

(Postponed because Biao will attend five university reception in APS march meeting)

US TIME CHANGE

Mar 13, Jingchen Zhang, Wednesday 8:00 pm pitt time ( Mar 14, 8:00 am Beijing time)

Review: An introduction to Kibble Zurek Mechanism

Ref: Advances in Physics, vol. 59, issue 6, pp. 1063-1189 (2010); International Journal of Modern Physics A Vol. 29, No. 8 (2014) 1430018; Science 354, 606-610 (2016)

Mar 20, Jian-song Pan, Wednesday 8:00 pm pitt time ( Mar 21, 8:00 am Beijing time)

Diffusive Nambu–Goldstone modes in quantum time-crystals Reference: Hayata, Tomoya, and Yoshimasa Hidaka. arXiv preprint arXiv:1808.07636 (2018).

Mar 27, Ahmet Keles, Wednesday 8:00 pm pitt time ( Mar 28, 8:00 am Beijing time)
Angle-resolved photoemission spectroscopy of a Fermi-Hubbard system
arXiv:1903.05678
Princeton, Bakr Group

April 3, Wednesday 8:00 pm pitt time ( April 4, 8:00 am Beijing time)

Skipped due to the dinner event with Prof. A. Fetter

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

An Experiment on Z2 Lattice Gauge Theory

Expt: Schweizer, Grusdt, Berngruber, Barbiero, Demler, Goldman, Bloch, Aidelsburger, arXiv: 1901.07103

Theory: Barbiero, Schweizer, Monika Aidelsburger, Demler, Goldman, Grusdt, arXiv: 1810.07444

April 17, Jingchen Zhang, Wednesday 8:00 pm pitt time ( April 18, 8:00 am Beijing time)

Further Study of Kibble Zurek Mechanism

Main Refs: Advances in Physics, vol. 59, issue 6, pp. 1063-1189 (2010); Phys. Rev. Lett. 95, 035701(2005); Phys. Rev. Lett. 95, 105701(2005)

April 24, Haiping Hu, Wednesday 8:00 pm pitt time ( April 25, 8:00 am Beijing time)

Recent study: Theory of Floquet higher-order topological insulators.

May 1, Zehan Li, Wednesday 8:00 pm pitt time ( May 2, 8:00 am Beijing time)

SELF-BOUND STATE IN P-WAVE INTERACTING SYSTEM

Z. Li, J. Pan, W. Liu paper in preparation

May 22, Sayan Choudhury, Wednesday 8:00 pm pitt time ( May 23, 8:00 am Beijing time)

(Due to the DAMOP meeting from May 27-31, we shift it one week ahead)

Non-stationary coherent quantum many-body dynamics through dissipation

Berislav Buča, Joseph Tindall & Dieter Jaksch , Nature Communications volume 10, Article number: 1730 (2019).

Jun 26, Jiansong Pan, Wednesday 8:00 pm pitt time ( Jun 27, 8:00 am Beijing time)

Floquet approach to Z2 lattice gauge theories with ultracold atoms in optical lattices

Reference: Christian Schweizer, Fabian Grusdt, Moritz Berngruber et al., arXiv:1901.07103v1 (2019);

July 24, Ahmet Keles, Wednesday 8:00 pm pitt time ( July 25, 8:00 am Beijing time)
Unconventional topology with a Rashba spin-orbit coupled quantum gas
arXiv:1907.08637
Maryland, Spielman Group

Aug 21, Haiping Hu, Wednesday 8:00 pm pitt time ( Aug 22, 8:00 am Beijing time)

Topological Links/Knots of Quantum Dynamics

Aug 28, Sayan Choudhury, Wednesday 8:00 pm pitt time ( Aug 29, 8:00 am Beijing time)

Engineered Nearest-Neighbour Interactions with Doubly Modulated Optical Lattices

Reference: Hongzheng Zhao, Johannes Knolle, and Florian Mintert, arXiv: 1908.05494 (2019).

Sep 4, skipped due to the MURI meeting in UCSB, Wednesday 8:00 pm pitt time ( Sep 5, 8:00 am Beijing time)

Sep 11, Bhaskar Mukherjee, Wednesday 8:00 pm pitt time ( Sep 12, 8:00 am Beijing time)

Collapse and revival of quantum many-body scars via Floquet engineering.

Reference : Bhaskar Mukherjee et al, arXiv:1907.08212.

Sep 18, Zehan Li, Wednesday 8:00 pm pitt time ( Sep 19, 8:00 am Beijing time)

Dynamics and Density Correlations of a Driven Condensate

Ref: Arxiv1909. 05183, Yang-yang Chen, PengfeiZhang, Wei Zheng, ZhigangWu, Hui Zhai

Phys. Rev. A 99, 063624 (2019), ZhigangWu, Hui Zhai

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

Experimental Measurement of the Quantum Metric Tensor and Related Phase Transition with a Superconducting Qubit

Yang Yu & Shi Liang Zhu‘s group, Phys. Rev. Lett. 122, 210401 (2019 )

Oct 2, Ahmet Keles, Wednesday 8:00 pm pitt time ( Oct 3, 8:00 am Beijing time)
Neural Network Quantum states

Oct 9, Haiping Hu, Wednesday 8:00 pm pitt time ( Oct 10, 8:00 am Beijing time)

Quench Dynamics of Hopf Insulators

Oct 16, Sayan Choudhury, Wednesday 8:00 pm pitt time ( Oct 17, 8:00 am Beijing time)

Treelike Interactions and Fast Scrambling with Cold Atoms

Andrew Daley and Monika Schleier-Smith group Phys. Rev. Lett. 123, 130601 (2019)

Oct 23, Bhaskar Mukherjee, Wednesday 8:00 pm pitt time ( Oct 24, 8:00 am Beijing time)

Local constraints can globally shatter Hilbert space: a new route to quantum information protection

Oct 30, Zehan Li, Wednesday 8:00 pm pitt time ( Oct 31, 8:00 am Beijing time)

Domain wall melting in spin-1 chains

(US TIME CHANGES)

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

Observation of collective modes in a dipolar supersolid

Reference: L. Tanzi et al. (Italy),Supersolid symmetry breaking from compressional oscillations in a dipolar quantum gas, Nature, 2019;

L. Tanzi et al. (Italy), Mingyang Guo et al. (Germany), The low-energy Goldstone mode in a trapped dipolar supersolid, Nature, 2019;

G. Natale et al. (Austria), Excitation Spectrum of a Trapped Dipolar Supersolid and Its Experimental Evidence, PRL, 2019

Nov 13, Postponed due to the workshop in WQC, http://wqc.sjtu.edu.cn/En/Content?w=141&p=135

Nov 20, Haiping Hu, Wednesday 7:00 pm pitt time (Nov 21, 8:00 am Beijing time)

Non-Hermitian Exceptional Point

References: J. Doppler et al., Nature 537, 76 (2016); X. Hu et al., Nature 537, 80 83 (2016); H.Zhou et al., Science 359, 1009 (2018)

Nov 27, Sayan Choudhury, Wednesday 7:00 pm pitt time (Nov 28, 8:00 am Beijing time)

Supersolid stripe crystal from finite-range interactions on a lattice

Ref: Phys. Rev. Lett. 123, 045301 (2019)

Dec 4, Bhaskar Mukherjee, Wednesday 7:00 pm pitt time (Dec 5, 8:00 am Beijing time)

Aperiodically Driven Integrable Systems and Their Emergent Steady States.

Ref : PHYSICAL REVIEW X 7, 031034 (2017).

Dec 11, Zehan Li, Wednesday 7:00 pm pitt time (Dec 12, 8:00 am Beijing time)

Fast scrambling along a 1D spin chain

WINTER SESSION