Group Meetings Schedule 2013

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Jan 8, Zhifang Xu,

Classifying vortices in spin-orbit coupled spinor BECs


Jan 13 (Sunday 9am Pittsburgh time), Kush Saha, Department of Theoretical Physics, Indian Association for the Cultivation of Science, Kolkata, India.

Interacting bosons in an optical lattice in the presence of a synthetic gauge potential


Jan 14 (Monday 9:30am Pittsburgh time), Tyler Dodds, University of Toronto

Quantum spin liquids in the absence of spin rotation symmetry: An application to Herbertsmithite


Jan 15 moved to Jan 16


Jan 16 (7pm Pittsburgh time), Huazhou Wei, University of California, Riverside

"Excitonic Phases from Weyl Semi-Metals"


Jan 22, Zhenyu Zhou, Washington University in St. Louis

Heat equation approach to geometric changes of the torus Laughlin-state


Jan 29, Lijun Lang

Edge States and Topological Phases in One-Dimensional Optical Superlattices


Feb 5, no meeting (Liu in NORDITA, Stockholm, Sweden)


Feb 12, Bo Liu

Effect of the correlation energy in the normal state of a dipolar Fermi gas


Feb 19, Jin-Long Yu

Quantum phase dynamics of a spin-orbit coupled Bose-Einstein condensate


Feb 26 meeting, moved to Feb 27 Wed 7pm Pittsburgh time (Liu in a Symposium in UT Dallas), Xiaopeng Li

Coexistence of Ferromagnetic and superconducting orders in the LAO/STO interface


March 5, Zhifang Xu

Symmetry and Topology of BECs with Spin


March 12, Xiaopeng Li, Tuesday 8:30pm (pitt time)

Practice talk for APS march Meeting


March 26, Lijun Lang, Tuesday 8:00pm (pitt time) (new shedule starting from this week)

Majorana fermions and phase transitions in 1D superlattices


April 2, Bo Liu, Tuesday 8:00pm (pitt time)

BEC-BCS Crossover of spin-1/2 �sp-band Fermi gases in two dimensional optical lattice


April 9, Jin-Long Yu, Tuesday 8:00pm (pitt time)

Spin-dependent hexagonal lattices and related valley physics


April 16, Xiaopeng Li, Tuesday 8:00pm (pitt time)

Quantum geometries---Berry curvature and Riemannian metric


April 23, Kai Sun, Tuesday 12:00pm-1:00pm (pitt time)

Adiabatic continuity between Hofstadter and Chern insulator states


April 23, Lijun Lang, Tuesday 8:00pm (pitt time)

Floquet theory and Floquet topological insulators


April 30, Bo Liu, Tuesday 8:00 pm (pitt time)

p+ip superfluid state of spin-1/2 �sp-band Fermi gases in two dimensional optical lattice


May 7 Jin-Long Yu, Tuesday 8:00 pm (pitt time)

Quantum geometric tensor and Quantum phase transition


May 14 Zhifang Xu, Tuesday 8:00 pm (pitt time)

Tuning Effective Hamiltonian: Unitary transformation


May 21 Xiaopeng Li, Tuesday 8:00 pm (pitt time)

Generic Magnetic phases with weak spin-orbital couplings


June 4, Lijun Lang, Tuesday 8:00 pm (pitt time)

Try to find Floquet topological insulators


June 11, Bo Liu, Tuesday 8:00 pm (rescheduled)

p+ip superfluid state of spin-1/2 �sp-band Fermi gases in 2D spin-dependent optical lattice


June 12, Bo Liu, Wed 8:00 pm

p+ip superfluid state of spin-1/2 �sp-band Fermi gases in 2D spin-dependent optical lattice


June 19, Jin-Long Yu, Wed 8:00 pm

Entanglement properties of interacting Kitaev's chain


June 25, Zhifang Xu, Tuesday 8:00 pm

Simulating spin-orbit coupling with orbitals.


July 2, Jiyao Chen, Tuesday 8:00 pm

Topological Bosonic Mott Insulator


July 10, Xiaopeng Li, Wednesday 8:00 pm

In situ observation of strongly interacting ferromagnetic domains in a shaken optical lattice Ref: http://arxiv.org/abs/1305.5487


July 16, Lijun Lang, Tuesday 8:00 pm

Periodic driving induced phase transition in 1D superlattices


July 30, Bo Liu, Tuesday 8:00 pm

Recent experimental progress in polar molecules Ref: arXiv:1305.5598


Aug 6, Jin-Long Yu, Tuesday 8:00 pm

Matrix product states for 1-d quantum chains


Aug 13, Zhi-Fang Xu, Tuesday 8:00 pm

Spin-orbit-coupled dipolar quantum gases


Aug 20, Xiaopeng Li, Tuesday 8:00 pm

Experimental realization of Hofstadter Hamiltonian with ultracold atoms in optical lattices Refs: arXiv: 1308.0321 (2013) by I. Bloch's group; arXiv 1308:1431(2013) by Ketterle's group

Aug 27, Lijun Lang, Tuesday 8:00 pm

Moving and merging of Dirac points


Sep 3, Bo Liu, Tuesday 8:00 pm

Superconducting Vortex Lattices for Ultracold Atoms Ref: arXiv:1302.3504


Sep 10, Jin-Long Yu, Tuesday 8:00 pm

Searching for Topology in 2d Optical Lattices


Sep 17, Zhenyu Zhou, Tuesday 8:00 pm

Floquet Topological insulators


Sep 24, Zhifang Xu Tuesday 8:00pm

Dynamical symmetry breaking in a shaking optical lattice


Oct 1, Jiyao Chen, Tuesday 8:00 pm

Spin‐dependent lattice with spin‐orbit coupling


Oct 8, Li-Jun Lang, Tuesday 8:00 pm

Moving and merging of Dirac points in square lattices with \pi/2 flux


Oct 16, Bo Liu, Wed 8:00 pm (pitt time, rescheduled)

Dirac points with a Fermi gas in a tunable honeycomb lattice Ref: Nature 483, 302-305 (2012)


Oct 22, Jin-Long Yu, Tuesday 8:00 pm (pitt time)

Designing Artificial Magnetic Lattices


Oct 29, Zhenyu Zhou, Tuesday 8:00 pm (pitt time)

Periodic Driving on Hofstadter Model


U.S.A Time Change in Fall


Meet on every Tuesday 7pm Pittsburgh time (Wed. 8:00 am Beijing time) unless noted otherwise.


Nov 5 move toNov 7, Zhifang Xu,Thursday 7:00 pm (pitt time) (cancelled, will be rescheduled later)


Nov 12, Jiyao Chen, Tuesday 7:00 pm (pitt time)


Nov 19, Li-Jun Lang, Tuesday 7:00 pm (pitt time)

Extracting the Chern number from the dynamics of a Fermi gas: Implementing a quantum Hall bar for cold atoms (Ref: A. Dauphin and N. Goldman, arXiv:1305.3872)


Nov 26,Bo Liu,Tuesday 7:00 pm (pitt time)

Transport property in two-dimensional Bose gas Ref: arxiv:1306.4018


Dec 3 move to Dec 5, Jin-Long Yu,Thursday 7:00 pm (pitt time) (rescheduled)

Many faces of Wannier functions


Dec 10, Zhenyu Zhou, Tuesday 7:00 pm (pitt time)


From Dec 16 to Jan 3, no group meeting.