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Symmetry enhanced boundary qubits at infinite temperature
Jack Kemp, Norman Y. Yao, Chris R. Laumann
The symmetry protected topological (SPT) phase hosts a robust boundary qubit at zero temperature. At finite energy density, the SPT phase is dest…
Long-Range Prethermal Phases of Nonequilibrium Matter
Francisco Machado, Dominic V. Else, Gregory D. Kahanamoku-Meyer +2
We prove the existence of non-equilibrium phases of matter in the prethermal regime of periodically-driven, long-range interacting systems, with power-law exponent , where $d…
Symmetric Bloch oscillations of matter waves
Zachary Pagel, Weicheng Zhong, Richard H. Parker +3
Cold atoms in an optical lattice provide an ideal platform for studying Bloch oscillations. Here, we extend Bloch oscillations to two superposed optical lattices that are accelerat…
Spatial Coherence of a Strongly Interacting Bose Gas in the Trimerized Kagome Lattice
Thomas H. Barter, Tsz-Him Leung, Masayuki Okano +3
We produce a trimerized kagome lattice for ultracold atoms using an optical superlattice formed by overlaying triangular lattices generated with two colors of light at a 2:1 wavele…
Discrete Time Crystals
Dominic V. Else, Christopher Monroe, Chetan Nayak +1
Experimental advances have allowed for the exploration of nearly isolated quantum many-body systems whose coupling to an external bath is very weak. A particularly interesting clas…
Probing and dressing magnetic impurities in a superconductor
Kamphol Akkaravarawong, Jukka I. Väyrynen, Jay D. Sau +3
We propose a method to probe and control the interactions between an ensemble of magnetic impurities in a superconductor via microwave radiation. Our method relies upon the presenc…
Dicke time crystals in driven-dissipative quantum many-body systems
Bihui Zhu, Jamir Marino, Norman Y. Yao +2
The Dicke model -- a paradigmatic example of superradiance in quantum optics -- describes an ensemble of atoms which are collectively coupled to a leaky cavity mode. As a result of…
Topological polarons, quasiparticle invariants and their detection in 1D symmetry-protected phases
Fabian Grusdt, Norman Y. Yao, Eugene Demler
In the presence of symmetries, one-dimensional quantum systems can exhibit topological order, which in many cases can be characterized by a quantized value of the many-body geometr…
Floquet Hopf Insulators
Thomas Schuster, Snir Gazit, Joel E. Moore +1
We predict the existence of a novel Floquet topological insulator in three-dimensional two-band systems, the Floquet Hopf insulator, which possesses two distinct topological invari…
Scrambling and Complexity in Phase Space
Quntao Zhuang, Thomas Schuster, Beni Yoshida +1
The study of information scrambling in many-body systems has sharpened our understanding of quantum chaos, complexity and gravity. Here, we extend the framework for exploring infor…
Emergent hydrodynamics in non-equilibrium quantum systems
Bingtian Ye, Francisco Machado, Christopher David White +2
A tremendous amount of recent attention has focused on characterizing the dynamical properties of periodically driven many-body systems. Here, we use a novel numerical tool termed…
Realizing Hopf Insulators in Dipolar Spin Systems
Thomas Schuster, Felix Flicker, Ming Li +4
The Hopf insulator is a weak topological insulator characterized by an insulating bulk with conducting edge states protected by an integer-valued linking number invariant. The stat…