Projects per year
We show that atoms in tilted optical superlattices provide a platform for exploring coupled spin chains of forms that are not present in other systems. In particular, using a period-2 superlattice in one dimension, we show that coupled Ising spin chains with XZ and ZZ spin coupling terms can be engineered. We use optimized tensor network techniques to explore the criticality and nonequilibrium dynamics in these models, finding a tricritical Ising point in regimes that are accessible in current experiments. These setups are ideal for studying low-entropy physics, as initial entropy is "frozen-out" in realizing the spin models, and provide an example of the complex critical behavior that can arise from interaction-projected models.
|Number of pages||6|
|Journal||Physical Review Letters|
|Publication status||Published - 27 Aug 2019|
- optical superlattice
- coupled spin chains
- tensor network techniques
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Engineering many-body quantum states and dissipative dynamics in quantum simulators
Air Force Office of Scientific Research AFOSR (the)
15/12/17 → 14/06/23
QuProCS - Quantum Information Probes for Complex Systems - H2020-FET PROACTIVE
Kuhr, S., Daley, A. & Haller, E.
European Commission - Horizon 2020
1/04/15 → 31/03/18
Data for: "Spin-models, dynamics and criticality with atoms in tilted optical superlattices" paper
Buyskikh, A. (Creator), Daley, A. (Contributor), Tagliacozzo, L. (Contributor), Schuricht, D. (Contributor), Hooley, C. (Contributor) & Pekker, D. (Contributor), University of Strathclyde, 16 Aug 2019