Engineering Dynamically Decoupled Quantum Simulations with Trapped Ions
- Univ. of Maryland, College Park, MD (United States). Joint Quantum Institute and Joint Center for Quantum Information and Computer Science; Univ. of Maryland, College Park, MD (United States)
- Univ. of Maryland, College Park, MD (United States). Joint Quantum Institute and Joint Center for Quantum Information and Computer Science
- Duke Univ., Durham, NC (United States)
- Univ. of Maryland, College Park, MD (United States). Joint Quantum Institute and Joint Center for Quantum Information and Computer Science; Duke Univ., Durham, NC (United States); IonQ, Inc., College Park, MD (United States)
An external drive can improve the coherence of a quantum many-body system by averaging out noise sources. It can also be used to realize models that are inaccessible in the static limit, through Floquet Hamiltonian engineering. The full possibilities for combining these tools remain unexplored. We develop the requirements needed for a pulse sequence to decouple a quantum many-body system from an external field without altering the intended dynamics. Demonstrating this technique experimentally in an ion-trap platform, we show that it can provide a large improvement to coherence in real-world applications. Finally, we engineer an approximate quantum simulation of the Haldane-Shastry model, an exactly solvable paradigm for long-range interacting spins. Our results expand and unify the quantum simulation toolbox.
- Research Organization:
- Duke Univ., Durham, NC (United States); Univ. of Maryland, College Park, MD (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0019040; SC0019449; SC0020312
- OSTI ID:
- 2420916
- Journal Information:
- PRX Quantum, Journal Name: PRX Quantum Journal Issue: 1 Vol. 4; ISSN 2691-3399
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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