Simon J. Evered
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View article: Architectural mechanisms of a universal fault-tolerant quantum computer
Architectural mechanisms of a universal fault-tolerant quantum computer Open
Quantum error correction (QEC) is believed to be essential for the realization of large-scale quantum computers. However, due to the complexity of operating on the encoded `logical' qubits, understanding the physical principles for buildin…
View article: Quantum coarsening and collective dynamics on a programmable simulator
Quantum coarsening and collective dynamics on a programmable simulator Open
Understanding the collective quantum dynamics of non-equilibrium many-body systems is an outstanding challenge in quantum science. In particular, dynamics driven by quantum fluctuations are important for the formation of exotic quantum pha…
View article: Probing the Kitaev honeycomb model on a neutral-atom quantum computer
Probing the Kitaev honeycomb model on a neutral-atom quantum computer Open
Quantum simulations of many-body systems are among the most promising applications of quantum computers. In particular, models based on strongly-correlated fermions are central to our understanding of quantum chemistry and materials proble…
View article: Experimental Demonstration of Logical Magic State Distillation
Experimental Demonstration of Logical Magic State Distillation Open
Realizing universal fault-tolerant quantum computation is a key goal in quantum information science. By encoding quantum information into logical qubits utilizing quantum error correcting codes, physical errors can be detected and correcte…
View article: Quantum coarsening and collective dynamics on a programmable simulator
Quantum coarsening and collective dynamics on a programmable simulator Open
Understanding the collective quantum dynamics of nonequilibrium many-body systems is an outstanding challenge in quantum science. In particular, dynamics driven by quantum fluctuations are important for the formation of exotic quantum phas…
View article: Logical quantum processor based on reconfigurable atom arrays
Logical quantum processor based on reconfigurable atom arrays Open
Suppressing errors is the central challenge for useful quantum computing, requiring quantum error correction for large-scale processing. However, the overhead in the realization of error-corrected ``logical'' qubits, where information is e…
View article: High-fidelity parallel entangling gates on a neutral atom quantum computer
High-fidelity parallel entangling gates on a neutral atom quantum computer Open
The ability to perform entangling quantum operations with low error rates in a scalable fashion is a central element of useful quantum information processing. Neutral atom arrays have recently emerged as a promising quantum computing platf…
View article: Protecting Spin Coherence in a Tunable Heisenberg Model
Protecting Spin Coherence in a Tunable Heisenberg Model Open
Using an ensemble of atoms in an optical cavity, we engineer a family of nonlocal Heisenberg Hamiltonians with continuously tunable anisotropy of the spin-spin couplings. We thus gain access to a rich phase diagram, including a paramagneti…