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Universal Control in Bosonic Systems with Weak Kerr Nonlinearities
Ming Yuan, Alireza Seif, Andrew Lingenfelter +3
Resonators with weak single-photon self-Kerr nonlinearities can theoretically be used to prepare Fock states in the presence of a loss much larger than their nonlinearities. Two ne…
Understanding central spin decoherence due to interacting dissipative spin baths
Mykyta Onizhuk, Yu-Xin Wang, Jonah Nagura +2
We propose a new approach to simulate the decoherence of a central spin coupled to an interacting dissipative spin bath with cluster-correlation expansion techniques. We benchmark…
Measurement and feedforward induced entanglement negativity transition
Alireza Seif, Yu-Xin Wang, Ramis Movassagh +1
We study the interplay between measurement-induced dynamics and conditional unitary evolution in quantum systems. We numerically and analytically investigate commuting random measu…
Uncovering measurement-induced entanglement via directional adaptive dynamics and incomplete information
Yu-Xin Wang, Alireza Seif, Aashish A. Clerk
The rich entanglement dynamics and transitions exhibited by monitored quantum systems typically only exist in the conditional state, making observation extremely difficult. In this…
Entanglement phase transition due to reciprocity breaking without measurement or post-selection
Gideon Lee, Tony Jin, Yu-Xin Wang +2
Despite its fully unitary dynamics, the bosonic Kitaev chain (BKC) displays key hallmarks of non-Hermitian physics including non-reciprocal transport and the non-Hermitian skin eff…
Guiding Diamond Spin Qubit Growth with Computational Methods
Jonathan C. Marcks, Mykyta Onizhuk, Nazar Delegan +7
The nitrogen vacancy (NV) center in diamond, a well-studied, optically active spin defect, is the prototypical system in many state of the art quantum sensing and communication app…