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quant-ph2026
Synchronized Spin Trajectories under Collective Weak Measurements
Yiwen Han, Konghao Sun, Wei Yi +1
We consider locally driven-dissipative quantum spins that undergo a continuous weak measurement of their collective spin. We show that such a system can exhibit full spin-synchroni…
cond-mat.mes-hall2026
Higher-order Liouvillian exceptional points in the dissipative dynamics of quadratic fermions
Mingtao Xu, Wei Yi
We propose a general class of open fermionic models where quadratic Liouvillians governing the dissipative dynamics feature analytically characterized higher-order exceptional poin…