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Ordering controlled by the measurement-feedback interval in quantum Boltzmann samplers
Peng Wang, Yu-Xuan Zhang, Hai-Tao Ding +1
We show that the measurement--feedback interval alone can induce ordering in a quantum Boltzmann sampler with fixed programmed couplings and a fixed local dissipative rule. At zero…
Classical Bound on the Fisher Information Rate of a Dephasing-Enhanced Quantum Neuron
Peng Wang, Yu-Xuan Zhang, Hai-Tao Ding +1
Dephasing can sharpen the activation of a dissipative quantum neuron, but a stationary response does not determine how much input information its output delivers per unit time. For…
Dephasing-Enhanced Response and Phase Transitions in Quantum Boltzmann Samplers
Yu-Xuan Zhang, Jing-Ling Chen, Leong-Chuan Kwek +1
Dephasing can drive a quantum Boltzmann sampler into an ordered phase while its programmed probability distribution remains disordered. We trace this transition to an enhanced cond…
EPR-steering boundaries from a universal spectral equation
Yu-Xuan Zhang, Leong-Chuan Kwek, Jing-Ling Chen
We determine EPR-steering boundaries from a universal spectral equation for the common hidden-state ensemble underlying remote conditional preparations. In arbitrary finite-dimensi…
The Geometric Phase as a Diagnostic for Driven-Dissipative Oscillators
Zeen Sun, Yuan Shen, Haitao Ding +2
Driven-dissipative quantum oscillators lock their phase, deform their limit cycles, and undergo dissipative phase transitions, yet these behaviors are read from unrelated quantitie…
Quantum-enhanced sensing in a driven-dissipative system via chiral waveguide
Yan Xi Foo, Saubhik Sarkar, Leong Chuan Kwek +2
Quantum sensors can achieve precision unattainable by classical sensors. However, dissipation coming from interaction with the environment can greatly degrade the performance of qu…