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196 papers · 1 filter
Probing parameters estimation with Gaussian non-commutative measurements
Alice P. G. Hall, Carlos H. S. Vieira, Jonas F. G. Santos
Gaussian quantum states and channels are pivotal across many branches of quantum science and their applications, including the processing and storage of quantum information, the in…
Quantum Frustration as a Protection Mechanism in Non-Topological Majorana Qubits
E. Novais
I analyze the decoherence of a -junction qubit encoded by two co-located Majorana modes. Although not topologically protected, the qubit leverages distinct spatial profiles to c…
Correlations in a quantum switch-based heat engine with measurements: A proof-of-principle demonstration
Vinicius F. Lisboa, Pedro R. Dieguez, Kyrylo Simonov +1
Allowing the order of quantum operations to exist in superposition is known to open new routes for thermodynamic tasks. We investigate a quantum heat engine where energy exchanges…
Realization of Trapped Ion Dynamics in the Strong-Field Regime and Non-Markovianity
Kamran Rehan, Hengchao Tu, Tadeu Tassis +5
We experimentally investigate trapped ion dynamics in the strong-driving regime, where the Rabi frequency (Omega) is comparable to the vibrational mode frequency (nu). In the conve…
Exact State Evolution and Energy Spectrum in Solvable Bosonic Models
Valery Shchesnovich
Solvable bosonic models provide a fundamental framework for describing light propagation in nonlinear media, including optical down-conversion processes that generate squeezed stat…
Towards gravimetry enhancement with squeezed states
Oziel R. de Araujo, Lucas S. Marinho, Jonas F. G. Santos +1
We investigate the sensitivity of gravitational acceleration estimation using squeezed probe states in a quantum metrology framework. In particular, we analyze how the squeezing ph…