89 citations · 449 across the 18 of their papers we have counts for
18 papers
Manifestation of critical effects in environmental parameter estimation using a quantum sensor under dynamical control
M. Cristina Rodriguez, Analia Zwick, Gonzalo A. Alvarez
Quantum probes offer a powerful platform for exploring environmental dynamics, particularly through their sensitivity to decoherence processes. In this work, we investigate the eme…
Witnessing non-stationary and non-Markovian environments with a quantum sensor
John W. Rosenberg, Martín Kuffer, Inbar Zohar +5
Quantum sensors offer exceptional sensitivity to nanoscale magnetic fluctuations, where non-stationary effects -- such as spin diffusion -- and non-Markovian dynamics arising from…
Sensing Out-of-Equilibrium and Quantum Non-Gaussian environments via induced Time-Reversal Symmetry Breaking on the quantum-probe dynamics
Martin Kuffer, Analía Zwick, Gonzalo A. Álvarez
Advancing quantum sensing tools for investigating systems at atomic and nanoscales is crucial for the progress of quantum technologies. While numerous protocols employ quantum prob…
Maximizing information obtainable by quantum sensors through the Quantum Zeno Effect
Bruno Ronchi, Analia Zwick, Gonzalo A. Alvarez
Efficient quantum sensing technologies rely on precise control of quantum sensors, particularly two-level systems or qubits, to optimize estimation processes. We here exploit the Q…
Path integral framework for characterizing and controlling decoherence induced by non-stationary environments on a quantum probe
Martin Kuffer, Analia Zwick, Gonzalo A. Alvarez
Reliable processing of quantum information is a milestone to achieve for the deployment of quantum technologies. Uncontrolled, out-of-equilibrium sources of decoherence need to be…
Non-invasive quantitative imaging of selective microstructure-sizes with magnetic resonance
Milena Capiglioni, Analia Zwick, Pablo Jimenez +1
Extracting reliable and quantitative microstructure information of living tissue by non-invasive imaging is an outstanding challenge for understanding disease mechanisms and allowi…
Precision limits of tissue microstructure characterization by Magnetic Resonance Imaging
Analia Zwick, Dieter Suter, Gershon Kurizki +1
Characterization of microstructures in live tissues is one of the keys to diagnosing early stages of pathology and understanding disease mechanisms. However, the extraction of reli…
Enhanced precision bound of low-temperature quantum thermometry via dynamical control
Victor Mukherjee, Analia Zwick, Arnab Ghosh +2
High-precision low-temperature thermometry is a challenge for experimental quantum physics and quantum sensing. Here we consider a thermometer modelled by a dynamically-controlled…
Criticality of environmental information obtainable by dynamically controlled quantum probes
Analia Zwick, Gonzalo A. Alvarez, Gershon Kurizki
A universal approach to decoherence control combined with quantum estimation theory reveals a critical behavior, akin to a phase transition, of the information obtainable by a qubi…
Thermal Baths as Quantum Resources: More Friends than Foes?
Gershon Kurizki, Ephraim Shahmoon, Analia Zwick
In this article we argue that thermal reservoirs (baths) are potentially useful resources in processes involving atoms interacting with quantized electromagnetic fields and their a…
Maximizing information on the environment by dynamically controlled qubit probes
Analia Zwick, Gonzalo A. Alvarez, Gershon Kurizki
We explore the ability of a qubit probe to characterize unknown parameters of its environment. By resorting to quantum estimation theory, we analytically find the ultimate bound on…
Robustness of spin-chain state-transfer schemes
Joachim Stolze, Gonzalo A. Alvarez, Omar Osenda +1
This is a shortened and slightly edited version of a chapter in the collection "Quantum State Transfer and Network Engineering", edited by G.M. Nikolopoulos and I. Jex, where we re…
Optimized dynamical control of state transfer through noisy spin chains
Analia Zwick, Gonzalo A. Alvarez, Guy Bensky +1
We propose a method of optimally controlling the tradeoff of speed and fidelity of state transfer through a noisy quantum channel (spin-chain). This process is treated as qubit sta…
Dynamical control of state transfer through noisy quantum channels: optimal tradeoff of speed and fidelity
Analia Zwick, Gonzalo A. Alvarez, Guy Bensky +1
We propose a method of optimally controlling state transfer through a noisy quantum channel (spin-chain). This process is treated as qubit state-transfer through a fermionic bath.…
Quantum state transfer in disordered spin chains: How much engineering is reasonable?
Analia Zwick, Gonzalo A. Álvarez, Joachim Stolze +1
The transmission of quantum states through spin chains is an important element in the implementation of quantum information technologies. Speed and fidelity of transfer are the mai…
Spin chains for robust state transfer: Modified boundary couplings vs. completely engineered chains
Analia Zwick, Gonzalo A. Alvarez, Joachim Stolze +1
Quantum state transfer in the presence of noise is one of the main challenges in building quantum computers. We compare the quantum state transfer properties for two classes of qub…
Robustness of spin-coupling distributions for perfect quantum state transfer
Analia Zwick, Gonzalo A. Alvarez, Joachim Stolze +1
The transmission of quantum information between different parts of a quantum computer is of fundamental importance. Spin chains have been proposed as quantum channels for transferr…
Quantum state transfer in a XX chain with impurities
Analia Zwick, Omar Osenda
One spin excitation states are involved in the transmission of quantum states and entanglement through a quantum spin chain, the localization properties of these states are crucial…