Enhanced metrology at the critical point of a many-body Rydberg atomic system
Interacting many-body systems display enhanced sensitivity close to critical transition points
due to diverging quantum fluctuations. This criticality-based enhancement has been …
due to diverging quantum fluctuations. This criticality-based enhancement has been …
Quantum metrology with boundary time crystals
Quantum sensing is one of the arenas that exemplifies the superiority of quantum
technologies over their classical counterparts. Such superiority, however, can be diminished …
technologies over their classical counterparts. Such superiority, however, can be diminished …
Optimality and noise resilience of critical quantum sensing
We compare critical quantum sensing to passive quantum strategies to perform frequency
estimation, in the case of single-mode quadratic Hamiltonians. We show that, while in the …
estimation, in the case of single-mode quadratic Hamiltonians. We show that, while in the …
Stark localization as a resource for weak-field sensing with super-Heisenberg precision
Gradient fields can effectively suppress particle tunneling in a lattice and localize the wave
function at all energy scales, a phenomenon known as Stark localization. Here, we show …
function at all energy scales, a phenomenon known as Stark localization. Here, we show …
Quantum metrology and sensing with many-body systems
The main power of quantum sensors is achieved when the probe is composed of several
particles. In this situation, quantum features such as entanglement contribute in enhancing …
particles. In this situation, quantum features such as entanglement contribute in enhancing …
Critical non-Hermitian topology induced quantum sensing
Non-Hermitian (NH) physics predicts open quantum system dynamics with unique
topological features such as exceptional points and the NH skin effect. We show that this …
topological features such as exceptional points and the NH skin effect. We show that this …
Modular many-body quantum sensors
C Mukhopadhyay, A Bayat - Physical Review Letters, 2024 - APS
Quantum many-body systems undergoing phase transitions have been proposed as probes
enabling beyond-classical enhancement of sensing precision. However, this enhancement …
enabling beyond-classical enhancement of sensing precision. However, this enhancement …
A study on thermal quantum resources and probabilistic teleportation in spin-1/2 Heisenberg XYZ+ DM+ KSEA model under variable Zeeman splitting
We investigate the behavior of various measures of quantum coherence and quantum
correlation in the spin-1/2 Heisenberg XYZ model with added Dzyaloshinsky-Moriya (DM) …
correlation in the spin-1/2 Heisenberg XYZ model with added Dzyaloshinsky-Moriya (DM) …
Multiparameter critical quantum metrology with impurity probes
Multiparameter critical quantum metrology with impurity probes - IOPscience Skip to content
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …
IOP Science home Accessibility Help Search Journals Journals list Browse more than 100 …
Free-fermionic topological quantum sensors
Second order quantum phase transitions, with well-known features such as long-range
entanglement, symmetry breaking, and gap closing, exhibit quantum enhancement for …
entanglement, symmetry breaking, and gap closing, exhibit quantum enhancement for …