Local disclosure of quantum memory in non-Markovian dynamics
C Bäcker, K Beyer, WT Strunz - Physical Review Letters, 2024 - APS
Non-Markovian processes may arise in physics due to memory effects of environmental
degrees of freedom. For quantum non-Markovianity, it is an ongoing debate to clarify …
degrees of freedom. For quantum non-Markovianity, it is an ongoing debate to clarify …
Characterization of arbitrary-order correlations in quantum baths by weak measurement
Correlations of fluctuations are the driving forces behind the dynamics and thermodynamics
in quantum many-body systems. For qubits embedded in a quantum bath, the correlations in …
in quantum many-body systems. For qubits embedded in a quantum bath, the correlations in …
Rate operator unraveling for open quantum system dynamics
Stochastic methods with quantum jumps are often used to solve open quantum system
dynamics. Moreover, they provide insight into fundamental topics, such as the role of …
dynamics. Moreover, they provide insight into fundamental topics, such as the role of …
An operator derivation of the Feynman–Vernon theory, with applications to the generating function of bath energy changes and to an-harmonic baths
We present a derivation of the Feynman–Vernon approach to open quantum systems in the
language of super-operators. We show that this gives a new and more direct derivation of …
language of super-operators. We show that this gives a new and more direct derivation of …
Mass-coupled relativistic spontaneous collapse models
Currently there is not a satisfactory relativistic spontaneous collapse model. Here we show
the impossibility of a simple generalization of the continuous spontaneous collapse (CSL) …
the impossibility of a simple generalization of the continuous spontaneous collapse (CSL) …
Selective Detection of Dynamics-Complete Set of Correlations via Quantum Channels
Correlations of fluctuations are essential to understanding many-body systems and key
information for advancing quantum technologies. To fully describe the dynamics of a …
information for advancing quantum technologies. To fully describe the dynamics of a …
Quantum Nonlinear Spectroscopy via Correlations of Weak Faraday‐Rotation Measurements
BCH Cheung, RB Liu - Advanced Quantum Technologies, 2023 - Wiley Online Library
The correlations of fluctuations are key to studying fundamental quantum physics and
quantum many‐body dynamics. They are also useful information for understanding and …
quantum many‐body dynamics. They are also useful information for understanding and …
Continuous quantum measurement for general Gaussian unravelings can exist
Quantum measurements and the associated state changes are properly described in the
language of instruments. We investigate the properties of a time continuous family of …
language of instruments. We investigate the properties of a time continuous family of …
Detection of arbitrary quantum correlations via synthesized quantum channels
Quantum correlations are key information about the structures and dynamics of quantum
many-body systems. There are many types of high-order quantum correlations with different …
many-body systems. There are many types of high-order quantum correlations with different …
Non-monotonic population and coherence evolution in Markovian open-system dynamics
We consider a simple microscopic model where the open-system dynamics of a qubit,
despite being Markovian, shows features which are typically associated to the presence of …
despite being Markovian, shows features which are typically associated to the presence of …