2.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of MilanIT3.7k papers
- Centre National de la Recherche ScientifiqueFR2.6k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT2.3k papers
- University of EdinburghGB2.2k papers
- National Institute for Subatomic PhysicsNL2.2k papers
- University of ManchesterGB2.2k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.1k papers
- Rutherford Appleton LaboratoryGB2.1k papers
- University of LiverpoolGB2.1k papers
- Heidelberg UniversityDE2.1k papers
22 papers · 2 filters
Entropic measurement uncertainty relations for all the infinite components of a spin vector
Alberto Barchielli, Matteo Gregoratti
The information-theoretic formulation of quantum measurement uncertainty relations (MURs), based on the notion of relative entropy between measurement probabilities, is extended to…
Continuous quantum measurement for general Gaussian unravelings can exist
Nina Megier, Walter T. Strunz, Kimmo Luoma
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 instrument…
Complexity of quantum motion and quantum-classical correspondence: A phase-space approach
Jiaozi Wang, Giuliano Benenti, Giulio Casati +1
We discuss the connection between the out-of-time-ordered correlator and the number of harmonics of the phase-space Wigner distribution function. In particular, we show that both q…
Quantum random access codes and incompatibility of measurements
Claudio Carmeli, Teiko Heinosaari, Alessandro Toigo
We prove that quantum random access code (QRAC) performs better than its classical counterpart only when incompatible quantum measurements are used in the decoding task. As a conse…
Universal anti-Kibble-Zurek scaling in fully-connected systems
Ricardo Puebla, Andrea Smirne, Susana F. Huelga +1
We investigate the quench dynamics of an open quantum system involving a quantum phase transition. In the isolated case, the quench dynamics involving the phase transition exhibits…
Experimental Control of the Degree of Non-Classicality via Quantum Coherence
Andrea Smirne, Thomas Nitsche, Dario Egloff +6
The origin of non-classicality in physical systems and its connection to distinctly quantum features such as entanglement and coherence is a central question in quantum physics. Th…
Experimental investigation of the effect of classical noise on quantum non-Markovian dynamics
Simone Cialdi, Claudia Benedetti, Dario Tamascelli +3
We provide an experimental study of the relationship between the action of different classical noises on the dephasing dynamics of a two-level system and the non-Markovianity of th…
Perils of Embedding for Sampling Problems
Jeffrey Marshall, Andrea Di Gioacchino, Eleanor G. Rieffel
Advances in techniques for thermal sampling in classical and quantum systems would deepen understanding of the underlying physics. Unfortunately, one often has to rely solely on in…
Non-Markovian processes in quantum theory
Bassano Vacchini
The study of quantum dynamics featuring memory effects has always been a topic of interest within the theory of open quantum system, which is concerned about providing useful conce…
Frontiers of open quantum system dynamics
Bassano Vacchini
We briefly examine recent developments in the field of open quantum system theory, devoted to the introduction of a satisfactory notion of memory for a quantum dynamics. In particu…
When is a non-Markovian quantum process classical?
Simon Milz, Dario Egloff, Philip Taranto +4
More than a century after the inception of quantum theory, the question of which traits and phenomena are fundamentally quantum remains under debate. Here we give an answer to this…
Quantum renewal processes
Bassano Vacchini
We introduce a general construction of master equations with memory kernel whose solutions are given by completely positive trace preserving maps. These dynamics going beyond the L…
Witnessing incompatibility of quantum channels
Claudio Carmeli, Teiko Heinosaari, Takayuki Miyadera +1
We introduce the notion of incompatibility witness for quantum channels, defined as an affine functional that is non-negative on all pairs of compatible channels and strictly negat…
On the discontinuity of the quantum Fisher information for quantum statistical models with parameter dependent rank
Luigi Seveso, Francesco Albarelli, Marco G. Genoni +1
We address the discontinuities of the quantum Fisher information (QFI) that may arise when the parameter of interest takes values that change the rank of the quantum statistical mo…
Squeezing phase diffusion
Simone Cialdi, Edoardo Suerra, Stefano Olivares +2
We address the use of optical parametric oscillator (OPO) to counteract phase-noise in quantum optical communication channels, and demonstrate reduction of phase diffusion for cohe…
Noise-disturbance relation and the Galois connection of quantum measurements
Claudio Carmeli, Teiko Heinosaari, Takayuki Miyadera +1
The relation between noise and disturbance is investigated within the general framework of Galois connections. Within this framework, we introduce the notion of leak of information…
Constructing extremal compatible quantum observables by means of two mutually unbiased bases
Claudio Carmeli, Gianni Cassinelli, Alessandro Toigo
We describe a particular class of pairs of quantum observables which are extremal in the convex set of all pairs of compatible quantum observables. The pairs in this class are cons…
Lattice quantum magnetometry
Luca Razzoli, Luca Ghirardi, Ilaria Siloi +2
We put forward the idea of lattice quantum magnetometry, i.e. quantum sensing of magnetic fields by a charged (spinless) particle placed on a finite two-dimensional lattice. In par…
VIP2 in LNGS - Testing the Pauli Exclusion Principle for electrons with high sensitivity
J. Marton, A. Pichler, A. Amirkhani +25
The VIP2 (VIolation of the Pauli Exclusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) is searching for possible violations of standard quantum mechanics…
Microscopic modelling of general time-dependent quantum Markov processes
Giulio Amato, Heinz-Peter Breuer, Bassano Vacchini
Master equations are typically adopted to describe the dynamics of open quantum systems. Such equations are either in integro-differential or in time-local form, with the latter cl…
Precursors of non-Markovianity
Steve Campbell, Maria Popovic, Dario Tamascelli +1
Using the paradigm of information backflow to characterize a non-Markovian evolution, we introduce so-called precursors of non-Markovianity, i.e. necessary properties that the syst…
Collisional unfolding of quantum Darwinism
Steve Campbell, Barış Çakmak, Özgür E. Müstecaplıoğlu +2
We examine the emergence of objectivity via quantum Darwinism through the use of a collision model, i.e. where the dynamics is modeled through sequences of unitary interactions bet…