475 citations · 1.2k across the 31 of their papers we have counts for
31 papers
Experimental Kuramoto Platform
Leandro Freitas, Victor H. S. Bittencourt, Débora D. Superbi +3
Phase reduction provides a principled relationship between high-dimensional oscillator dynamics and low-dimensional phase models such as the Kuramoto model. However, connecting ana…
Chiral oscillations in quantum field theory
Victor Bittencourt, Massimo Blasone, Gennaro Zanfardino
Dirac particles have two intrinsic degrees-of-freedom, helicity and chirality. While helicity is conserved in time, chirality is not constant under time evolution for massive parti…
Chiral and flavor oscillations in a hyperentangled neutrino state
Victor Bittencourt, Massimo Blasone, Gennaro Zanfardino
In addition to flavor oscillations, Dirac neutrinos also undergo the so-called chiral oscillations, a consequence of the free-particle dynamics under the Dirac equation. Such a tra…
Quantifying quantumness in three-flavor neutrino oscillations
Victor Bittencourt, Massimo Blasone, Silvio De Siena +1
We characterize quantum correlations encoded in a three-flavor oscillating neutrino system by using both plane-wave and wave-packet approach. By means of the Complete Complementari…
Complete complementarity relations for quantum correlations in neutrino oscillations
V. A. S. V. Bittencourt, M. Blasone, S. De Siena +1
We analyze quantum correlations and quantum coherence in neutrino oscillations. To this end, we exploit complete complementarity relations (CCR) that fully characterize the interpl…
Optimal broad-band frequency conversion via a magnomechanical transducer
F. Engelhardt, V. A. S. V. Bittencourt, H. Huebl +2
Developing schemes for efficient and broad-band frequency conversion of quantum signals is an ongoing challenge in the field of modern quantum information. Especially the coherent…
Protocol for generating an arbitrary quantum state of the magnetization in cavity magnonics
Sanchar Sharma, Victor A. S. V. Bittencourt, Silvia Viola Kusminskiy
We propose and numerically evaluate a protocol to generate an arbitrary quantum state of the magnetization in a magnet. The protocol involves repeatedly exciting a frequency-tunabl…
Optomagnonics in dispersive media: magnon-photon coupling enhancement at the epsilon-near-zero frequency
V. A. S. V. Bittencourt, I. Liberal, S. Viola Kusminskiy
Reaching strong light-matter coupling in solid-state systems has been long pursued for the implementation of scalable quantum devices. Here, we put forward the concept of a platfor…
Light propagation and magnon-photon coupling in optically dispersive magnetic media
V. A. S. V. Bittencourt, I. Liberal, S. Viola Kusminskiy
Achieving strong coupling between light and matter excitations in hybrid systems is a benchmark for the implementation of quantum technologies. We recently proposed [arXiv:2110.029…
Roadmap on Spin-Wave Computing
A. V. Chumak, P. Kabos, M. Wu +113
Magnonics is a field of science that addresses the physical properties of spin waves and utilizes them for data processing. Scalability down to atomic dimensions, operations in the…
Optical signatures of the coupled spin-mechanics of a levitated magnetic microparticle
Vanessa Wachter, Victor A. S. V. Bittencourt, Shangran Xie +5
We propose a platform that combines the fields of cavity optomagnonics and levitated optomechanics in order to control and probe the coupled spin-mechanics of magnetic dielectric p…
Dynamical Backaction Magnomechanics
C. A. Potts, E. Varga, V. A. S. V. Bittencourt +2
Dynamical backaction resulting from radiation pressure forces in optomechanical systems has proven to be a versatile tool for manipulating mechanical vibrations. Notably, dynamical…
Quantum nonlocality in extended theories of gravity
Victor A. S. V. Bittencourt, Massimo Blasone, Fabrizio Illuminati +3
We investigate how pure-state Einstein-Podolsky-Rosen correlations in the internal degrees of freedom of massive particles are affected by a curved spacetime background described b…
Spin cat states in a ferromagnetic insulator
Sanchar Sharma, Victor A. S. V. Bittencourt, Alexy D. Karenowska +1
Generating non-classical states in macroscopic systems is a long standing challenge. A promising platform in the context of this quest are novel hybrid systems based on magnetic di…
Chiral oscillations in the non-relativistic regime
Victor A. S. V. Bittencourt, Alex E. Bernardini, Massimo Blasone
Massive Dirac particles are a superposition of left and right chiral components. Since chirality is not a conserved quantity, the free Dirac Hamiltonian evolution induces chiral qu…
Lorentz Invariant Quantum Concurrence for SU(2) x SU(2) spin-parity states
Alex E. Bernardini, Victor A. S. V. Bittencourt, Massimo Blasone
The quantum concurrence of spin-parity states is shown to be invariant under Lorentz boosts and rotations when the density matrices are const…
Magnon-Phonon Quantum Correlation Thermometry
C. A. Potts, V. A. S. V. Bittencourt, S. Viola Kusminskiy +1
A large fraction of quantum science and technology requires low-temperature environments such as those afforded by dilution refrigerators. In these cryogenic environments, accurate…
Antiferromagnetic cavity optomagnonics
T. S. Parvini, V. A. S. V. Bittencourt, Silvia Viola Kusminskiy
Currently, there is a growing interest in studying the coherent interaction between magnetic systems and electromagnetic radiation in a cavity, prompted partly by possible applicat…
Magnon heralding in cavity optomagnonics
V. A. S. V. Bittencourt, V. Feulner, Silvia Viola Kusminskiy
In the emerging field of cavity optomagnonics, photons are coupled coherently to magnons in solid-state systems. These new systems are promising for implementing hybrid quantum tec…
Effects of Lorentz boosts on Dirac bispinor entanglement
Victor A. S. V. Bittencourt, Alex E. Bernardini, Massimo Blasone
In this paper we describe the transformation properties of quantum entanglement encoded in a pair of spin 1/2 particles described via Dirac bispinors. Due to the intrinsic parity-s…
Global Dirac bispinor entanglement under Lorentz boosts
Victor A. S. V. Bittencourt, Alex E. Bernardini, Massimo Blasone
The effects of Lorentz boosts on the quantum entanglement encoded by a pair of massive spin one-half particles are described according to the Lorentz covariant structure described…
Graphene lattice-layer entanglement under non-Markovian phase noise
Victor A. S. V. Bittencourt, Massimo Blasone, Alex E. Bernardini
The evolution of single particle excitations of bilayer graphene under effects of non-Markovian noise is described with focus on the decoherence process of lattice-layer (LL) maxim…
CP symmetry and thermal effects on Dirac bi-spinor spin-parity local correlations
A. E. Bernardini, V. A. S. V. Bittencourt, M. Blasone
Intrinsic quantum correlations supported by the structure of the Dirac equation used to describe particle/antiparticle states, optical ion traps and bilayer gr…
Lattice-layer entanglement in Bernal-stacked bilayer graphene
Victor A. S. V. Bittencourt, Alex. E. Bernardini
The complete lattice-layer entanglement structure of Bernal stacked bilayer graphene is obtained for the quantum system described by a tight-binding Hamiltonian which includes mass…