1.3k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR1.9k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.8k papers
- European Organization for Nuclear ResearchCH1.8k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT1.7k papers
- Institute of Nuclear Physics, Polish Academy of SciencesPL1.6k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT1.6k papers
- University of LiverpoolGB1.6k papers
- National Institute for Subatomic PhysicsNL1.6k papers
- University of BirminghamGB1.6k papers
- Heidelberg UniversityDE1.6k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT1.5k papers
- AGH University of KrakowPL1.5k papers
51 papers · 1 filter
Can we accurately read or write quantum data?
Ovidiu Cristinel Stoica
Applications of quantum mechanics rely on the accuracy of reading and writing data. This requires accurate measurements and preparations of the quantum states. I show that accurate…
Generation of entanglement using a short-wavelength seeded free-electron laser
Saikat Nandi, Axel Stenquist, Asimina Papoulia +25
Quantum entanglement between the degrees of freedom encountered in the classical world is challenging to observe due to the surrounding environment. To elucidate this issue, we inv…
The Relation between Wavefunction and 3D Space Implies Many Worlds with Local Beables and Probabilities
Ovidiu Cristinel Stoica
We show that the quantum wavefunctional can be seen as a set of classical fields on the 3D space aggregated by a measure. We obtain a complete description of the wavefunctional in…
Quantum communication networks with optical vortices
S. Suciu, G. A. Bulzan, T. A. Isdraila +4
Quantum communications bring a paradigm change in internet security by using quantum resources to establish secure keys between parties. Present-day quantum communications networks…
Does quantum mechanics require "conspiracy"?
Ovidiu Cristinel Stoica
Quantum states containing records of incompatible outcomes of quantum measurements are valid states in the tensor-product Hilbert space. Since they contain false records, they conf…
Born rule: quantum probability as classical probability
Ovidiu Cristinel Stoica
I provide a simple derivation of the Born rule as giving a classical probability, that is, the ratio of the measure of favorable states of the system to the measure of its total po…
Optimal phase sensitivity of an unbalanced Mach-Zehnder interferometer
Karunesh K. Mishra, Stefan Ataman
In this paper we address the problem of optimizing an unbalanced Mach-Zehnder interferometer, for a given pure input state and considering a specific detection scheme. While the op…
The eigenvalues and eigenfunctions of the toroidal dipole operator in a mesoscopic system
Dragos-Victor Anghel, Mircea Dolineanu
We give analytical expressions for the eigenvalues and generalized eigenfunctions of , the -axis projection of the toroidal dipole operator, in a system consisting of…
The self-adjoint toroidal dipole operator in nanostructures
Mircea Dolineanu, Amanda Teodora Preda, Dragos-Victor Anghel
The parity violation in nuclear reactions led to the discovery of the new class of toroidal multipoles. Since then, it was observed that toroidal multipoles are present in the elec…
Studying ultrafast Rabi dynamics with a short-wavelength seeded free-electron laser
Saikat Nandi, Edvin Olofsson, Mattias Bertolino +26
Rabi oscillations are periodic modulations of populations in two-level systems interacting with a time-varying field. They are ubiquitous in physics with applications in different…
Quantum Fisher information maximization in an unbalanced interferometer
Stefan Ataman
In this paper we provide the answer to the following question: given an arbitrary pure input state and a general, unbalanced, Mach-Zehnder interferometer, what transmission coeffic…
Is the Wavefunction Already an Object on Space?
Ovidiu Cristinel Stoica
Since the discovery of quantum mechanics, the fact that the wavefunction is defined on the -dimensional configuration space rather than on the -dimensional space ha…
Interferometric mass spectrometry
Radu Ionicioiu
Accelerator mass spectrometry (AMS) is a widely-used technique with multiple applications, including geology, molecular biology and archeology. In order to achieve a high dynamic r…
Interaction-free imaging of multi-pixel objects
Alexandra Maria Palici, Tudor-Alexandru Isdraila, Stefan Ataman +1
Quantum imaging, one of the pillars of quantum technologies, is well-suited to study sensitive samples which require low-light conditions, like biological tissues. In this context,…
Refutation of Hilbert Space Fundamentalism
Ovidiu Cristinel Stoica
According to the "Hilbert Space Fundamentalism" Thesis, all features of a physical system, including the 3D-space, a preferred basis, and factorization into subsystems, uniquely em…
3D-Space and the preferred basis cannot uniquely emerge from the quantum structure
Ovidiu Cristinel Stoica
Hilbert-Space Fundamentalism (HSF) states that the only fundamental structures are the quantum state vector and the Hamiltonian, and from them everything else emerge uniquely, incl…
Observables compatible to the toroidal moment operator
Dragos-Victor Anghel, Amanda Teodora Preda
The quantum operator , corresponding to the projection of the toroidal moment on the axis, admits several self-adjoint extensions, when defined on the whole $\mathbb…
Standard Quantum Mechanics without observers
Ovidiu Cristinel Stoica
The Projection Postulate from Standard Quantum Mechanics relies fundamentally on measurements. But measurements implicitly suggest the existence of anthropocentric notions like mea…
Single- versus two-parameter Fisher information in quantum interferometry
Stefan Ataman
In this paper we reconsider the single parameter quantum Fisher information (QFI) and compare it with the two-parameter one. We find simple relations connecting the single paramete…
Simulation of integrated photonic gates
Andrei-Emanuel Dragomir, Cristian George Ivan, Radu Ionicioiu
Quantum technologies, such as quantum communication, sensing and imaging, need a platform which is flexible, miniaturizable and works at room temperature. Integrated photonics is a…
OAM tomography with Heisenberg-Weyl observables
Alexandra Maria Palici, Tudor-Alexandru Isdraila, Stefan Ataman +1
Photons carrying orbital angular momentum (OAM) are excellent qudits and are widely used in several applications, such as long distance quantum communication, -dimensional telep…
Optimal Mach-Zehnder phase sensitivity with Gaussian states
Stefan Ataman
We address in this work the phase sensitivity of a Mach-Zehnder interferometer with Gaussian input states. A squeezed-coherent plus squeezed vacuum input state allows us to unambig…
Entanglement versus cooling in the system of a driven pair of two-level qubits longitudinally coupled with a boson mode field
Elena Cecoi, Viorel Ciornea, Aurelian Isar +1
The relationship among the entanglement creation within coherently pumped and closely spaced two-level emitters longitudinally coupled with a single-mode boson field, and the subse…
A representation of the wave function on the three-dimensional space
Ovidiu Cristinel Stoica
One of the major concerns of Schrödinger, Lorentz, Einstein, and many others about the wave function is that it is defined on the -dimensional configuration space, rat…