154 citations · 287 across the 11 of their papers we have counts for
11 papers
Counterdiabatic driving in spin squeezing and Dicke state preparation
Tomáš Opatrný, Hamed Saberi, Etienne Brion +1
A method is presented to transfer a system of two-level atoms from a spin coherent state to a maximally spin squeezed Dicke state, relevant for quantum metrology and quantum inform…
Entanglement classification with matrix product states
M. Sanz, I. L. Egusquiza, R. Di Candia +3
Entanglement is widely considered the cornerstone of quantum information and an essential resource for relevant quantum effects, such as quantum teleportation, quantum cryptography…
Adiabatic tracking of quantum many-body dynamics
Hamed Saberi, Tomáš Opatrný, Klaus Mølmer +1
The nonadiabatic dynamics of a many-body system driven through a quantum critical point can be controlled using counterdiabatic driving, where the formation of excitations is suppr…
Uncontrolled disorder effects in fabricating photonic quantum simulators on a kagome geometry: A projected-entangled pair state versus exact digonalization analysis
Amin Hosseinkhani, Bahareh Ghannad Dezfouli, Fatemeh Ghasemipour +2
We propose a flexible numerical framework for extracting the energy spectra and photon transfer dynamics of a unit kagome cell with disordered cavity-cavity couplings under realist…
Fractional Gaussian noise criterion for correlations characterization: a random-matrix-theory inspired perspective
Tayeb Jamali, Hamed Saberi, G. R. Jafari
We introduce a particular construction of an autocorrelation matrix of a time series and its analysis based on the random-matrix theory ideas that is capable of unveiling the type…
Genuine fidelity gaps associated with a sequential decomposition of genuinely entangling isometry and unitary operations
Hamed Saberi
We draw attention to the existence of "genuine" fidelity gaps in an ancilla-assisted sequential decomposition of genuinely entangling isometry and unitary operations of quantum com…
Efficient classical simulation of the Gisin-Massar quantum cloning machine
Hamed Saberi, Yousof Mardoukhi
We provide here the technical details of the recently proposed tensor-network protocol for classical simulation of the Gisin-Massar quantum cloner by the authors [Phys. Rev. A, 85,…
Sequential quantum cloning under real-life conditions
Hamed Saberi, Yousof Mardoukhi
We consider a sequential implementation of the optimal quantum cloning machine of Gisin and Massar and propose optimization protocols for experimental realization of such a quantum…
Ancilla-assisted sequential approximation of nonlocal unitary operations
Hamed Saberi
We consider the recently proposed "no-go" theorem of Lamata et al [Phys. Rev. Lett. 101, 180506 (2008)] on the impossibility of sequential implementation of global unitary operatio…
Constrained optimization of sequentially generated entangled multiqubit states
Hamed Saberi, Andreas Weichselbaum, Lucas Lamata +3
We demonstrate how the matrix-product state formalism provides a flexible structure to solve the constrained optimization problem associated with the sequential generation of entan…
Matrix product state comparison of the numerical renormalization group and the variational formulation of the density matrix renormalization group
Hamed Saberi, Andreas Weichselbaum, Jan von Delft
Wilson's numerical renormalization group (NRG) method for solving quantum impurity models yields a set of energy eigenstates that have the form of matrix product states (MPS). Whit…