Papers published by members of the Quantic group.


Scaling of variational quantum circuit depth for condensed matter systems
Carlos Bravo-Prieto, Josep Lumbreras-Zarapico, Luca Tagliacozzo, José I. Latorre
arXiv preprint: arxiv.2002.06210

Quantum unary approach to option pricing
Sergi Ramos-Calderer, Adrián Pérez-Salinas, Diego García-Martín, Carlos Bravo-Prieto, Jorge Cortada, Jordi Planagumà, José I. Latorre
arXiv preprint: arxiv.1912.01618

Quantum observables for continuous control of the Quantum Approximate Optimization Algorithm vie Reinforcement Learning
Artur García-Sáez, Jordi Riu
arXiv preprint: arxiv.1911.09682

Variational Quantum Linear Solver: A Hybrid Algorithm for Linear Systems
Carlos Bravo-Prieto, Ryan LaRose, M. Cerezo, Yigit Subasi, Lukasz Cincio, Patrick J. Coles
arXiv preprint: arxiv.1907.05820

Quantum Singular Value Decomposer
C. Bravo-Prieto, D. García-Martín, J. I. Latorre
arXiv preprint: arxiv.1905.01353

Addressing hard classical problems with Adiabatically Assisted Variational Quantum Eigensolvers
A. Garcia-Saez, J. I. Latorre
arXiv preprint: arxiv:1806.02287


Measuring the tangle of three-qubits states
Adrián Pérez-Salinas,Carlos Bravo-Prieto, Diego García-Martín, José I. Latorre
Entropy 2020, 22(4), 436. Entropy, arxiv.2003.06895

Data re-uploading for a universal quantum classifier
A. Pérez-Salinas, A. Cervera-Lierta, E. Gil-Fuster, J. I. Latorre
Quantum 4, 226 (2020). Quantum, arxiv.1907.02085

Observation of Three-Photon Spontaneous Parametric Downconversion in a Superconducting Parametric Cavity
C.W. Sandbo Chang, Carlos Sabín, P. Forn-Díaz, Fernando Quijandría, A.M. Vadiraj, I. Nsanzineza, G. Johansson, C.M. Wilson
Physical Review X 10, 011011 (2020). Phys. Rev. X, arxiv:1907.08692


Quantum circuits for maximally entangled gates
A. Cervera-Lierta, J. I. Latorre, D. Goyeneche
Physical Review A 100, 022342 (2019). Phys. Rev. A, arxiv.1904.07955

Ultrastrong coupling regimes of light-matter interaction
P. Forn-Díaz, L. Lamata, E. Rico, J. Kono, E. Solano
Reviews of Modern Physics 91, 025005 (2019). Rev. Mod. Phys., arxiv:1804.09275


Exact Ising model simulation on a Quantum Computer
Alba Cervera-Lierta
Quantum 2, 114 (2018). Quantum, arxiv:1807.07112

Multipartite entanglement in spin chains and the Hyperdeterminant
Alba Cervera-Lierta, Albert Gasull, José I. Latorre, German Sierra
Journal of Physics A: Mathematical and Theoretical 51, 505301 (2018). J. Phys. A: Math.arxiv:1802.02596

Generating Multimode Entangled Microwaves with a Superconducting Parametric Cavity
C. W. Chang, M. Simoen, José Aumentado, Carlos Sabín, P. Forn-Díaz, A. M. Vadiraj, Fernando Quijandría, G. Johansson, I. Fuentes, C. M. Wilson
Physical Review Applied 10, 044019 (2018). Phys. Rev. Appl., arXiv:1709.00083

Probing the strongly driven spin-boson model in a superconducting quantum circuit
L. Magazzù*, P. Forn-Díaz*, R. Belyansky, J.-L. Orgiazzi, M. A. Yurtalan, M. R. Otto, A.  Lupascu, C. M. Wilson, M. Grifoni
Nature Communications 9, 1403 (2018). Nature Comm.,  arXiv:1709.01157
(*) equal contribution

Two-photon quantum Rabi model with superconducting circuits
S. Felicetti, D. Z. Rossatto, E. Rico, E. Solano, P. Forn-Díaz
Physical Review A 97, 013851 (2018). Phys. Rev. A, arXiv:1711.10032


Maximal Entanglement in High Energy Physics
Alba Cervera-LiertaJosé I. Latorre, Juan Rojo, Luca Rottoli
SciPost Phys. 3, 036 (2017). SciPost, arXiv:1703.02989

On-demand microwave generator of shaped single photons
P. Forn-Díaz, C. W. Warren, C. W. S. Chang, A. M. Vadiraj, C. M. Wilson
Physical Review Applied 5, 054015. Phys. Rev. Appl., arXiv:1706.06688


Relevant publications prior to Quantic BSC


Ultrastrong coupling of a single artificial atom to an electromagnetic continuum in the nonperturbative regime
P. Forn-Díaz, J. J. García-Ripoll, B. Peropadre, J.-L. Orgiazzi, M. A. Yurtalan, R. Belyansky, C. M. Wilson, A. Lupascu
Nature Physics 13, 39 (2017). Nature Phys., arxiv:1602.00416

Compressed quantum computation using a remote five-qubit quantum computer
M. Hebenstreit, D. Alsina, J. I. Latorre, B. Kraus
Physical Review A 95, 052339 (2017). PRA, arxiv:1703.02989


Operational approach to Bell inequalities: Application to qutrits
Daniel Alsina, Alba Cervera, Dardo Goyeneche, José I. Latorre, Karol Życzkowski
Physical Review A 94, 032102 (2016). PRA, arxiv:1606.01991

Experimental test of Mermin inequalities on a five-qubit quantum computer
Daniel Alsina, José Ignacio Latorre
Physical Review A 94, 012314 (2016). PRA, arxiv:1605.04220

Broken selection rule in the quantum Rabi model
P. Forn-Díaz, G. Romero, C. Harmans, E. Solano, J. E. Mooij
Scientific reports 6, 26720 (2016). Scientific reports, arxiv:1510.03379


Absolutely maximally entangled states, combinatorial designs, and multiunitary matrices
Dardo Goyeneche, Daniel Alsina, José I. Latorre, Arnau Riera, Karol Życzkowski
Physical Review A 92, 032316 (2015). PRA, arxiv:1506.08857

Holographic codes
José I. Latorre, Germán Sierra
arXiv preprint: arXiv:1502.06618

Quantum simulation of non-trivial topology
Octavi Boada, Alessio Celi, Javier Rodríguez-Laguna, José I. Latorre, Maciej Lewenstein
New Journal of Physics 17, 045007 (2015). NJP, arxiv:1409.4770


There is entanglement in the primes
José Ignacio Latorre, Germán Sierra
arXiv preprint: arXiv:1403.4765


Quantum will: determinism meets quantum mechanics,
José I. Latorre
Euresis Journal 6, 19 (2013). Euresis, arxiv:1307.0611

Quantum computation of primer number functions,
José I. Latorre, Germán Sierra
Quantum Information and Quantum Computation 14, 0557 (2013). QIQC, arxiv:1302.6245

Renormalization group contraction of tensor networks in three dimensions,
Artur García-Sáez, José I. Latorre
Phys. Rev. B 87, 85130 (2013). PRB, arxiv:1112.1412


Absolute maximal entanglement and quantum secret sharing,
Wolfram Helwig, Wei Cui, José Ignacio Latorre, Arnau Riera, Hoi-Kwong Lo
Phys. Rev. A 86, 052335 (2012). PRA, arxiv:1204.2289

Quantum simulation of an extra dimension,
O. Boada, A. Celi, José I. Latorre
Phys. Rev. Lett. 108, 133001 (2012). PRL, arxiv:1112.1019

An exact tensor network for the 3SAT problem,
Artur García-Sáez, José I. Latorre
Quantum Information and Quantum Computation 12 No.3&4, 0283 (2012). QIQC, arxiv:1105.3201


Dirac equation for cold atoms in artificial curved spacetimes,
O. Boada, A. Celi, J. I. Latorre, M. Lewenstein
New. J. Phys. 13, 35002 (2011). NJP, arxiv:1010.1716


Volume-law scaling for the entanglement entropy in spin-1/2 chains,
G. Vitagliano, A. Riera, J. I. Latorre
New J. Phys. 12, 113049 (2010). NJP, arxiv:1003.1292

Simulation of gauge transformations on systems of ultracold atoms,
O. Boada, A. Celi, J. I. Latorre, V. Picó
New J. Phys. 12, 113055 (2010). NJP, arxiv:1009.1552

Quantum algorithm for the Laughlin wave function,
J. I. Latorre, V. Picó, A. Riera
Phys. Rev. A 81, 60309 (2010). PRA, arxiv:0902.4797


Optimal matrix product states for the Heisenberg spin chain,
José I. Latorre, Vicent Picó
Journal of Physics A: Mathematical and Theoretical 42, 254302 (2009). JPA, arxiv:0812.1761

Quantum circuits for strongly correlated quantum systems,
Frank Verstraete, J. Ignacio Cirac, José I. Latorre
Phys. Rev. A 79, 32316 (2009). PRA, arxiv:0804.1888

A short review on entanglement in quantum spin systems,
A. Riera, J. I. Latorre
Journal of Physic A: Mathematical and Theoretical 42, 504002 (2009). JPA, arxiv:0906.1499


Scaling of entanglement support for matrix product states,
L. Tagliacozzo, Thiago R. de Oliveira, S. Iblisdir, J. I. Latorre
Phys. Rev. B 78, 24410 (2008). PRB, arxiv:0712.1976


Entropy and exact matrix-product representation of the Laughlin wave function,
S. Iblisdir, J. I. Latorre, R. Orús
Phys. Rev. Lett. 98, 60402 (2007). PRL, arxiv:0609088

Entanglement entropy and the simulation of quantum mechanics,
José I. Latorre
Journal of Physics A: Mathematical and Theoretical 40, 6689 (2007). JPA, arxiv:0611271


Half the entanglement in critical systems is distillable from a single specimen,
Román Orús, José Ignacio Latorre, Jens Eisert, Marcus Cramer
Phys. Rev. A 73, 60303 (2006). PRA, arxiv:0509023

Simulation of many-qubit quantum computation with matrix product states,
M. C. Bañuls, R. Orús, J. I. Latorre, A. Pérez, P. Ruiz-Femenia
Phys. Rev. A 73, 22344 (2006). PRA, arxiv:0503174

Area law and vacuum reordering in harmonic networks,
A. Riera, J. I. Latorre
Phys. Rev. A 74, 52326 (2006). PRA, arxiv:0605112

Single-copy entanglement, criticality, and entanglement-area laws in quasi-free Systems,
Marcus Cramer, Julian Dreissig, Jens Eisert, Martin Plenio, Román Orús, José I. Latorre
Verhandlungen der Deutschen Physikalischen Gesellschaft 41, 7 (2006). VDPG


Fine-grained entanglement loss along renormalization-group flows,
J. I. Latorre, C. A. Lütken, E. Rico, G. Vidal
Phys. Rev. A 71, 34301 (2005). PRA, arxiv:0404120

Renormalization-group transformations on quantum states,
Frank Verstraete, J. Ignacio Cirac, J. I. Latorre, E. Rico, M. M. Wolf
Phys. Rev. Lett. 94, 140601 (2005). PRL, arxiv:0410227

Image compression and entanglement,
José I. Latorre
arXiv preprint: arxiv:0510031


Universality of entanglement and quantum-computation complexity,
Román Orús, José I. Latorre
Phys. Rev. A 69, 52308 (2004). PRA, arxiv:0311017

Adiabatic quantum computation and quantum phase transitions,
José Ignacio Latorre, Román Orús
Phys. Rev. A 69, 62302 (2004). PRA, arxiv:0308042

Systematic analysis of majorization in quantum algorithms,
R. Orús, J. I. Latorre, M. A. Martín-Delgado
The European Physical Journal D-Atomic, Molecular, Optical and Plasma Physics 29, 119 (2004). EPJD, arxiv:0212094

Ground state entanglement in quantum spin chains,
J. I. Latorre, E. Rico, G. Vidal
Quant. Inf. Comput. 4, 48 (2004). QIC, arXiv:0304098


Entanglement in quantum critical phenomena,
G. Vidal, J. I. Latorre, E. Rico, A. Kitaev
Phys. Rev. Lett. 90, 227902 (2003). PRL, arxiv:0211074


Time-optimal hamiltonian simulation and gate synthesis using homogeneous local unitaries,
Ll. Masanes, G. Vidal, J. I. Latorre
Quantum Information & Computation 2, 285 (2002). QIC, arxiv:0202042

Majorization arrow in quantum-algorithm design,
J. I. Latorre, M. A. Martín-Delgado
Phys. Rev. A 66, 22305 (2002). PRA, arxiv:0111146

Natural majorization of the Quantum Fourier Transformation in phase-estimation algorithms,
Román Orús, José I. Latorre, Miguel A. Martín-Delgado
Quantum Information Processing 1, 283 (2002). QIP, arxiv:0206134

Quantum nonlocality in two three-level systems,
A. Acín, T. Durt, N. Gisin, J. I. Latorre
Phys. Rev. A 65, 052325 (2002). PRA, arxiv:0111143


Three-party entanglement from positronium,
A. Acín, J. I. Latorre, P. Pascual
Phys. Rev. A 63, 42107 (2001). PRA, arxiv:0007080


Generalized Schmidt decomposition and classification of three-quantum-bit states,
A. Acín, A. Andrianov, L. Costa, E. Jané, J. I. Latorre, Rolf Tarrach
Phys. Rev. Lett. 85, 1560 (2000). PRL, arxiv:0003050

Optimal generalized quantum measurements for arbitrary spin systems,
A. Acín, J. I. Latorre, P. Pascual
Phys. Rev. A 61, 22113 (2000). PRA, arxiv:9904056


Optimal minimal measurements of mixed states,
G. Vidal, J. I. Latorre, P. Pascual, Rolf Tarrach
Phys. Rev. A 60, 126 (1999). PRA, arxiv:9812068


Speed of light in non-trivial vacua,
José I. Latorre, Pedro Pascual, Rolf Tarrach
Nuclear Physics B 437, 60 (1995). NPB, arxiv:9408016