Publications in refereed journals

Papers in ARXIV | Google scholar

Few distinguishable particles with an impurity in a one-dimensional harmonic trap
Abel Rojo-Francàs, Felipe Isaule, Bruno Juliá-Díaz
arxiv (2023)


Nuclear shell-model simulation in digital quantum computers
A Pérez-Obiol, AM Romero, J Menéndez, A Rios, A García-Sáez, B Juliá-Díaz
arxiv 2302.03641 (2023)


Superexchange liquefaction of strongly correlated lattice dipolar bosons
I Morera, R Ołdziejewski, GE Astrakharchik, B Juliá-Díaz
Physical Review Letters 130, 023602 (2023)


2022

Direct diagonalization method for a few particles trapped in harmonic potentials
Abel Rojo-Francàs, Felipe Isaule, and Bruno Juliá-Díaz
Phys. Rev. A 105, 063326 (2022)


Quantum liquids and droplets with low-energy interactions in one dimension
Ivan Morera, Bruno Juliá-Díaz, Manuel Valiente
Phys. Rev. Research Physical Review Research 4 (4), L042024 (2022)


Renormalization-group study of Bose polarons
F Isaule, I Morera, P Massignan, B Juliá-Díaz
Physical Review A 104 (2), 023317 (2021)


Functional renormalization for repulsive Bose-Bose mixtures at zero temperature
Felipe Isaule, Ivan Morera, Artur Polls, Bruno Juliá-Díaz,
Phys. Rev. A 103, 013318 (2020)


Supervised learning of few dirty bosons with variable particle number
Pere Mujal, Àlex Martínez Miguel, Artur Polls, Bruno Juliá-Díaz, Sebastiano Pilati,
SciPost Phys. 10, 073 (2021).


2021

Universal dimerized quantum droplets in a one-dimensional lattice
Ivan Morera, Grigori E. Astrakharchik, A. Polls, B. Juliá-Díaz,
Phys. Rev. Lett. 126, 023001 (2021)

Mentioned in Phys.org
Press release from ICCUB , in QuantumCat

From few to many bosons inside the unitary window: a transition between universal to non-universal behavior
A. Kievsky, A. Polls, B. Juliá-Díaz, N. K. Timofeyuk, M. Gattobigio
Phys. Rev. A 102, 063320 (2020)


Static and dynamic properties of a few spin 1/2 interacting fermions trapped in an harmonic potential
Abel Rojo-Francàs, Artur Polls, Bruno Juliá-Díaz
Mathematics 2020, 8(7), 1196


Fractionally quantized angular momentum of impurities in Laughlin liquids
Tobias Grass, Bruno Julia Diaz, Niccolò BAldelli, Uto Bhattacharya, Maciej Lewenstein
Phys. Rev. Letts. 125, 136801 (2020)


Spin-orbit coupled bosons interacting in a two-dimensional harmonic trap
Pere Mujal, Artur Polls, Bruno Juliá-Díaz,
Phys. Rev. A 101, 043619 (2020)


Quantum droplets of bosonic mixtures in a one-dimensional optical lattice
Ivan Morera, Grigori E. Astrakharchik, Artur Polls, Bruno Juliá-Díaz
Phys. Rev. Research 2, 022008 (R) (2020)


Orbital angular momentum dynamics of Bose-Einstein condensates trapped in two stacked rings
Eulàlia Nicolau, Jordi Mompart, Bruno Juliá-Díaz, Verònica Ahufinger
Phys. Rev. A 102, 023331, (2020)


Entanglement entropy in low-energy field theories at a finite chemical potential
Ivan Morera, Irénée, Frerot, Artur Polls, Bruno Juliá-Díaz,
Phys. Rev. Research 2, 033016 (2020)


2020

The Hellmann-Feynman theorem at finite temperature
Marina Pons, Bruno Juliá-Díaz, Arnau Rios, Isaac Vidaña, Artur Polls
American Journal of Physics 88, 503 (2020)


Tunneling vortex dynamics in linearly coupled Bose-Hubbard rings
Albert Escrivà, Antonio Muñoz Mateo, Montserrat Guilleumas, and Bruno Juliá-Díaz
Phys. Rev. A 100, 063621 (2019)


Anderson localization of few interacting bosons in a continuum with speckle disorder
Pere Mujal, Artur Polls, Sebastiano Pilati, Bruno Juliá-Díaz,
Phys. Rev. A 100, 013603 (2019)


Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator fo a Heisenberg chain
Ivan Morera Artur Polls, Bruno Juliá-Díaz,
Scientific Reports 9, 9424 (2019)


2019

Dynamic structure function of two interacting atoms in 1D
David Ledesma, Alejandro Romero-Ros, Artur Polls, Bruno Juliá-Díaz,
EPL 127 (2019) 56001


Static properties of two connected Bose-Hubbard rings
Albert Escrivà, Bruno Juliá-Díaz, Montserrat Guilleumas
arxiv


Semiclassical approach to finite temperature quantum annealing with trapped ions
David Raventós, Tobias Graß, Bruno Juliá-Díaz, Maciej Lewenstein
Phys. Rev. A 97, 052310 (2018)


Creation of entangled atomic states by an analogue of the Dynamical Casimir Effect
K. Lange, J. Peise, B. Lücke, T. Gruber, A. Sala, A. Polls, W. Ertmer, B. Juliá-Díaz, L. Santos, C. Klempt
New. J. of Phys. 20, 103017 (2018)


Fermionic properties of two interacting bosons in a two-dimensional harmonic trap
Pere Mujal, Artur Polls, Bruno Juliá-Díaz
Condens. Matter 2018, 3(1), 9 (2018)


2018

Dark-dark-soliton dynamics in two density-coupled Bose-Einstein condensates
I. Morera, A. Muñoz Mateo, A. Polls, B. Juliá-Díaz
Phys. Rev. A 97, 043621 (2018)


Cold bosons in optical lattices: a tutorial for exact diagonalisation D. Raventos, T.Grass, B. Julia-Diaz
J. Phys. B: At. Mol. Opt. Phys. 50 (2017) 113001

Saturation properties of helium drops from a Leading Order description
A. Kievsky, A. Polls, B. Juliá-Díaz, N. K. Timofeyuk
Phys. Rev. A 96, 040501 (2017)


2017

Quantum correlations and degeneracy of identical bosons in a 2D harmonic tr
Pere Mujal, Enric Sarlé, Artur Polls, Bruno Juliá-Díaz
Phys. Rev. A 96, 043614 (2017)


Shortcut to adiabaticity in spinor condensates
Arnau Sala, David López Núñez, Joan Martorell, Luigi De Sarlo, Tilman Zibold, Fabrice Gerbier, Artur Polls, Bruno Juliá-Díaz
Phys. Rev. A 94, 043623 (2016)


Quantum annealing for the number-partitioning problem using a tunable spin glass of ions
Tobias Graß, David Raventós, Bruno Juliá-Díaz, Christian Gogolin, Maciej Lewenstein
Nature Communications 7, 11524 (2016)

Mentioned in Phys.org
Mentioned in Science daily
Press release from ICFO
Press release from UB (in catalan) , in in spanish

Robustness of discrete semifluxons in closed Bose-Hubbard chains
A. Gallemí, M. Guilleumas, J. Martorell, R. Mayol, A. Polls, B. Juliá-Díaz
New J. Phys. 18 075005 (2016)

Focus on Atomtronics-enabled Quantum Technologies

Next-to-leading order effective field theory ΛN --> NN potential in coordinate space
Axel Perez Obiol, David R. Entem, Bruno Julia Diaz, Assumpta Parreño
Nucl. Phys. A 954, 213 (2016).

Quantum properties of a binary bosonic mixture in a double well
Pere Mujal, Bruno Julia Diaz, Artur Polls
Phys. Rev. A 93, 043619 (2016).

Matter-wave recombiners for trapped Bose-Einstein condensates
Tarik Berrada, Sandrine van Frank, Robert Bücker, Thorsten Schumm, Jean-François Schaff, Jörg Schmiedmayer, Bruno Julía-Díaz, Artur Polls
Phys. Rev. A 93, 063620 (2016)

2016

Topological phases of lattice bosons with a dynamical gauge field
David Raventós, Tobias Graß, Bruno Juliá-Díaz, Luis Santos, Maciej Lewenstein
Phys. Rev. A93, 033605 (2016).

Hybrid synchronization in coupled ultracold atomic gases
Haibo Qiu, Roberta Zambrini, Artur Polls, Joan Martorell, Bruno Juliá-Díaz
Phys. Rev. A 92, 043619 (2015)

Twist-and-Turn Spin Squeezing in Bose-Einstein Condensates
W. Muessel, H. Strobel, D. Linnemann, T. Zibold, B. Julia-Diaz, M. Oberthaler
Phys. Rev. A 92, 023603 (2015).

Mesoscopic superpositions of Tonks-Girardeau gases and the Bose-Fermi mapping
M. A. Garcia-March, A. Yuste-Roca, B. Julia-Diaz, and A. Polls
Phys. Rev. A 92, 033621 (2015).

2015

Fragmented condensation in Bose-Hubbard trimers with tuneable tunnelling
A. Gallemi, M. Guilleumas, J. Martorell, R. Mayol, A. Polls, and B. Julia-Diaz
New J. Phys. 17 (2015) 073014

Distinguishability, degeneracy and correlations in three harmonically trapped bosons in 1D
M. A. Garcia-March, B. Julia-Diaz, G. E. Astrakharchik, J. Boronat, and A. Polls
Phys. Rev. A 90, 063605 (2014).

Quantum correlations and spatial localization in one-dimensional ultracold bosonic mixtures
M. A. Garcia-March, B. Julia-Diaz, G. E. Astrakharchik, Th. Busch, J. Boronat, and A. Polls
New J. of Phys. 16, 103004 (2014).

Measure synchronization in quantum many-body systems
H. Qiu, B. Julia-Diaz, M. A. Garcia March, A. Polls
Phys. Rev. A 90, 033603 (2014)

Josephson physics of spin-orbit-coupled elongated Bose-Einstein condensates
M. A. Garcia-March, G. Mazzarella, L. Dell'Anna, B. Julia-Diaz, L. Salasnich, and A. Polls
Phys. Rev. A 89, 063607 (2014).

Topological phases in small quantum Hall samples
T. Grass, B. Julia-Diaz, M. Lewenstein
Phys. Rev. A 86, 053629 (2014).

2014

Quantum Hall phases of two-component bosons
T. Grass, D. Raventos, M. Lewenstein, B. Julia-Diaz
Phys. Rev. B 89, 045114 (2014).

Shortcut to adiabaticity in internal Josephson junctions
A. Yuste, B. Julia-Diaz, E. Torrontegui ,J. G. Muga, J. Martorell, A. Polls
Phys. Rev. A 88, 043647 (2013)

Quantum and thermal fluctuations in bosonic Josephson junctions
B. Julia-Diaz, A. D. Gottlieb, J. Martorell, A. Polls
Phys. Rev. A 88, 033601 (2013).

Sharp crossover from composite fermionization to phase separation in mesoscopic mixtures of ultracold bosons
M. A. Garcia-March, B. Julia-Diaz, G.E. AStrakharchik, Th. Busch, J. Boronat, A. Polls
Phys. Rev. A 88, 063604 (2013)

Quantum chaos in SU_3 models with trapped ion chains
T. Grass, B. Julia-Diaz, M. Lewenstein
Phys. Rev. Lett. 111, 090404 (2013)

One-loop contributions in the EFT for the Lambda N--> NN transition
A. Perez-Obiol, D. R. Entem, B. Julia-Diaz, A. Parreno
Phys. Rev. C87, 044614 (2013).

Engineering p-wave interactions in ultracold atoms using nanoplasmonic traps
B. Julia-Diaz, T. Grass, O. Dutta, D. E. Chang, M. Lewenstein
Nature Communications 4, 2046 (2013)
Mentioned in Phys.org
Mentioned in Science daily
Press release from ICFO
Press release from UB (in catalan) , in in spanish and in in english

Thermal spin fluctuations in spinor Bose-Einstein condensates
M. Mele-Messeguer, B. Julia-Diaz, A. Polls and L. Santos
Phys. Rev. A 87, 033632 (2013)

2013

Fractional Quantum Hall states of a Bose gas with spin-orbit coupling
T. Grass, B. Julia-Diaz, M. Burrelo, M. Lewenstein
J. Phys. B: At. Mol. Opt. Phys. 46 134006 (2013) "Special issue on non-Abelian gauge fields"

Quasihole dynamics as a detection tool for quantum Hall phases
T. Grass, B. Julia-Diaz, M. Lewenstein
Phys. Rev. A 86, 053629 (2012)

Spin-driven spatial symmetry breaking of spinor condensates in a double-well
M. Mele-Messeguer, S. Paganelli, B. Julia-Diaz, A. Sanpera, A. Polls
Phys. Rev. A 86, 053626 (2012)


Temperature effects on the quantum coherence of bosonic Josephson junctions
B. Julia-Diaz, J. Martorell, A. Polls
In production, part of "Spontaneous Symmetry Breaking, Self-Trapping, and Josephson Oscillations in Nonlinear Systems", B.A. Malomed, ed. (Springer, Berlin, 2012)

Fast generation of spin-squeezed states in bosonic Josephson junctions
B. Julia-Diaz, E. Torrontegui, J. Martorell, J. G. Muga, A. Polls
Phys. Rev. A 86, 063623 (2012)

Dynamic generation of spin-squeezed states in bosonic Josephson junctions
B. Julia-Diaz, T. Zibold, M. K. Oberthaler, M. Mele-Messeguer, J. Martorell, A. Polls
Phys. Rev. A 86, 023615 (2012)

Non-abelian spin singlet states of two-component Bose gases in artificial gauge fields
T. Grass, B. Julia-Diaz, N. Barberan, M. Lewenstein
Phys. Rev. A 86, 021603(R) (2012)

Fractional quantum Hall states of few bosonic atoms in artificial gauge fields
B. Julia-Diaz, T. Grass, N. Barberan, M. Lewenstein
New Journal of Physics, 14, 055003 (2012)
Focus on Bose Condensation Phenomena in Atomic and Solid State Physics

2012

Expansion of analytical, strongly correlated quantum states into a many-body independent motion basis
B. Julia-Diaz, T. Grass
Comput. Phys. Commun. 183, 737-745 (2012)

Strongly correlated states of a cold atomic gas from geometric gauge fields
B. Julia-Diaz, D. Dagnino, KJ Gunter, T. Grass, N. Barberan, M. Lewenstein, J. Dalibard
Phys. Rev. A 84, 053605 (2011)

Current constrains on the EFT for the $\Lambda N \to NN$ transition
A. Perez-Obiol, A. Parreno, B. Julia-Diaz
Phys. Rev. C 84, 024606 (2011)

Improved variational approach to the two-site Bose-Hubbard model
M. Mele-Messeguer, B. Julia-Diaz, A. Polls
Journal of Low Temperature Physics 165, 5, 180 (2011)

QCWAVE: A Mathematica quantum computer simulation update
F. Tabakin, B. Julia-Diaz
Computer Physics Communications 182 (2011) 1693.

2011

Selected by Virtual Journal of Atomic Quantum Fluids

Weakly linked binary mixtures of 87 Rb spinor BEC
M. Mele-Messeguer, B. Julia-Diaz, M. Guilleumas, A. Polls, A. Sanpera
New Journal of Physics, 13 033012 (2011)

Beyond standard two mode dynamics in bosonic josephson junctions
B. Julia-Diaz, J. Martorell, M. Mele-Messeguer, A. Polls
Phys. Rev. A 82, 063626 (2010)


BECs on slightly asymmetric double-well potentials
B. Julia-Diaz, J. Martorell, A. Polls
Phys. Rev. A 81, 063625 (2010)

Macroscopic self trapping in BECs: analysis of a dynamical quantum phase transition
B. Julia-Diaz, D. Dagnino, M. Lewenstein, J. Martorell, A. Polls
Phys. Rev. A 81, 023615 (2010)

2010

Disentangling the dynamical origin of P11 Nucleon Resonances
N. Suzuki, B. Julia-Diaz, H. Kamano, T.-S.H. Lee, A. Matsuyama, T. Sato
Phys. Rev. Lett. 104, 042302 (2010)


Double and single pion photoproduction within a dynamical coupled-channels model
H. Kamano, B. Julia-Diaz, T.-S.H. Lee, A. Matsuyama, T. Sato
Phys. Rev. C 80, 065203 (2009)

Selected by Virtual Journal of Atomic Quantum Fluids

Spinor BECs in a double-well: population transfer and Josephson oscillations
B. Julia-Diaz, M. Mele-Messeguer, M. Guilleumas, A. Polls
Phys. Rev. A 80, 043622 (2009)


Dynamical coupled-channels analysis of p(e,e'pi)N reactions
B. Julia-Diaz, H. Kamano, T.-S.H Lee, A. Matsuyama, T. Sato, N. Suzuki
Phys. Rev. C 80, 025207 (2009)

Selected by Virtual Journal of Atomic Quantum Fluids

Josephson Oscillations in binary mixtures of F=1 spinor BECS
B. Julia-Diaz, M. Guilleumas, M. Lewenstein, A. Polls, A. Sanpera
Phys. Rev. A 80, 023616 (2009)


QCMPI: A parallel environment for quantum computing
F. Tabakin, B. Julia-Diaz,
Computer Physics Communications 180 (2009) 948


Dynamical coupled-channels study of pi N to pi pi N reactions
H. Kamano, B. Julia-Diaz, T.-S.H.Lee, A. Matsuyama, T. Sato,
Phys. Rev. C 79, 025206 (2009)

2009

On the Methods for Constructing Meson-Baryon Reaction Models within Relativistic Quantum Field Theory
B. Julia-Diaz, H. Kamano, T.-S.H.Lee, A. Matsuyama, T. Sato, N. Suzuki
Chinese J. Physics 47, 2 (2009) 142


Análisis Matemático de una variable
B. Julia-Diaz, Montserrat Guilleumas
Texto Docente UB, 341, Universitat de Barcelona (2008)


Coupled-channels study of the pion- p --> eta n process
J. Durand, B. Julia-Diaz, T.-S. H. Lee, B. Saghai, T. Sato
Phys. Rev. C 78, 025204 (2008)


Spin mixing in colliding spinor condensates: Formation of an effective barrier M. Guilleumas, B. Julia-Diaz, J. Mur-Petit, A. Polls,
Europhysics Letters 84 (2008) 60005

2008

Dynamical coupled-channels effects in pion photoproduction
B. Julia-Diaz, T.-S.H. Lee, A. Matsuyama, T. Sato and L.C. Smith Phys. Rev. C 77, 045205 (2008)


Measurement of the gamma p --> K^+ Lambda Reaction at Backward Angles
K. Hicks, T. Mibe, M. Sumihama et al. Phys. Rev. C 76, 042201(R) (2007)


Dynamical coupled-channel model of pi N scattering in the W <= 2-GeV nucleon resonance region.
B. Julia-Diaz, T.-S.H. Lee, A. Matsuyama, and T. Sato
Phys. Rev. C 76, 065201 (2007)

2007

Extraction and Interpretation of gamma N --> Delta Form Factors within a Dynamical Model
B. Julia-Diaz, T.-S.H. Lee, T. Sato and L.C. Smith
Phys. Rev. C 75, 015205, (2007)


The role of qqqq\bar{q} components in the nucleon and the N(1440) resonance
B. Julia-Diaz, D. O. Riska
Nucl. Phys. A780, 175 (2006)


Dynamical coupled-channel approach to hadronic and electromagnetic production of kaon-hyperon on the proton
B. Julia-Diaz, B. Saghai, T.-S.H. Lee, F. Tabakin
Physical Review C 73, 055204 (2006)

2006

Qdensity: a Mathematica Quantum Computer Simulation
Bruno Julia-Diaz, Joseph M. Burdis and Frank Tabakin
Computer Physics Comm 174 (2006) 914; quant-ph/0508101
Mathematica Repository
QDENSITY webpage


Electroweak properties of the , K and K*(892) in the three forms of relativistic kinematics
Jun He, B. Juliá-Díaz and Yu-bing Dong
Eur. Phys. Jour. A 24, 3, 411(2005)


D-state configurations in the electromagnetic form factors of the nucleon and the Delta(1232) resonance
B. Juliá-Díaz, and D. O. Riska
Nucl. Phys. A757:441, (2005)


Baryon Magnetic Moments of Relativistic Quark Models
B. Juliá-Díaz and D. O. Riska
Nuclear Physics A 739, 69-88 (2005)


Nuclei of double-charm hyperons
B. Juliá-Díaz and D. O. Riska
Nucl. Phys. A755 (2005) 431-434

2005

Bound States of Heavy Flavor Hyperons
F. Frömel, B. Juliá-Díaz and D. O. Riska
Nuclear Physics A 750, 337 (2005)


Electromagnetic form factor of pion and rho in the three forms of relativistic kinematics
Jun He, B. Juliá-Díaz and Yu-bing Dong
Phys. Lett. B 602, 212 (2004)


Axial Transition Form Factors and Pion Decay of Baryon Resonances
B. Juliá-Díaz, D. O. Riska and F. Coester
Phys. Rev. C 70, 045204 (2004)

2004

Baryon Form-Factors of Relativistic Constituent-Quark Models
B. Juliá-Díaz, D. O. Riska and F. Coester
Physical Review C 69, 035212 (2004) and Erratum: ibid 75, 069902 (2007)

2003

Baryon-Baryon interactions in a chiral constituent quark model
B. Juliá-Díaz, PhD Thesis, Universidad de Salamanca
PDF(2003)         From the TESEO database
Premio extraordinario de doctorado


Deuteron NN*(1440) components from a chiral quark model
B. Juliá-Díaz, D. R. Entem, A. Valcarce, F. Fernández
Physical Review C 66, 047002 (2002)


Microscopic NN -> NN*(1440) transition potential: Determination of pi N N*(1440) and sigma NN*(1440) coupling constants
B. Juliá-Díaz, A. Valcarce, P. González, F. Fernández
Physical Review C 66, 024005 (2002)

2002

Quark-model based study of the triton binding energy
B. Juliá-Díaz, F. Fernández, A. Valcarce, J. Haidenbauer
Physical Review C 65, 034001 (2002)

2001

Microscopic derivation of a NN*(1440) potential
B. Juliá-Díaz, F. Fernández, P. González and A. Valcarce
Physical Review C 63, 024006 (2001)