Lara Benfatto

Publications



Identifiers

  Researcher ID: M-8632-2013
  ORCID: 0000-0002-6091-3552

Publications


2019-2016    2015-2011    2010-2006  2005-2000

M. Udina, T. Cea and L. Benfatto
Theory of coherent-oscillations detection in THz pump-probe spectroscopy: from phonons to electronic collective modes
arXiv:1907.06092

G. Venditti, J. Biscaras, S. Hurand, N. Bergeal, J. Lesueur, A. Dogra, R. C. Budhani, Mintu Mondal, John Jesudasan, Pratap Raychaudhuri, S. Caprara, and L. Benfatto,
Non-linear IV characteristics in two-dimensional superconductors: Berezinskii-Kosterlitz-Thouless physics vs inhomogeneity
arXiv:1905.01221

Oliviero Bistoni, Paolo Barone, Emmanuele Cappelluti, Lara Benfatto and Francesco Mauri
Giant Effective charges and Piezoelectricity in Gapped Graphene
arXiv:1903.09407


B. Xu, E. Cappelluti, L. Benfatto, B. P. P. Mallett, P. Marsik, E. Sheveleva, F. Lyzwa, Th. Wolf, R. Yang, X. G. Qiu, Y. M. Dai, H. H. Wen, R. P. S. M. Lobo, C. Bernhard
Scaling of the Fano effect of the in-plane Fe-As phonon and the superconducting critical temperature in Ba1−xKxFe2As2

Phys. Rev Lett. 122, 217002 (2019)
Highlighted on the Cover of Volume 122


G. Singh, A. Jouan, G. Herranz, M. Scigaj, F. Sanchez, L. Benfatto, S. Caprara, M. Grilli, G. Saiz, F. Couedo, C. Feuillet-Palma, J. Lesueur, N. Bergeal
Single-band to two-band superconductivity transition in two-dimensional oxide interfaces
Nature Materials (2019)
See also the News and View Commentary by H. Hilgenkamp and A.E.M. Smink

Raquel Fernandez-Martin, Laura Fanfarillo, Lara Benfatto, Belen Valenzuela
DC conductivity anisotropy by Orbital Selective Spin Fluctuations in the nematic phase of Iron Superconductors
Phys. Rev B 99, 155117 (2019)

Ilaria Maccari, Lara Benfatto, and Claudio Castellani
Disordered XY model: effective medium theory and beyond
Phys. Rev B 99, 104509 (2019)



Indranil Roy, Surajit Dutta, Aditya N. Roy Choudhury, Somak Basistha, Ilaria Maccari, Soumyajit Mandal, John Jesudasan, Vivas Bagwe, Claudio Castellani, Lara Benfatto, Pratap Raychaudhuri
Melting of the vortex lattice through intermediate hexatic fluid in a-MoGe thin film
Phys. Rev. Lett. 122, 047001 (2019)


Flavio Giorgianni, Tommaso Cea, Carlo Vicario, Christoph P. Hauri, Wenura K. Withanage, Xiaoxing Xi and Lara Benfatto,
Leggett mode controlled by light pulses
Nature Physics 15, 341 (2019)

L. Benfatto, B. Valenzuela and L. Fanfarillo,
Nematic Pairing from Orbital Selective Spin Fluctuations in FeSe
NPJ Quantum Materials 3, 56 (2018)

T. Cea, P. Barone, C. Castellani, L. Benfatto
Polarization dependence of the third-harmonic generation in multiband superconductors
Phys. Rev. B 97, 094516 (2018)

L. Fanfarillo, L. Benfatto and B. Valenzuela
Orbital mismatch boosting nematic instability in iron-based superconductors
Phys. Rev. B 97, 121109(R) (2018)

Romain Grasset, Tommaso Cea, Yann Gallais, Maximilien Cazayous, Alain Sacuto, Laurent Cario, Lara Benfatto, Marie-Aude Méasson
Higgs-mode radiance and charge-density-wave order in 2H-NbSe2
Phys. Rev. B 97, 094502 (2018)

I. Maccari, L. Benfatto and C. Castellani
Berezinskii-Kosterlitz-Thouless universality class in the presence of correlated disorder
Condens. Matter 3, 8 (2018)


G. Singh, A. Jouan, L. Benfatto, F. Couedo, P. Kumar, A. Dogra, R. Budhani, S. Caprara, M. Grilli, E. Lesne, A. Barthelemy, M. Bibes, C. Feuillet-Palma, J. Lesueur, N. Bergeal,
Competition between electron pairing and phase coherence in superconducting interfaces
Nat. Comm. 9, 407 (2018)



C. Ferrante, A. Virga, L. Benfatto, M. Martinati, D. De Fazio, U. Sassi, C. Fasolato, A. K. Ott, P. Postorino, D.Yoon, G. Cerullo, F. Mauri, A. C. Ferrari, T. Scopigno
Raman spectroscopy of graphene under ultrafast laser excitation
Nat. Comm. 9, 308 (2018)


Valentina Brosco, Claudio Grimaldi, Emmanuele Cappelluti and Lara Benfatto,
Two-dimensional Rashba metals: unconventional low-temperature transport properties
Journal of Physics and Chemistry of Solids, 2017

G. Seibold, L. Benfatto and C. Castellani,
On the application of Mattis-Bardeen theory in strongly disordered superconductors
Phys. Rev. B  96, 144507 (2017)

Uwe S. Pracht, Tommaso Cea, Nimrod Bachar, Guy Deutscher, Eli Farber, Martin Dressel, Marc Scheffler, Claudio Castellani, Antonio M. Garcia-Garcia, Lara Benfatto
Optical signatures of the superconducting Goldstone mode in granular aluminum: experiments and theory
Phys Rev B 96, 094514 (2017)

I. Maccari, L. Benfatto and C. Castellani,
Broadening of the Berezinskii-Kosterlitz-Thouless transition by correlated disorder
Phys. Rev B 96, 060508(R) (2017)



Edoardo Baldini, Andreas Mann, Lara Benfatto, Emmanuele Cappelluti, Angela Acocella, Vyacheslav M. Silkin, Sergey V. Eremeev, Alexey B. Kuzmenko, Simone Borroni, Teng Tan, Xiaoxiang Xi, Francesco Zerbetto, Roberto Merlin, Fabrizio Carbone
Real-time Observation of Phonon-Mediated sigma-pi Interband Scattering in MgB2
Phys. Rev. Lett. 119, 097002 (2017)

G. Seibold, L. Benfatto, C. Castellani, and J. Lorenzana
Current Correlations in Strongly Disordered Superconductors
J. of Sup. Nov. Mag. 29, 577 (2016)

Laura Fanfarillo, Joseph Mansart, Pierre Toulemonde, Herve Cercellier, Patrick Le Fevre, Francois Bertran, Belen Valenzuela, Lara Benfatto, Veronique Brouet
Orbital-dependent Fermi Surface shrinking as a fingerprint of nematicity in FeSe
Phys. Rev. B 94, 155138 (2016)

T. Cea and L. Benfatto
Signature of the Leggett mode in the A1g Raman response: from MgB2 to iron-based superconductors
Phys. Rev. B 94, 064512 (2016)


T. Cea, C. Castellani, L. Benfatto
Non-linear optical effects and third-harmonic generation in superconductors: Cooper-pairs vs Higgs mode contribution
Phys. Rev. B 93, 180507(R) (2016)



Valentina Brosco, Lara Benfatto, Emmanuele Cappelluti, Claudio Grimaldi
Transport signatures of dominant spin-orbit coupling in two-dimensional materials
Phys. Rev. Lett. 116, 166602 (2016)

Uwe S. Pracht, Nimrod Bachar, Lara Benfatto, Guy Deutscher, Eli Farber, Martin Dressel, Marc Scheffler
Shaping a superconducting dome: Enhanced Cooper-pairing versus suppressed phase coherence in coupled aluminum nanograins
Phys. Rev. B 93, 100503(R) (2016)

P. G. Baity, Xiaoyan Shi, Zhenzhong Shi, L. Benfatto, Dragana Popović,
Effective 2D thickness for the Berezinskii-Kosterlitz-Thouless transition in a highly underdoped La2-xSrxCuO4
Phys. Rev. B 93, 024519 (2016)



T.Cea C. Castellani, G. Seibold and L. Benfatto
Non-relativistic dynamics of the amplitude(Higgs) mode in superconductors
Phys. Rev. Lett. 115, 157002 (2015)

G. Seibold, L. Benfatto, C. Castellani, J. Lorenzana
Charge, amplitude and current correlations of strongly disordered superconductors
Phys. Rev. B 92, 064512 (2015)

Rini Ganguly, Dipanjan Chaudhuri, Pratap Raychaudhuri, Lara Benfatto,
Slowing down of vortex motion in thin NbN films near the superconductor-insulator transition
Phys. Rev. B 91, 054514 (2015)

T. Cea and L. Benfatto,
On the nature of the Higgs (amplitude) mode in the coexisting superconducting and charge-density-wave state
Phys. Rev. B 90, 224515 (2014)

L. Fanfarillo and L. Benfatto,
Anisotropy of the superconducting fluctuations in multiband superconductors: the case of LiFeAs
Supercond. Sci. Technol. 2, 124009 (2014)

E. Cappelluti, L. Benfatto, M. Papagno, D. Pacile, P. M. Sheverdyaeva, and P. Moras
Massless Dirac cones in graphene: Experiments and theory
Ann. Phys. 526, 387 (2014)

T. Cea, D. Bucheli, G. Seibold, L. Benfatto, J. Lorenzana, C. Castellani
Optical excitation of phase modes in strongly disordered superconductors
Phys. Rev. B 89, 174506 (2014)

M. Marciani, L. Fanfarillo, C. Castellani and L. Benfatto,
Legget modes in iron-based superconductors as a probe of Time Reversal Symmetry Breaking
Phys. Rev. B 88, 214508 (2013)

G. Lemarie, A. Kamlapure, D. Bucheli, L. Benfatto, J. Lorenzana, G. Seibold, S. C. Ganguli,
P. Raychaudhuri and C. Castellani,
Universal scaling of the order-parameter distribution in strongly disordered superconductors
Phys. Rev. B 87, 184509 (2013)

Jie Yong, T. Lemberger, L. Benfatto, K. Ilin, M. Siegel,
Robustness of the Berezinskii-Kosterlitz-Thouless Transition in Ultrathin NbN Films near the Superconductor-Insulator Transition,
Phys. Rev. B 87, 184505 (2013)

Mintu Mondal, Anand Kamlapure, Somesh Chandra Ganguli, John Jesudasan, Vivas Bagwe, Lara Benfatto, Pratap Raychaudhuri
Frequency dependent superfluid stiffness in the pseudogap regime in strongly disordered NbN thin films
Scientific Reports 3, 1357 (2013)

L. Benfatto, C. Castellani and T. Giamarchi
Beresinskii-Kosterlitz-Thouless transition within the sine-Gordon approach: the role of the vortex-core energy 
Contributed paper for the book "40 years of  Beresinskii-Kosterlitz-Thouless thoery" edited by Jorge V. José, World Scientific (2013). See also arXiv:1201.2307

E. Cappelluti, L. Benfatto, M. Manzardo, and A. B. Kuzmenko
Charged-phonon theory and Fano effect in the optical spectroscopy of bilayer graphene
Phys. Rev. B 86, 115439 (2012)


L. Fanfarillo, E. Cappelluti, C.Castellani, L. Benfatto
Unconventional Hall effect in pnictides from interband interactions
Phys. Rev. Lett. 109, 096402 (2012).


G. Seibold, L. Benfatto, C. Castellani, J. Lorenzana
Superfluid density and phase relaxation in superconductors with strong disorder
Phys. Rev. Lett. 108, 207004 (2012)


Zhiqiang Li, Chun Hung Lui, Emmanuele Cappelluti, Lara Benfatto, Kin Fai Mak, G. Larry Carr, Jie Shan, Tony F. Heinz
Structurally Dependent Fano Resonances in the Infrared Spectra of Phonons in Few-Layer Graphene
Phys. Rev. Lett. 108, 156801 (2012)

E. Cappelluti, L. Benfatto and A. B. Kuzmenko
Spectral Properties of Optical Phonons in Bilayer Graphene
GraphITA 2011, Carbon Nanostructures,  27, 2012.

Madhavi Chand, Garima Saraswat, Anand Kamlapure, Mintu Mondal, Sanjeev Kumar, John Jesudasan, Vivas Bagwe, Lara Benfatto, Vikram Tripathi, Pratap Raychaudhuri
Phase diagram of a strongly disordered s-wave superconductor, NbN, close to the metal-insulator transition
Phys. Rev. B 85, 014508 (2012)

L. Fanfarillo, L. Benfatto and C. Castellani
Current-current Fermi-liquid corrections to the superconducting fluctuations on conductivity and diamagnetism
Phys. Rev. B 85, 024507 (2012)


Mintu Mondal, Sanjeev Kumar, Madhavi Chand, Anand Kamlapure, Garima Saraswat, G. Seibold, L. Benfatto, Pratap Raychaudhuri
Role of the vortex-core energy on the Beresinkii-Kosterlitz-Thouless transition in thin films of NbN
Phys. Rev. Lett. 107, 217003 (2011)

M. Chand, M. Mondal, A. Kamlapure, G. Saraswat,  A. Mishra, J. Jesudasan, V. Bagwe, S. Kumar, V. Tripathi, L. Benfatto and P. Raychaudhuri, 
Effect of phase fluctuations on the superconducting properties of strongly disordered 3D NbN thin films
Journal of Physics Conference Series 273, 012071 (2011)

S. Caprara, M. Grilli, L. Benfatto and C. Castellani,
Effective medium theory for superconducting layers: A systematic analysis including space correlation effects
Phys. Rev. B 84, 014514 (2011)

L. Benfatto, E. Cappelluti, L. Ortenzi and L. Boeri,
Extended Drude model and role of interband transition in the mid-infrared spectra of pnictides
Phys. Rev. B 83, 224514 (2011)


I. Raicevic, Dragana Popovic, C. Panagopoulos, L. Benfatto, M. B. Silva Neto, E. S. Choi, T. Sasagawa, 
Skyrmions in a Doped Antiferromagnet,

Phys. Rev. Lett. 106, 227206 (2011)

L. Benfatto and E. Cappelluti,
Effects of Fermi-surface shrinking on the optical sum rule in pnictides
Phys. Rev. B 83, 104516 (2011)


Mintu Mondal, Anand Kamlapure, Madhavi Chand, Garima Saraswat, Sanjeev Kumar, John Jesudasan, L. Benfatto, Vikram Tripathi, Pratap Raychaudhuri
Phase fluctuations in a strongly disordered s-wave superconductor close to the metal-insulator transition
Phys. Rev. Lett. 106, 047001 (2011)


E. Cappelluti, L. Ortenzi, L. Benfatto and L. Pietronero,
Fermi surface shrinking, band shifts and interband coupling in iron-based pnictides

Physica C, 470, S508-S510 (2010)

E. Cappelluti, L. Benfatto and A. Kuzmenko,
Combined Fano-Rice effect and phonon switching in optical spectra of bilayer graphene
Phys. Rev. B 82, 041402(R) (2010)


A. Kamlapure, M. Mondal, M. Chand, A. Mishra, J. Jesudasan, V. Bagwe, L. Benfatto, V. Tripathi and P. Raychaudhuri, 
Penetration depth and tunneling studies in very thin epitaxial NbN films 
Appl. Phys. Lett. 96, 072509 (2010)


L.Benfatto, E.Cappelluti and C.Castellani.
Spectroscopic and thermodynamic properties in a four-band model for pnictides,

Phys. Rev. B 80, 214522 (2009)

L. Benfatto,  C. Castellani and T. Giamarchi,
Broadening of the Beresinkii-Kosterlitz-Thouless superconducting transition by inhomogeneity and finite-size effects

Phys. Rev. B 80, 214506 (2009)


A. B. Kuzmenko, L. Benfatto, E. Cappelluti, I. Crassee, D. van der Marel, P. Blake, K. S. Novoselov, A. K. Geim,
Gate tunable charged-phonon effect in bilayer graphene,

Phys. Rev. Lett. 103, 116804 (2009)


L. Ortenzi, E.Cappeluti, L. Benfatto, and L.Pietronero,
Fermi surface shrinking and interband coupling in iron-based pnictides,
Phys. Rev. Lett. 103, 046404 (2009)

L. Fanfarillo, L. Benfatto, S. Caprara, C. Castellani, and M. Grilli
Theory of fluctuation conductivity from interband pairing in pnictide superconductors,
Phys. Rev. B 79, 172508 (2009)

E. Cappelluti, L. Benfatto,
Vertex renormalization in dc conductivity of doped chiral graphene,
Phys. Rev. B. 79, 035419 (2009)

L. Benfatto,  M. Capone, S. Caprara, C. Castellani and C. Di Castro,
Multiple Gaps and Superfluid Density from Interband Pairing in Iron Oxypnictides,
Phys. Rev. B 78, 140502(R) (2008)

L. Benfatto,  E. Cappelluti,
Spectroscopic signatures of massless gap opening in graphene,
Phys. Rev. B 78, 115434 (2008)

L. Benfatto,  S.G.Sharapov and J.P.Carbotte,
Robustness of the optical-conductivity sum rule in bilayer graphene,
Phys. Rev. B 77, 125422 (2008)

L. Benfatto,  C. Castellani and T. Giamarchi,
Doping dependence of the vortex-core energy in bilayer films of cuprates,
Phys. Rev. B 77, 100506(R) (2008)

Valeri N. Kotov, Oleg P. Sushkov, M. B. Silva Neto, L. Benfatto, and A. H. Castro Neto,
Negative Hopping Magnetoresistance and Dimensional Crossover in Lightly Doped Cuprates,
Phys. Rev. B. 76, 224512 (2007)


L. Benfatto,  C. Castellani and T. Giamarchi,
Sine-Gordon description of vortices at finite magnetic field,
Phys. Rev. Lett. 99, 207002 (2007)

M. B. Silva Neto and L. Benfatto,
Impurity susceptibility and the fate of spin-flop transitions in lightly-doped La(2)CuO(4),
Phys. Rev. B 75, 140501(R) (2007)


L. Benfatto,  C. Castellani and T. Giamarchi,
Kosterlitz-Thouless behavior in layered superconductors: the role of the vortex-core energy,
Phys. Rev. Lett. 98, 117008 (2007)

L. Benfatto, J.P.Carbotte, F. Marsiglio,
Temperature Dependence of the Conductivity Sum Rule in the Normal State due to Inelastic Scattering,
Phys. Rev. B 74, 155115 (2006)

L. Benfatto, M. B. Silva Neto, A. Gozar, B. S. Dennis, G. Blumberg, L. L. Miller, Seiki Komiya, Yoichi Ando,
Field dependence of the magnetic  spectrum in anisotropic and Dzyaloshinskii-Moriya antiferromagnets: II. Raman Spectroscopy,
Phys. Rev. B 74, 024416 (2006)

L. Benfatto, and M. B. Silva Neto,
Field dependence of the magnetic  spectrum in anisotropic and Dzyaloshinskii-Moriya antiferromagnets: I. Theory,
Phys. Rev. B 74, 024415 (2006)

L. Benfatto and S. Sharapov,
Optical-conductivity sum rule in cuprates and unconventional charge density waves: a short review,
invited paper for a special issue of "Low Temperature Physics" devoted to 20 years
from the discovery of high-Tc superconductivity, 
Low Temp. Phys. 32,  533-545 (2006) (Fiz. Niz. Temp. 32, 700 (2006))

L. Benfatto, M. B. Silva Neto, V. Juricic, and C. Morais Smith,
Derivation of the generalized Non Linear Sigma Model in the presence of the Dzyaloshinskii-Moriya interaction,
Physica B 378, 449 (2006)

M. B. Silva Neto, L. Benfatto, V. Juricic, and C. Morais Smith,
Magnetic susceptibility anisotropies in a two-dimensional quantum Heisenberg antiferromagnet with Dzyaloshinskii-Moriya interactions
Phys. Rev. B 73, 045132 (2006)


M. B. Silva Neto and L. Benfatto,
One-magnon Raman scattering in  La2CuO4: the origin of the field-induced mode, 
Phys. Rev. B 72, 140401(R), 2005

V. Juricic, L. Benfatto, A. O. Caldeira, and C. Morais Smith,
Dissipative dynamics of topological defects in frustrated Heisenberg spin systems
Phys. Rev. B 71, 064421 (2005)

L. Benfatto, S. Sharapov, N. Andrenacci and H. beck,
Ward identity and optical-conductivity sum rule in the d-density wave state,
Phys. Rev. B 71, 104511 (2005)

L. Benfatto and C. Morais Smith,
Optical response for a discrete stripe,
Physica C 408-410, 453 (2004)


V. Juricic, L. Benfatto, A. O. Caldeira, and C. Morais Smith,
Dynamics of topological defects in a spiral: a scenario for the spin-glass phase of cuprates,
Phys. Rev. Lett. 92, 137202 (2004)

L. Benfatto, S. G. Sharapov and H. Beck,
Effect of orbital currents on the restricted optical sum rule,
Eur. Phys. J. B 39, 469 (2004)


L. Benfatto and C. Morais Smith
Signature of stripe pinning in optical conductivity,
Phys. Rev. B 68, 184513 (2003)

L. Benfatto, A. Toschi, and S. Caprara,
Phase-fluctuation contribution to the depletion of the superfluid stiffness in continuum and lattice models for superconductors,
Phys. Rev. B. 69, 184510 (2004)

L. Benfatto, A. Toschi, and S. Caprara,
Absence of phase-fluctuation contribution to the low-frequency optical conductivity in d-wave superconductors at zero temperature,
J. of Sup. 15, 517 (2002)

L. Benfatto, A. Toschi, S. Caprara, and C. Castellani,
Coherence length in superconductors from weak to strong coupling,
Phys. Rev. B 66, 054515 (2002)

L. Benfatto, A. Toschi, S. Caprara, and C. Castellani,
Phase fluctuations in superconductors: from Galilean invariant to quantum XY models,
Phys. Rev. B 64,140506(R) (2001)

L. Benfatto, S. Caprara, C. Castellani, A. Paramekanti, and M. Randeria,
Phase fluctuations, dissipation and superfluid stiffness in d-wave superconductors,
Phys. Rev. B 63,174513 (2001)

L. Benfatto, S. Caprara,
Gap and pseudogap evolution in underdoped cuprates,
Int. J. of Mod. Phys. B 14, 3006 (2000)

L. Benfatto, S. Caprara, C. Di Castro,
Gap and pseudogap evolution within the charge-ordering scenario for superconducting cuprates,
Eur. Phys. J. B 17, 95 (2000)

C. Di Castro, L. Benfatto, S. Caprara, C. Castellani, M. Grilli,
The physics of the stripe quantum critical point in the superconducting cuprates,
Physica C 341-348, 1715 (2000)

L. Benfatto, S. Caprara, A. Perali,
The pseudogap state in high-T_c superconductors,
Physica A 280, 185 (2000)

L. Benfatto, A. Perali, C. Castellani, M. Grilli,
Kosterlitz-Thouless vs Ginzburg-Landau description of 2D superconducting fluctuations,
Eur. Phys. J. B 13, 609 (2000)