448 citations · 2.2k across the 37 of their papers we have counts for
37 papers
The charge density fluctuations and the Shrinking Fermi Liquid scenario for strange metallicity in cuprates
Sergio Caprara, Sauri Bhattacharyya, Carlo Di Castro +3
We interpret the strange metal (SM) properties of slightly overdoped cuprates in terms of the recently proposed Shrinking Fermi Liquid theory. This is based on the pervading presen…
Tuning the ground state of cuprate high-critical-temperature superconducting thin films by nanofaceted substrates
G. Mirarchi, R. Arpaia, E. Wahlberg +7
Anisotropic transport properties have been assessed in a number of cuprate superconductors, providing evidence for a nematic state. Here, we analyze recent experimental data for ul…
Signature of quantum criticality in cuprates by charge density fluctuations
R. Arpaia, L. Martinelli, M. Moretti Sala +17
The universality of the strange metal phase in many quantum materials is often attributed to the presence of a quantum critical point (QCP), a zero-temperature phase transition rul…
Dynamical charge density waves rule the phase diagram of cuprates
S. Caprara, C. Di Castro, G. Seibold +1
In the last few years charge density waves (CDWs) have been ubiquitously observed in high-temperature superconducting cuprates and are now the most investigated among the competing…
Nematic fluctuations and the magneto-structural phase transition in
Florian Kretzschmar, Thomas Böhm, Una Karahasanović +11
An inelastic light (Raman) scattering study of nematicity and critical fluctuations in () is presented. It is shown that the respon…
Electronic polymers and soft-matter-like broken symmetries in underdoped cuprates
M. Capati, S. Caprara, C. Di Castro +3
Empirical evidence in heavy fermion, pnictide, and other systems suggests that unconventional superconductivity appears associated to some form of real-space electronic order. For…
Self-organized electronic superlattices in layered materials
Carmine Ortix, Carlo Di Castro, José Lorenzana
We show that in layered systems with electronic phase separation tendency, the long-range Coulomb interaction can drive the spontaneous formation of unidirectional superlattices of…
Luttinger liquid, singular interaction and quantum criticality in cuprate materials
C. Di Castro, S. Caprara
With particular reference to the role of the renormalization group approach and Ward identities, we start by recalling some old features of the one-dimensional Luttinger liquid as…
Kinks and waterfalls as signatures of competing order in angle-resolved photoemission spectra of La_{2-x}Sr_xCuO_4
G. Mazza, M. Grilli, C. Di Castro +1
We show that the so-called kinks and waterfalls observed in angle-resolved photoemission spectra of La2-xSrxCuO4, a prototypical high-Tc superconducting cuprate, result from the co…
Hidden Ferronematic Order in Underdoped Cuprates
G. Seibold, M. Capati, C. Di Castro +2
We study a model for low doped cuprates where holes aggregate into oriented stripe segments which have a vortex and an antivortex fixed to the extremes. We argue that due to the in…
Spectral signatures of critical charge and spin fluctuations in cuprates
M. Grilli, S. Caprara, C. Di Castro +4
We discuss how Raman spectra of high temperature superconducting cuprates are affected by nearly-critical spin and charge collective modes, which are coupled to charge carriers nea…
Doping-driven transition to a time-reversal breaking state in the phase diagram of the cuprates
G. Sangiovanni, M. Capone, S. Caprara +3
Motivated by recent tunnelling and Andreev-reflection experiments, we study the conditions for a quantum transition within the superconducting phase of the cuprates,in which a bulk…
Single-particle spectra near a stripe instability
S. Caprara, C. Di Castro, M. Grilli
We analyze the single-particle spectra of a bi-layered electron system near a stripe instability and compare the results with ARPES experiments on the Bi2212 cuprate superconductor…
Strong correlation, electron-phonon interaction and critical fluctuations: Isotope effect, pseudogap formation, and phase diagram of the cuprates
C. Di Castro, M. Grilli, S. Caprara
Within the Hubbard-Holstein model with long-range Coulomb forces, we revisit the charge-ordering scenario for the superconducting cuprates and account for the presence or the absen…
Anomalous optical absorption in overdoped cuprates near the charge-ordering instability
S. Caprara, C. Di Castro, S. Fratini +1
We propose an interpretation for the hump observed in the optical conductivity at or below a few hundreds of cm, in overdoped cuprates like the electron-doped Nd_{2-x}Ce_xCu…
Phase separation frustrated by the long range Coulomb interaction II: Applications
J. Lorenzana, C. Castellani, C. Di Castro
The theory of first order density-driven phase transitions with frustration due to the long range Coulomb (LRC) interaction develop on paper I of this series is applied to the foll…
Anomalous isotopic effect near the charge-ordering quantum criticality
S. Andergassen, S. Caprara, C. Di Castro +1
Within the Hubbard-Holstein model, we evaluate the various crossover lines marking the opening of pseudogaps in the cuprates, which, in our scenario, are ruled by the proximity to…
Phase separation frustrated by the long range Coulomb interaction I: Theory
J. Lorenzana, C. Castellani, C. Di Castro
We analyze the combined effect of the long range Coulomb (LRC) interaction and of surface energy on first order density-driven phase transitions in the presence of a compensating r…
Gap and pseudogap evolution within the charge-ordering scenario for superconducting cuprates
L. Benfatto, S. Caprara, C. Di Castro
We describe the spectral properties of underdoped cuprates as resulting from a momentum-dependent pseudogap in the normal state spectrum. Such a model accounts, within a BCS approa…
Stripe ordering and two-gap model for underdoped cuprates
C. Castellani, C. Di Castro, M. Grilli +1
The evidence of edge-gaps around the M-points in the metallic state of underdoped cuprates has triggered a very active debate on their origin. We first consider the possibility tha…
The physics of the stripe quantum critical point in the superconducting cuprates
C. Di Castro, L. Benfatto, S. Caprara +2
We elaborate on several observable consequences of the Quantum-Critical-Point scenario. In particular we show that the strong k-dependent scattering of the quasiparticles with the…
Two-gap model for underdoped cuprate superconductors
A. Perali, C. Castellani, C. Di Castro +3
Various properties of underdoped superconducting cuprates, including the momentum-dependent pseudogap opening, indicate a behavior which is neither BCS nor Bose-Einstein condensati…
Charge and spin inhomogeneity as a key to the physics of the high Tc cuprates
S. Caprara, C. Castellani, C. Di Castro +2
We present a coherent scenario for the physics of cuprate superconductors, which is based on a charge-driven inhomogeneity, i.e. the ``stripe phase''. We show that spin and charge…
Spectral properties of incommensurate charge-density wave systems
G. Seibold, F. Becca, F. Bucci +3
The concept of frustrated phase separation is applied to investigate its consequences for the electronic structure of the high T_c cuprates. The resulting incommensurate charge den…