Mario Cuoco

Electrically Tunable Superconductivity Through Surface Orbital Polarization

Maria Teresa Mercaldo, Paolo Solinas, Francesco Giazotto +1

We investigate the physical mechanisms for achieving an electrical control of conventional spin-singlet superconductivity in thin films by focusing on the role of surface orbital p…

cond-mat.mes-hall2018

A topological quantum pump in serpentine-shaped semiconducting narrow channels

Sudhakar Pandey, Niccolo' Scopigno, Paola Gentile +2

We propose and analyze theoretically a one-dimensional solid-state electronic setup that operates as a topological charge pump in the complete absence of superimposed oscillating l…

Odd-frequency triplet pairing in mixed-parity superconductors

Paola Gentile, Canio Noce, Alfonso Romano +3

We show that mixed-parity superconductors may exhibit equal-spin pair correlations that are odd-in-time and can be tuned by means of an applied field. The direction and the amplitu…

cond-mat.mes-hall2026

Probing the quantum metric of 3D topological insulators

Giacomo Sala, Emanuele Longo, Maria Teresa Mercaldo +5

The surface states of 3D topological insulators possess geometric structures that imprint distinctive signatures on electronic transport. A prime example is the Berry curvature, wh…

Multiple-q current states in a multicomponent superconducting channel

Yuriy Yerin, Stefan-Ludwig Drechsler, Mario Cuoco +1

It is well-established that multicomponent superconductors can host different nonstandard phenomena such as broken-time reversal symmetry (BTRS) states, exotic Fulde-Ferrell-Larkin…

Tuning Pairing Amplitude and Spin-Triplet Texture by Curving Superconducting Nanostructures

Zu-Jian Ying, Mario Cuoco, Carmine Ortix +1

We investigate the nature of the superconducting state in curved nanostructures with Rashba spin-orbit coupling (RSOC). In bent nanostructures with inhomogeneous curvature we find…

The quantum metric of electrons with spin-momentum locking

Giacomo Sala, Maria Teresa Mercaldo, Klevis Domi +4

Quantum materials are characterized by electromagnetic responses intrinsically linked to the geometry and topology of electronic wavefunctions, encoded in the quantum metric and Be…

cond-mat.mes-hall2016

Designing Electron Spin Textures and Spin Interferometers by Shape Deformations

Zu-Jian Ying, Paola Gentile, Carmine Ortix +1

We demonstrate that the spin orientation of an electron propagating in a one-dimensional nanostructure with Rashba spin-orbit (SO) coupling can be manipulated on demand by changing…

cond-mat.str-el2026

Unveiling Hidden Magnons with Anomalous Rotational Symmetry

Dirk Wulferding, Francesco Gabriele, Wojciech Brzezicki +7

Correlated materials with competing spin-orbit and crystal-field interactions can host composite spin-orbital magnons that are highly susceptible to structural and electronic pertu…

cond-mat.str-el2025

Sign competing sources of Berry curvature and anomalous Hall conductance humps in topological ferromagnets

Wojciech Brzezicki, Carmine Autieri, Mario Cuoco

The use of Berry-phase concepts has established a strong link between the anomalous Hall effect (AHE) and the topological character of the Hall currents. However, the occurrence of…

Synthetic Weyl Points and Chiral Anomaly in Majorana Devices with Nonstandard Andreev-Bound-State Spectra

Panagiotis Kotetes, Maria Teresa Mercaldo, Mario Cuoco

We demonstrate how to design various nonstandard types of Andreev-bound-state (ABS) dispersions, via a composite construction relying on Majorana bound states (MBSs). Here, the MBS…

cond-mat.supr-con2022

Nodal superconducting exchange coupling

Angelo Di Bernardo, Sachio Komori, Giorgio Livanas +4

The superconducting equivalent of giant magnetoresistance, involves placing a thin-film superconductor between two ferromagnetic layers. A change of magnetization-alignment in such…

cond-mat.supr-con2000

Effect of magnetic fluctuations on the normal state properties of Sr_2RuO_4

Canio Noce, Gaetano Busiello, Mario Cuoco

We investigate the normal state transport properties of Sr $_{2}$ RuO $_{4}$ and we show that a consistent explanation of the experimental results can be obtained assuming that the syste…

cond-mat.str-el2017

Topological Gapless Phases in Non-Symmorphic Antiferromagnets

Wojciech Brzezicki, Mario Cuoco

Topologically protected fermionic quasiparticles occur in metals with band degeneracy as a consequence of band structure topology. Here we unveil topological semimetal and metal ph…

Nodal S-wave Superconductivity in Antiferromagnetic Semimetals

Wojciech Brzezicki, Mario Cuoco

We investigate the impact of s-wave spin-singlet pairing on antiferromagnetic semimetals with Dirac points or nodal loops at the Fermi level. The electron pairing is generally show…

Sign reversal diode effect in superconducting Dayem nanobridges

Daniel Margineda, Alessandro Crippa, Elia Strambini +4

Supercurrent diodes are nonreciprocal electronic elements whose switching current depends on their flow direction. Recently, a variety of composite systems combining different mate…

cond-mat.str-el1999

Theoretical study of the optical conductivity of $I^\pm^{'} - N a V_{2} O_{5}$

Mario Cuoco, Peter Horsch, Frank Mack

Using finite temperature diagonalization techniques it is shown that the quarter-filled t-J-V model on a trellis lattice structure provides a quantitative explanation of the highly…

Back-action supercurrent diodes

Daniel Margineda, Alessandro Crippa, Elia Strambini +8

Back-action refers to a response that retro-acts on a system to tailor its properties with respect to an external stimulus. This effect is at the heart of many electronic devices s…

cond-mat.str-el2023

Pattern Formation by Electric-field Quench in Mott Crystal

Nicolas Gauquelin, Filomena Forte, Daen Jannis +10

The control of Mott phase is intertwined with the spatial reorganization of the electronic states. Out-of-equilibrium driving forces typically lead to electronic patterns that are…

cond-mat.mes-hall2023

Designing spin and orbital sources of Berry curvature at oxide interfaces

Edouard Lesne, Yildiz G. SaÇ§lam, Raffaele Battilomo +8

Quantum materials can display physical phenomena rooted in the geometry of electronic wavefunctions. The corresponding geometric tensor is characterized by an emergent field known…

cond-mat.str-el2015

Novel Spin-Orbital Phases Induced by Orbital Dilution

Wojciech Brzezicki, Mario Cuoco, Andrzej M. OleÅ

We demonstrate that magnetic $3 d$ impurities with $S = 3/2$ spins and no orbital degree of freedom induce changes of spin-orbital order in a $4 d^{4}$ Mott insulator with $S = 1$ spins. I…

Charge and spin transport through a ferromagnet/insulator/unconventional superconductor junction

Gaetano Annunziata, Mario Cuoco, Paola Gentile +2

We analyze the charge and spin transport through a ballistic ferromagnet/insulator/superconductor junction by means of the Bogoliubov-de Gennes equations. For the ferromagnetic sid…

cond-mat.str-el2024

Unveiling unconventional magnetism at the surface of Sr $_{2}$ RuO $_{4}$

Rosalba Fittipaldi, Roman Hartmann, Maria Teresa Mercaldo +23

Materials with strongly correlated electrons exhibit physical properties that are often difficult to predict as they result from the interactions of large numbers of electrons comb…

Unveiling Mechanisms of Electric Field Effects on Superconductors by Magnetic Field Response

Lennart Bours, Maria Teresa Mercaldo, Mario Cuoco +2

We demonstrate that superconducting aluminium nano-bridges can be driven into a state with complete suppression of the critical supercurrent via electrostatic gating. Probing both…

cond-mat.mes-hall2022

Activating magnetoelectric optical properties by twisting antiferromagnetic bilayers

Kunihiro Yananose, Paolo G. Radaelli, Mario Cuoco +2

Twisting in bilayers introduces structural chirality with two enantiomers, i.e., left- and right-hand bilayers, depending on the oriented twist angle. The interplay between this gl…

cond-mat.supr-con2026

Transverse Magnetic Response from Orbitally Polarized Cooper Pairs in Elemental Superconductors

Gabor Csire, Maria Teresa Mercaldo, Balazs Ujfalussy +2

We demonstrate how crystalline symmetry lowering, as for instance through strain, allows elemental superconductors such as vanadium and niobium to realize spin-singlet orbitally po…

Diode effect in the Fraunhofer pattern of disordered planar Josephson junctions

Luca Chirolli, Angelo Greco, Alessandro Crippa +4

The Josephson diode effect describes the property of a Josephson junction to have different values of the critical current for different direction of applied bias current and it is…

cond-mat.supr-con2018

Josephson Current in Rashba-based Superconducting Nanowires with Geometric Misalignment

Zu-Jian Ying, Mario Cuoco, Paola Gentile +1

We investigate the properties of a weak link between two Rashba-based superconducting nanowires with geometric misalignment. By applying an external magnetic field the system can b…

cond-mat.supr-con2021

Gate-control of the current-flux relation of a Josephson quantum interferometer based on proximitized metallic nanojuntions

Giorgio De Simoni, Sebastiano Battisti, Nadia Ligato +3

We demonstrate an Al superconducting quantum interference device in which the Josephson junctions are implemented through gate-controlled proximitized Cu mesoscopic weak-links. The…

Orbital tunable 0- $I ¨ $ transitions in Josephson junctions with noncentrosymmetric topological superconductors

Yuri Fukaya, Yada Keiji, Yukio Tanaka +2

We investigate the Josephson transport properties in a Josephson junction consisting of a conventional $s$ -wave superconductor coupled to a multi-orbital noncentrosymmetric superco…

Triplet superconductivity by the orbital Rashba effect at surfaces of elemental superconductors

Tom G. Saunderson, Martin Gradhand, Dongwook Go +6

It is often assumed that in a superconductor without spin-triplet pairing, the formation of unconventional spin-triplet densities requires the spin-orbit interaction in combination…

Anomalous Josephson Coupling and High-Harmonics in Non-Centrosymmetric Superconductors with $S$ -wave Spin-Triplet Pairing

Yuri Fukaya, Yukio Tanaka, Paola Gentile +2

We study the Josephson effects arising in junctions made of non-centrosymmetric superconductors with spin-triplet pairing having $s$ -wave orbital-singlet symmetry. We demonstrate t…

Spin and orbital Edelstein effect in spin-orbit coupled noncentrosymmetric superconductor

Satoshi Ando, Yukio Tanaka, Mario Cuoco +2

Superconductors without inversion symmetry can exhibit a non-zero magnetization when a supercurrent is present, leading to non-dissipative magnetoelectric effects. Here, we focus o…

cond-mat.mes-hall2015

Edge states and topological insulating phases generated by curving a nanowire with Rashba spin-orbit coupling

Paola Gentile, Mario Cuoco, Carmine Ortix

We prove that curvature effects in low-dimensional nanomaterials can promote the generation of topological states of matter by considering the paradigmatic example of quantum wires…

cond-mat.str-el2019

Anomalous orbital moment in the ferromagnetic phase of the Sr4Ru3O10

Filomena Forte, Lucia Capogna, Veronica Granata +3

The coupling of spin and orbital degrees of freedom in the trilayer Sr4Ru3O10 sets a long-standing puzzle, due to the peculiar anisotropic coexistence of out-of-plane ferromagnetis…

cond-mat.str-el2025

Hallmarks of spin textures for high-harmonic generation in two-dimensional materials

Francesco Gabriele, Carmine Ortix, Mario Cuoco +1

Spin-orbit coupling and quantum geometry are fundamental aspects in modern condensed matter physics, with their primary manifestations in momentum space being spin textures and Ber…

Magnetoelectrically-Tunable Andreev-Bound-State Spectra and Spin Polarization in P-Wave Josephson Junctions

Maria Teresa Mercaldo, Panagiotis Kotetes, Mario Cuoco

We demonstrate how the boundary-driven reconstruction of the superconducting order parameter can be employed to manipulate the zero-energy Majorana bound states (MBSs) occurring in…

cond-mat.str-el2024

Signatures of a surface spin-orbital chiral metal

Federico Mazzola, Wojciech Brzezicki, Maria Teresa Mercaldo +20

The relation between crystal symmetries, electron correlations, and electronic structure steers the formation of a large array of unconventional phases of matter, including magneto…

Magnetic manipulation of topological states in p-wave superconductors

Maria Teresa Mercaldo, Mario Cuoco, Panagiotis Kotetes

Substantial experimental investigation has provided evidence for spin-triplet pairing in diverse classes of materials and in a variety of artificial heterostructures. A fundamental…

Controlling Majorana states in topologically inhomogeneous superconductors

Pasquale Marra, Mario Cuoco

Majorana bound states have been recently observed at the boundaries of one-dimensional topological superconductors. Yet, controlling the localization of the Majorana states, which…

cond-mat.mes-hall2019

Geometric driving of two-level quantum systems

Zu-Jian Ying, Paola Gentile, JosÃ© Pablo BaltanÃ s +3

We investigate a class of cyclic evolutions for %the cyclic evolution of driven two-level quantum systems (effective spin-1/2) with a particular focus on the geometric characterist…

cond-mat.supr-con2013

Proximity effects in spin-triplet superconductor-ferromagnet heterostucture with spin-active interface

Damien Terrade, Paola Gentile, Mario Cuoco +1

We study the physical properties of a ballistic heterostructure made of a ferromagnet (FM) and a spin-triplet superconductor (TSC) with a layered structure stacking along the direc…

cond-mat.mtrl-sci2025

Inducing ferromagnetism by structural engineering in a strongly spin-orbit coupled oxide

Ji Soo Lim, Carmine Autieri, Merit Spring +17

Magnetic materials with strong spin-orbit coupling (SOC) are essential for the advancement of spin-orbitronic devices, as they enable efficient spin-charge conversion, complex magn…

quant-ph2019

Phase Diagram and Quench Dynamics in a Spinful Interacting Kitaev Chain

Gianluca Francica, Paola Gentile, Mario Cuoco

We consider an exact solvable interacting spinful Kitaev chain which is a generalization of the Mattis-Nam model. A nearest-neighbor dimerized interaction favoring the production o…

cond-mat.other2025

Filtering Spin and Orbital Moment in Centrosymmetric Systems

Luciano Jacopo DOnofrio, Maria Teresa Mercaldo, Wojciech Brzezicki +4

The control of spin and orbital angular momentum without relying on magnetic materials is commonly accomplished by breaking of inversion symmetry, which enables charge-to-spin conv…

cond-mat.str-el2019

Tuning Crystal Field Potential by Orbital Dilution in $d^{4}$ Oxides

Wojciech Brzezicki, Filomena Forte, Canio Noce +2

We investigate the interplay between Coulomb driven orbital order and octahedral distortions in strongly correlated Mott insulators due to orbital dilution, i.e., doping by metal i…

cond-mat.supr-con2013

Magnetic Intragap States and Mixed Parity Pairing at the Edge of Spin-Triplet Superconductors

Alfonso Romano, Paola Gentile, Canio Noce +2

We show that a spontaneous magnetic moment may appear at the edge of a spin-triplet superconductor if the system allows for pairing in a subdominant channel. To unveil the microsco…

cond-mat.str-el2025

Anomalous spin-optical helical effect in Ti-based kagome metal

Federico Mazzola, Wojciech Brzezicki, Chiara Bigi +32

The kagome lattice stands as a rich platform for hosting a wide array of correlated quantum phenomena, ranging from charge density waves and superconductivity to electron nematicit…

Josephson effect in S/F/S junctions: spin bandwidth asymmetry vs. Stoner exchange

Gaetano Annunziata, Henrik Enoksen, Jacob Linder +3

We analyze the dc Josephson effect in a ballistic superconductor/ferromagnet/superconductor junction by means of the Bogoliubov-de Gennes equations in the quasiclassical Andreev ap…

Probing disorder-induced time-reversal symmetry breaking in Josephson junctions

Yu Wu, Daiqiang Huang, Huanyu Zhang +13

The relation between superconductivity and time-reversal symmetry (TRS) is one of the most fascinating problems in condensed matter physics. Although most superconductors inherentl…

Nonlinear planar magnetotransport as a probe of the topology of surface states

Maria Teresa Mercaldo, Mario Cuoco, Carmine Ortix

It has been recently established that transport measurements in the nonlinear regime can give direct access to the quantum metric (QM): the real part of the quantum geometric tenso…

cond-mat.mtrl-sci2015

Analogy between Jahn-Teller distortion and Rashba spin splitting, and Jahn-Teller counterpart of spin texture

Alessandro Stroppa, Paolo Barone, Domenico Di Sante +3

In developing physical theories analogical reasoning has been found to be very powerful, as attested by a number of important historical examples. An analogy between two apparently…

Does a ferromagnet with spin-dependent masses produce a spin-filtering effect in a ferromagnetic/insulator/superconductor junction?

Gaetano Annunziata, Mario Cuoco, Paola Gentile +2

We analyze charge transport through a ballistic ferromagnet/insulator/superconductor junction by means of the Bogoliubov-de Gennes equations. We take into account the possibility t…

Insulator-to-Metal Transition via Magnetic Reconstruction at Oxide Interfaces

Zengxing Lu, Jiatai Feng, Xuan Zheng +6

Ultrathin two-dimensional (2D) electronic systems at the interfaces of layered materials are highly desirable platforms for exploring of novel quantum phenomena and developing adva…

cond-mat.supr-con2018

Inter-orbital topological superconductivity in spin-orbit coupled superconductors with inversion symmetry breaking

Yuri Fukaya, Shun Tamura, Keiji Yada +3

We study the superconducting state of multi-orbital spin-orbit coupled systems in the presence of an orbitally driven inversion asymmetry assuming that the inter-orbital attraction…

cond-mat.str-el2017

Topological Phases emerging from Spin-Orbital Physics

Wojciech Brzezicki, Mario Cuoco, Filomena Forte +1

We study the evolution of spin-orbital correlations in an inhomogeneous quantum system with an impurity replacing a doublon by a holon orbital degree of freedom. Spin-orbital entan…

Supercurrent rectification with time-reversal symmetry broken multiband superconductors

Yuriy Yerin, Stefan-Ludwig Drechsler, A. A. Varlamov +2

We consider nonreciprocal supercurrent effects in Josephson junctions based on multiband superconductors with a pairing structure that can break time-reversal symmetry. We demonstr…

Topological phase transitions in superconductors with chiral symmetry

Kristian LÃ¸vÃ¥s Svalland, Maria Teresa Mercaldo, Mario Cuoco

We study topological transitions in one dimensional superconductors that can harbor multiple edge Majorana bound states protected by chiral symmetry. The chiral symmetry arises due…

cond-mat.supr-con2021

Spectroscopic Signatures of Gate-Controlled Superconducting Phases

Maria Teresa Mercaldo, Francesco Giazotto, Mario Cuoco

We investigate the tunneling conductance of superconductor-insulator-normal metal (SIN) and superconductor-insulator-superconductor (SIS) heterostructures with one superconducting…

cond-mat.str-el2017

Driving Topological Phases by Spatially Inhomogeneous Pairing Centers

Wojciech Brzezicki, Andrzej M. OleÅ, Mario Cuoco

We investigate the effect of periodic and disordered distributions of pairing centers in a one-dimensional itinerant system to obtain the microscopic conditions required to achieve…

cond-mat.supr-con2022

Odd-frequency pairing in a nonunitary p-wave superconductor with multiple Majorana fermions

Daijiro Takagi, Maria Teresa Mercaldo, Yukio Tanaka +1

Odd-frequency Cooper pairs are gathering attention for the convenience of investigating the edge state of topological superconductors including Majorana fermions. Although a spinle…

Nodal Andreev Spectra in Multi-Majorana Three-Terminal Josephson Junctions

Keimei Sakurai, Maria Teresa Mercaldo, Shingo Kobayashi +6

We investigate the Andreev-bound-state (ABS) spectra of three-terminal Josephson junctions which consist of 1D topological superconductors (TSCs) harboring multiple zero-energy edg…

Topological superconducting phases and Josephson effect in curved time-reversal-invariant superconductors

Gianluca Francica, Mario Cuoco, Paola Gentile

We consider a Rashba spin-orbit coupled nanowire with anisotropic spin-singlet superconducting pairing and time-reversal-invariant symmetry. We explore the evolution of the topolog…

cond-mat.supr-con2014

Control of Edge Currents at a Ferromagnet - Triplet Superconductor Interface by Multiple Helical Majorana Modes

Damien Terrade, Dirk Manske, Mario Cuoco

We study the spin and charge currents flowing at the interface of an itinerant ferromagnet with a topological spin-triplet superconductor having different number of time-reversal-i…

cond-mat.supr-con2010

Spin-sensitive Long-ranged Proximity Effect for Triplet Superconductors

Gaetano Annunziata, Mario Cuoco, Canio Noce +2

The discovery of noncentrosymmetric superconductors, such as CePt $_{3}$ Si, and chiral superconductors, such as Sr $_{2}$ RuO $_{4}$ , calls for experimental methods to identify the presence…

High orbital-moment Cooper pairs by crystalline symmetry breaking

Maria Teresa Mercaldo, Carmine Ortix, Mario Cuoco

The pairing structure of superconducting materials is regulated by the point group symmetries of the crystal. Here, we study spin-singlet multiorbital superconductivity in material…

cond-mat.mes-hall2023

Microscopic theory of supercurrent suppression by gate-controlled surface depairing

Subrata Chakraborty, Danilo NikoliÄ, Juan Carlos Cuevas +5

Recently gate-mediated supercurrent suppression in superconducting nano-bridges has been reported in many experiments. This could be either a direct or an indirect gate effect. The…

cond-mat.supr-con2008

Coexistence of itinerant ferromagnetism and a non-unitary superconducting state with line nodes: possible application to UGe $_{2}$

Jacob Linder, Iver B. Sperstad, Andriy Nevidomskyy +2

We construct a mean-field theory for itinerant ferromagnetism coexisting with a non-unitary superconducting state, where only the majority-spin band is gapped and contains line nod…

cond-mat.supr-con2022

Frustration driven Josephson phase dynamics

Claudio Guarcello, Luca Chirolli, Maria Teresa Mercaldo +2

The Josephson equations predict remarkable effects concerning the phase state of a superconducting junction with an oscillating current induced by a static voltage. Whether the par…

cond-mat.supr-con2018

Topological signatures of the coexistence of antiferromagnetism and odd-parity spin-triplet superconductivity

Maria Teresa Mercaldo, Panagiotis Kotetes, Mario Cuoco

Strongly correlated systems exhibit a rich phenomenology due to the antagonism of a diversity of ordered phases. The aftermath of this interplay can lead to a coexistence which tak…

cond-mat.str-el2024

Bilayer orthogonal ferromagnetism in CrTe $_{2}$ -based van der Waals system

Chiara Bigi, Cyriack Jego, Vincent Polewczyk +19

Systems with pronounced spin anisotropy play a pivotal role in advancing magnetization switching and spin-wave generation mechanisms, which are fundamental for spintronic technolog…

cond-mat.mtrl-sci2026

Competing magnetic states in a non-coplanar Kagome magnet

Xiaodong Hu, Amar Fakhredine, Roger Guzman +15

Non-collinear Kagome antiferromagnets (AFMs) Mn3X (X = Sn, Ga, Ge, Ir, Pt) can generate an anomalous Hall effect (AHE) despite vanishing net magnetization, enabled by broken time-r…

cond-mat.supr-con2016

Magnetic-Field-Induced Topological Reorganization of a P-wave Superconductor

Maria Teresa Mercaldo, Mario Cuoco, Panagiotis Kotetes

In this work we illustrate the detrimental impact of the Cooper pair's spin-structure on the thermodynamic and topological properties of a spin-triplet superconductor in an applied…

Colossal orbital-Edelstein effect in non-centrosymmetric superconductors

Luca Chirolli, Maria Teresa Mercaldo, Claudio Guarcello +2

In superconductors that lack inversion symmetry, the flow of supercurrent can induce a non-vanishing magnetization, a phenomenon which is at the heart of non-dissipative magneto-el…

cond-mat.mtrl-sci2023

Materials challenges for SrRuO3: from conventional to quantum electronics

Mario Cuoco, Angelo Di Bernardo

The need for faster and more miniaturised electronics is challenging scientists to develop novel forms of electronics based on quantum degrees of freedom different from electron ch…

cond-mat.str-el2002

Origin of the Optical Gap in Half-Doped Manganites

Mario Cuoco, Canio Noce, Andrzej M. Oles

We have analyzed the coexisting charge and orbital ordering in half-doped manganites using a model which includes Coulomb and Jahn-Teller orbital polarization interactions. Most su…

Supercurrent Diode Effect in Josephson Interferometers with Multiband Superconductors

Yuriy Yerin, Stefan-Ludwig Drechsler, A. A. Varlamov +2

We investigate nonreciprocal supercurrent phenomena in superconducting quantum interference devices (SQUIDs) that integrate Josephson junctions with single and multiband order para…

Spin-orbit coupling effects on the electronic properties of the pressure-induced superconductor CrAs

Giuseppe Cuono, Carmine Autieri, Giuseppe Guarnaccia +4

We present the effects of spin-orbit coupling on the low-energy bands and Fermi surface of the recently discovered pressure-induced superconductor CrAs. We apply the LÃ¶wdin down-f…

Multiple band-crossings and Fermi surface topology: role of double nonsymmorphic symmetries in MnP-type crystal structures

Giuseppe Cuono, Filomena Forte, Mario Cuoco +4

We use relativistic ab-initio methods combined with model Hamiltonian approaches to analyze the normal-phase electronic and structural properties of the recently discovered WP supe…

cond-mat.mes-hall2026

Spin selectivity induced by non-collinear spins in Rashba wires

Luciano Jacopo D'Onofrio, Maria Teresa Mercaldo, Mario Cuoco +1

We report a previously overlooked general mechanism to obtain highly efficient spin selectivity in conventional time-reversal symmetric one-dimensional systems without invoking pha…

cond-mat.str-el2000

Phenomenological model for magnetotransport in a multi-orbital system

Canio Noce, Mario Cuoco

By means of the Boltzmann equation, we have calculated some magnetotransport quantities for the layered multi-orbital compound Sr $_{2}$ RuO $_{4}$ . The Hall coefficient, the magnetoresis…

Spin-Orbital Hallmarks of Unconventional Superconductors Without Inversion Symmetry

Yuri Fukaya, Shun Tamura, Keiji Yada +3

The spin-orbital polarization of superconducting excitations in momentum space is shown to provide distinctive marks of unconventional pairing in the presence of inversion symmetry…

cond-mat.supr-con2021

Zero magnetic-field orbital vortices in s-wave spin-singlet superconductors

Maria Teresa Mercaldo, Carmine Ortix, Francesco Giazotto +1

Breaking of time-reversal and point-group spatial symmetries can have a profound impact on superconductivity. One of the most extraordinary effects, due to the application of a mag…

Imaging orbital Rashba induced charge transport anisotropy

Eylon Persky, Xi Wang, Giacomo Sala +8

Identifying orbital textures and their effects on the electronic properties of quantum materials is a critical element in developing orbitronic devices. However, orbital effects ar…

Magnetic exchange interaction in spin-valve with chiral spin-triplet superconductor

Alfonso Romano, Canio Noce, Mario Cuoco

The coupling between two ferromagnets separated by a superconductor has been mostly investigated for the case of Cooper pairs with spin-singlet symmetry. Here, we consider a spin-t…

cond-mat.str-el2023

Spin-orbital mechanisms for negative thermal expansion in Ca2RuO $_{4}$

Wojciech Brzezicki, Filomena Forte, Canio Noce +2

The phenomenon of negative thermal expansion (NTE) deals with the increase of the lattice parameters and the volume of the unit cell when the material is thermally cooled. The NTE…

Particle-hole spectral asymmetry at the edge of multiorbital noncentrosymmetric superconductors

Yuri Fukaya, Keiji Yada, Yukio Tanaka +2

Bogoliubov quasiparticles are a coherent electron-hole quantum superposition which typically, for time-reversal symmetric superconductors, exhibit a spectral distribution with part…

cond-mat.mes-hall2022

Electronic materials with nanoscale curved geometries

Paola Gentile, Mario Cuoco, Oleksii M. Volkov +4

Research into electronic nanomaterials has recently seen a growing focus into the synthesis of structures with unconventional curved geometries including bent wires in planar syste…

cond-mat.str-el2002

Generalized hole-particle transformations and spin reflection positivity in multi-orbital systems

Mario Cuoco, Canio Noce

We propose a scheme combining spin reflection positivity and generalized hole-particle and orbital transformations to characterize the symmetry properties of the ground state for s…

Dirac surface states, multiorbital dimerization and superconductivity in Nb- and Ta-based A15 compounds

Raghottam M. Sattigeri, Giuseppe Cuono, Ghulam Hussain +5

Using first-principle calculations, we investigate the electronic, topological and superconducting properties of Nb $_{3}$ X (X = Ge, Sn, Sb) and Ta $_{3}$ Y (Y = As, Sb, Bi) A15 compounds…