12 citations · 65 across the 23 of their papers we have counts for
24 papers
Pairing from repulsive interactions in twisted WSe2 from functional renormalization
Hannes Braun, Dumitru Călugăru, Pietro M. Bonetti +9
Motivated by the observation of superconductivity in twisted bilayer WSe over an extended range of displacement fields, reaching from the correlated insulator down to zero fiel…
Superconducting and charge-ordered phases from Dirac quantum spin liquids on the triangular lattice
Andreas Feuerpfeil, Ronny Thomale, Subir Sachdev +1
Triangular-lattice quantum spin-liquid insulators are observed to undergo transitions to superconductivity under pressure or doping, and exhibit enhanced terahertz conductivity whe…
Superconductivity and fractionalized magnetic excitations in CeCoIn5
Pyeongjae Park, Shang-Shun Zhang, Pietro M. Bonetti +8
Recent experiments on CeCoIn5 -- a prototypical d-wave superconductor -- indicate that its normal state lies near an unconventional quantum critical point (QCP). One intriguing hyp…
Landau and fractionalized theories of periodically driven intertwined orders
Oriana K. Diessel, Subir Sachdev, Pietro M. Bonetti
We obtain the phase diagrams of field theories of intertwined orders in the presence of periodic driving by an external field which preserves all symmetries. We consider both a con…
SU(2) gauge theory of fluctuating stripe order in the two-dimensional Hubbard model
Henrik Müller-Groeling, Pietro M. Bonetti, Paulo Forni +1
We present an SU(2) gauge theory of fluctuating stripe order in the two-dimensional Hubbard model. The theory is based on a fractionalization of the electron operators in fermionic…
Coexisting magnetic, charge, and superconducting orders in the two-dimensional Hubbard model
Robin Scholle, Pietro M. Bonetti, Walter Metzner +1
We perform a renormalized mean-field study of the two-dimensional repulsive Hubbard model, focusing on the intricate interplay and possible coexistence of magnetic, charge, and sup…
Exactly Solvable Models Hosting Altermagnetic Quantum Spin Liquids
João Augusto Sobral, Pietro M. Bonetti, Subrata Mandal +1
We construct spin- and spin- models on the square-octagon and checkerboard lattices that are exactly solvable with Majorana representations. They give rise to spin-liquid…
SC Superconductivity and Spin Stiffnesses in the SU(2) Gauge Theory of the Two-Dimensional Hubbard Model
Demetrio Vilardi, Pietro M. Bonetti
We consider the SU(2) gauge theory for spin fluctuations in the two-dimensional Hubbard model, where the electron field is fractionalized in terms of spinons and chargons. In this…
Steady-states and response functions of the periodically driven O(N) scalar field theory
Oriana K. Diessel, Subir Sachdev, Pietro M. Bonetti
We investigate the phase diagram of a relativistic, parametrically driven O()-symmetric theory coupled to a Markovian thermal bath. Our analysis reveals a rich variety of phases…
Fermionic spinon theory of the hourglass spin excitation spectrum of the cuprates
Alexander Nikolaenko, Pietro M. Bonetti, Subir Sachdev
We present a theory for the spin fluctuation spectrum of the hole-doped cuprates in a ground state with period 4 unidirectional charge density wave (`stripe') order. Motivated by r…
Spin susceptibility in a pseudogap state with fluctuating spiral magnetic order
Paulo Forni, Pietro M. Bonetti, Henrik Müller-Groeling +2
We compute the electron spin susceptibility in the pseudogap regime of the two-dimensional Hubbard model in the framework of a SU(2) gauge theory of fluctuating magnetic order. The…
Fractionalized Fermi liquids and the cuprate phase diagram
Pietro M. Bonetti, Maine Christos, Alexander Nikolaenko +2
We review a theoretical framework for the cuprate superconductors, rooted in a fractionalized Fermi liquid (FL*) description of the intermediate-temperature pseudogap phase at low…
Thermal SU(2) lattice gauge theory for intertwined orders and hole pockets in the cuprates
Harshit Pandey, Maine Christos, Pietro M. Bonetti +3
The cuprate pseudogap phase displays Fermi arc spectral weight in photoemission and scanning tunneling microscopy (STM), while recent magnetotransport observations yield evidence f…
Spin stiffnesses and stability of magnetic order in the lightly doped two-dimensional Hubbard model
Demetrio Vilardi, Pietro M. Bonetti, Walter Metzner
We analyze the density dependence of the spin stiffnesses and the stability of magnetic order with respect to quantum fluctuations in the two-dimensional Hubbard model close to hal…
Finite-momentum pairing and superlattice superconductivity in valley-imbalanced rhombohedral graphene
Maine Christos, Pietro M. Bonetti, Mathias S. Scheurer
Inspired by the recent experimental discovery of superconductivity emerging from a time-reversal symmetry-breaking normal state in tetralayer rhombohedral graphene, we here investi…
Spin and pair density waves in 2D altermagnetic metals
Nikolaos Parthenios, Pietro M. Bonetti, Rafael González-Hernández +3
Altermagnetism, a recently proposed and experimentally confirmed class of magnetic order, features collinear compensated magnetism with unconventional d-, g-, or i-wave spin order.…
Canted magnetism and fractionalization in metallic states of the Lieb lattice Hubbard model near quarter filling
Alexander Nikolaenko, Pietro M. Bonetti, Anant Kale +3
A recent experiment has examined ultracold, fermionic, spin-1/2 Li atoms in the Lieb lattice at different Hubbard repulsion and filling fractions (Lebrat et al. arXiv:2…
Disentangling real space fluctuations: the diagnostics of metal-insulator transitions beyond single-particle spectral functions
Michael Meixner, Marcel Krämer, Nils Wentzell +4
The destruction of metallicity due to the mutual Coulomb interaction of quasiparticles gives rise to fascinating phenomena of solid state physics such as the Mott metal-insulator t…
Competing phases in kagome magnet FeGe from functional renormalization
Pietro M. Bonetti, Yi Jiang, Haoyu Hu +4
The discovery of a charge density wave in FeGe extends the discussion of the nature of charge order in kagome metals to a magnetic compound. Motivated by this observation, we combi…
Single-boson exchange formulation of the Schwinger-Dyson equation and its application to the functional renormalization group
Miriam Patricolo, Marcel Gievers, Kilian Fraboulet +6
We extend the recently introduced single-boson exchange formulation to the computation of the self-energy from the Schwinger--Dyson equation (SDE). In particular, we derive its exp…
Approximate symmetries, insulators, and superconductivity in continuum-model description of twisted WSe
Maine Christos, Pietro M. Bonetti, Mathias S. Scheurer
Motivated by the recent discovery of superconductivity in twisted bilayer WSe, we analyze the correlated physics in this system in the framework of a continuum model for the mo…
Quantum oscillations in the hole-doped cuprates and the confinement of spinons
Pietro M. Bonetti, Maine Christos, Subir Sachdev
A long standing problem in the study of the under-hole-doped cuprates has been the description of the Fermi surfaces underlying the high magnetic field quantum oscillations, and th…
Ferrimagnetism of ultracold fermions in a multi-band Hubbard system
Martin Lebrat, Anant Kale, Lev Haldar Kendrick +6
Strongly correlated materials feature multiple electronic orbitals which are crucial to accurately understand their many-body properties, from cuprate materials to twisted bilayer…
Spiral to stripe transition in the two-dimensional Hubbard model
Robin Scholle, Walter Metzner, Demetrio Vilardi +1
We obtain an almost complete understanding of the mean-field phase diagram of the two-dimensional Hubbard model on a square lattice with a sizable next-nearest neighbor hopping and…